bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Regioselective Addition of Nucleophiles to 1‐(Phenoxycarbonyl)‐3‐trialkylstannylpyridinium Salts.
Authors: COMINS D. L. , MANTLO N. B.
Published: May 2016

The stannylpyridines (I) react with phenyl chloroformate (II) and the organometallic compounds (III) to produce mixtures of the alkylated N‐acyldihydropyridines (IV) and (V).
ChemInform Abstract: 2‐Methylthiazolium Salts as 1,4‐Dinucleophiles. Thiazolo(3,2‐a)pyridinium Salts from Westphal Condensation.
Authors: GALERA C. , VAQUERO J. J. , GARCIA NAVIO J. L. , ALVAREZ‐BUILLA J.
Published: May 2016

The thiazolium salts (III), prepared by quaternization of the thiazoles (I), are coupled with the 1,2‐dioxo derivatives (IV), producing the thiazolopyridinium salts (V).
ChemInform Abstract: Synthesis of D‐Oxa Tricyclic Partial Ergolines as Dopamine Agonists.
Authors: BOOHER R. N. , KORNFELD E. C. , SMALSTIG E. B. , CLEMENS J. A.
Published: May 2016

Starting with 2,4‐dimethoxyaniline (I), the hexahydro‐N‐propylbenzoxazinone (VI) is synthesized.
ChemInform Abstract: Quinolonecarboxylic Acids. Part 2. Synthesis and Antibacterial Evaluation of 7‐Oxo‐2,3‐dihydro‐7H‐pyrido(1,2,3‐de)(1,4)benzothiazine‐6‐carboxylic Acids.
Authors: CECCHETTI V. , FRAVOLINI A. , FRINGUELLI R. , MASCELLANI G. , PAGELLA P. , PALMIOLI M. , SEGRE G. , TERNI P.
Published: May 2016

The benzothiazines (II) are transformed into the pyridobenzothiazines (IV) by coupling with the unsaturated malonates (I), followed by cyclization and hydrolysis.
ChemInform Abstract: Catalytic Rearrangement of Tris‐(2‐Substituted‐2‐propenyl) Cyanurates.
Authors: KLENOVICH S. V. , PASHKINA E. P. , LIKHTEROV V. R. , TSAREVA L. A. , ETLIS V. S.
Published: May 2016

The triallyl cyanurates (III) are prepared.
ChemInform Abstract: Reaction of the Adduct of Phenyltetrachlorophosphorane and Ethyl Vinyl Ether with Phosphine.
Authors: FRIDLAND S. V. , LAPTEVA L. I.
Published: May 2016

The adduct, obtained from the phosphorane (I) and the vinyl ether (II), reacts with phosphine (III) to give the phosphinic chlorides (IV) and (V), together with the phosphonous dichloride (VI).
ChemInform Abstract: Reaction of Tris(dimethylamino)phosphine with 1,2‐Dimercaptoethanol.
Authors: AKHMETKHANOVA F. M. , PROSKURNINA M. V. , ZLOTSKII S. S. , PAKHMANKULOV D. L.
Published: May 2016

Reaction of the phosphorus amide (I) with the dithiol (II) gives the diphosphite (III) instead of the expected phosphorane (IV).
ChemInform Abstract: Mono‐ and Di‐carbonyl Complexes of Molybdenum(II) with Mixed Bidentate Ligands. X‐Ray Crystal Structure of (MoBr2(CO)(bipy)(Ph2PCH2PPh2)) (bipy: 2,2′‐bipyridine): A Novel Type of (M(bidentate)2(unidentate)3) Structure.
Authors: ARNAIZ F. J. , GARCIA G. , RIERA V. , DROMZEE Y. , JEANNIN Y.
Published: May 2016

The seven‐coordinated dicarbonyl‐Mo complexes (II) with bidentately coordinated NN‐ligands and with only via one P atom coordinated diphosphine are prepared as shown starting from the NN‐ligand tetracarbonyl complexes (I).
ChemInform Abstract: Reaction of Monoborane with Tris(cyclopentadienyl)uranium(IV) Derivatives.
Authors: PORCHIA M. , BRIANESE N. , OSSOLA F. , ROSSETTO G. , ZANELLA P.
Published: May 2016

The U(IV) compounds (I) react with the labile borane adducts (II) to give the well known borate derivative (III).
ChemInform Abstract: Synthesis and Characterization of Technetium‐(IV) and ‐(III) Complexes with Bidentate Schiff Bases. X‐Ray Molecular Structure of Chloro(dimethylphenylphosphine)bis(N‐phenylsalicylideneiminato)technetium(III).
Authors: DUATTI A. , MARCHI A. , ALVAREZ LUNA S. , BANDOLI G. , MAZZI U. , TISATO F.
Published: May 2016

Starting with (I) or (IV) the complexes (II), (III) or (V) of the long‐lived isotope technetium‐99 are synthesized.
ChemInform Abstract: Borane‐THF as a Dual Reagent. Preparation and Characterization of the Metal‐Rich Cobaltaborane (μ3‐H)2((η5‐C5H5)Co)4B2H2.
Authors: FEILONG J. , FEHLNER T. P. , RHEINGOLD A. L.
Published: May 2016

BH3 induces the removal of the two ligands from the complex (I).
ChemInform Abstract: Studies of Cobalt Carbonyls on Oxide Supports. Part 4. Nitric Oxide Reactions with Cobalt Carbonyls.
Authors: NEWCOMB T. P. , GOPAL P. G. , WATTERS K. L.
Published: May 2016

The reaction of Co2(CO)8 and Co4(CO)12, supported on silica, γ‐alumina, Na‐Y and Na‐X zeolites and magnesia, with NO is investigated by IR spectroscopy, manometry, mass spectrometry and isotopic exchange.
ChemInform Abstract: Sequence‐Dependent Platinum Chelation by Adenylyl(3′‐5′)guanosine and Guanylyl(3′‐5′)adenosine Reacting with cis‐Diamminedichloroplatinum(II) and Its Diaquo Derivative.
Authors: VAN HEMELRYCK B. , GIRAULT J.‐P. , CHOTTARD G. , VALADON P. , LAOUI A. , CHOTTARD J.‐C.
Published: May 2016

cis‐PtCl2(NH3)2 and cis‐(Pt(NH3)2(OH2)2)(NO3)2 react with ribo‐ApG (IIIa) or ribo‐GpA (IIIb) in H2O at pH 5.5 to give only the Pt chelate (Ia) with anti,anti configuration of the bases or four isomeric adducts, the N7N1'‐chelate (II) as well as three N7N7'‐chelates (Ib) with GantiAanti, GantiAsyn and probably GsynAsyn structure, respectively.
ChemInform Abstract: Shaping the Absorption and Fluorescence Bands of a Class of Efficient, Photoactive Chromophores: Synthesis and Properties of Some New 3H‐Xanthen‐3‐ones.
Authors: SAUERS R. S. , HUSAIN S. N. , PIECHOWSKI A. P. , BIRD G. R.
Published: May 2016

The substituted 6‐amino‐3H‐xanthen‐3‐ones (III) and the thio analogue (V) are synthesized from the resorcinols (II) or thioresorcinol (IV) as outlined in the reaction scheme.
ChemInform Abstract: A Revised Structure for the Marine Bromoindole Derivative Citorellamine.
Authors: MORIARTY R. M. , ROLL D. M. , KU Y.‐Y. , NELSON C. , IRELAND C. M.
Published: May 2016

The structure of citorellamine (I) is verified by its independent synthesis from the indole carbaldehyde (V).
ChemInform Abstract: Synthesis and 3′‐Substituent Effects of Some 7α‐Methoxy‐1‐oxacephems on Antibacterial Activity and Alkaline Hydrolysis Rates.
Authors: NARISADA M. , NISHIKAWA J. , WATANABE F. , TERUI Y.
Published: May 2016

The oxacephems (I) are prepared from compounds such as (II).
ChemInform Abstract: Sequential Configurational Analysis of Peptides.
Authors: BOLTE T. , YU D. , STUEWE H.‐T. + , KOENIG W. A. +
Published: May 2016

A procedure is described that allows the amino acids of a linear peptide to be sequentially removed from the N‐terminus with retention of configuration.
ChemInform Abstract: Superconductivity Below 40 K in Orthorhombic Structure La2CuO4.
Authors: BEILLE J. , CABANEL R. , CHAILLOUT C. , CHEVALIER B. , DEMAZEAU G. , DESLANDES F. , ETOURNEAU J. , LEJAY P. , MICHEL C. , PROVOST J. , RAVEAU B. , SULPICE A. , THOLENCE J.‐L. , TOURNIER R.
Published: May 2016

From resistivity, susceptibility, and Meissner effect measurements it is derived for the first time that La2CuO4 is superconducting.
ChemInform Abstract: Zn/Al Salt(aq)/MnO2 Galvanic Cell with High Voltage and High Energy Density.
Authors: SHOJI T. , YAMAMOTO T.
Published: May 2016

When an aqueous solution of AlCl3 with a concentration of 3 M, which is almost a saturated solution, is used as the electrolyte, the title cell shows rather flat discharging voltage (averaged discharging voltage of 1.78 V) with high discharging voltage until ∼85% of the one‐electron capacity (12.3 mA h or discharging of 6.2 h at 2 mA) of MnO2 is discharged.
ChemInform Abstract: Polarity and Basicity of Solvents. Part 3. A New IR Spectroscopic Indicator of Hydrogen‐Bonding Basicity.
Authors: NICOLET P. , LAURENCE C. , LUCON M.
Published: May 2016

Shifts of the carbonyl stretching vibration of CCl3COOH are measured for a series of 34 common solvents.
ChemInform Abstract: Benzo‐Fused 10π‐Heteroaromatics as Dienophiles in Diels‐Alder Cycloaddition with Electron Demand.
Authors: SEITZ G. , MOHR R.
Published: May 2016

The tetrazine (I) undergoes cycloaddition reaction with the benzo‐fused heterocycles (II), yielding the primary adducts (III) which release nitrogen to form the isomeric tricycles (IV) and (V).
ChemInform Abstract: Reaction of Benzoyl Isothiocyanate with Active Methylene Reagents: A Convenient Synthesis of Pyrazolo(5,4‐c)pyrazole, 1,3‐Oxazine, Thiazole and Pyrimidine Derivatives.
Authors: MOHAREB R. M. , HABASHI A. , IBRAHIM N. S. , SHERIF S. M.
Published: May 2016

Benzoyl isothiocyanate (I) reacts with the sodium salts of ethyl cyanoacetate (II), malononitrile (V) and acetylacetone (VI) to form the 1:1 adducts (III), (IV), and (VII).
ChemInform Abstract: Reactions of Singlet Oxygen with Alkoxy‐Substituted Dienes. Formation of Dioxetanes in the Singlet Oxygenations of s‐Cis Fixed Dienes (Z,Z)and (E,Z)‐4,5‐Diethylidene‐2,2‐dimethyl‐1,3‐dioxolanes.
Authors: CLENNAN E. L. , NAGRABA K.
Published: May 2016

Oxidation of the cis‐dienes (I) and (IV) with singlet oxygen gives the unstable dioxetanes (II), (V), and (VI), together with the endoperoxides (III) and (VII).
ChemInform Abstract: Asymmetric Synthesis via Acetal Templates. Part 13. Preparation of Aldol Compounds from Butane‐1,3‐diol Acetals.
Authors: SILVERMAN I. R. , EDINGTON C. , ELLIOTT J. D. , JOHNSON W. S.
Published: May 2016

The acetals (III), obtained by acetalization of (I) with the chiral diol (II), undergo coupling with the enol ether (IV) to give the aldol ethers (V) and (VI) with high diastereoselectivity in favour of (V).
ChemInform Abstract: Synthesis and Properties of Methano Bridged Tetradehydro‐(18)annulene, ‐(20)annulene, ‐(22)annulene, ‐(24)annulene, and the Related (1,3)Cyclophanpolyenediyne Compounds.
Authors: OJIMA J. , EJIRI E. , KATO T. , NAKAMURA M. , KURODA S. , HIROOKA S. , SHIBUTANI M.
Published: May 2016

The title annulenes (III) are obtained by Wittig reaction of the dialdehydes (I) with the phosphonium salt (II).
ChemInform Abstract: Evaluation of Some Preparation of Trialkoxyphthalic Acid Derivatives.
Authors: PARKER K. A. , SPERO D. M. , KOZISKI K. A.
Published: May 2016

Three successful approaches to trialkoxyphthalic acid derivatives are described.
ChemInform Abstract: Regioselectivity in the Photochemical Ring Contraction of 4‐Diazopyrazolidine‐3,5‐diones to Give Aza‐β‐lactams.
Authors: LAWTON G. , MOODY C. J. , PEARSON C. J. , WILLIAMS D. J.
Published: May 2016

Photolysis of the diazopyrazolidinediones (I) in the presence of a nucleophile (II) gives mixtures of the isomeric diazetidinones (III) and (IV); the regioselectivity depending on the substituents.
ChemInform Abstract: An Optimized Procedure to Prepare 3‐Acylindoles: Triethyl Orthoacetate and Trimethyl Orthobenzoate as Effective Acylation Reagents.
Authors: PFEUFFER L. , SODY E. , PINDUR U.
Published: May 2016

The indoles (I) react regioselectively with the orthoesters (II) to produce the 3‐acetyl or 2‐benzoylindoles (III).
ChemInform Abstract: The Lithiation of 1‐(Phenylthiomethyl)benzimidazole and Related Compounds.
Authors: KATRITZKY A. R. , RAMER W. H. , LAM J. N.
Published: May 2016

The lithio derivative generated from (I) reacts with various electrophiles such as (II), (V) or (VI) to give, at low temp., the 2‐substituted products (III) or (IV), whereas at higher temp. the α‐substituted product (VII) is formed.
ChemInform Abstract: A New Acylative Cycloaddition Reaction.
Authors: KNIGHT J. , PARSONS P. J.
Published: May 2016

The polycyclic isoxazolines (IX), (XV), and (XIX) are synthesized by reaction of the isonitrile (VIII) with the nitrodienes (VII), (XIV), or (XVIII).
ChemInform Abstract: Synthesis of Substituted Dibenzophospholes. Part 6. Preparation of Symmetrical and Non‐Symmetrical Quaterphenyl Intermediates.
Authors: CORNFORTH J. , KUMAR A. , STUART A. S.
Published: May 2016

A synthetic route to the dinitroquaterphenyl (VI) is described, the key steps being the arylation of the starting dinitrobenzene (I) with the iodide (II) and the coupling of the biphenyl (V) to give (VI).
ChemInform Abstract: Hydroboration of Dimethylaminomethylenephenylphosphine.
Authors: ARBUZOV B. A. , ERASTOV O. A. , IONKIN A. S. , IGNAT'EVA S. N. , EFREMOV YU. YA. , NEKHOROSHKOV V. M.
Published: May 2016

Dimethylaminomethylenephosphine (I) reacts with catecholborane (II) to give the azaphosphaboretidine (III) which decomposes upon heating under reduced pressure to form dimethylaminocatecholborane (IV).
ChemInform Abstract: Derivatives of 1,3‐Bis‐(2‐hydroxyphenyl)‐1,3‐propanedione. An Attempt to Get More Soluble Heterotrinuclear Complexes. Crystal Structure of Chromium Tris‐(1,3‐bis‐(2‐hydroxyphenyl)‐1,3‐propanedionate).
Authors: TEIXIDOR F. , COLOMER J. , LLOBET A. , CASABO J. , SOLANS X. , FONT‐ALTABA M.
Published: May 2016

The substitution of a hydrogen atom by other radicals has been achieved in the title diketone at the methinic carbon by reaction of its Co complex (I) with different electrophiles.
ChemInform Abstract: Reactions of Aluminopolyhydride Complexes of Tungsten. X‐Ray Crystal Structures of ((Me3P)3H3W(μ‐H)2AlCl(μ‐N=CHEt))2, (((Me3P)3WH5)Li)4, WH2I(PMe3)3(SiMe3), and (Me3P)3H2W(μ‐H)3AlCl2(NMe3).
Authors: BARRON A. R. , WILKINSON G. , MOTEVALLI M. , HURSTHOUSE M. B.
Published: May 2016

Reaction of (I) with nitriles gives the μ‐amido complexes (IIa) and (IIb); a similar complex (IIc), obtained from chloride‐containing solutions, is investigated crystallographically.
ChemInform Abstract: Redox Behaviour of the Iron‐Sulfur Cluster (Fe6(μ3‐S)8(PEt3)6)2+. Synthesis and Crystal Structure of the New Paramagnetic Monopositive Species (Fe6(μ3‐S)8(PEt3)6)+ as Its (PF6)‐ Salt.
Authors: CECCONI F. , GHILARDI C. A. , MIDOLLINI S. , ORLANDINI A. , ZANELLO P.
Published: May 2016

The cyclic voltammograms of the dipositive cluster cation show that it undergoes four reversible one‐electron transfer steps to yield a five‐membered series.
ChemInform Abstract: Synthesis of Pyridine‐Containing Tetra‐Aza Macrocycles: 3,7,11,17‐Tetraazabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene (L1), Its 3,11‐Dibenzyl (L2) and 3,7,11‐Tribenzyl (L3) Derivatives, and Their Nickel(II), Copper(II), and Zinc(II) Complexes: Crystal Structures of L2·HCl and (Ni(L2)Cl)ClO4·H2O.
Authors: ALCOCK N. W. , BALAKRISHNAN K. P. , MOORE P. , PIKE G. A.
Published: May 2016

A template reaction with Ni2+, similar to a published one for a related macrocycle is used to prepare (Ia) starting with 2,6‐pyridinedicarbaldehyde and 1,7‐diamino‐4‐azaheptane and AcOH as a catalyst.
ChemInform Abstract: Cytosine Complexes with Copper(II) Perchlorate.
Authors: MIKULSKI C. M. , LEE C. J. , TRAN T. B. , KARAYANNIS N. M.
Published: May 2016

Cu perchlorate and cytosine monohydrate react in a mixture of triethylorthoformate and EtOH under reflux to yield the complex (I), which has a square‐planar CuN4 chromophore (IR data); the ligands bind via N(3).
ChemInform Abstract: Velocity Modulation Laser Spectroscopy of Negative Ions: The ν3 Band of Azide (N‐ 3).
Authors: POLAK M. , GRUEBELE M. , SAYKALLY R. J.
Published: May 2016

34 transitions in the ν3 (asymmetric stretch) fundamental of N3‐ have been measured in an NH3/N2O discharge by using the title method and the vibrational band origin is determined to be ν3 = 1986.4672 cm‐1 (rotational constants are given).
ChemInform Abstract: Nitridophosphates M(I)3M(III)P3O9N (M(I): Na, K; M(III): Al, Ga, Cr, Fe, Mn)
Authors: FELDMANN W.
Published: May 2016

are obtainable by heating compounds containing Na2O, P2O5, Al2O3, and PON as components to 600‐850 °C and are shown to be isotypic.
ChemInform Abstract: Ammonolysis of Niobium(V) Bromide.
Authors: MAYA L.
Published: May 2016

The ammonolytic intermediates as well as the thermal decomposition products have been characterized by chemical analysis, gas chromatography, ESCA, IR spectroscopy and XRD Depending on the experimental conditions, NbBr5 produces a series of ammonolytic intermediates having metal to halide ratios of 2.0, 1.5, 1.0, 0.83, and 0.75.
ChemInform Abstract: The Intercalation of Lanthanoids Into H3OUO2PO4·3 H2O and C4H9NH3UO2PO4·3 H2O
Authors: POZAS‐TORMO R. , MORENO‐REAL L. , MARTINEZ‐LARA M. , BRUQUE‐GAMEZ S.
Published: May 2016

(denoted as HUP and BAUP) is shown to involve a topotactic process which results in final products derived from HUP having a tetragonal structure.
ChemInform Abstract: Unusual Chemoselectivity Using Difunctional Allylic Alkylating Agents.
Authors: TROST B. M. , TOMETZKI G. B. , HUNG M.‐H.
Published: May 2016

Reaction of the substrate (I) with the difunctional alkylating agent (IV) in the presence of a Pd(0) catalyst according to A) leads to formation of the cyclopropane (II) which arises from the initially formed product (III).
ChemInform Abstract: Inorganic‐Solid‐Supported Potassium Thiocyanate: Study of Reagent Preparation and a Convenient Synthesis of tert‐Alkyl Thiocyanates.
Authors: ANDO T. , CLARK J. H. , CORK D. G. , FUJITA M. , KIMURA T.
Published: May 2016

The increase in the nucleophilic activity of the thiocyanate anion on the surface of insoluble inorganic solids is investigated.
ChemInform Abstract: Two Approaches to Angularly Fused Triquinanes via Intramolecular Pauson‐Khand Cyclization.
Authors: SCHORE N. E. , KNUDSEN M. J.
Published: May 2016

Formation of the angularly fused triquinanes (XIII) and (XVII) is achieved by cyclization of the pentynylcyclopentenes (XII) and (XVI).
ChemInform Abstract: Cyclization of the 1,3‐Dimethyl‐3‐vinylcyclohexyl Carbonium Ion: A Model for Tetracyclic Diterpene Biosynthesis.
Authors: COATES R. M. , KANG H.‐Y.
Published: May 2016

Rearrangement of the methylvinylmethylenecyclohexane (I) followed by hydrolysis produces the dimethylbicyclooctanol (II) which is cleaved by dehydration and ozonolysis, forming the ketone (III).
ChemInform Abstract: Stereoselective Reduction of γ‐Oxo‐γ‐phenylbutanoic Acids.
Authors: FRENETTE R. , KAKUSHIMA M. , ZAMBONI R. , YOUNG R. N. , VERHOEVEN T. R.
Published: May 2016

Reduction of the γ‐oxo acids (III), prepared from (I) as outlined in the reaction scheme, with dibutylaluminum hydride proceeds in a highly stereoselective manner, giving the corresponding γ‐hydroxy acids which are isolated as their lactones (IV) and (V) respectively.
ChemInform Abstract: A New Protocol for the Diastereoselective Formation of Lactones from either Achiral or Chiral Vinylogous Urethanes.
Authors: SCHLESSINGER R. , TATA J. R. , SPRINGER J. P.
Published: May 2016

The enamino esters (I) are coupled with the acyl chlorides (II), yielding the γ‐acyl derivatives (III).
ChemInform Abstract: Efficient Synthesis of 6H‐Pyrido(3,2‐b)carbazole Derivatives from 3‐Amino‐1,3‐dimethylcarbazole.
Authors: LANCELOT J.‐C. , RAULT S. , ROBBA M. , DUNG N. H.
Published: May 2016

Cyclization of the aminocarbazole (V), derived from the bromoindole (I) and hexane‐2,5‐dione (II), with the β‐keto esters (VI) yields the pyridocarbazolones (VII) after pyrolysis.
ChemInform Abstract: Studies on Syntheses and Reactions of Methoxypyridazines. Part 2. Methoxylation of 3,4,6‐Trichloropyridazine.
Authors: NAGASHIMA H. , UKAI K. , ODA H. , MASAKI Y. , KAJI K.
Published: May 2016

Substitution reaction of the dichloromethoxypyridazine (I) with sodium methoxide yields the dimethoxy derivative (II) and a complex which is cleaved to give the isomeric pyridazine (III).
ChemInform Abstract: The Synthesis and Study of New Selenium and Tellurium Heterocyclic π‐Donors.
Authors: LERSTRUP K. , BAILEY A. , MCCULLOUGH R. , MAYS M. , COWAN D. , KISTENMACHER T.
Published: May 2016

The ethyl ether (Ib) of mucobromic acid (Ia) is reduced to give the diol (IIa) which is then converted to the dichloride (IIb).
ChemInform Abstract: 3,4‐Dichalcogen‐Bridged Fluoranthenes as New Electron Donors: A Study on Their Charge‐Transfer Complexes and Radical Cation Salts.
Authors: OTSUBO T. , MIYAMOTO H. , ASO Y. , OGURA F.
Published: May 2016

The dihydroacenaphthene (I) is chlorinated, forming (II) which is converted to the dichloroacenaphthene (IV) by two methods.
ChemInform Abstract: Aliphatic Acid Dihydrazide Derivatives of Dicyclopentadienylzirconium(IV) Dichloride and Their Reactions with β‐Diketones. Formation of Cyclic Compounds.
Authors: SRIVASTAVA V. , PANDEY O. P. , SENGUPTA S. K. , TRIPATHI S. C.
Published: May 2016

The reactions of dicyclopentadienylzirconium(IV) dichloride (III) with bidentate dihydrazides (II) leads to the formation of the complexes (I) or (IV).
ChemInform Abstract: New Drum and Ladder Organooxotin Carboxylates.
Authors: CHANDRASEKHAR V. , SCHMID C. G. , BURTON S. D. , HOLMES J. M. , DAY R. O. , HOLMES R. R.
Published: May 2016

The hexameric compounds (III) are prepared by reacting butylstannanoic acid (I) with the carboxylic acids (II).
ChemInform Abstract: Preparation of Five‐Coordinate (3‐Chloropyridine)(porphinato)iron(III) Complexes.
Authors: SCHEIDT W. R. , GEIGER D. K. , LEE Y. J. , REED C. A. , LANG G.
Published: May 2016

Reaction of equimolar quantities of (I) and (II) leads to the simultaneous preparation of the title complex (III) and a new phase of the previously characterized bis(3‐chloropyridine) complex (IV), which is formed even when the starting complex (I) is in excess.
ChemInform Abstract: 3‐Ferrocenyl‐2H‐thiete and 3‐Ferrocenyl‐2H‐thiete 1,1‐Dioxide.
Authors: SEDERGRAN T. C. , DITTMER D. C.
Published: May 2016

Starting with acetylferrocene (I), the title compounds (VII) and (VIII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Preparation, Properties, and Molecular Structures of a Rigid Tridentate Chelate Ligand N,N′‐Bis(diphenylphosphino)‐2,6‐diaminopyridine with M(II) and M(0) Transition Metals (M(II): Ni, Pd, Pt; M(0): Cr, Mo, W).
Authors: SCHIRMER W. , FLOERKE U. + , HAUPT H.‐J.
Published: May 2016

The 1:2 molar reaction of diaminopyridine (I) with chlorodiphenylphosphine (II) leads to the title ligand (III).
ChemInform Abstract: Equilibrium and Kinetic Studies of Monoaquo Complexes of Platinum(II). Part 1. Formation from Corresponding Chloro Species by Hydrolysis.
Authors: ERICKSON L. E. , GODFREY M. , LARSEN R. G.
Published: May 2016

In order to discuss the mechanism, the rate and equilibrium constants for the hydrolysis of the complexes (I) are determined.
ChemInform Abstract: Equilibrium and Kinetic Studies of Monoaquo Complexes of Platinum(II). Part 2. Dimerization of Pt(dien)(H2O)2+.
Authors: ERICKSON L. E. , ERICKSON H. L. , MEYER T. Y.
Published: May 2016

The dimerization of (I) by reaction with the base (II) to form the μ‐OH‐bridged species (III) is investigated by pH methods.
ChemInform Abstract: Alkaline Cyclization of Ethoxycarbonylhydrazones of 21‐Hydroxy‐20‐oxosteroids into 17β‐(1′,3′,4′‐Oxadiazin‐2′‐ones) and Its Correlation with the Geometry of the Hydrazone Fragment.
Authors: KAMERNITSKII A. V. , TURUTA A. M. , ISTOMINA Z. I. , KOROBOV A. A.
Published: May 2016

The pregnadienone (I) reacts with ethoxycarbonylhydrazine (II) to give an E/Z mixture of the hydrazone (III).
ChemInform Abstract: Diastereoselective Epoxidation of cis‐4‐Amino Allylic Alcohol with m‐Chloroperbenzoic Acid. An Efficient Synthesis of Statine.
Authors: KOGEN H. , NISHI T.
Published: May 2016

The protected amino alcohols (IV), prepared from the amino aldehydes (I), undergo diastereoselective oxidation with MCPBA to give the syn‐ epoxides (V) as the main products.
ChemInform Abstract: Neurotoxic Alkaloids: Synthesis of (.+‐.)‐Anatoxin‐a.
Authors: VERNON P. , GALLAGHER T.
Published: May 2016

The bromosulfone (III), derived from the unsaturated ester (I), undergoes cyclization to form the bicyclic ketone (IVb) after desulfonylation.
ChemInform Abstract: Syntheses with Sulfones. Part 47. Stereoselective Access to 1,3‐ and 1,4‐Dienes Through Hydrogenolysis of Benzenesulfonyldienes. Application to Pheromone Synthesis.
Authors: CUVIGNY T. , HERVE DU PENHOAT C. , JULIA M.
Published: May 2016

Stereospecific reduction of benzenesulfonyl dienes such as (I) with Grignard reagents such as (II) under transition metal catalysis leads to dienes such as (III).
ChemInform Abstract: EPR Characterization of Er3+ and Yb3+ in Single Crystals of Synthetic Perovskite (CaTiO3).
Authors: BOLDU O. J. L. , ABRAHAM M. M. , BOATNER L. A.
Published: May 2016

Single crystals of CaTiO3 (orthorhombic, space group Pcmn, Z=4) doped with either Er3+ (4f11 electronic configuration) or Yb3+ (4f13) are grown by a flux technique.
ChemInform Abstract: 29Si‐MAS‐NMR Investigations on Crystalline Lead Silicates.
Authors: GRIMMER A.‐R. , HOEBBEL D. , GOETZ J. + , MAEGI M. +
Published: May 2016

The 29Si NMR chemical shifts of ten crystalline lead silicates having PbO:SiO2 ratios between 4:1 and 1:1 are measured (reaction conditions, composition and X‐ray data are listed in a table) and, on the basis of the known constitutions, assigned to silicate structural units.
ChemInform Abstract: Haloselenate(IV) Formation and Selenous Acid Dissociation Equilibria in Hydrochloric and Hydrofluoric Acids.
Authors: MILNE J.
Published: May 2016

In solutions of SeO2 in HX (X: F, Cl) an increase of the HX concentration results in a repression of the ionic dissociation of H2SeO3, which then undergoes a stepwise substitution of OH groups by halogen.
ChemInform Abstract: The Effect of F‐ on the Anodic Passivation of Nickel
Authors: MACDOUGALL B. , GRAHAM M. J.
Published: May 2016

has been studied in Na2SO4/NaF solutions (pH 3.0 and 5.0) by electrochemical and surface analytical techniques.
ChemInform Abstract: Oxygen Activity and Asymmetric Polarization at the Sodium/β′′‐Alumina Interface
Authors: MAILHE C. , VISCO S. , DE JONGHE L.
Published: May 2016

have been studied by cyclic voltammetry with Na/β''‐Al2O3/Na cells.
ChemInform Abstract: A Novel Preparation of Keggin‐Type Dodecatungstocobaltate(II) Using (Co(ox)3)3‐ and Hydrogen Peroxide as Starting Materials.
Authors: NOMIYA K. , OCHIAI T. , MIWA M.
Published: May 2016

The dicobalt species (IV) has been prepared in high yield (yield in g) as shown in the scheme.
ChemInform Abstract: The Problem of Perturbation Molecular Orbital Aromaticity Estimates.
Authors: DURKIN K. A. , LANGLER R. F.
Published: May 2016

The Dewar‐Dougherty approach to aromaticity estimates, based on approximate perturbation MO estimated Dewar resonance energies, is shown to be unreliable.
ChemInform Abstract: Electrochemical Reduction of Some o‐Bis(phenylsulfonyl)benzene Derivatives. Effect of the Substrate Structure and of the Addition of Bases on the Product Distribution.
Authors: NOVI M. , GARBARINO G. , PETRILLO G. , DELL'ERBA C.
Published: May 2016

The results from cyclic voltammetry, controlled‐potential electrolysis, and coulometry strongly argue in support of a mechanism of electrochemical reduction of the title compounds (I) involving initial formation of (I)·‐ radical anion which fragments into the radical (II) and PhSO2‐.
ChemInform Abstract: Electro‐Organic Reactions. Part 29. Cathodic Reduction Activated by Arene‐Chromium Tricarbonyl Complexation.
Authors: CHIU Y. L. , SANT'ANA A. E. G. , UTLEY J. H. P.
Published: May 2016

The chromium tricarbonyl complexes of arenes such as (III) ‐ (VII) are electrochemically reduced at potentials lower than the reduction potentials of the corresponding arenes.
ChemInform Abstract: Selective 1,4‐Chiral Induction in the Reaction of Enolates Generated from t‐Butyl δ‐Hydroxy Carboxylates.
Authors: NARASAKA K. , UKAJI Y. , WATANABE K.
Published: May 2016

The lithium enolates generated from (I) are alkylated stereoselectively to give the syn‐alkylated esters (III); (IIIa) is converted to the sex pheromone (V) of the carpenter bee.
ChemInform Abstract: α‐Lithio Phosphonates as Reagents for the Transformation of Functional Groups. Preparation of α‐Substituted α,β‐Unsaturated Aldehydes.
Authors: TAY M. K. , ABOUJAOUDE E. E. , COLLIGNON N. , SAVIGNAC PH.
Published: May 2016

The phosphonates (I) are lithiated and then coupled with the imine (III) to give the adducts (V).
ChemInform Abstract: S‐Aryl(tetramethyl)isothiouronium Salts as Potential Antimicrobial Agents. Part 2.
Authors: TAIT A. , PARENTI C. , DI BELLA M. , BONDI M. , QUAGLIO G.
Published: May 2016

The isothiouronium salts (I) are prepared by procedures know from the literature.
ChemInform Abstract: An Aziridine Route to Chiral β‐Lactams. A Novel Entry to (+)‐Thienamycin.
Authors: TANNER D. , SOMFAI P.
Published: May 2016

The known chiral epoxide (I) is transformed into the aziridine (II) which is tosylated and then reduced to give the amino alcohol (III).
ChemInform Abstract: Indolo(3,2‐b)carbazole: Product of the Reaction of 3,3′‐Bisindolylmethane with Triethyl Orthoformate.
Authors: PINDUR U. , MUELLER J. +
Published: May 2016

The title compound (II) is obtained by treatment of bisindolylmethane (I) with triethyl orthoformate.
ChemInform Abstract: 1,3‐Dipolar Cycloaddition of N‐Oxide with 2‐Methylene‐1,3‐dithiane.
Authors: YAMAMOTO M. , SUENAGA T. , SUZUKI K. , NARUCHI K. , YAMADA K.
Published: May 2016

Cycloaddition reaction of nitrile oxides, derived from the hydroxamoyl chlorides (II), with 2‐methylene‐1,3‐dithiane (I) yields the spiro‐isoxazolines (III).
ChemInform Abstract: O‐Acylation of α‐Diazo Ketones. A Novel Route to Alkenediazonium and 1,3‐Dioxolium Salts.
Authors: LORENZ W. , MAAS G.
Published: May 2016

The diazoketones (I) react with acyl triflates (II), forming the diazonium salts (III), which release nitrogen when warmed to room temperature, giving the dioxolium salts (IV), together with some by‐products such as (V).
ChemInform Abstract: Syntheses of 4‐Aroyl and 4‐Disubstituted Hydroxymethylpyridazin‐3(2H)‐ones and Their 3‐Mercapto Derivatives: Synthesis of 1,3‐Dithiano(4,5‐c)pyridazine as a New Ring System.
Authors: SHAMS N. A. , ENAYAT E. I. , SHALABY A. A. , EL‐ABBADY S. A.
Published: May 2016

The reactions between the pyridazinones (Ia) and (Ib) and the Grignard reagents (II) yield mixtures of the corresponding 4‐aroylpyridazinones (III) and the disubstituted 4‐hydroxymethylpyridazinones (IV), whereas the reaction of (Ia) with the benzylic Grignard reagent (V) affords only the 4‐aroyl compound (VI) and the reaction of (Ib) with (V) gives only the 4‐hydroxymethyl compound (VII).
ChemInform Abstract: Studies on 3,5‐Diaminopyrazoles: Synthesis of New Polyfunctionally Substituted Pyrazoloazines and Pyrazoloazoles.
Authors: IBRAHIM N. S. , SADEK K. U. , ABDEL‐AL F. A.
Published: May 2016

Condensation reaction of the diaminopyrazole (I) with the olefinic derivatives (II), (IV), (VI), and the nitriles (VIII) yields the pyrazolopyrimidines (III), (V), (VII), and (IX) ‐ (XI).
ChemInform Abstract: Reactions of Carbodiimides with Substituted Malonic Dichlorides. Part 1.
Authors: RIED W. , NENNINGER H.
Published: May 2016

The disubstituted malonic acid dichlorides (I) react with the carbodiimides (II), producing the dichlorodihydropyrimidinediones (III).
ChemInform Abstract: Synthesis and Biological Activity of 7,8‐Substituted Theophyllines.
Authors: GLUSHKOV R. G. , OVCHAROVA I. M. , KOPTENKOVA V. A. , NIKITIN V. B. , KAMINKA M. E. , MASHKOVSKII M. D.
Published: May 2016

The theophylline derivatives (VII) and (IX), which have morpholine or piperidine fragments in position 8 and strongly basic amidinoalkyl groups in position 7, are prepared as shown in the reaction scheme.
ChemInform Abstract: Regiocontrolled Synthesis of 4‐Halo‐5,6‐dihydro‐4H‐1,2‐oxazines; a Novel Route for α‐Fluorovinyl Ketones.
Authors: SHATZMILLER S. , LIDOR R. , SHALOM E.
Published: May 2016

Treatment with halogens of the lithiated derivative obtained from the oxazine (I) yields the 4‐halo derivatives (II).
ChemInform Abstract: Methylhydrazone Function as a Neighbouring Group in Amine Dehydrogenations.
Authors: MOEHRLE H. + , SCHILLINGS P.
Published: May 2016

The methylhydrazones (I) and (IV) containing cyclic amines have been prepared by procedures known from the literature.
ChemInform Abstract: New Synthesis of N‐Substituted Bis(silyl)imines.
Authors: ITO Y. , NISHIMURA S. , ISHIKAWA M.
Published: May 2016

The disilanes (I) react with the isonitriles (II) in the presence of the Pd‐catalyst (III), producing the N‐substituted bis(silyl)imines (IV).
ChemInform Abstract: Carbon‐Carbon Bond Forming Reactions via α‐Phosphoryl‐α‐thio Carbocations.
Authors: ISHIBASHI H. , SATO T. , IRIE M. , ITO M. , IKEDA M.
Published: May 2016

The phosphonate (Ia) reacts with arenes (III), (IV), (VI), or (IX) in the presence of a Lewis acid to give the Friedel‐Crafts products (II), (V), (VII) + (VIII), or (X).
ChemInform Abstract: Synthesis of New Macrocyclic Tetraphosphonium Salts.
Authors: VINCENS M. , GRIMALDO MORON J. T. , PASQUALINI R. , VIDAL M.
Published: May 2016

1,2‐Diphenylphosphinoethane (I) is coupled with the isomeric 1,4‐dichloro‐2‐butenes (II) to give the tetraphosphonium salt (III) which is hydrogenated, yielding the saturated system (IV).
ChemInform Abstract: Stabilization of the (AlMe2)+ Cation by Crown Ethers.
Authors: BOTT S. G. , ALVANIPOUR A. , MORLEY S. D. , ATWOOD D. A. , MEANS C. M. , COLEMAN A. W. , ATWOOD J. L.
Published: May 2016

The title ion has been observed during attempts to trap species related to Ziegler‐Natta catalysis with crown ethers.
ChemInform Abstract: The First Direct Evidence for a Cram Chelate.
Authors: REETZ M. T. , HUELLMANN M. + , SEITZ T.
Published: May 2016

Treatment of the ketone (I) with MeTiCl3 (II) or with the more reactive agents MeMgCl or MeLi yields the "chelate‐controlled" diastereomer (VII) as the sole product.
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 41. Novel Rhenium(V) Carbonato and Sulfato Chelate Complexes: Synthesis and Investigation of Molecular Dynamics by 17O NMR Spectroscopy.
Authors: HERRMANN W. A. , JUNG K. A. , SCHAEFER A. + , KNEUPER H.‐J.
Published: May 2016

The title complexes (I) and (V) are quite easily synthesized from (III) and the appropriate silver salts.
ChemInform Abstract: Studies of the Pyridine‐Containing Tetra‐azamacrocycle 3,7,11‐Trimethyl‐3,7,11,17‐tetra‐azabicyclo(11.3.1)heptadeca‐1(17),13,15‐triene (L1) and Its Complexes with Ni2+, Cu2+, and Zn2+. Crystal Structures of the Unsymmetric Isomer of (Ni(L1)) (ClO4)2, and the Five‐Coordinate Complexes (Ni(L1)(dmso)) (ClO4)2 (dmso: dimethyl sulfoxide) and (Ni(L1)Cl)ClO4.
Authors: ALCOCK N. W. , MOORE P. , OMAR H. A. A.
Published: May 2016

The four‐ and five‐coordinate complexes (I) and (II), the Zn complexes (III) and (IV), as well as the six‐coordinate binuclear complex (V) are prepared and investigated by 13C NMR and UV.
ChemInform Abstract: Binuclear Copper(I) Complexes Containing Bis(diphenylphosphino)methane Bridging Ligands: Crystal Structure of (Cu2(μ‐dppm)2(MeCN)4) (ClO4)2.
Authors: DIEZ J. , GAMASA M. P. , GIMENO J. , TIRIPICCHIO A. , TIRIPICCHIO CAMELLINI M.
Published: May 2016

Depending on the reaction conditions the novel, air‐stable complexes (III)‐(V), in which the copper atoms are bridged only by the diphosphine ligands, are obtained as shown.
ChemInform Abstract: Novel Basic Ligands for the Homogeneous Catalytic Methanol Carbonylation. Part 8. (Tetrahydrofurfuryl)phosphane Complexes of Rhodium(I) with Reactive Rhodium‐Oxygen Bonds.
Authors: LINDNER E. , ANDRES B.
Published: May 2016

The cationic complexes (IV) are obtained by Cl‐ abstraction from (III), the liberated coordination position being ligated to the furfuryl oxygen of the phosphine.
ChemInform Abstract: Synthesis and Resolution of Albicanic Acid. Simple Access to Optically Active Drimane Sesquiterpenes.
Authors: RAGOUSSIS V. , LIAPIS M. , RAGOUSSIS N.
Published: May 2016

Hydrolysis of the methylester (±)‐(Ia) using Dean's reagent yields the racemic albicanic acid (±)‐(Ib), which undergoes optical resolution to give (+)‐(Ib) and (‐)‐(Ib) with enantiomeric purities of > 95%.
ChemInform Abstract: Asymmetric Synthesis of Methyl α‐Alkyl‐valinates, ‐leucinates, and ‐isoleucinates Using (Cyclohexylidene‐Protected) D‐Galactodialdehyde as Chiral Auxiliary.
Authors: SCHOELLKOPF U. + , TOELLE R. + , EGERT E. , NIEGER M.
Published: May 2016

The Schiff bases (III), formed from the components (I) and (II), are diastereoselectively alkylated to the products (V).
ChemInform Abstract: The “Normalizing Factor” for the Tomato Mutant chloronerva. Part 25. Synthesis of 2‐Epinicotianamine and Nicotianamine.
Authors: RIPPERGER H. , SCHREIBER K.
Published: May 2016

The synthesis of 2‐epinicotianamine (V) and a novel synthesis of nicotianamine (VII) are reported.
ChemInform Abstract: Glycosyl Imidates. Part 25. Muramic Acid as Glycosyl Donor and Glycosyl Acceptor.
Authors: KINZY W. , SCHMIDT R. R.
Published: May 2016

The muramic acid derivatives (Ib) or (Ia), which are accessible from the respective 4‐O‐unsubstituted muramic acid derivatives, are readily transformed into the glycosyl acceptor (IIIb) or the glycosyl donor (Xb) as shown in the scheme.
ChemInform Abstract: Synthesis of 2,2‐Di‐C‐methyl‐2‐deoxy‐ and 4,4‐Di‐C‐methyl‐4‐deoxypyranosides via Michael Addition of Conjugated Enopyranosiduloses.
Authors: KAWAUCHI N. , SATO K. , YOSHIMURA J. , HASHIMOTO H.
Published: May 2016

Michael addition of (V) to (I), (III) and (VI) yields the gem‐dimethyl compounds (II), (IV) and (VII).
ChemInform Abstract: Application of Aziridine to the Facile Synthesis of (.+‐.)‐Supinidine (XI) and (.+‐.)‐Trachelanthamidine (VI).
Authors: KAMETANI T. , HIGASHIYAMA K. , OTOMASU H. , HONDA T.
Published: May 2016

The synthons (V) and (X) are prepared from the common intermediate (IV) as shown in the scheme.
ChemInform Abstract: Synthesis of Pheromones with Acetal Structures via Radical C‐C Bond Formation.
Authors: GIESE B. , BARTMANN D. , HASSKERL T.
Published: May 2016

The spirocyclic acetals (IV) and (V) (pheromone type of Andrena bees) and exo‐brevicomin (XIII) (pheromone of Scolytidae beetles) are synthesized as racemates via radical additions to divinyl ketone (II) and methyl vinyl ketone (X), respectively.
ChemInform Abstract: Exo‐ and Endohormones. Part 11. Synthesis of Monounsaturated Sex Pheromones of Lepitoptera via α‐Diketones.
Authors: OPREAN I. , CIUPE H. , GANSCA L. , HODOSAN F.
Published: May 2016

The α‐diketones (V) are prepared starting from the cyanohydrines (I) or from N,N‐diethyl oxamate (VI).
ChemInform Abstract: Improved Charge Separation and Photosensitized H2 Evolution from Water with TiO2 Particles on Colloidal SiO2 Carriers.
Authors: FRANK A. J. , WILLNER I. , GOREN Z. , DEGANI Y.
Published: May 2016

The results of a detailed photolysis study demonstrate that electrostatic effects produce a dramatic improvement in the kinetics for charge separation and H2 production in aqueous systems of TiO2‐modified SiO2 colloids in combination with a zwitterionic electron relay (e.g.
ChemInform Abstract: Photoassisted Catalytic Dissociation of H2O to Produce Hydrogen on Partially Reduced α‐Fe2O3.
Authors: KHADER M. M. , VURENS G. H. , KIM I.‐K. , SALMERON M. , SOMORJAI G. A.
Published: May 2016

The photoproduction of H2 from H2O has been investigated using undoped Fe2O3 powders or polycrystalline pellets which are clearly shown to act as catalyst.
ChemInform Abstract: Structures, Relative Stabilities and Barriers to Internal Rotation of Isomeric Monothioformic Acids.
Authors: SO S. P.
Published: May 2016

The structures of isomeric H‐CO‐SH and H‐CS‐OH are optimized by the energy gradient method at the SCF level using GAUSSIAN 80 programs.
ChemInform Abstract: Trigonal Benzenoid Hydrocarbons.
Authors: CYVIN S. J. , CYVIN B. N. , BRUNVOLL J.
Published: May 2016

A modified (symmetry‐adapted) method of fragmentation is developed for determination of the number of Kekule structures (K) in benzenoids.
ChemInform Abstract: Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules
Authors: CHOWDHURRY S. , GRIMSRUD E. P. , KEBARLE P.
Published: May 2016

(equilibria of anions such as (I) and (II) with the solvent molecules MeOH, MeCN, DMSO, THF in a pulsed electron high‐pressure mass spectrometer.
ChemInform Abstract: Photolysis of Mono‐, Di‐, and Tribenzylamine and the Novel Photocarbylamine Reaction.
Authors: BADR M. Z. A. , ALY M. M. , MAHGOUB S. A. , FAHMY A. M. , ABDEL‐LATIF F. F.
Published: May 2016

The benzylamines (I) ‐ (III) are photochemically cleaved to form benzaldehyde (IV), toluene (V), benzyl isocyanide (VI), benzyl chloride (VII), and (I) and (II) by irradiation in carbon tetrachloride or chloroform.
ChemInform Abstract: Autoxidation of γ‐Butyrolactone.
Authors: PERKEL' A. L. , FREIDIN B. G. , IVKO E. V.
Published: May 2016

Autoxidation of γ‐butyrolactone (I) gives succinic acid (II).
ChemInform Abstract: A Brief, Convergent, Regioselective Synthesis of Naphthoquinones. A Formal Synthesis of Nanaomycin A and Deoxyfrenolicin.
Authors: DECKER O. H. W. , MOORE H. W.
Published: May 2016

Regioselective alkynylation of the dione (I) with the lithium salts (II) yields the adducts (III) as the main products.
ChemInform Abstract: A Route to Conformationally Restricted Antioestrogens by Coupling of a Vinyl Triflate with an Arylzinc Chloride.
Authors: MCCAGUE R.
Published: May 2016

Methylbenzosuberone (I) is converted to its enol triflate (II) which reacts with the arylzinc chlorides (III) in the presence of a Pd catalyst, yielding the substitution products (IV), which cannot be obtained otherwise.
ChemInform Abstract: Asymmetric Induction in 1,3‐Dipolar Cycloaddition of Diazofluorene with Menthyl or 8‐Phenylmenthyl Acrylate and Fumarate Derivatives.
Authors: OKADA K. , SAMIZO F. , ODA M.
Published: May 2016

The menthyl acrylates and fumarates (I) undergo 1,3‐dipolar cycloaddition reaction with the diazofluorene (II) to give the spirocyclic menthyl esters (III).
ChemInform Abstract: Oxazoles are Masked Carboxyls that Activate Ortho‐Leaving Groups in Nucleophilic Aromatic Substitution.
Authors: CRAM D. J. , BRYANT J. A. , DOXSEE K. M.
Published: May 2016

The 2‐aryloxazoles (I), (VII), and (XI) are coupled with the Grignard reagents (II) and (V) or the aryllithium compounds (VIII), yielding the polyaryl derivatives (III), (VI), (IX), and (XII).
ChemInform Abstract: New Method for the Synthesis of Podoblastin Derivatives and 3‐Acyltetronic Acids.
Authors: KAWAKAMI H. , HIROKAWA S. , ASAOKA M. , TAKEI H.
Published: May 2016

The alkynols (I) or (VII) react with the nitriloxides derived from the nitro compounds (II), yielding the isoxazoles (III) and (VIII).
ChemInform Abstract: Studies on Asymmetric Synthesis of β‐Hydroxy‐δ‐lactone Inhibitors of HMGCoA Reductase. Part 1. A New Preparation of the Lactone Moiety of Compactin.
Authors: BONADIES F. , DI FABIO R. , GUBBIOTTI A. , MECOZZI S. , BONINI C.
Published: May 2016

A new method of preparing chiral β‐hydroxy‐δ‐lactones is described, as outlined in the reaction scheme.
ChemInform Abstract: Synthesis of Benzo(1,2‐b:5,4‐b′)dipyran Derivatives.
Authors: GOHAR A.‐K. M. N. , ABDEL‐LATIF F. F. , EL‐KTATNY M. S.
Published: May 2016

The reaction of the benzopyran derivative (I), obtained from visnagin, with active methylene compounds is investigated.
ChemInform Abstract: Synthesis of Mono‐ and Dibromomethyl Derivatives of Thieno(2,3‐d)pyrimidines.
Authors: KAPLINA N. V. , GRINEV A. N. , BOGDANOVA G. A. , ALEKSEEVA L. M. , PUSHKINA T. V. , FOMINA A. N. , SHVEDOV V. I.
Published: May 2016

Bromination of the 6‐methylthienopyrimidines (IV) gives the (di)bromomethyl derivatives (V) and (VI) or the 5‐bromo compound (VII) depending on the reaction conditions.
ChemInform Abstract: Reactions of Organic Anions. Part 138. Vicarious Nucleophilic Substitution of Hydrogen versus Bis‐Annulation in the Reaction of Chloromethyl Aryl Sulfone Carbanion with Electrophilic Arenes.
Authors: MAKOSZA M. , GLINKA T. , OSTROWSKI S. , RYKOWSKI A.
Published: May 2016

The 1‐cyanonaphthalenes (I) react with the carbanion derived from chloromethyl p‐tolyl sulfone (II) to yield either the cyclopropano‐fused derivatives (III) ‐ (V) and (VIII) or the substitution products (VI), (VII), and (IX).
ChemInform Abstract: Carbon Monosulfide Chemistry in Solution. Part 4. Studies on the Reactivity of Carbon Monosulfide Toward Amines and Thiols.
Authors: MOLTZEN E. K. , KRAMER M. P. , SENNING A. , KLABUNDE K. J.
Published: May 2016

Carbon monosulfide (II) reacts with the amines (I) to give predominantly the expected thioformamides (III).
ChemInform Abstract: Aromatic Derivatives of 2H‐Pyrimido(5,6‐b)‐1,4‐thiazine.
Authors: ORLOV V. D. , TUENI M. , KOLOS N. N. , PAPIASHVILI I. Z.
Published: May 2016

Reaction of the aminomercaptopyrimidines (I) with the bromoacetophenones (II) leads to the formation of the title compounds (III).
ChemInform Abstract: Diethyl 3,6‐Dihydro‐2,4‐dimethyl‐2,6‐methano‐1,3‐benzothiazocine‐5,11‐ dicarboxylates as Calcium Entry Antagonists: New Conformationally Restrained Analogues of Hantzsch 1,4‐Dihydropyridines Related to Nitrendipine as Probes for Receptor‐Site Conformation.
Authors: BALDWIN J. J. , CLAREMON D. A. , LUMMA P. K. , MCCLURE D. E. , ROSENTHAL S. A. , WINQUIST R. J. , FAISON E. P. , KACZOROWSKI G. J. , TRUMBLE M. J. , SMITH G. M.
Published: May 2016

Oxidation of the thioether (I) yields the corresponding sulfoxide which undergoes a Pummerer rearrangement with sodium acetate, yielding the masked thiol (II).
ChemInform Abstract: One‐Step Synthesis of Stabilized Phosphonates.
Authors: KANDIL A. A. , PORTER T. M. , SLESSOR K. N.
Published: May 2016

The phosphonates (III) are obtained from the nitriles, nitroalkanes, and esters (I) on treatment with bases and subsequent phosphonylation with diethyl chlorophosphonate (II).
ChemInform Abstract: Catalytic Oxygenation of Pyrocatechols by O2 in the Presence of Vanadium. Synthesis, Characterization, Electronic Structure and Reactivity of the Vanadium(IV)/Tetrachloro‐o‐quinone System.
Authors: GALEFFI B. , POSTEL M. , GRAND A. , REY P.
Published: May 2016

The diamagnetic, dark blue complex (III) (IR, 17O NMR, EHT calculations) catalyzes the oxygenation of the hydroquinone (IV).
ChemInform Abstract: First Examples of Complexes Containing η1‐Bonded Phosphaalkynes Synthesis and Crystal and Molecular Structure of trans‐(Mo(Ad‐CP)2(Et2P‐(CH2)2‐PEt2)2) (Ad: Adamantyl).
Authors: HITCHCOCK P. B. , MAAH M. J. , NIXON J. F. , ZORA J. A. , LEIGH G. J. , ABU BAKAR M.
Published: May 2016

The title complexes (I) and (II) are prepared from the corresponding N2‐complexes via substitution of N2.
ChemInform Abstract: Mononuclear Oxo‐ and Sulfidomolybdenum(IV) Complexes: Syntheses and Crystal Structures of (HB(Me2C3N2H)3)MoE(S2CNEt2) (E: O, S) and Related Complexes.
Authors: YOUNG C. G. , ROBERTS S. A. , ORTEGA R. B. , ENEMARK J. H.
Published: May 2016

The green, diamagnetic, air‐stable complexes (IVa)‐(IVc) are prepared by the reaction of the complexes (I) with the salt (II) in refluxing toluene.
ChemInform Abstract: Steroidal aci‐Nitroamines: Intermediates for Denitroamination.
Authors: AHMAD M. S. , RAZA S. K.
Published: May 2016

Title compounds of type (II) and (V) are obtained by treatment of the cholestanes (I) and (IV) according to A).
ChemInform Abstract: Synthesis and Evaluation of Novel Activated Mixed Carbonate Reagents for the Introduction of the 2‐(Trimethylsilyl)ethoxycarbonyl(Teoc)‐Protecting Group.
Authors: SHUTE R. E. , RICH D. H.
Published: May 2016

2‐Trimethylsilylethanol (I) is converted to the chloroformate (II) and then coupled with the N‐hydroxy derivatives (III) to produce the carbonates (IV).
ChemInform Abstract: A General Synthesis of cis Perhydro‐3,6‐isoquinolinediones Related to the Alloyohimbane Alkaloids.
Authors: STORK G. , LIVINGSTON D. A.
Published: May 2016

The benzylamines (I) undergo Birch reduction and subsequent acylation to give the ester amides (III) which are cyclized to form the bicyclic systems (IV).
ChemInform Abstract: High‐Temperature Characteristics of Transition Al2O3 Powder with Ultrafine Spherical Particles.
Authors: HIRAYAMA T.
Published: May 2016

Spherical particles of Al2O3, prepared by evaporating Al by an arc discharge in an Ar atmosphere containing O2, show superior high‐temp.
ChemInform Abstract: Chemical Species in Solutions of Sulfur in Liquid Ammonia.
Authors: DUBOIS P. , LELIEUR J. P. , LEPOUTRE G.
Published: May 2016

Absorption and Raman spectra of solutions of sulfur in liquid ammonia, obtained for the first time vs.
ChemInform Abstract: Square‐Planar Hg4‐Clusters in the Compound CsHg.
Authors: DEISEROTH H.‐J. , STRUNCK A.
Published: May 2016

CsHg crystallizes in the space group P1, Z=4.
ChemInform Abstract: Kinetics of the Formation and Hydrolysis Reactions of Some Thiomolybdate(VI) Anions in Aqueous Solution.
Authors: CLARKE N. J. , LAURIE S. H. , BLANDAMER M. J. , BURGESS J. , HAKIN A.
Published: May 2016

The kinetics of the formation of the anions (II) and (III) have been determined spectroscopically (UV/VIS) by addition of excess sulfide to (I) in buffered (pH 6‐8) aqueous solution.