bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: A Regioselective Synthesis of 2,3‐Disubstituted‐1‐naphthols. The Coupling of Alkynes with 1,2‐Aryldialdehydes Promoted by NbCl3(DME).
Authors: HARTUNG J. B. JUN. , PEDERSEN S. F.
Published: May 2016

The coupling of alkynes such as (I) with the aryldialdehydes (IV) yields regioisomeric mixtures of the naphthols (V) and (VI).
ChemInform Abstract: Synthesis and Pharmacological Evaluation of Mannich Bases and Other Related Compounds, Derived from 2,3‐Dihydro‐1H‐inden‐1‐ones and 2,3,4,5‐Tetrahydrobenzocyclohepten‐1H‐one.
Authors: SINGH R. , TRIPATHI R. C. , KUMAR A. , ANAND N.
Published: May 2016

All products are tested for CNS, CVS, antiinflammatory, diuretic and antiarrythmic activity.
ChemInform Abstract: Optically Active Five‐Membered Oxygen‐Containing Rings. A Synthesis of (+)‐Eldanolide.
Authors: BLOCH R. , SECK M.
Published: May 2016

Stereoselective tandem Wittig‐Horner‐intramolecular Michael reactions followed by a retro Diels‐Alder cleavage convert the optically active lactol (I) to 2‐substituted 2,5‐dihydrofurans.
ChemInform Abstract: Novel Rearrangement of Tricyclo(5.2.1.02,6)deca‐3,8‐dienes into 2‐Oxatricyclo(6.3.0.03,7)undeca‐4,10‐dienes by Treatment with Periodic Acid.
Authors: OHTA H. , MOTOYAMA T. , URA T. , ISHII Y. , OGAWA M.
Published: May 2016

The endo‐tricyclodecadiene (I) reacts with periodic acid under rearrangement, forming the oxatricycloundecadiene (II), together with the iodohydrins (III).
ChemInform Abstract: Potential GABAB Receptor Antagonists. Part 2. Synthesis of 1‐(2‐Amino‐1‐(4‐chlorophenyl)ethyl)‐3‐oxo‐1,3‐dihydroisobenzofuran‐1‐carboxylic Acid (IVb).
Authors: JANOWSKI W. K. , PRAGER R. H.
Published: May 2016

The compounds (IV) are prepared in order to modify the structure of baclofen (Va).
ChemInform Abstract: Chemistry of Benzotriazole. Preparation, Lithiation and Transformation of N‐(Benzotriazol‐1‐ylmethyl) Heterocycles.
Authors: KATRITZKY A. R. , DREWNIAK‐DEYRUP M. , LAN X. , BRUNNER F.
Published: May 2016

Heterocyclic aminals of type (III), i.e. the title compounds, have previously not been easily accessible; they are now prepared by the base‐promoted reaction of (I) with (II).
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom: Reactions of 2‐Aminothiadiazoles with α‐Haloketones and Ketones in the Presence of NBS.
Authors: MOHAN J. , ANJANEYULU G. S. R. , KIRAN KIRAN
Published: May 2016

The title reaction yields the compounds (III) which contain the biologically active thiadiazole and imidazole moieties.
ChemInform Abstract: Carbon Transfer Reactions with Heterocycles. Part 5. Facile Synthesis of Nifedipine and Analogues.
Authors: SINGH H. , SINGH K.
Published: May 2016

Tetrahydro‐2H‐oxazines such as (I), (VII), or (XI) as well as oxazolidines such as (IV), (V), (VI), or (X) transfer their C‐2 units at the carbonyl group oxidation level to alkyl‐β‐aminocrotonates such as (II), (VIII), or (XII) to form dihydropyridines elaborated at C‐4 such as (III), (IX) (= nifedipine), or (XIII).
ChemInform Abstract: Pyrrolo(2,1‐a)phthalazines and Related Compounds.
Authors: UFF B. C. , GHAEM‐MAGHAMI G. , BUDHRAM R. S. , WILSON C. L. , APATU J. O.
Published: May 2016

The known pyrrolophthalazinone (I) is the starting compound for a series of derivatives such as (III) (16 examples; accessible via the chlorination product (II)), (IV), (VII), (X).
ChemInform Abstract: Selective Synthesis of Novel Isoxazolo(2,3‐a)quinoxalines and Pyrrolo(1,2‐a)quinoxalines.
Authors: KIM H. S. , KURASAWA Y. , TAKADA A.
Published: May 2016

The title compounds (V) or (VII) are formed when the quinoxaline derivatives (IV) react with 1 or 2 equiv. of the diester (VI).
ChemInform Abstract: Synthesis of New Alkyl‐, Alkenyloxy‐, and Hydroxy‐Substituted Diazacrown Compounds.
Authors: BRADSHAW J. S. , KRAKOWIAK K. E. , IZATT R. M.
Published: May 2016

New diazacrown compounds (V), (IX), (XII), (XV), (XVI), and (XVII) with the macro ring atoms situated in the 1,4‐, 1,7‐, and 1,10‐positions are prepared.
ChemInform Abstract: Addition of Free Me2Ge: to Alkenes and Alkynes in the Presence of Water on Glass Surfaces.
Authors: NEUMANN W. P. , SAKURAI H. , BILLEB G. , BRAUER H. , KOECHER J. + , VIEBAHN S.
Published: May 2016

Reactions of thermally generated, free Me2Ge: with the alkenes (II) or the alkynes (V) and (VII) in the presence of water (III) absorbed on SiO2 or glass surfaces lead to the products (IV), (V), and (VIII), respectively, which contain two Ge atoms/mol.
ChemInform Abstract: N‐Arylation and N,N‐Dibenzylation of Coordinatively Bound N2 with Organic Halides: Differences in the Reactivity of trans‐(Mo(N2)2(Me8(16)aneS4)) and Its Phosphine Analogues.
Authors: YOSHIDA T. , ADACHI T. , UEDA T. , KAMINAKA M. , SASAKI N. , HIGUCHI T. , AOSHIMA T. , MEGA I. , MIZOBE Y. , HIDAI M.
Published: May 2016

The formation of (III) is confirmed by the reaction of (IIIa) with MeI to give the corresponding hydrazido complex and by X‐ray diffraction structure determination of (IIIb) (Pnam, Z=4).
ChemInform Abstract: Synthesis and Structures of New Six‐Coordinate 16‐ and 17‐Valence‐Electron Rhenium Phosphine Complexes and Their Use in Preparing Seven‐Coordinate Mixed RNC/CO Rhenium(III) Compounds.
Authors: WARNER S. , LIPPARD S. J.
Published: May 2016

Heating of the seven‐coordinate Re(III) complex (I) in toluene yields the paramagnetic 16‐electron all‐trans complex (II) (space group P21/n, Z=4).
ChemInform Abstract: Optically Active Difunctionalized Dioxocyclam Macrocycles: Ligands for Nickel‐Catalyzed Oxidation of Alkenes.
Authors: WAGLER T. R. , FANG Y. , BURROWS C. J.
Published: May 2016

Coupling of the protected amino acids (I) with 1,3‐diaminopropane (II) produces the diamides (III) which are deprotected to form (IV).
ChemInform Abstract: Polyaza‐Cavity Shaped Molecules. Part 14. Anellated 2‐(2′‐Pyridyl)indoles, 2,2′‐Biindoles, and Related Systems.
Authors: THUMMEL R. P. , HEGDE V.
Published: May 2016

Fischer indole cyclization of the phenylhydrazones (III), derived from the ketones (I), forms the pyridylindoles (IV).
ChemInform Abstract: Spectroscopy and X‐Ray Crystal Structure of Luminescent Pt2(dppm)2(CN)4 (dppm: Bis(diphenylphosphino)methane).
Authors: CHE C.‐M. , YAM V. W.‐W. , WONG W.‐T. , LAI T.‐F.
Published: May 2016

The title complex (III) crystallizes in the space group P21/n, Z=2.
ChemInform Abstract: An Approach to Bufadienolides from Deoxycholic Acid. Reactions of a Steroidal α,β‐Unsaturated Aldehyde with Some O‐Silylated Ketene Acetals.
Authors: HOPPE H.‐W. , STAMMEN B. , WERNER U. , STEIN H. , WELZEL P.
Published: May 2016

Reaction of the steroidal aldehyde (I) with the O‐silyl ketene acetals (II) yields the Michael adducts (III) whereas the cycloaddition products (V) are obtained from (I) and the acetals (IV) when the reaction is run in the presence of the mild Lewis acid Eu(fod)3‐d27.
ChemInform Abstract: A Total Synthesis of Anthramycin: Application of Palladium‐Catalyzed Coupling Reactions for the Attachment of the Acrylic Side Chain.
Authors: PENA M. R. , STILLE J. K.
Published: May 2016

Based on analogous conversions of some model compounds, the ketone (II) is regiospecifically transformed to the enol triflate (IV), which is then subjected to the title reaction to give the target intermediate (VIII) in a Heck‐type reaction as well as some analogues (V) by coupling with tin reagents (VI).
ChemInform Abstract: Synthesis of Racemic Ambrox.
Authors: BUECHI G. + , WUEEST H. +
Published: May 2016

From the known ketone (IV), (±)‐Ambrox (XI) is synthesized in five steps.
ChemInform Abstract: Strengthening of Ceria‐Doped Tetragonal Zirconia Polycrystals by Reduction‐Induced Phase Transformation.
Authors: HEUSSNER K.‐H. , CLAUSSEN N.
Published: May 2016

A heat treatment technique that results in the reduction of CeO2 is developed to induce the tetragonal‐to‐monoclinic phase transition in the surface of Ce‐doped tetragonal zirconia polycrystals (TZP).
ChemInform Abstract: Microstructure and Mechanical Properties of Mullite‐Silicon Carbide Composites
Authors: OSENDI M. I. , BENDER B. A. , LEWIS D. III
Published: May 2016

are studied by three‐point‐bending‐strength measurements, Vickers hardness measurements, measurements of the elastic properties by the pulse‐echo overlap ultrasonic technique, SEM/TEM, and XRD.
ChemInform Abstract: Scanning Tunneling Microscopy (STM) of Amorphous Alloy Electrocatalysts for Water Electrolysis.
Authors: KREYSA G. , GOMEZ J. , BARO A. , ARVIA A. J.
Published: May 2016

The surface topography of two amorphous metals, having the composition Co50Ni25Si15B10 (G16) and Fe60Co20Si10B10 (G14), is studied for the first time at the nm scale using STM.
ChemInform Abstract: Corrosion Studies on Amorphous and Crystalline Zr67Ni33
Authors: DEY G. K. , SAVALIA R. T. , SHARMA S. K. , KULKARNI S. K.
Published: May 2016

in 1 N HCl, 1 N H2SO4, and 1 N HNO3, using weight‐loss measurements, indicate that the corrosion resistance is greater in the case of the amorphous alloy and that HCl is the most corrosive medium.
ChemInform Abstract: Ammines of Calcium and Strontium Borohydride.
Authors: KONOPLEV V. N. , SILINA T. A.
Published: May 2016

Reaction between the non‐solvated calcium or strontium borohydrides and ammonia, conducted in liquid ammonia at ‐70 °C yields the novel compounds Ca(BH4)2·5.7 NH3 (Ia) or Sr(BH4)2·6.5 NH3 (Ib), respectively.
ChemInform Abstract: Metastable AlCl as a Solid and in Solution.
Authors: TACKE M. , SCHNOECKEL H. +
Published: May 2016

Gaseous AlCl can be prepared in high yield according to the scheme.
ChemInform Abstract: System Tl2WO4‐MO(MWO4)‐WO3.
Authors: ARKHINCHEEVA S. I. , BAZAROVA ZH. G. , MOKHOSOEV M. V. , KHAZHEEVA Z. I.
Published: May 2016

The title systems (M: Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Mn, Ni, Co) are investigated.
ChemInform Abstract: Chemistry and Physics of the Novel Molecular‐Based Compound Exhibiting a Spontaneous Magnetization Below Tc = 14 K, MnCu(obbz)·1 H2O (obbz: Oxamidobis(benzoato)). Comparison with the Antiferromagnet MnCu(obbz)·5 H2O. Crystal Structure and Magnetic Properties of NiCu(obbz)·6 H2O.
Authors: NAKATANI K. , CARRIAT J. Y. , JOURNAUX Y. , KAHN O. , LLORET F. , RENARD J. P. , PEI Y. , SLETTEN J. , VERDAGUER M.
Published: May 2016

The title compound (I) and the MnCu complex containing 5 H2O are prepared via the dinatrium salt of oxamidobis(benzoato)cuprate (56% yield) by reaction with Ni or Mn perchlorate in H2O. Dehydration of the pentahydrate in vacuum or on heating at 65 °C gives the MnCu complex containing one mole H2O. (I) crystallizes in P21/n with Z=4.
ChemInform Abstract: Electroorganic Chemistry. Part 116. Electrochemical Transformation of Aldoximes to Nitriles Using Halogen Ions as Mediators: Intermediary Formation of Nitrile Oxides.
Authors: SHONO T. , MATSUMURA Y. , TSUBATA K. , KAMADA T. , KISHI K.
Published: May 2016

The aldoximes (I) are electrochemically transformed into the nitriles (III) via the nitrile oxides (II) by passing electricity (2.5 to 5 F/mol) through a methanolic solution of (I) containing sodium chloride in an undivided cell.
ChemInform Abstract: Functionalized Chloroenamines in Aminocyclopropane Synthesis. Part 3. Synthesis and Assignment of Configuration of Two Isomeric Morpholinobicyclo(3.1.0)hexane Derivatives.
Authors: VILSMAIER E. , ADAM R. , TETZLAFF C. , CRONAUER R.
Published: May 2016

Previous studies concerning the utility of a morpholino substituent as a 1H NMR stereoindicator for the exo/endo position in bicyclic compounds are now extended to systems of type (V) and (VIII) possessing a bridgehead substituent.
ChemInform Abstract: Investigations on the Formation of 6‐Hydroxyindole in the Nenitzescu Reaction. Part 2. Cyclization of N‐(Quinonylalkyl)enaminone Derivatives.
Authors: KUCKLAENDER U. + , ULMER P. , ZERTA G.
Published: May 2016

A previous report concerning the formation of 6‐hydroxyindoles in the Nenitzescu reaction suggested that this (intermolecular) transformation may proceed via primary 1,4‐addition of the enaminone nitrogen to p‐benzoquinone.
ChemInform Abstract: Observation of Novel Photochemistry in the Multiphoton Ionization of Mo(CO)6 van der Waals Clusters.
Authors: PEIFER W. R. , GARVEY J. F.
Published: May 2016

Studies of 248 nm multiphoton ionization dynamics of Mo(CO)6 van der Waals clusters, generated in pulsed supersonic molecular beams, furnish evidence for a striking photochemical behavior, heretofore unobserved in the multiphoton ionization of transition‐metal carbonyls.
ChemInform Abstract: Benzylidenisophorone Dimer and Its Photoproduct.
Authors: FIELDS E. K. , DUNLAP R. W. , BRUCK M. , PODIAS A. , HALL H. K. JUN.
Published: May 2016

Irradiation of benzylidenisophorone dimer leads to the formation of the photoproduct (II) which is derived from (I) by intramolecular (2 + 2)cycloaddition.
ChemInform Abstract: Palladium‐Catalyzed Intermolecular Vinylation of Cyclic Alkenes.
Authors: LAROCK R. C. , GONG W. H.
Published: May 2016

Intermolecular cross‐coupling of the vinylic compounds (I), (IV), (IX), and (XI) with the cyclic alkenes (II), (V), and (VII) in the presence of catalytic amounts of palladium acetate leads to the formation of the 1,4‐dienes shown in the reaction scheme.
ChemInform Abstract: Chlorination of Bicyclo(1.1.1)pentane Derivatives.
Authors: ROBINSON R. E. , MICHL J.
Published: May 2016

Photochemical chlorination of the bridgehead‐substituted bicyclo‐(1.1.1)pentanes (I), (V), and (VI) with chlorine produces the 2,2‐dichloro derivatives (II) and (VII).
ChemInform Abstract: Synthesis of Chiral 12‐Phenyl(2H)dodecanoic Acids: Useful Metabolic Probes for the Biosynthesis of 1‐Alkenes from Fatty Acids.
Authors: GOERGEN G. + , BOLAND W. , PREISS U. , SIMON H.
Published: May 2016

The synthesis of the optically active deuterated phenyldodecanoic acids (VII) and (VIII) is described.
ChemInform Abstract: A Method for the Preparation of Substituted Biguanides.
Authors: SUYAMA T. , SOGA T. , MIYAUCHI K.
Published: May 2016

The cyanoguanidines (I) react with several amines (II) in the presence of FeCl3 and ZnCl2, forming the biguanides (III).
ChemInform Abstract: A Novel Synthesis of Isothiocyanates from Ammonium Dithiocarbamates Using Triphenylphosphine‐Carbon Tetrachloride.
Authors: FURUKAWA I. , ABE N. , HASHIMOTO S.
Published: May 2016

The isothiocyanates (III) are obtained from the amines (I) by consecutive treatment with carbon disulfide (II) and triphenylphosphine/tetrachloromethane.
ChemInform Abstract: Asymmetric Alkylation of β‐Keto Esters with Optically Active Sulfonium Salts.
Authors: UMEMURA K. , MATSUYAMA H. , WATANABE N. , KOBAYASHI M. , KAMIGATA N.
Published: May 2016

The cyclic β‐keto esters (I) and (V) undergo asymmetric alkylation with optically active sulfonium salts such as (II).
ChemInform Abstract: Fries Rearrangement of 9‐(Acyloxy)anthracene.
Authors: TAMANO M. , NAKABAYASHI M. , KOKETSU J.
Published: May 2016

Reaction of anthrone (I) with acetyl chloride (II) yields the acetyloxyanthracene (III) which is rearranged in the presence of several Lewis acid catalysts, producing 10‐acetylanthrone (IV) and the starting material (I).
ChemInform Abstract: Substituent Effects on the Regio‐ and Stereoselectivity of Gas‐Phase Acid‐Induced Ring Opening in 1‐Arylcyclohexene Oxides.
Authors: CECCHI P. , PIZZABIOCCA A. , RENZI G. , CHINI M. , CROTTI P. , MACCHIA F. , SPERANZA M.
Published: May 2016

With regard to the more complex arene oxides as intermediates in the carcinogenesis, the ring‐opening of the simpler models (I) is studied (for (I) with Ar: ‐Ph already published).
ChemInform Abstract: Synthesis and Reactivity of β‐Lactones Derived from L‐Threonine and Related Amino Acids.
Authors: PANSARE S. V. , VEDERAS J. C.
Published: May 2016

The threonine derivatives (Ia) and (Ib) undergo Mitsunobu reaction to give stereoselectively the anti‐elimination products (II).
ChemInform Abstract: Nitration of 2‐Carbonyl‐3,4‐dichlorofuran Derivatives.
Authors: YAMAMOTO K. , KOYANAGI J. , TANAKA A. , HORIE I. , ICHIKAWA M. , SWAMINATHAN S. , HATCHER J. F. , BRYAN G. T.
Published: May 2016

Nitration of the furans (I) leads to the formation of the corresponding 5‐nitrofurans (III).
ChemInform Abstract: Synthesis of Some Substituted Benzimidazoles with Potential Antimicrobial Activity.
Authors: LABOUTA I. M. , HASSAN A. M. M. , ABOULWAFA O. M. , KADER O.
Published: May 2016

Title compounds of type (II) (8 examples) and (III) (5 examples), bearing a heterocyclic substituent in 2‐position, and the title compounds (VI) are prepared in order to test their antimicrobial activity.
ChemInform Abstract: Photochemical Synthesis of Cyclic 2‐(2,2‐Dimethylpropylidene)‐1,3‐dicarbonyl Compounds.
Authors: HOBEL K. , MARGARETHA P.
Published: May 2016

Photolysis of (b)‐fused bi‐ and tricyclic pyrandiones such as (III) affords title compounds such as (IV) in good yields along with small amounts of spiroalkanediones such as (V).
ChemInform Abstract: Studies on Condensed Polycyclic Aromatic Compounds Having Photochromic Properties. Part 3. Synthesis and Photochromic Properties of Anellated Benzo(1,2,3‐kl:4,5,6‐k′l′)dixanthenes and Their Endoperoxides.
Authors: TOKITA S. , ARAI T. , OHOKA M. , NISHI H.
Published: May 2016

The red benzodixanthene (III) is prepared in two steps from the anthraquinone (I) and 2‐naphthol (II).
ChemInform Abstract: Alkylation of 2,4,4,6‐Tetraphenyl‐1,4‐dihydropyridine.
Authors: SCHWARZ M. , KUTHAN J.
Published: May 2016

The title compound (III) is alkylated only with unbranched alkyl halides (II) in an inert atmosphere.
ChemInform Abstract: Hydrolysis of the Vinyl Ether Functional Group in a Model for Prostacyclin in which the Carboxyl Group has been Replaced by a Pyridine Ring.
Authors: BERGMAN N.‐A. , HALVARSSON T.
Published: May 2016

Hydrolysis of the vinyl ether group in the three isomeric vinyl ether compounds (VI) ‐ (VIII), obtained from 5‐chloro‐2‐pentanone (I) as shown in the reaction scheme, leads to the formation of 6‐(2‐pyridyl)‐2‐hexanone (IX) and has been studied in acetic acid, hydrochloric acid, and biphosphate ion buffer solutions.
ChemInform Abstract: The Urea Connection. Intramolecular Diels‐Alder Reactions of Ureas.
Authors: KRAUS G. A. , BOUGIE D. , JACOBSON R. A. , SU Y.
Published: May 2016

The ureas (IV), prepared by coupling the indoles (I) with the isocyanates (II) and subsequent treatment with the bromides (III), undergo intramolecular Diels‐Alder reaction, forming the adducts (V).
ChemInform Abstract: Addition of the Lithium Derivatives of 4‐Alkyl‐3‐morpholinones to Carbonyl Compounds.
Authors: DOBREV A. , NECHEV L. , IVANOV C.
Published: May 2016

The addition of the lithium derivative of the morpholinone (I) to carbonyl compounds (II) affords racemic alcohols of type (III) (27 examples).
ChemInform Abstract: A Convenient Synthesis of N‐Substituted Benzoxazepines and Benzoxazines.
Authors: SHARMA I. , AGARWAL M. , RAY S.
Published: May 2016

Improved methods are developed for the preparation of the benzoxazepine (V) via (III) and the benzoxazepines (VIII) and benzoxazines (X) from the analogues (VI) of (III).
ChemInform Abstract: Synthesis of Polyaza Macrocyclic Ligands Incorporating Pyridine Units.
Authors: HOSSEINI M. W. , COMARMOND J. , LEHN J.‐M.
Published: May 2016

The synthesis of nine macrocyclic polyamines such as (I)‐(III) by common methods is described.
ChemInform Abstract: Protecting Groups for the Synthesis of Diazacyclophanes by the Rigid‐Group Principle.
Authors: FUNKE U. , GRUETZMACHER H.‐F. +
Published: May 2016

A variety of aliphatic dicarbonyl dichlorides are probed as protecting groups in the preparation of the di‐ and monothiadiazaparacyclophanenes (VI) and (VII).
ChemInform Abstract: Effect of Silica Gel on the Benzenesulfinic Acid‐Catalyzed Isomerization of Vinylsilanes. Formation of Silyl Benzenesulfinate.
Authors: OCHIAI M. , TAKAOKA Y. , UKITA T. , NAGAO Y. , FUJITA E.
Published: May 2016

The Z‐vinylsilanes (I) are isomerized to form the E‐configurated analogues (II) by treatment with benzenesulfinic acid in the presence of silica gel.
ChemInform Abstract: 2,4,6‐Tri‐tert.‐butylselenobenzaldehyde, the First Stable Selenoaldehyde.
Authors: OKAZAKI R. , KUMON N. , INAMOTO N.
Published: May 2016

A degassed benzene solution of the title compound (II) is quite stable at room temperature.
ChemInform Abstract: Thermal Decomposition of the Halide and Pseudohalide Derivatives of Bis(cyclopentadienyl)titanium(IV).
Authors: BROWN G. M.
Published: May 2016

The thermal decomposition of the compounds (I) is studied both by temp.‐programmed pyrolysis at atmospheric pressure and by vacuum pyrolysis.
ChemInform Abstract: Synthesis and Reactivity of (LMn(CO)3)+: Kinetics and Mechanism of Its Formation and the Crystal Structure of (LMn(CO)3)3(PF6)2Br·2 H2O (L: 1,4,7‐Trithiacyclononane).
Authors: ELIAS H. , SCHMIDT G. , KUEPPERS H.‐J. + , SAHER M. , WIEGHARDT K. , NUBER B. , WEISS J.
Published: May 2016

The formation mechanism of (III) is discussed.
ChemInform Abstract: Bi‐ and Polynuclear Complexes with Short‐Bite Ligands Bridging Metal Atoms. ((η5‐C5H5)Rh(μ‐CH3O2CC2CO2CH3)(μ‐Ph2Ppy)Rh(CO)(μ‐Cl))2: Synthesis, X‐Ray Crystal Structure, Structural Dynamics, and Reactions with CO and SO2.
Authors: ROTONDO E. , LO SCHIAVO S. , BRUNO G. , ARENA C. G. , GOBETTO R. , FARAONE F.
Published: May 2016

Compound (I) reacts with acetylenes, activated by electron‐withdrawing groups, to give the tetranuclear complexes (III), which are at low temp. in equilibrium with the corresponding binuclear compounds (1H, 31P NMR evidence).
ChemInform Abstract: Terpenes. Part 299. Sesquiterpene Lactones of Cephalophora aromatica (Hook.) Schrader and Their Deterrent Activity. The Stereostructure of Geigerinin (III).
Authors: BLOSZYK E. , DUDEK A. , KOSTURKIEWICZ Z. , RYCHLEWSKA U. , DANIEWSKI W. M. , GUMULKA M. , NAWROT J. , BUDESINSKY M. , VASICKOVA S. , HOLUB M.
Published: May 2016

Along with already described sesquiterpene lactones helenalin (Ia), mexicanin I (IIa), its O‐acetate linifolin A, and a mixture of aromatin (Ib) and aromaticin (IIb), geigerinin (III) (space group P21 with Z=4) is identified.
ChemInform Abstract: Synthesis and Reactions of Endothiopeptides.
Authors: GUZIEC F. S. JUN. , WASMUND L. M.
Published: May 2016

Thionation of some dipeptides such as (I) leads to the endothiopeptides (II).
ChemInform Abstract: Synthesis and Muscarinic Activity of a Series of Tertiary and Quaternary N‐Substituted Guvacine Esters Structurally Related to Arecoline and Arecaidine Propargyl Ester.
Authors: WOLF‐PFLUGMANN M. , LAMBRECHT G. , WESS J. , MUTSCHLER E.
Published: May 2016

Arecoline (I) is N‐demethylated by consecutive treatment with phosgene and hot water to give guvacoline which is isolated as its hydrobromide (II).
ChemInform Abstract: Synthesis of New Dihydropyrano‐1,3‐diphenylprop‐2‐enones: Revision of the Structure of Flemistrictin‐F.
Authors: PARMAR V. S. , SHARMA V. K. , MALHOTRA S.
Published: May 2016

During the attempted synthesis of the title compound, isolated from Flemingia stricta and assigned to have structure (V), a series of new products are obtained.
ChemInform Abstract: Superacid Cyclodehydration of Ketones in the Production of Tricyclic Antihistamines.
Authors: SCHUMACHER D. P. , MURPHY B. L. , CLARK J. E. , TAHBAZ P. , MANN T. A.
Published: May 2016

Loratadine (XII), a potent long‐acting antihistamine without CNS side effects, is synthesized as outlined in the reaction scheme.
ChemInform Abstract: Reduction of Aromatic Nitro Compounds with Bakers′ Yeast.
Authors: TAKESHITA M. , YOSHIDA S. , KIYA R. , HIGUCHI N. , KOBAYASHI Y.
Published: May 2016

Thirty‐six nitrobenzenes such as (I) and (III) are reduced with bakers' yeast to give the corresponding anilines (II) or (IV).
ChemInform Abstract: Structure of Mo8Ga41S.
Authors: WOLCYRZ M. , ANDRUSZKIEWICZ R. , LUKASZEWICZ K.
Published: May 2016

Single crystals of the title compound are grown from a mixture of MoS2, Mo, and Ga in a temp. gradient.
ChemInform Abstract: Electrosynthesis and Photoelectrochemical Characterization of Zinc Selenide Doped with Thallium.
Authors: SINGH K. , RAI J. P.
Published: May 2016

Tl‐doped ZnSe semiconductor electrodes, prepared by electrochemical codeposition, exhibit photoresponsivities significantly higher than that of undoped ZnSe electrodeposits prepared under similar conditions.
ChemInform Abstract: Improved Synthesis, Redox Chemistry, and Magnetism of the Mixed Valence Isopolyanion V10O4‐ 26.
Authors: BAXTER S. M. , WOLCZANSKI P. T.
Published: May 2016

Addition of stoichiometric amounts of vanadyl(IV) ion to V2O5 and Bu4NOH in Me2CO/H2O provides a convenient route to the known mixed‐valence compound (IV) in moderate yield.
ChemInform Abstract: Intercalation Reactions of the Neptunyl(VI) Dication with Hydrogen Uranyl Phosphate and Hydrogen Neptunyl Phosphate Host Lattices.
Authors: DORHOUT P. K. , KISSANE R. J. , ABNEY K. D. , AVENS L. R. , ELLER P. G. , ELLIS A. B.
Published: May 2016

The strong parallels existing between neptunyl and uranyl intercalation chemistry are reported.
ChemInform Abstract: Alkali Metal Manganese Chalcogenides A2MnX2 with A: K, Rb, or Cs and X: S, Se, or Te
Authors: BRONGER W. , BALK‐HARDTDEGEN H. , SCHMITZ D.
Published: May 2016

are synthesized as outlined in the scheme with the chalcogens being charged in a H2 stream (yields not given).
ChemInform Abstract: Solution Studies of the Cobalt(II) N‐rac‐ and N‐meso‐CoL2+ Isomers and Molecular and Crystal Structures of the Low‐Spin, Five‐Coordinate Cobalt(II) Macrocyclic Complexes N‐rac‐(CoL(H2O))(ClO4)2·0.6 H2O and N‐rac‐(CoL(OClO3))ClO4 (L: 5,7,7,12,14,14‐Hexamethyl‐1,4,8,11‐tetraazacyclotetradeca‐4,11‐diene).
Authors: SZALDA D. J. , SCHWARZ C. L. , ENDICOTT J. F. , FUJITA E. , CREUTZ C.
Published: May 2016

The title complex (Ia) crystallizes in Pbcn with Z=20, and (Ib) in P21/c with Z=4.
ChemInform Abstract: Applications of Phase‐Transfer Catalysis. Part 47. Relative Stabilities and Performances of Various Phase‐Transfer Catalysts.
Authors: DEHMLOW E. V. , KNUFINKE V.
Published: May 2016

The stability of several phase‐transfer catalysts such as (I)‐(IV) is studied by thermolysis and basic decomposition.
ChemInform Abstract: Catalysis of Diels‐Alder Reactions by Low Oxidation State Transition‐Metal Lewis Acids: Fact and Fiction.
Authors: BONNESEN P. V. , PUCKETT C. L. , HONEYCHUCK R. V. , HERSH W. H.
Published: May 2016

In order to determine the potential of transition‐metal Lewis acids as catalysts, complexes such as (I)‐(III) are investigated.
ChemInform Abstract: Kinetics and Mechanism of the Thermal Rearrangement of Some (Chloromethyl)silanes.
Authors: CLARKE M. P. , DAMRAUER R. , DAVIDSON I. M. T. , SIMON R.
Published: May 2016

The gas‐phase pyrolysis of the title compounds in a stirred flow reactor is studied kinetically indicating that the rearrangements are probably concerted in the gas phase.
ChemInform Abstract: Photoisomerization of Oxime Ethers and Efficiency of Triplet Formation via Exciplexes.
Authors: TAKEDA Y. , MISAWA H. , SAKURAGI H. , TOKUMARU K.
Published: May 2016

The DCA‐sensitized photoisomerization of (I) proceeds via its triplet under steady irradiation in benzene to give a photostationary state isomer ratio (59:41) which is nearly the same when starting with the Z isomer (II).
ChemInform Abstract: Pyranyl Radicals and Their Dimers.
Authors: KAWATA H. , NIIZUMA S.
Published: May 2016

The photolysis of the pyrylium salts (I) in the presence of a reductant affords the radicals (II) which are in equilibrium with their dimers (III).
ChemInform Abstract: Ruthenium‐Catalyzed Aldol and Michael Reactions of Activated Nitriles.
Authors: NAOTA T. , TAKI H. , MIZUNO M. , MURAHASHI S.‐I.
Published: May 2016

The reactions of nitriles, activated by ruthenium catalysts, lead to a variety of products such as the aldol adducts (III) or the Michael adducts (IV) and (VIII).
ChemInform Abstract: Generation of an N‐Sodioazomethine Ylide and Its Cycloadditions with α,β‐Unsaturated Esters.
Authors: KANEMASA S. , YOSHIOKA M. , TSUGE O.
Published: May 2016

In previous studies, the reaction of (II) with a title ylide generated from (I) and NaI/Et3N had yielded a 1:2.7 mixture of (IV) and (VIII); an analogous reaction using LiBr/Et3N had given (IV) exclusively.
ChemInform Abstract: The Effect of Phenyl Ring Torsional Rigidity on the Photophysical Behavior of Tetraphenylethylenes.
Authors: SHULTZ D. A. , FOX M. A.
Published: May 2016

The photophysical properties of the tethered tetraphenylethylenes (VII) change dramatically with the length of the (CH2)n‐tethers.
ChemInform Abstract: Methyl α‐Acyloxy‐γ‐methylene‐β‐tetronate. Preparation and Use as a Building Block for the Synthesis of the Spirotetronic Acid Structure of Chlorothricolide.
Authors: OKUMURA K. , OKAZAKI K. , TAKEDA K. , YOSHII E.
Published: May 2016

The methylenetetronates (IV) mentioned in the title undergo Diels‐Alder reaction with the triene (VI), yielding mixtures of the diastereomeric cycloadducts (VIII) and (IX) and their regioisomers (X).
ChemInform Abstract: Photochemical Synthesis of Thiazolyl‐thiophene Derivatives.
Authors: D'AURIA M. , DE MICO A. , D'ONOFRIO F. , PIANCATELLI G.
Published: May 2016

A new class of compounds, represented by (I), (V), (VII) and (IX), is synthesized in order to obtain products which show a higher selectivity than the phototoxic α‐terthiophene.
ChemInform Abstract: 1,3‐Dipolar Cycloadditions with Methyl 4‐Oxo‐ and 4‐Hydroxy‐2‐butynoates (II). Synthesis of Functionalized Pyrazoles (III), (IV), (VI), (VII) and Triazoles (IX), (X).
Authors: FARINA F. , FERNANDEZ P. , FRAILE M. T. , MARTIN M. V. , MARTIN M. R.
Published: May 2016

1,3‐Dipolar Cycloadditions with Methyl 4‐Oxo‐ and 4‐Hydroxy‐2‐butynoates (II).
ChemInform Abstract: Facile Decomposition of 9‐Substituted 9‐Xanthydrols in Basic Media. Dependence of Reaction Behavior on Structure and Metal Ion.
Authors: KARAMAN R. , BADEJO I. T. , FRY J. L.
Published: May 2016

Some puzzling observations had been made in the synthesis of the title compound (I); e.g., (I) is obtained from xanthone (II), Li metal, 4,4'‐di‐tert.‐butylbiphenyl in THF followed by addition of tropyl halide in more than 80% yield, but use of Na metal leads to recovery of xanthone (II) with no alcohol formed.
ChemInform Abstract: Imidolactones. Part 2. N‐(2‐Phenylethyl)isochroman‐1‐imines.
Authors: MEISE W. , MIKA H.‐J.
Published: May 2016

The hydroxyethylamides (I) are converted into the iminolactones (II).
ChemInform Abstract: Synthesis of 2‐Methyl‐4‐phenyl‐1,2,3,4‐tetrahydroisoquinolin‐4‐ol Derivatives by a Novel Insertion Reaction of Arylnickel Complexes.
Authors: KIHARA M. , NAKANISHI A. , KOBAYASHI S.
Published: May 2016

2‐Iodo‐N‐methylbenzylamine (I) is coupled with the phenacyl bromides (II) to give the o‐iodobenzylaminoacetophenones (III) which undergo cyclization in the presence of zerovalent nickel, producing the 4‐hydroxytetrahydroisoquinolines (IV).
ChemInform Abstract: Cyclohepta(b) (1,4)benzoxazines. Part 3. The Reaction of 6‐Bromocyclohepta(b) (1,4)benzoxazine with o‐Aminophenol.
Authors: NOZOE T. , OKAI H. , WAKABAYASHI H. , ISHIKAWA S.
Published: May 2016

Previous studies had shown that (I) reacts with (III) to give a complex mixture of products.
ChemInform Abstract: Synthesis and Reactivity of 2‐Alkyl‐ and 2‐Aryl‐4H‐pyrido(3,2‐e)‐1,3‐thiazin‐4‐ones.
Authors: COUTURE A. , GRANDCLAUDON P. , HUGUERRE E.
Published: May 2016

The title thiazine derivatives (III) and (V) are synthesized for the first time.
ChemInform Abstract: Preparation and Pharmacological Activity of Amido Derivatives of 3‐Methyl‐3,4‐dihydrobenzo‐ and ‐pyrido‐1,2,4‐triazin‐3‐ylacetic Acids.
Authors: BOIDO A. , NOVELLI F. , SAVELLI F. , SPARATORE F. , RUSSO S. , FILIPPELLI W. , SUSANNA V. , MARMO E.
Published: May 2016

Coupling of the 2‐nitroarylhydrazines (I) with the acetoacetamides (II) yields the hydrazones (III) which are hydrogenated and oxidized to form the title compounds (V).
ChemInform Abstract: Reaction of N‐Vinyliminophosphoranes. Part 10. Reaction of N‐Vinyliminophosphoranes with 2,4,6‐Cyclooctatrienone. Intermediate Formation of 8‐Azabicyclo(5.3.1)undeca‐2,4,7,9‐tetraene Ring System.
Authors: NITTA M. , KANOMATA N.
Published: May 2016

In an attempt to synthesize the 8‐azabicyclo(5.3.1)undeca‐2,4,7,9‐tetraene skeleton, the dehydrogenation of which is expected to give the desired compound (I), the reactions of the phosphoranes (III) and (VI) with 2,4,6‐cyclooctatrienone (II) are investigated.
ChemInform Abstract: Synthesis of (1,3‐Disilylpropenyl)phosphines.
Authors: BOYD B. A. , NEILSON R. H.
Published: May 2016

A series of the title compounds such as (III) are generally prepared as the only or main products by the reaction shown in the scheme.
ChemInform Abstract: Synthesis of the Racemate and the Enantiomers of 1,1′‐Binaphthyl‐2,2′‐phosphoric Acid.
Authors: KNABE J.
Published: May 2016

The racemic title compound (III) is obtained by an improved method which consists in dimerization of β‐naphthol (I) and subsequent coupling with phosphorus oxychloride (II).
ChemInform Abstract: Reaction of Hexafluoroacetonimine with PH‐Acids.
Authors: MARTYNOV I. V. , AKSINENKO A. YU. , CHEKHLOV A. N. , SOKOLOV V. B.
Published: May 2016

The acetonimine (II) reacts with the phosphonite (Ia) or the phosphinous acids (Ib) and (Ic) to produce the phosphinate (IIIa) or the phosphine oxides (IIIb) and (IIIc).
ChemInform Abstract: Stepwise Reduction of Acetonitrile in (Tp′(CO)(PhCCMe)W(NCCH3)) (BF4).
Authors: FENG S. G. , TEMPLETON J. L.
Published: May 2016

Sequential hydride and proton addition is the way to reduce the coordinated acetonitrile in the title complex (IV) to ethylamine and to isolate the intermediate metal complexes at each stage of the reduction.
ChemInform Abstract: The Contrasting Roles of the Various Chalcogens in the Synthesis of Mixed Metal Complexes (CO)6Fe2(μ3‐E)2M(PPh3)2 (E = Te, Se, S; M = Ni, Pd, Pt).
Authors: MATHUR P. , MAVUNKAL I. J. , RUGMINI V.
Published: May 2016

The iron carbonyl chalcogen clusters (I) react with tetrakis(triphenylphosphine)palladium or the corresponding platinum complex (II), yielding the mixed metal complexes (III) as the main products.
ChemInform Abstract: Synthesis and Spectral and Redox Properties of Three Triply Bridged Complexes of Ruthenium.
Authors: LLOBET A. , CURRY M. E. , EVANS H. T. , MEYER T. J.
Published: May 2016

The phosphato‐, carbonato‐, and acetato‐bridged μ‐oxo‐diruthenium complexes (III) and (IV) (yield 59/62%) are synthesized by reaction of the trichloride (I) with 0.1 M solution of phosphate buffer, sodium carbonate, or sodium acetate.
ChemInform Abstract: Influence of Remote Substituents on the Properties of Bis(terpyridyl)ruthenium(II) Complexes.
Authors: THUMMEL R. P. , HEGDE V. , JAHNG Y.
Published: May 2016

The complexes (I) are prepared from RuCl3 and the ligands in EtOH/H2O (reflux, N2, 15 h, yield not given).
ChemInform Abstract: Coordination Chemistry of N‐(Methylthio‐thiocarbonyl)pyruvic Acid Hydrazone.
Authors: THOMAS P. , SEIDEL A. , LEIBNITZ U. , SZARGAN R. , UHLIG I. , HENNIG H.
Published: May 2016

The title hydrazone (III) is prepared by a modified known method.
ChemInform Abstract: Structure, Synthesis, and Characterization of Chiral Secondary Diphosphine Platinum(II) Mono‐ and Dimeric Complexes: Molecular Structure of (Pt2Cl4(SMe2)2((R*,R*)‐μ‐HtBuPCH2PtBuH)).
Authors: HUFFMAN J. C. , LLOYD B. R.
Published: May 2016

Reaction of the Pt(II) complex (I) in greater than a 2‐fold excess with a 1:1 mixture of the diphosphines (IVa) and (IVb) leads to the isolation of the two new complexes (II) and (III) (no yields given).
ChemInform Abstract: Chemistry of the Burseraceae. Part 11. X‐Ray Diffraction Studies on Some Tirucall‐7‐ene Triterpenes from Aucoumea klaineana (Burseraceae).
Authors: LIANG G.‐Y. , GRAY A. I. , PATALINGHUG W. C. , SKELTON B. W. , WATERMAN P. G. , WHITE A. H.
Published: May 2016

Three new triterpenes intimately related to flindissol are isolated: flindissol lactone (I), flindissone (II) (perhaps a mixture of 21‐hydroxy epimers in solution, cannot be obtained in crystalline state), and flindissone lactone (III).
ChemInform Abstract: Glycosyl Imidates. Part 41. 6‐O‐Benzyl‐Protected Muramic Acid as Glycosyl Acceptor. ‐ Synthesis of the GlcNAc‐β(1 → 4)MurNAc Disaccharide.
Authors: TERMIN A. , SCHMIDT R. R.
Published: May 2016

The trichloroacetimidate (I) as glucosamine donor and the 6‐O‐benzyl‐protected muramic acid (II) as acceptor yield the β‐connected disaccharide (III), which is transformed into the β‐anomer of the title disaccharide (V); the corresponding α‐anomer can be obtained by NaOMe treatment of (V) and reacetylation.
ChemInform Abstract: An Improved Synthesis of Glycinamide Ribonucleotide.
Authors: BOSCHELLI D. H. , POWELL D. , SHARKY V. , SEMMELHACK M. F.
Published: May 2016

Starting with the commercially available ribose derivative (I), the biologically important glycinamide ribonucleotide (GAR) (XIV) is synthesized as outlined in the reaction scheme.
ChemInform Abstract: Preparation of Superconductor/Polymer Composite with Resistive Transition Temperature (Tc) Above 77 K.
Authors: SARKAR A. K. , SALYER I. O. , KUMAR B.
Published: May 2016

A novel technique for the preparation of a 123‐superconductor/polymer composite which shows true superconducting transition above liquid‐N2 temp. is developed.
ChemInform Abstract: Characterization of the Ionization of Phosphoric Acid Using Raman Spectroscopy.
Authors: ZWICK A. , LAKHDAR‐GHAZAL F. , TOCANNE J.‐F.
Published: May 2016

The protonation of NaH2PO4 in aqueous HClO4 solutions of various concentrations is monitored using Raman spectroscopy.
ChemInform Abstract: Corrosion Inhibition of Zinc with Cerous Chloride.
Authors: HINTON B. R. W. , WILSON L.
Published: May 2016

Addition of CeCl3·7 H2O in amounts as low as 100‐1000 ppm inhibit the corrosion of Zn and Zn‐coated steel in 0.1 M NaCl or tap water.
ChemInform Abstract: Preparation and Crystal Structure of HgPb2O(OH)Br3.
Authors: RIEBE H.‐J. , KELLER H.‐L.
Published: May 2016

The title compound, which is synthesized for the first time by annealing a mixture of PbO, PbBr2, HgBr2, and H2O (3:1:2:1; 280 °C, 4 weeks), crystallizes in the orthorhombic system, space group Aba2, Z = 8. The structure consists of "isolated" heterocubane‐like groups (Hg2Pb4O2(OH)2) which are surrounded by Br‐ ions.
ChemInform Abstract: Preparation of Tantalum‐Tantalum Oxide‐Manganese Oxide Structures by Photoexcited Anodic Deposition of Manganese Oxide.
Authors: YOSHIDA A. , NISHINO A.
Published: May 2016

A uniform manganese oxide layer, which has been deposited electrolytically from a bath of an aqueous Mn2+ salt solution on an anodically polarized Ta/Ta2O5 electrode, can be applied to fabricate solid electrolyte capacitors.
ChemInform Abstract: About Sr2CuO2Br.
Authors: BOEHLKE A. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

The hitherto unknown title compound, prepared as represented in the scheme, is investigated by single crystal XRD.
ChemInform Abstract: Mode of Binding of Dimethyl Sulfoxide in Platinum(II) and Palladium(II) Cationic Complexes Containing a Chelated Diamine. X‐Ray Crystal Structures of (2,2′‐Bipyridyl)chloro(dimethyl sulfoxide‐O)palladium(II) Tetrafluoroborate and Chloro(dimethyl sulfoxide‐S)(ethylenediamine)palladium(II) Perchlorate.
Authors: ANNIBALE G. , CATTALINI L. , BERTOLASI V. , FERRETTI V. , GILLI G. , TOBE M. L.
Published: May 2016

The mode of binding of DMSO in chloro(diamine)‐Pt(II) and ‐Pd(II) cations (diamine: 2,2'‐bipyridine, 1,10‐phenanthroline, or en) is examined.
ChemInform Abstract: Aromatic Substitution Reactions of Amines with Ring‐Substituted 1‐Phenyl‐2,2,2‐trifluoroethyl Carbocations.
Authors: RICHARD J. P.
Published: May 2016

Evidence is presented by some reactions of (III) such as given in the scheme that the substitution products are formed by a four‐step mechanism via carbocations Ar‐CH+‐CF3 (trapped by N3‐ as well), aromatic substitution at C‐4, breakdown of the C‐4 adduct with expulsion of MeO‐ or MeOH, final product formation.
ChemInform Abstract: Efficient Stereocontrol in the (2,3)Sigmatropic Rearrangement of Allylic Sulfoxides.
Authors: SATO T. , OTERA J. , NOZAKI H.
Published: May 2016

Stereoselective (2,3)sigmatropic rearrangement of the allylic thioethers (I) occurs upon oxidative elimination reaction, yielding the γ‐hydroxy α,β‐unsaturated aldehydes (II) as the main products.
ChemInform Abstract: Photooxidation of Alcohols by Hexachlorometalate(IV) Ions (M: Pt, Pd, or Ir): Spin Trapping and Matrix Isolation Electron Spin Resonance Studies.
Authors: FADNIS A. G. , KEMP T. J.
Published: May 2016

The photoreduction of (MCl6)2‐ (M: Pt, Ir, Pd) by alcohols, both at room temp. and 77 K, involves a photoredox process yielding M3+ and an alcohol‐derived radical.
ChemInform Abstract: Mechanism and Synthetic Applications of the Photochemical Generation and X‐H Insertion Reactions of Oxacarbenes.
Authors: PIRRUNG M. C. , CHANG V. K. , DEAMICIS C. V.
Published: May 2016

Both inter‐ and intramolecular reactions of the title species (e.g.
ChemInform Abstract: Homogeneous Ionic Hydrogenation Using H2O·BF3 and Catalytically‐Activated H2.
Authors: CHENG J. C. , MAIORIELLO J. , LARSEN J. W.
Published: May 2016

Hydrogenation of triphenylmethanol (I) in the presence of BF3·H2O and a Pd(II) catalyst in an aqueous system yields triphenylmethane (II).
ChemInform Abstract: Efficient Selective Hydrodebromination of Aryl Bromides by Montmorillonitesilylaminepalladium(II) Chloride.
Authors: RAO Y. V. S. , MUKKANTI K. , CHOUDARY B. M.
Published: May 2016

Aromatic bromides such as (I) are hydrodebrominated by treatment with hydrogen in the presence of a palladium(II) montmorillonitesilylamine complex to give the corresponding arenes such as (II).
ChemInform Abstract: Small‐Ring Annulation and Ring Expansion of the Dodecahedrane Framework. Homododecahedranone and the 21‐Homododecahedryl Cation.
Authors: PAQUETTE L. A. , KOBAYASHI T. , KESSELMAYER M. A. , GALLUCCI J. C.
Published: May 2016

The dodecahedrane (I) is coupled with dichlorocarbene to yield the dichloromethyl derivative (III).
ChemInform Abstract: Nickel‐Catalyzed Conversion of Phenol Triflates into Aromatic Nitriles and Acids.
Authors: CHAMBERS M. R. I. , WIDDOWSON D. A.
Published: May 2016

With regard to 5,6,7,8‐tetrahydro‐2‐naphthoic acids needed, a reaction sequence is sought to convert readily available phenols into acids.
ChemInform Abstract: A New Method for Synthesis of Trifluoromethyl‐Substituted Phenols and Anilines.
Authors: STAHLY G. P. , BELL D. R.
Published: May 2016

The trifluoromethylsilane (II) reacts with the quinones (I) and (V) in the presence of excess potassium fluoride to give the silyl ethers (III) and (VI) which are hydrolyzed to give the hydroxycyclohexadienones (IV) and (VII).
ChemInform Abstract: Resolution of trans‐1,2‐Dihydroxy‐1,2‐dihydrobenzene for the Preparation of Optically Pure Benzene Diol Epoxides. Preparation of Bromo‐ and Chlorobenzene Diol Epoxides.
Authors: GANEY M. V. , PADYKULA R. E. , BERCHTOLD G. A. , BRAUN A. G.
Published: May 2016

Esterase‐catalyzed hydrolysis of the racemic diacetate (±)‐(I) yields diastereoselectively the monoacetate (II) and the unchanged diacetate (+)‐(I).
ChemInform Abstract: A Simplified Procedure for Preparing the Cholinergic Neurotoxin 1‐Ethyl‐1‐(2‐hydroxyethyl)aziridinium Ion (AF64A).
Authors: MOOS W. H. , DAVIS R. E. , SCHWARZ R. Y.
Published: May 2016

The 1‐ethyl‐1‐(2‐hydroxyethyl)aziridinium cation (II), a potent neurotoxin, is prepared from the chloroethylamine hydrochloride (I) in a mg‐scale by treatment with stoichiometric amounts of sodium hydroxide in aqueous solution.
ChemInform Abstract: Studies on Some Hindered 2,2′‐Bithienyls and 3,3′‐Bridged 2,2′‐Bithienyls with Special Reference to Their UV Spectra and Oxidation Potentials.
Authors: AMER A. , BURKHARDT A. , NKANSAH A. , SHABANA R. , GALAL A. , MARK H. B. JUN. , ZIMMER H.
Published: May 2016

The nickel‐catalyzed cross‐coupling reaction of the Grignard compounds (III), prepared from the bromothiophenes (I), with the bromothiophenes (IV) yields the bithienyls (V).
ChemInform Abstract: A New Synthetic Method for the 2‐Substitution of N‐Unsubstituted Benzimidazoles: Formaldehyde as a Versatile Protecting Agent for Heterocyclic NH.
Authors: KATRITZKY A. R. , AKUTAGAWA K.
Published: May 2016

The benzimidazole (I) is N‐protected with formaldehyde (II) to give the hydroxymethyl derivative (III).
ChemInform Abstract: Baeyer‐Villiger Oxidation of Hexacyclo(10.2.1.02,11.04,9.04,14.09,13)pentadeca‐3,10‐dione Systems.
Authors: PANDEY B. , DALVI P. V.
Published: May 2016

Baeyer‐Villiger oxidation of the polycyclic diketone (I) yields the monolactone (II).
ChemInform Abstract: Synthesis of 2,6‐Diaryltetrahydropyran‐4‐ones.
Authors: FAKLER T. M. , BERLIN K. D.
Published: May 2016

Cyclocondensation of acetone‐1,3‐dicarboxylic acid (I) with the aromatic aldehydes (II) leads to the formation of the cis‐2,6‐diaryltetrahydropyran‐4‐ones (III), together with minor amounts of the corresponding trans‐isomers (IV).
ChemInform Abstract: Synthesis of Some Optically Active α‐Pyridyl‐carbinols and Determination of Absolute Configuration from the CD of Their in situ Complexes with (Mo2(OAc)4).
Authors: BEROVA N. , BOJADZIEV S. , RAKOVSKA R. , FRELEK J. , SNATZKE G.
Published: May 2016

Racemic title carbinols are synthesized as described in the scheme and resolved by standard procedures using (+)‐camphor‐10‐sulfonic acid or (‐)‐tartaric acid.
ChemInform Abstract: An Efficient Synthesis of (.+‐.)‐3‐Amino‐2‐(4‐chlorophenyl)propylphosphonic Acid (PHACLOFEN).
Authors: HALL R. G.
Published: May 2016

Michael addition of the phosphonate (I) to the nitrostyrene (II) yields the γ‐nitro phosphonate (III).
ChemInform Abstract: Synthesis of a New Chiral Phosphine Ligand.
Authors: FENSKE D. , MERZWEILER K.
Published: May 2016

The new chiral diphosphine (S)‐(IX) is synthesized from mucochloric acid (I) via the dichloro‐Ni(II) complex (VIIa) as shown in the scheme.
ChemInform Abstract: Structural Characterization of 1,2,4,5‐Tetraphenylcyclo‐3,6‐dicarba‐1,2,4,5‐tetraphosphine: A Highly‐Folded Chair Conformation.
Authors: LANEMAN S. A. , FRONCZEK F. R. , STANLEY G. G.
Published: May 2016

Reaction of the potassium phosphite (I) with dichloromethane (II) results in the formation of the new cyclodicarbatetraphosphine (III), together with the known phosphines (IV) ‐ (VII).
ChemInform Abstract: Cyclization Reactions of Nitriles. Part 31. Synthesis, Crystal Structure, and Properties of 2,6‐Diamino‐4‐phenyl‐3,5‐dicyano‐4H‐selenopyran and Reactions of 6‐Amino‐4‐phenyl‐3,5‐dicyano‐2(1H)‐pyridineselone Obtained on Its Basis.
Authors: DYACHENKO V. D. , NESTEROV V. N. , STRUCHKOV YU. T. , SHARANIN YU. A. , SHKLOVER V. E.
Published: May 2016

Cyanoselenoacetamide (I) react with benzylidenemalononitrile (II) to give the selenopyran (III), the methylmorpholinium salt (V), or the pyridineselone (VI) depending on the reaction conditions.
ChemInform Abstract: Deprotonation of the Bis(dimethylphosphino)ethane Ligand of a Cationic Chromium Alkyl.
Authors: NOH S. K. , HEINTZ R. A. , THEOPOLD K. H.
Published: May 2016

The title reaction results in formation of a new complex (II), crystallizing in C2/c with Z = 8 (mechanism).
ChemInform Abstract: Organometallic Electron Reservoirs. Part 35. Binuclear Electron Reservoir Complexes. Syntheses, Reactivity, and Electronic Structure of the 35‐, 36‐, and 37‐Electron Fulvalene Complexes (Fe2(μ2,η10‐C10H8)(η5‐C5H5)(η6‐C6R6))n+ (n = 0, 1, 2; R: H, Me).
Authors: DESBOIS M.‐H. , ASTRUC D. , GUILLIN J. , VARRET F.
Published: May 2016

The dissym. binuclear organometallic fulvalene sandwiches (IIIa) and (IIIb) are synthesized in modest yields according to the scheme.
ChemInform Abstract: A Homogeneous Iron(II) System Capable of Selectively Catalyzing the Reduction of Terminal Alkynes to Alkenes and Buta‐1,3‐dienes.
Authors: BIANCHINI C. , MELI A. , PERUZZINI M. , VIZZA F. , ZANOBINI F. , FREDIANI P.
Published: May 2016

Terminal alkynes (I) are selectively hydrogenated in THF under mild conditions to alkenes by Fe(II) catalysts which interconvert upon treatment with H2 or N2, respectively.
ChemInform Abstract: Palladium‐Catalyzed Synthesis of Didehydroamino Acid Derivatives.
Authors: CARLSTROEM A.‐S. + , FREJD T.
Published: May 2016

The arylacrylates (IIIb) ‐ (IIId), produced by a modified Heck reaction of the acrylates (II) with the aryl iodides (I), are hydrogenated to give the protected amino acid esters (IV).