bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: New Route to Z‐Allylic Sulfides via a 10‐Membered Thiolcarbonate.
Authors: HARUSAWA S. , KUROKAWA T. , FUJII H. , YONEDA R. , KURIHARA T.
Published: May 2016

Treatment of the unsaturated hydroxyalkyl thiocarbonate (I) with a base results in the intramolecular cyclization, forming the thiolcarbonate (II) which is cleaved to yield the allylic thiol (III).
ChemInform Abstract: Stereoselective Cyclopropanation with Vinylcarbenoids.
Authors: DAVIES H. M. L. , CLARK T. J. , CHURCH L. A.
Published: May 2016

Coupling of the diazo diester (II) with the terminal olefines (I) in the presence of a Rh catalyst forms the cyclopropanes (III) and (IV) with predominance of the diastereomers (III).
ChemInform Abstract: Utilization of “Bis(triphenylphosphine)palladium” as Catalyst in the Cross Coupling Reaction of Terminal Acetylenes with Alkenyl Halides.
Authors: CAMPS F. , CHAMORRO E. , GASOL V. , GUERRERO A.
Published: May 2016

The key step in the synthesis of enynes such as Z‐(VIII) and Z‐(X) is the Pd(0)‐initiated coupling of the Z‐haloalkene (VI) with terminal alkynes such as (VII).
ChemInform Abstract: Reactions of Azo and Azoxy Sulfones with Transition Metal Complexes. Part 5. Reactions of Arylazo Aryl Sulfones with α,β‐Unsaturated Esters and Ketones Catalyzed by a Palladium(0) Complex.
Authors: KAMIGATA N. , SATOH A. , YOSHIDA M.
Published: May 2016

Palladium‐catalyzed reaction of the arylazo aryl sulfones (I) with the acrylates (II) yields the arylated acrylates (III) as the main products.
ChemInform Abstract: Bromoalkylamines and NaOBr in the Synthesis of Diaziridines.
Authors: KUZNETSOV V. V. , MAKHOVA N. N. , KHMEL'NITSKII L. I.
Published: May 2016

The primary amines (I) are treated with aqueous formaldehyde (II) and sodium hypobromite generated in situ, yielding the 1,2‐disubstituted diaziridines (III).
ChemInform Abstract: Novel Heteroquinoid Electron Acceptors. Synthesis of 2,5‐Bis(cyanoimino)‐2,5‐dihydrothieno(3,2‐b)thiophenes (DCNTTs) and Conductive Charge‐Transfer Complexes.
Authors: GUENTHER E. + , HUENIG S. + , PETERS K. , RIEDER H. , VON SCHNERING H. G. , VON SCHUETZ J.‐U. + , SOEDERHOLM S. + , WERNER H.‐P. , WOLF H. C.
Published: May 2016

The heteroquinoid (IIIa) forms 1:1 complexes with tetrathiafulvalene (TTF) and tetramethyltetraselenafulvalene which show appreciable single‐crystal conductivities.
ChemInform Abstract: Pyridinium N‐Phenoxide Betaines and Their Application for the Characterization of Solvent Polarities. Part 14. Attempted Synthesis of a Chiro‐Solvatochromic Pyridinium N‐Phenoxide Betaine Dye.
Authors: REICHARDT C. , WILK M.
Published: May 2016

With regard to the well known standard betaine dye (VIII) (which is solvato‐, thermo‐, piezo‐, and halochromic) it is suggested that a related but chiral dye might be chiro‐solvatochromic as well, i.e., that its absorption band is shifted in opposite directions by a chiral (R)‐ vs.
ChemInform Abstract: Imidazole Derivatives. Part 3. Regiospecific Synthesis, Structure, and Fluorescence Properties of Highly Substituted Imidazo(1,2‐a)pyridines and Pyrido(1,2‐a)benzimidazoles.
Authors: KNOELKER H.‐J. + , BOESE R. , HITZEMANN R.
Published: May 2016

1‐(Arylacetyl)imidazoles such as (I) react with acetylenedicarboxylates such as (II) to give the imidazo(1,2‐a)pyridines (III); a strong effect on the yield is observed for electron‐donating and electron‐withdrawing substituents in the para‐position of the aryl ring (X‐ray analysis of (IIIa): space group P21/c, Z=4).
ChemInform Abstract: Synthesis of Benzo(a)furo(2,3‐g)quinolizines from 2‐Methyl‐2‐cinnamoyloxirane.
Authors: PSHENICHNYI G. V. , CHAKHOVSKII A. I. , MELENTOVICH L. A. , ZAKHAREVSKII A. S. , MASHENKOV V. A. , STANISHEVSKII L. S.
Published: May 2016

Reaction of the oxirane (I) with allylamine (II) gives the stereoisomeric piperidones (III) or (VII) depending on the reaction conditions.
ChemInform Abstract: Heterocyclic Quinones. Part 16. Pharmacomodulation in the Series of 11H‐Indolo(3,2‐c)quinolinediones: Synthesis, Cytotoxicity, and Antitumor Activity of 3‐Substituted 11H‐Pyrido(3′,4′:4,5)pyrrolo(3,2‐c)quinoline‐1,4‐diones.
Authors: HELISSEY P. , GIORGI‐RENAULT S. , RENAULT J. , CROS S.
Published: May 2016

The hydrazones (III), prepared from the hydrazinoquinolines (I) and the 4‐piperidones (II), undergo cyclization reaction upon heating to form the tetrahydropyridopyrroloquinolines (IV).
ChemInform Abstract: Reaction of 6‐Aryl‐2,2‐dimethyl‐1,3‐dioxin‐4‐ones with Cyano Amino Compounds.
Authors: ANDREICHIKOV YU. S. , NEKRASOV D. D. , RUDENKO M. A. , VINOKUROVA O. V.
Published: May 2016

The dioxinones (I) are coupled with the N‐cyano compounds (II) or (IV) to give the oxazinones (III) or (V).
ChemInform Abstract: N‐(3‐Nitro(Amino)coumarin‐4‐yl)anthranilic Amides. Synthesis of 6,7,8,13‐Tetrahydro(1)benzopyrano(4,3‐b)(1,4)benzodiazepine‐6,8‐dione.
Authors: SAVEL'EV V. L. , ARTAMONOVA O. S. , MAKAROV A. V. , TROITSKAYA V. S. , ANTONOVA A. V. , VINOKUROV V. G.
Published: May 2016

Reaction of the chloronitrocoumarin (I) with anthranilic acid (II) produces the carboxyphenylamino derivative (III) which is transformed into the amides (V) via its acid chloride.
ChemInform Abstract: Potential Antidepressants. Synthesis of 6,11‐Dihydrodibenzo(b,e)thiepin‐11‐yl (Dimethylaminomethyl)phenyl Ethers, Sulfides, Amines and Some Related Compounds.
Authors: SINDELAR K. , VALENTA V. , HOLUBEK J. , MATOUSOVA O. , PROTIVA M.
Published: May 2016

The title compounds (III), (V), (VII), (IX) and (XI) are screened in vitro and in vivo for their ataxic, antireserpine and antihistaminic activities, for their affinities to the imipramine and desipramine binding sites in the hypothalamus of the rat brain and for their antimicrobial activities.
ChemInform Abstract: Synthesis of a New Unsaturated 16‐Membered Heterocycle with Alternating CC and NS Building Blocks.
Authors: SUNDERMEYER J. , ROESKY H. W. , NOLTEMEYER M.
Published: May 2016

The reaction of the bis(sulfenyl chloride) (I) with the benzildiimine (VI) yields the title compound (III) instead of the expected 8‐membered ring system (IV).
ChemInform Abstract: Pentaalkyl Derivatives of the 2,3‐Dihydro‐1,3‐diborole.
Authors: KNOERZER G. + , SIEBERT W.
Published: May 2016

The route to 2,3‐dihydro‐1,3‐diboroles, substituted in position 2, involves a double hydroboration of alkynes.
ChemInform Abstract: Tetrasilylmethane, C(SiH3)4, the Si/C‐Inverse of Tetramethylsilane, Si(CH3)4.
Authors: HAGER R. , STEIGELMANN O. , MUELLER G. + , SCHMIDBAUR H. , ROBERTSON H. E. , RANKIN D. W. H.
Published: May 2016

Better precursors are required for plasma‐enhanced chemical vapor deposition of amorphous silicon or silicon carbide in order to prepare solar cells and optoelectronic materials.
ChemInform Abstract: Unusually‐Coordinated Phosphorus Compounds. Part 39. Phosphatriafulvenes ‐ Phosphaalkenes with Inverse Electron Density.
Authors: FUCHS E. P. O. , HEYDT H. , REGITZ M. , SCHOELLER W. , BUSCH T.
Published: May 2016

The cyclopropanone (I) reacts with the lithium phosphides (II) to give the ylides (III).
ChemInform Abstract: An Improved Synthesis of the 5‐Deoxy‐5‐(hydroxyphosphinyl)‐D‐glucopyranones, and Crystal Structures of 1,2,3,4,6‐Penta‐O‐acetyl‐5‐deoxy‐5‐((R)‐methoxyphosphinyl)‐β‐D‐glucopyrano# se and Its 5‐((R)‐Ethylphosphinyl) Congener.
Authors: RICHTER T. , LUGER P. , HANAYA T. , YAMAMOTO H.
Published: May 2016

The glucofuranose (I) is transformed into the tetrahydropyranyl ether (III) which is reduced and subsequently subjected to ring enlargement to give the phosphorinane (IV).
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition‐Metals. Part 75. Alkyltechnetium Oxides: First Examples and Reactions.
Authors: HERRMANN W. A. , ALBERTO R. , KIPROF P. , BAUMGAERTNER F. +
Published: May 2016

Treatment of Tc2O7 with SnMe4 gives, besides (III) and (IV), on heating reduced products, especially the paramagnetic Tc(VI) complex (V) (Pn, Z=2).
ChemInform Abstract: A Carbonyliron Complex of an Amino‐9‐fluorenylideneborane with Coordination to a Borabutadiene Unit.
Authors: CHANNAREDDY S. , LINTI G. , NOETH H. +
Published: May 2016

In (III) (P1, Z=2) the metal complex fragment is η4‐bonded to a cis‐borabutadiene unit, thereby strongly perturbing the aromaticity of one benzene ring.
ChemInform Abstract: Stereochemistry of Directed Lithiation of 1,1′‐Bis(methoxymethyl)ferrocene.
Authors: PETTER R. C. , MILBERG C. I.
Published: May 2016

The bis(methoxymethyl)ferrocene (I) is deprotonated with tert‐butyllithium and then treated with ethyl chloroformate (II) to give the disubstituted isomers (III) and (IV), together with the monocarboxylate (V).
ChemInform Abstract: Bis(1,4,7‐trithiacyclononane)gold Dication: A Paramagnetic, Mononuclear Au(II) Complex.
Authors: BLAKE A. J. , GREIG J. A. , HOLDER A. J. , HYDE T. I. , TAYLOR A. , SCHROEDER M. +
Published: May 2016

The title complex (III) crystallizes in Pbca with Z=4.
ChemInform Abstract: The Synthesis and Characterization of a Homologous Series of Cyclopentadienyl Diruthenium Alkanediyl Complexes (CpRu(CO)2)2(μ‐(CH2)n) (where n = 5‐10): The Crystal Structure of (CpRu(CO)2)2(μ‐(CH2)5).
Authors: FINCH K. P. , MOSS J. R. , NIVEN M. L.
Published: May 2016

(III) crystallizes in P1 with Z=2.
ChemInform Abstract: Reactivity of the Molecular Hydrogen Complex (IrH4(PMe2Ph)3)BF4 Toward Olefins. The Origin of Stereochemical Rigidity of M(PR3)3(olefin)2 Species.
Authors: LUNDQUIST E. G. , FOLTING K. , STREIB W. E. , HUFFMAN J. C. , EISENSTEIN O. , CAULTON K. G.
Published: May 2016

Stoichiometric protonation of (I) leads to the formation of (II) which is shown to contain intact H2, but also serves as a ready source of the unsaturated hydride transient (IrH2(PMe2Ph)3)+.
ChemInform Abstract: Synthetic Studies on the Sesquiterpenoids in Nature: ar‐Turmerone, α‐Curcumene, Nuciferal.
Authors: LEE W. Y. , LEE J. B. , JANG S. Y. , PARK O. S.
Published: May 2016

A new synthetic procedure is developed which allows the successive transformation of ar‐turmerone (IV) to α‐curcumene (V) and nuciferal (IX).
ChemInform Abstract: Utilization of Sugars in Organic Synthesis. Part 21. Regioselective Monooxidation of Non‐Protected Carbohydrates by Brominolysis of the Tin Intermediates.
Authors: TSUDA Y. , HANAJIMA M. , MATSUHIRA N. , OKUNO Y. , KANEMITSU K.
Published: May 2016

Consecutive treatment of the glycosides (I) and 1,2‐O‐isopropylidene‐α‐D‐glucofuranose (IV) with bis(tributylstannyl) oxide and bromine results in the formation of the oxo derivatives (II) and (V).
ChemInform Abstract: Studies of Substituent Effect in the Formation of Benzonitrile Oxides and 1,3‐Dipolar Adducts of the Benzonitrile Oxides with 2,3,4,6‐Tetra‐O‐acetyl‐1‐thio‐β‐D‐glucopyranose.
Authors: SAITO S. , UZAWA H. , NAGATSUGI F.
Published: May 2016

The nitrile oxides, generated in situ from the aldoximes (I) by chlorination with chlorine and subsequent dehydrochlorination with triethylamine, undergo coupling reaction with the tetra‐O‐acetylthioglucopyranose (II) to produce the 1,3‐adducts (III).
ChemInform Abstract: Reduction of Ilmenite in the Presence of Sulfur.
Authors: LI C. , MERRITT R. R.
Published: May 2016

The direct‐reduction process for upgrading ilmenite is studied in view of the consequences of reduction temp., reduction time, and oxygen fugacity for the grade of the resulting synthetic rutile.
ChemInform Abstract: Crystal Chemistry of cyclo‐Hexaphosphates. Part 6. Structure of Ammonium cyclo‐Hexaphosphate Tellurate Dihydrate.
Authors: AVERBUCH‐POUCHOT M. T. , DURIF A.
Published: May 2016

Single crystals of (NH4)6P6O18·Te(OH)6·2 H2O (I), the first example of a cyclo‐hexaphosphate‐tellurate are prepared by slow evaporation of an aqueous solution of telluric acid and ammonium cyclo‐hexaphosphate.
ChemInform Abstract: Structural Phase Transitions in Chevrel Phases Containing Divalent Metal Cations. Part 2. Structure Refinement of Triclinic EuMo6S8 and BaMo6S8 at Low Temperature.
Authors: KUBEL F. , YVON K.
Published: May 2016

The low temp. structures of EuMo6S8 (I) and BaMo6S8 (II) are determined at 40 K and 173 K, respectively.
ChemInform Abstract: Potassium Dioxonium Hexafluoroaluminate.
Authors: FRENZEN G. , MASSA W.
Published: May 2016

The title compound precipitates after addition of KF to a 38% HF solution containing dissolved aluminum.
ChemInform Abstract: β‐Chromium Plating from a Chromic Acid Electrolyte Containing Formic Acid.
Authors: TSAI R.‐Y. , WU S.‐T.
Published: May 2016

A formic acid solution (85%) containing chromic acid and sulfuric acid is used for the electrodeposition of β‐Cr.
ChemInform Abstract: Kinetics of Oxygen Gas Evolution on Hydrous Rhodium Oxide Films.
Authors: O'SULLIVAN E. J. M. , BURKE L. D.
Published: May 2016

It is found that the presence of a thick, hydrous oxide film on a Rh electrode, prepared by repetitive potential cycling, increases the oxygen evolution rate in NaOH solution by up to three orders of magnitude.
ChemInform Abstract: In situ Photocalorimetry Using Pyroelectric Detection at Semiconductor Thin‐Film Electrodes. Photoanodic Oxidation of Chloride Ions at a Passive Film on Titanium in Acidic Solution.
Authors: RAPPICH J. , SCHAAF N.‐S. , DOHRMANN J. K.
Published: May 2016

A new device for in situ photocalorimetric measurements at illuminated semiconductor electrodes employing a pyroelectric sensor (KYNAR piezo film) is compared to a photoacoustic detector (microphone) previously used for such measurements.
ChemInform Abstract: On the Properties of Silica‐Supported Bimetallic Fe‐Cu Catalysts. Part 1. Preparation and Characterization.
Authors: WIELERS A. F. H. , HOP C. E. C. A. , VAN BEIJNUM J. , VAN DER KRAAN A. M. , GEUS J. W.
Published: May 2016

The preparation process for the Fe‐Cu/SiO2 bimetallic catalysts involves the initial deposition of copper as copper hydrosilicate and subsequent deposition of Fe(III) as goethite (α‐FeOOH).
ChemInform Abstract: Solid Solutions of Calcium‐Copper‐Zinc Hydroxylapatites: Preparation and IR and Lattice Constant Measurements.
Authors: PANDA A. , PATEL P. N. , TRIPATHY N. K.
Published: May 2016

Homogeneous solid solutions of hydroxylapatites Ca10‐(m+n)CumZnn(PO4)6(OH)2 with a fixed value of m = 1 are synthesized over the entire composition range using a new coprecipitation technique starting from aqueous NH4H2PO4 solution and solutions containing Ca‐, Cu‐, or Zn‐nitrate.
ChemInform Abstract: Structural and Magnetic Characterization of α‐ and β‐4,4′‐(Butadiyne‐1,4‐diyl)bis(2,2,6,6‐tetramethyl‐4‐hydroxypiperidin‐1‐ox# yl) and Characterization of Its Thermal Degradation Product.
Authors: MILLER J. S. , GLATZHOFER D. T. , LAVERSANNE R. , BRILL T. B. , TIMKEN M. D. , O'CONNOR C. J. , ZHANG J. H. , CALABRESE J. C. , EPSTEIN A. J. , CHITTIPEDDI S. , VACA P.
Published: May 2016

A new polymorph of the title compound (I) is prepared by oxidation of the corresponding bis(piperidine) with H2O2 and a Na2WO4/tetrasodium ethylenediaminetetraacetate catalyst.
ChemInform Abstract: The Structure of (7,8‐C2B9H12)‐; Correction of a Popular Misconception.
Authors: BUCHANAN J. , HAMILTON E. J. M. , REED D. , WELCH A. J.
Published: May 2016

It is shown by NMR spectroscopy and X‐ray crystallographic study of (H(DMSO)2)(C2B9H12) (space group P21/n, Z=4) that the title ion contains an endo‐H‐atom bonded to B(10) and not, as generally thought, a B‐H‐B bridge.
ChemInform Abstract: Photocycloaddition of Benzaldehyde to Cyclic Olefins: Electronic Control of Endo Stereoselectivity.
Authors: GRIESBECK A. G. , STADTMUELLER S. +
Published: May 2016

Compared with the reaction of cycloalkenes such as (I) the rate and the diastereoselectivity of the photocycloaddition of (VII) increase.
ChemInform Abstract: Laser Flash Photolysis Studies of Carbocations Generated from (Naphthylmethyl)phosphonium Chlorides.
Authors: ALONSO E. O. , JOHNSTON L. J. , SCAIANO J. C. , TOSCANO V. G.
Published: May 2016

Laser excitation (308 nm) of (I) in either N2‐ or O2‐purged 2,2,2‐trifluoroethanol or MeCN generates a strongly absorbing species with λmax at 500 nm and with a second small band at ca. 360 nm (lifetime ca. 2.5 μs in MeCN, 105 ns in MeOH) which is supposed to be a cation.
ChemInform Abstract: Fast Interannular Proton Transfer in Gaseous Protonated α,ω‐Diphenylalkanes: Stereocontrol by the Cyclohexane‐1,4‐diyl Unit.
Authors: KUCK D. , THOELMANN D. + , GRUETZMACHER H.‐F. +
Published: May 2016

The fast ring‐to‐ring proton transfer in protonated (I)·H+ and (II)·H+ is studied by chemical ionization MS.
ChemInform Abstract: Catalytic Decomposition of Hexafluoroisopropylpentafluoroethyldiazomethane.
Authors: BARGAMOVA M. D. , GERMAN L. S.
Published: May 2016

Decomposition of the title compound (I) in the presence of catalytic or molar amounts of NEt3 produces 3H‐perfluoro‐2‐methyl‐2‐pentene (II).
ChemInform Abstract: Some New Transformations of Cyclopropylacetylene Catalyzed by Rhodium, Palladium, and Cobalt Complexes.
Authors: DZHEMILEV U. M. , KHUSNUTDINOV R. I. , SHCHADNEVA N. A. , NEFEDOV O. M. , TOLSTIKOV G. A.
Published: May 2016

Depending on the catalyst used, cyclopropylacetylene (I) is dimerized or trimerized, producing the dicyclopropylbutenyne (II), the tricyclopropylfulvene (III), or the tricyclopropylbenzenes (VI) and (VII).
ChemInform Abstract: Tandem Ruthenium‐Catalyzed Epoxide Rearrangement/Oxidation of Bicyclic (2.2.1)Heptane Epoxides.
Authors: TENAGLIA A. , TERRANOVA E. , WAEGELL B.
Published: May 2016

Oxidation of the norbornene oxides (I) with ruthenium tetroxide generated in situ results in cleavage and rearrangement, yielding the bicyclo(2.2.1)heptane‐2,7‐diones (III).
ChemInform Abstract: Ortho‐Methylation of Phenols with Ethyl(iodomethyl)zinc.
Authors: LEHNERT E. K. , SAWYER J. S. , MACDONALD T. L.
Published: May 2016

The title reagent, generated from methylene iodide (II) and diethyl zinc, is added to the phenols (I) to produce the ortho‐methylated derivatives (IIIa) ‐ (IIId).
ChemInform Abstract: A Convenient Preparation of Aminomethyl Aryl Ketones and Their Derivatives.
Authors: HAN Y.‐L. , HU H.‐W.
Published: May 2016

The phenacyl bromides (I) react with sodium bisformylamide (II), forming the substitution products (III), (IV), or (V), depending on the reaction conditions.
ChemInform Abstract: Intramolecular Arylation of Soft Carbon Centre or Enolate Using Mn(III) Acetate: Studies Toward Spirostructure of Fredericamycin A.
Authors: AIDHEN I. S. , NARASIMHAN N. S.
Published: May 2016

The triphenylphosphonium ylid generated from the phthalide (I) reacts with the aldehydes (II) to give the arylpropylidene derivatives (III) which are rearranged upon treatment with lithium ethoxide to form the diones (IV).
ChemInform Abstract: Lactone Synthesis by Mn(III)‐Mediated Oxidative Cyclization of Allylic β‐Diesters.
Authors: OUMAR‐MAHAMAT H. , MOUSTROU C. , SURZUR J.‐M. , BERTRAND M. P.
Published: May 2016

Treatment of the allyl malonates (I) with Mn(III) and Cu(II) acetate hydrate results in cyclization to produce the oxabicyclo(3.1.0)hexanecarboxylates (II).
ChemInform Abstract: Generation of Synthetic Equivalents of RCH(Li)NH2 for the Synthesis of Primary Amines. Tin‐Lithium Exchange on Carbamate‐Protected (α‐Aminoalkyl)stannanes.
Authors: PEARSON W. H. , LINDBECK A. C.
Published: May 2016

The carbamates (I) are coupled with the α‐iodoalkylstannanes (II) to produce the stannyl derivatives (III).
ChemInform Abstract: Ring Transformations via Bridged 1,3‐Dicarbonyl Heteroanalogs. Part 2. Synthesis of 4‐(ω‐Aminoalkyl)thiazoles by a Novel Ring Transformation Reaction of Semicyclic Thioacylamidines with Acidic Methyl Halides.
Authors: LIEBSCHER J. , PAETZEL M. + , BECHSTEIN U.
Published: May 2016

The semicyclic thioacylamidines (I) react with the activated haloalkanes (II) via S‐alkylation and rearrangement to give the 4‐(aminoalkyl)thiazoles (IV).
ChemInform Abstract: Synthesis and X‐Ray Structural Study of 2‐Amino‐4‐cyanomethylene‐5,5‐dimethylthiazoline.
Authors: ABRAMOVA N. D. , ANDRIYANKOVA L. V. , MAL'KINA A. G. , BEL'SKII V. K. , KOSITSYNA E. I. , SKVORTSOV YU. M.
Published: May 2016

Reaction of thiourea (I) and the cyanoacetylenic carbinol (II) in the presence of triethylamine produces the title compound (III) and the furanone (IV).
ChemInform Abstract: Synthesis of 1,2,4‐Triazole and 1,3,4‐Thiadiazole Derivatives from Methyl 2‐Methyldithiocarbazate and Heterocumulenes.
Authors: MOLINA P. , TARRAGA A. , ESPINOSA A.
Published: May 2016

Reaction of the dithiocarbazate (II) with the diarylcarbodiimides (I) yields the 3‐arylaminodihydro‐1,2,4‐triazole‐5‐thiones (III).
ChemInform Abstract: The Reaction of α‐Chloro Carbenium Salts with Nitriles: Formation of Chloro‐Substituted 2‐Azoniaallene Salts.
Authors: JOCHIMS J. C. , HAMED A. , TRAN HUU PHUOC TRAN HUU PHUOC , HOFMANN J. , FISCHER H.
Published: May 2016

Reaction of α‐chloro carbenium salts, generated from the dichlorides (I) and antimony pentachloride (II), with the benzonitriles (III) or dimethylcyanamide (V) yields the chloro‐substituted 2‐azoniaallene salts (IV) or (VI).
ChemInform Abstract: Concave Reagents. Part 3. Synthesis, Basicity, and Conformation of New Concave Pyridines.
Authors: LUENING U. + , BAUMSTARK R. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Eight new bimacrocyclic concave pyridines such as (VI) (space group P1, Z=2) and six monomacrocyclic and open‐chain analogues such as (VII) or (VIII) are prepared as shown for (VI).
ChemInform Abstract: Competing (2 + 3) and (4 + 3)Cycloadditions of C,N‐Diphenylnitrone with 1,3‐Dienes. Evidence for Thermally Nonequilibrated Intermediates.
Authors: BARAN J. , MAYR H.
Published: May 2016

Dipolar cycloaddition reaction of the 1,3‐dienes (I) with C,N‐diphenylnitrone (II) forms the O,N‐heterocycles (III) ‐ (VI), together with the pyridone (VIId) and the pyridinium hydroxide (VIIId).
ChemInform Abstract: The First Monomeric Diorgano(pyrazolyl)borane: A Non‐Classical Boronium Ion in Solution?
Authors: YALPANI M. , KOESTER R. + , BOESE R. , BRETT W. A.
Published: May 2016

The rigid molecule (I) reacts with the sterically crowded pyrazoles (II) to give the monomeric species (III).
ChemInform Abstract: Diazo Compounds. Part 71. (4 + 2) Cycloadditions of Phosphinodiazoalkanes. Synthesis of 1,2,4‐Diaza‐λ5‐phosphinines.
Authors: FACKLAM T. , WAGNER O. , HEYDT H. , REGITZ M.
Published: May 2016

The phosphinodiazoalkanes (II) react with the electron‐poor alkynes (I) via a (4 + 2) cycloaddition process to give the diaza‐λ5‐phosphinines (III).
ChemInform Abstract: An N/P‐Analogue of Cyclotetraphosphazene: Reactions and Structure of Octaphenyl‐1,5,2λ5,3,4λ5,6λ5,7,8λ5‐diazahexaphospho# cin and Its PdCl2‐Complex.
Authors: SCHMIDPETER A. , STEINMUELLER F. + , SHELDRICK W. S.
Published: May 2016

The eight‐membered title heterocycle (III) is selectively methylated at the two‐coordinate phosphorus.
ChemInform Abstract: Aluminum Citrate: Isolation and Structural Characterization of a Stable Trinuclear Complex.
Authors: FENG T. L. , GURIAN P. L. , HEALY M. D. , BARRON A. R.
Published: May 2016

The polynuclear aluminum citrate complex (III), obtained from aqueous solution, is characterized by 1H, 13C, and 27Al NMR spectroscopy and X‐ray crystallography (space group P21/a, Z=4).
ChemInform Abstract: The Ammonium Salt Route to Lanthanum Salt Complexes: Synthesis and X‐Ray Analysis of La(NCS)3·4 HMPA.
Authors: BARR D. , BROOKER A. T. , DOYLE M. J. , DRAKE S. R. , RAITHBY P. R. , SNAITH R. , WRIGHT D. S.
Published: May 2016

(IV) crystallizes in P21/n with Z=4.
ChemInform Abstract: Soluble and Volatile Alkoxides of Bismuth. The First Structurally Characterized Bismuth Trialkoxide: (Bi(.mu±eta.1‐OCH2CH2OMe)2(η1‐OCH2CH2OMe))∞.
Authors: MATCHETT M. A. , CHIANG M. Y. , BUHRO W. E.
Published: May 2016

In a search to use bismuth alkoxides as potential precursors for the synthesis of bismuth‐containing superconductors, the trialkoxides (III) are prepared by alcoholysis.
ChemInform Abstract: Chemistry of Unprotected Sugars. Part 2. Selective Addition Reactions of D‐Glucose, D‐Galactose and D‐Glycosylamines to Heterocumulenes.
Authors: PLUSQUELLEC D. , ROULLEAU F. , LEFEUVRE M. , BROWN E.
Published: May 2016

The title reactions lead to carbamates, e.g. (III), and to ureas and thioureas such as (VII).
ChemInform Abstract: Design and Characterization of a Thermally Stable Ohmic Contact Metallization on n‐GaAs.
Authors: GUPTA R. P. , KHOKLE W. S. , WUERFL J. , HARTNAGEL H. L.
Published: May 2016

A Ge‐WSi2‐Au multilayered structure is developed as ohmic contact for n‐GaAs.
ChemInform Abstract: Current Aspects of Chemical Kinetics
Authors: BAUER S. H.
Published: May 2016

Review: (84 refs.
ChemInform Abstract: Crystal Structure of Na4OBr2.
Authors: HIPPLER K. , SITTA S. , VOGT P. , SABROWSKY H.
Published: May 2016

Single crystals of the title compound are prepared by annealing an intimate mixture of Na2O and NaBr at 833 K for 4 weeks (Ag‐crucible).
ChemInform Abstract: The IR Spectra of Amorphous Oxides,
Authors: STEGER W. E. , LANDMESSER H. , BOETTCHER U. , SCHUBERT E.
Published: May 2016

Cr2O3, V2O5, MnO2, and PbO2, are compared to those obtained from crystal modifications.
ChemInform Abstract: Electrical Conduction in Some γ‐Irradiated and Unirradiated Metal‐Zinc Ferrites.
Authors: MOUSA M. A. , SUMMAN A. M. , AHMED M. A.
Published: May 2016

The temp.‐dependent conductivity data of γ‐irradiated and unirradiated mixed metal‐zinc ferrites (Zn02+.9Fe03+.1)tet (M02+.1Fe13+.9)octO42‐ with M: Mn, Co, Ni, or Cu can be explained by charge transfer between the octahedral electrons by hopping of localized d‐electrons, whereas the conduction in ZnFe2O4 and the ferrite with M: Mg is interpreted on the basis of transfer of charge carriers through the cation vacancies present in octahedral sites.
ChemInform Abstract: Order‐Disorder Transitions in Pd:Cex Alloys at High Hydrostatic Pressures.
Authors: BEALES T. P. , PRESLAND A. H. , DOYLE M. , HARRIS I. R. , JONES D. W.
Published: May 2016

Electrical resistivity measurements are carried out on Pd‐Ce alloys containing 8, 10, and 12.5 % Ce over a wide temp. and pressure range.
ChemInform Abstract: Catalytic Dehydrosilylation of 1‐Trimethylsilyloxycyclopent‐1‐ene into Cyclopent‐2‐enone with Oxygen Over Palladium Supported on Silica.
Authors: BABA T. , NAKANO K. , NISHIYAMA S. , TSURUYA S. , MASAI M.
Published: May 2016

Dehydrosilylation of 1‐trimethylsilyloxycyclopent‐1‐ene (I) is achieved by treatment with oxygen in the presence of Pd(0) to produce a mixture of cyclopent‐2‐enone (II) and cyclopentanone (III).
ChemInform Abstract: Heteroatom‐Directed π‐Facial Diastereoselection in Diels‐Alder Cycloadditions of Plane‐Nonsymmetric Cyclopentadienes.
Authors: MACAULAY J. B. , FALLIS A. G.
Published: May 2016

The synthesis and (4 + 2) Diels‐Alder cycloadditions are reported for a series of pentamethylcyclopentadienes such as (I) bearing stereogenic C‐5 heteroatom substituents.
ChemInform Abstract: N‐Substituted Hydroxysuccinimides from (S)‐Malic Acid as New Reagents for Asymmetric Diels‐Alder Additions to Enoates.
Authors: POLL T. , ABDEL HADY A. F. , KARGE R. , LINZ G. , WEETMAN J. , HELMCHEN G.
Published: May 2016

(S)‐Malic acid (I) is cyclized with methylamine (II) to form the N‐methylhydroxysuccinimide (III) which is esterified to produce the acrylates (V).
ChemInform Abstract: Palladium‐Catalyzed Intramolecular Asymmetric Ene Reactions of Chiral Allylic Sulfones via Chiral Allylic Sulfinate‐Sulfone Rearrangements.
Authors: HIROI K. , KURIHARA Y.
Published: May 2016

The acetoxy dienols (II) are coupled with the optically active sulfinamide (I) to produce the chiral sulfinates (III) which undergo rearrangement upon heating in N,N‐dimethylformamide, yielding the chiral allylic sulfones (IV).
ChemInform Abstract: Photochemistry of Dinuclear Osmium Carbonyl Complexes; Characterization of Os2(CO)8 Using Matrix Isolation.
Authors: HAYNES A. , POLIAKOFF M. , TURNER J. J. , BENDER B. R. , NORTON J. R.
Published: May 2016

UV photolysis of (I) and (II) isolated in argon matrices causes ejection of a CO or CH2=CH2 ligand, respectively, and formation of Os2(CO)8, which has a structure with only terminal CO groups.
ChemInform Abstract: Rhodium Carbonyl Catalyzed Carbonylation of Unsaturated Compounds. Part 4. Carbonylation and Oligomerization of Diphenylacetylene Catalyzed by Co4(CO)12, Rh4(CO)12, and Ir4(CO)12 Under Pressure of Carbon Monoxide.
Authors: HONG P. , MISE T. , YAMAZAKI H.
Published: May 2016

The title reaction leads to the hydrocarbonylation products (III) and (IV) and the oligomers (V) and (VI).
ChemInform Abstract: Reactions of Some 3‐Methylcyclohexenones with Dimethylformamide Dimethyl Acetal.
Authors: KASUM B. , PRAGER R. H.
Published: May 2016

The title reactions, i.e. treatment of (I), (IV), (VI) and (IX) with (II), are carried out with a view to gaining access to pyrroloazepinones of type (XIV), required for the synthesis of some marine natural products.
ChemInform Abstract: Protective Group Tuning in the Stereoselective Conversion of α‐Amino Aldehydes into Aminoalkyl Epoxides.
Authors: REETZ M. T. , BINDER J.
Published: May 2016

The α‐amino aldehydes (I) are coupled with the sulfonium methylide generated from (II) to give the isomeric epoxides (III) and (IV) with predominance of the former.
ChemInform Abstract: Synthesis of Optically Active β‐Lactams by the Photolytic Reaction of Imines with Optically Active Chromium Carbene Complexes.
Authors: HEGEDUS L. S. , IMWINKELRIED R. , ALARID‐SARGENT M. , DVORAK D. , SATOH Y.
Published: May 2016

Optically active chromium carbene complexes such as (I) utilizing an (R)‐phenylglycine‐derived chiral auxiliary are synthesized and subjected to photolytic reactions with a number of imines such as (II) to give the adducts (III) with high diastereoselectivities.
ChemInform Abstract: Conjugate Addition of Imidazolines: A Protocol for 1,4‐Addition to Enones and Other Acceptors.
Authors: JONES R. C. F. , HIRST S. C.
Published: May 2016

The methyleneimidazolidines (I) react with the electron‐deficient olefins (II) to give the adducts (III) which are hydrolyzed and decarboxylated to form the imidazolidines (IV).
ChemInform Abstract: Recyclization of 3‐Oxazoliopropanesulfonates into 2,5‐Dihydro‐1,2,4‐triazinio‐4‐propanesulfonates.
Authors: LIPNITSKII V. F. , SHVAIKA O. P.
Published: May 2016

The oxazolium betaines (III), prepared from the oxazoles (I) and the propane sultone (II), react with hydrazine hydrate (IV) to give the triazolium betaines (V).
ChemInform Abstract: gem‐Dicyano Epoxides, Synthetic Equivalents of Ketene Dications: Synthesis of 4‐Thiazolidinones from the Reaction with Substituted Thioureas and Special Evolution of 2‐(Aryl‐cyanoformylmethylene)benzoxazoles from the Reaction with 2‐Thioxobenzoxazole.
Authors: MAJCEN LE MARECHAL A. , ROBERT A. , LEBAN I.
Published: May 2016

The title thiazolidinones, e.g. (III), and the title methylenebenzoxazoles such as (V) are most likely formed via cyanoformyl intermediates.
ChemInform Abstract: Nucleophilic Attack of 2‐(4‐Oxoalkyl)‐2‐imidazolines: A Novel Route to Tetrahydropyridines and Piperidines.
Authors: JONES R. C. F. , HIRST S. C.
Published: May 2016

The oxoalkylimidazolines (III), prepared from the methyleneimidazolidine (I) and the enones (II), are rearranged upon hydrogenation to form the tetrahydropyridines (IV).
ChemInform Abstract: The Use of Novel Arenechromium Complexes to Achieve the Regiocontrolled Alkylation of 1,4‐Benzodioxins.
Authors: LEE T. V. , LEIGH A. J. , CHAPLEO C. B.
Published: May 2016

In contrast to the direct metalation of benzodioxin (I) generating the 2‐metalated derivatives, lithiation of the chromium complex (III), prepared from (I) and chromium hexacarbonyl (II), gives the 5‐lithio derivative (V).
ChemInform Abstract: NMR and X‐Ray Studies of Penta‐ and Hexaborane Alkyl Derivatives Involving (3.3.1) and (3.3.2) Ring Systems.
Authors: EDVENSON G. M. , GAINES D. F. , HARRIS H. A. , CAMPANA C. F.
Published: May 2016

The structure of the boron bridge substituted nido‐pentaborane (III) (space group P1, Z=4) reveals that the 9‐borabicyclononane fragment retains its chair‐chair conformation.
ChemInform Abstract: (1S),(5R),(8S)‐(+)‐8‐Phenyl‐2‐azabicyclo(3.3.0)octan‐8‐ol N,O‐Methylboronate and Its Enantiomer, Chiral Chemzymes which Serve as Catalysts for Their Own Enantioselective Synthesis.
Authors: COREY E. J. , CHEN C.‐P. , REICHARD G. A.
Published: May 2016

The amide (I) is reduced to from the amine (II) which undergoes brominative cyclization, yielding the fused pyrrolidine (III).
ChemInform Abstract: The First Preparation of an Unsymmetrical 1,3‐Diphosphaallene Carrying 2,4,6‐Tri‐tert‐butylphenyl and 2,4,6‐Tri‐tert‐pentylphenyl as Protecting Groups.
Authors: YOSHIFUJI M. , SASAKI S. , INAMOTO N.
Published: May 2016

Alkylation of benzene (I) with tert‐pentyl chloride (II) and subsequent bromination with bromine yield the tri‐tert‐pentylbromobenzene (IV) which is converted into the arylphosphonous dichloride (VI) by lithiation and reaction with phosphorus trichloride (V).
ChemInform Abstract: Synthesis and Characterization of Tetrasulfidomolybdenum(IV) Complexes of Hydrotris(3,5‐dimethyl‐1‐pyrazolyl)borate and the X‐Ray Crystal Structure of (HB(3,5‐Me2C3N2H)3)MoCl(S4)·0.5 Et2O.
Authors: YOUNG C. G. , MCINERNEY I. P. , BRUCK M. A. , ENEMARK J. H.
Published: May 2016

The reductive sulfurization of the compounds (I) results in formation of the intensely colored, monomeric, diamagnetic tetrasulfido complexes (III).
ChemInform Abstract: “Adamantanoid” Chelate Complexes. Part 2. Tetranuclear Chelate(4‐)‐Ions of Two‐Valent Metals (Mn, Co, Ni) with Idealized T‐Symmetry by Spontaneous Self‐Organization.
Authors: SAALFRANK R. W. , STARK A. , BREMER M. , HUMMEL H.‐U.
Published: May 2016

Treating the malonic acid diester (I) with MeLi, MCl2 (II) and oxalyl dichloride (III), and subsequent work up with aqueous NH4Cl solution leads to the tetranuclear chelate complexes (IV).
ChemInform Abstract: Syntheses and Structures of Methyl‐, Acetyl‐ and Allyl‐Ruthenium Carbidocarbonyl Clusters.
Authors: CHIHARA T. , AOKI K. , YAMAZAKI H.
Published: May 2016

Methylation of the dianionic Ru carbidocarbonyl cluster (I) proceeds with retention of the octahedral metal framework and gives the methyl cluster (IVa) (space group P21/n, Z=4).
ChemInform Abstract: Lewis‐Acid‐Induced Transformation of a Terminal Carbonyl Ligand: Synthesis and Structure of the Alkyne Cluster Analogue ((μ‐H)3Os3(CO)9(μ3,η2‐C(OBC8H14)B(Cl))).
Authors: WORKMAN D. P. , DENG H.‐B. , SHORE S. G.
Published: May 2016

The reaction of the B‐triosmium cluster (I) with an excess of the electrophilic 9‐bora‐bicyclo(3.3.1)nonane (II) gives the title cluster (III) (space group P1, Z=2).
ChemInform Abstract: Crystal Structure and Pyrolysis of ((Os(NH3)5)2(η2:η2‐μ‐C6H6))4+: Evidence for the Formation of a Stable η2:η6‐μ‐Arene Complex.
Authors: HARMAN W. D. , GEBHARD M. , TAUBE H.
Published: May 2016

The molecular structure determination of the complex (I) (space group C2/c, Z = 8) indicates that the osmium atoms lie on opposite faces of the arene in an 1,2:3,4‐η2 configuration.
ChemInform Abstract: Stereoselective Formation of the Dolastane Framework by a Biomimetic Transannular Cyclization of the (3E,7E)‐Dolabella‐3,7‐dienoid.
Authors: MATSUO A. , YOSHIDA K. , NAKAYAMA M.
Published: May 2016

The stereoselective cyclization is initiated by attack of bromine regio‐ and stereoselectively at the C‐3/C‐4 double bond of the major α,α conformer of (I).
ChemInform Abstract: Synthesis of Compounds Active Against HIV: Preparation of 6′‐Fluorocarbocyclic AZT (AZT = 3′‐Deoxy‐3′‐azidothymidine).
Authors: FLETCHER C. A. , HILPERT H. , MYERS P. L. , ROBERTS S. M. , STORER R.
Published: May 2016

Treatment of the tricyclic bromo ketone (I) with triethylamine trihydrofluoride results in rearrangement and fluorination to give the bicyclic dihalo ketone (II) which is converted into the aminocyclopentane (VIII) via the lactone (IV).
ChemInform Abstract: Oligomeric Flavanoids. Part 11. Structure and Synthesis of the First Phlobatannins Related to (4α,6:4α,8)‐Bis‐(‐)‐fisetinidol‐(+)‐catechin Profisetinidin Triflavanoids.
Authors: STEYNBERG J. P. , STEENKAMP J. A. , BURGER J. F. W. , YOUNG D. A. , FERREIRA D.
Published: May 2016

Several members of the unique class of natural phlobatannins such as (II) isolated from Guibourtia coleosperma and (III) from Colophospermum mopane are isolated and characterized.
ChemInform Abstract: Enzymatic Synthesis of Propargylic Amides.
Authors: REBOLLEDO F. , BRIEVA R. , GOTOR V.
Published: May 2016

Ethyl propiolate (I) is coupled with the primary arylamines (II) in the presence of a yeast lipase (Candica cylindracea) to form the arylamides (III).
ChemInform Abstract: Carotenoids and Polyterpenoids
Authors: BRITTON G.
Published: May 2016

Review: (705 refs.
ChemInform Abstract: P10Fe, a Phosphorus Analogue of Ferrocene?
Authors: CHAMIZO J. A. , RUIZ‐MAZON M. , SALCEDO R. , TOSCANO R. A.
Published: May 2016

MO calculations at the extended Hueckel level strongly suggest that the possibility of isolating ((η5‐P5)2Fe) would be difficult.
ChemInform Abstract: Laser Vaporization of Alloys: Fluorescence and Electronic Structure of AlCu.
Authors: CAI M. F. , TSAY S. J. , DZUGAN T. P. , PAK K. , BONDYBEY V. E.
Published: May 2016

AlCu is identified by the time‐resolved, laser‐induced fluorescence technique to be a product of the laser vaporization of Cu‐Al alloys.
ChemInform Abstract: Characterization of Two Germania Gels of Different Coordination.
Authors: MUKHERJEE S. P. , GLASS A. S. , LOW M. J. D.
Published: May 2016

GeO2 gels are prepared either by hydrolytic condensation of Ge(OEt)4 (gel I) or by dissolution of GeO2 powder in NH4OH (gel II) and the gels are characterized by DSC, XRD, surface area and weight loss data, and IR spectroscopy.
ChemInform Abstract: Novel Oxochlorides of Antimony and Tellurium.
Authors: LAVUT E. A. , DOLGIKH V. A.
Published: May 2016

The hitherto unknown title compounds SbTeClO3, Sb3TeClO6·2 H2O, Sb5TeCl1.5O8.75·2.6 H2O and Sb11TeCl3O17·5 H2O (rhombic, Z=2 for all compounds) are prepared from Sb2O3 and TeO2 by coprecipitation in aqueous hydrochloric acid.
ChemInform Abstract: Ba2CdGe2O7, the End Member of the Akermanite Series.
Authors: MILL' B. V. , BAIBAKOVA G. D.
Published: May 2016

The hitherto unknown title compound is prepared from a mixture of BaCO3, CdO and GeO2 by solid‐phase reaction conducted at 980‐1000 °C under air.
ChemInform Abstract: Conformational Analysis of (3.3)Cyclophanes. Part 2. Conformational Analysis of (3.3)Paracyclophane.
Authors: SAKO K. , MENO T. , TAKEMURA H. , SHINMYOZU T. , INAZU T.
Published: May 2016

According to a variable temp. 1H and 13C NMR study, (VI) exists as a mixture of chair and boat conformers in the ratio 1.0:1.3 (δG0 = 0.1 kcal/mol) at ‐70 °C with an energy barrier for the chair‐boat inversion of 12.0 kcal/mol (ca.
ChemInform Abstract: Reaction of Phenylchlorocarbene with Acetals.
Authors: DEMENT'EVA L. P. , KOSTIKOV R. R.
Published: May 2016

Phenylchlorocarbene, generated from benzal chloride (II) and tBuOK, undergoes C(2)‐H insertion reaction with the 2‐aryl‐1,3‐dioxolanes (I) to afford the products (III).
ChemInform Abstract: Cationic Cyclization Reactions Initiated by Stabilized Benzyl Cations.
Authors: ANGLE S. R. , LOUIE M. S.
Published: May 2016

The substituted phenols (Ia), (III), (V), and (VII) and the substituted phenol ether (Ib) cyclize to give the compounds (IIa), (IIb), (IV), (VI), and (VIII) respectively in the presence of trifluoroacetic acid or titanium tetrachloride as outlined in the reaction scheme.
ChemInform Abstract: α′,α′‐Disilylated Tertiary Benzamides as Dual ortho‐α′‐Carbanion Synthons. Amide Peterson Olefination Routes to N‐Benzoyl Enamines, Isoquinolines, and Dibenzazocines.
Authors: CUEVAS J.‐C. , PATIL P. , SNIECKUS V.
Published: May 2016

The disilylated benzamides (I) are lithiated and then quenched with the electrophiles (II) to give the o‐substituted products (III).
ChemInform Abstract: Addition of Oxygen‐ and Sulfur‐Centered Radicals to (1.1.1)Propellane.
Authors: MCGARRY P. F. , JOHNSTON L. J. , SCAIANO J. C.
Published: May 2016

The tert‐butoxy radical (IIa) and the thiophenoxy radical (IIb) react with the propellane (III) to give the corresponding bridgehead carbon radicals (IV).
ChemInform Abstract: Substrate‐Controlled Diastereoselectivity in Catalyzed and Uncatalyzed Hydroborations of Allylic Amine Derivatives.
Authors: BURGESS K. , OHLMEYER M. J.
Published: May 2016

The methallylamines (I) are hydroborated with 9‐BBN to give mixtures of the syn‐ (II) or anti‐amino alcohols (III) after oxidative work‐up.
ChemInform Abstract: Catalytic Oxidation‐Reduction Hydration of Olefin with Molecular Oxygen in the Presence of Bis(1,3‐diketonato)cobalt(II) Complexes.
Authors: KATO K. , YAMADA T. , TAKAI T. , INOKI S. , ISAYAMA S.
Published: May 2016

The title procedure is developed as a useful method for the preparation of alcohols from olefins under mild conditions.
ChemInform Abstract: Vinylic Organoboranes. Part 13. A Convenient Stereospecific Synthesis of Z‐1‐Halo‐1‐alkenes from 1‐Alkynes via E‐1‐Alkenylborane Derivatives with Halogens.
Authors: BROWN H. C. , SUBRAHMANYAM C. , HAMAOKA T. , RAVINDRAN N. , BOWMAN D. H. , MISUMI S. , UNNI M. K. , SOMAYAJI V. , BHAT N. G.
Published: May 2016

Addition of the boranes (II) and (VII) to alkynes such as (I) and (VI) gives the E‐alkenylboranes (III) and (VIII).
ChemInform Abstract: Acylamidation of Conjugated Dienes.
Authors: GRIDNEV I. D. , BALENKOVA E. S.
Published: May 2016

The complexes formed between the acylium tetrafluoroborates (II) and acetonitrile (III) or chloroacetonitrile (VII) undergo regiospecific 1,2‐addition reactions with 1,3‐butadiene (I) or, resp., isoprene (VI) to yield the 6‐fluoro‐4‐vinyl‐1,3‐oxazines (IV) or (VIII), which afford the unsaturated β‐amido ketones (V) or (IX) on hydrolysis.
ChemInform Abstract: Preparation of Methyl 2‐(ω‐Iodoalkyl)propenoates and a Facile Route to 2‐Carbomethoxy‐1,3‐butadiene.
Authors: ALANINE A. I. D. , FISHWICK C. W. G. , JONES A. D. , MITCHELL M. B.
Published: May 2016

Cleavage of the α‐methylenelactones (I) with trimethylsilyl iodide gives mixtures of α,ω‐diiodoalkane‐2‐carboxylic acids (II) and the 2‐(ω‐iodoalkyl)acrylic acids (III).
ChemInform Abstract: Trispiro(2.1.2.1.2.1)dodecane‐4,8,12‐trione and Other Oligomers of Carbonylcyclopropane. The Organozinc Route.
Authors: HOFFMANN H. M. R. , EGGERT U. , WALENTA A. , WEINECK E. , SCHOMBURG D. , WARTCHOW R. , ALLEN F. H.
Published: May 2016

The bromocyclopropanecarboxylic acid chloride (V), prepared from the butyrolactone (I) in a 5‐step synthesis outlined in the reaction scheme, is treated with the zinc copper couple to give the dispiro derivative (VI), the trispiro compound (VII) mentioned in the title, and the lactone (VIII).
ChemInform Abstract: Functionalised Benzocyclooctenones: Synthesis and Chemistry.
Authors: CHENNA A. , DONNELLY J. , MCCULLOUGH K. J. , PROCTOR G. R. , REDPATH J.
Published: May 2016

Ring expansion of the tetralone derivative (I) is only achieved with the carboxylate (I), giving the benzocyclooctene (III) in poor yield.
ChemInform Abstract: Reactivity of (3‐Chloro‐2‐methylenecycloalkyl)palladium Chloride Dimers: Addition of Stabilized Carbon Nucleophiles and Application to Cyclopentannulation and Cyclohexannulation.
Authors: DONALDSON W. A. , WANG J. , CEPA V. G. , SUSON J. D.
Published: May 2016

The palladium complex (I) mentioned in the title reacts with two equivalents of the dialkyl sodiomalonates (II) to produce the disubstitution products (III), whereas using one equivalent of (II), selectively the monosubstitution products (IV) are formed.
ChemInform Abstract: Stereoselectivity in the Reaction of Acyliron Complexes with Allylstannanes.
Authors: HERNDON J. W. , WU C.
Published: May 2016

Allyltributylstannane (I) reacts with the crotonyliron complexes (II) in the presence of AlCl3 to give cyclopentylcarbonyliron compounds: (IIa) produces stereoselectively only the complex (III), whereas the isomer (IIb) forms a diastereomeric mixture of (III) and (IV), together with a small amount of the open chained product (V).
ChemInform Abstract: Diels‐Alder Reactions of Cycloalkenones. Part 17. Site Selectivity of Diels‐Alder Reactions of a Bicyclic, Heteroannular Dienone.
Authors: GUO M. , MINUTI L. , TATICCHI A. , WENKERT E.
Published: May 2016

The Diels‐Alder reaction of the dienone (I) with the dienes (II) is studied.
ChemInform Abstract: Synthesis and Reactions of 2‐Aryloxy‐ and 2‐Arylthiofuro(3,2‐b)pyrrole Derivatives.
Authors: KRUTOSIKOVA A. , KORENOVA A. , KOVAC J. , FRAJTOVA‐CHMELOVA M.
Published: May 2016

The 2‐furaldehyde (I) reacts with ethyl azidoacetate (II) to give the furyl‐2‐azidopropenate (III) which is thermally cyclized, yielding the furo(3,2‐b)pyrrolecarboxylate (IV).
ChemInform Abstract: 1,3‐Benzodioxole Derivatives as Radioprotective Agents. Part 1. Synthesis of 5‐Hydroxy‐6‐ and ‐4‐terpenyl‐1,3‐benzodioxoles.
Authors: DALLACKER F. , HOLSCHBACH M. , KONINGS A. W. T.
Published: May 2016

Coupling of the 5‐hydroxy‐1,3‐benzodioxoles (I) and (IV) with the alkenyl bromides (II) leads to the formation of the title compounds (III) and (V) respectively which are potential radioprotective agents.
ChemInform Abstract: Cycloaddition Reactions of 5‐Deutero‐1‐phenyl‐4‐vinylpyrazole. Stereoselective cis “ene” Reaction and Simplification of NMR Spectra of Mixtures of Cycloadducts.
Authors: SEPULVEDA‐ARQUES J. , ALVAREZ DE LAVIADA M. J. , MEDIO‐SIMON M.
Published: May 2016

To get more insight into the reaction of 1‐phenyl‐4‐vinylpyrazole with methyl propiolate (II) (already reported) the labeled (I) is used.
ChemInform Abstract: Synthesis of 4‐Ethoxy‐ and 4‐Hydroxypyrylium Salts from β‐Diketones and Ethyl Orthoformate.
Authors: OLEKHNOVICH E. P. , KOROBKA I. V. , MEZHERITSKII V. V.
Published: May 2016

In the presence of HClO4 the reactions between the β‐diketones (I) and ethyl orthoformate (II) afford the hitherto unknown 4‐ethoxypyrylium perchlorates (III), whereas dimedone (IV) yields the 4‐hydroxypyrylium perchlorate (V).
ChemInform Abstract: Synthesis and Reaction of Quinoxaline Derivatives.
Authors: TOMODA H. , SAITO S. , OHISHI M. , SHIRAISHI S.
Published: May 2016

Reaction of 2,3‐dichloroquinoxaline (I) with ammonia (II) in formamide solution gives different amino derivatives (III), (V) and (VI), or (VII) depending on the reaction conditions employed.
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Facile Synthesis and Antimicrobial Activity of Thiazolo(3,2‐b)‐s‐tetrazines and Pyrazolo(3′,4′:4,5)thiazolo(3,2‐b)‐s‐tetrazines. A Novel Heterocyclic System.
Authors: MOHAN J. , KIRAN KIRAN , DUREJA P.
Published: May 2016

The title compounds (XII) possess a novel and hitherto unknown ring system.
ChemInform Abstract: Synthesis of Condensed Dihydro‐1,5‐benzodiazepines Through Mannich Base Exchange Reaction.
Authors: ABDALLA A. A. , RAMLI M.
Published: May 2016

Reaction of the cyclopentenone (I) with o‐phenylenediamine (II) causes an exchange reaction resulting in displacement of the Mannich base amine by the aromatic amine.
ChemInform Abstract: Furazano(3,4‐b)‐1,4‐diazepines and Methine Dyes Thereof.
Authors: CHUIGUK V. A. , KUL'BABA A. A.
Published: May 2016

Diaminooxadiazole (I) reacts with the β‐dicarbonyl compounds (II) in the presence of perchloric acid to give the oxadiazolodiazepinium salts (III).
ChemInform Abstract: Reaction of Thiolo and Selenolo Esters of Phosphorus Acids with Halogens. Part 2. Interaction of S‐Methyl t‐Butyl(phenyl)‐ and Di‐t‐butyl‐phosphinothiolates with Elemental Bromine and Iodine.
Authors: KRAWIECKA B. , WOJNA‐TADEUSIAK E.
Published: May 2016

The reaction of the title compound (I), or its di‐tert.‐butyl derivative, with bromine or iodine under various conditions leads to a variety of intermediates and products such as (II)‐(VI).
ChemInform Abstract: Heteroleptic Poly(pyrazolyl)borate Derivatives of the Lanthanoid Ions. The Synthesis of Tropolonate and Carboxylate Complexes and the X‐Ray Crystal Structures of (Yb(HB(C3N2H3)3)2(O2C7H5)) and (Yb(HB(C3N2H3)3)2(O2CPh)).
Authors: MOSS M. A. J. , JONES C. J.
Published: May 2016

The complex (V) and analogues (71‐98% yield), containing yttrium, Sm, Eu, and Lu, as well as analogous acetato complexes of yttrium, Eu, Gd, Yb and Lu (81‐91% yield) are prepared similarly to (IV) using the Na carboxylates instead of tropolone.
ChemInform Abstract: Oligomerization Equilibria and Dynamics of 2,2‐Di‐n‐butyl‐1,3,2‐dioxastannolanes.
Authors: GRINDLEY T. B. , THANGARASA R.
Published: May 2016

The dioxastannolane (I) exists in nonpolar solvents, e.g. CDCl3, as a mixture of oligomers including mainly the dimer (II) at 300 K. The species (III) and (IV) predominate below ‐20 °C. No monomer (I) is detected at room temperature.