bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Convenient Synthesis of Chiral trans‐2‐Phenylcyclopropanecarboxylic Acid.
Authors: CHO N. S. , SHIN D. H. , LEE C. C. , RA D. Y.
Published: May 2016

The (S,S)‐configurated title compound (III) is prepared starting from styrene (I) and l‐menthyldiazoacetate (II) with 95% diastereomeric and 98% optical purity using a chiral (R)‐configurated Cu complex.
ChemInform Abstract: A New Approach to Polyfunctional 3(2H)‐Furanones.
Authors: ANTONIOLETTI R. , BONADIES F. , PRENCIPE T. , SCETTRI A.
Published: May 2016

Selective oxidative opening of the heterocyclic nucleus of the furans (Ia)‐(Ic) or of the deacylated derivatives (IV) allows the one‐pot synthesis of the furanones (II) together with the side products (III) as well as of the furanones (V).
ChemInform Abstract: Syntheses with Nitriles. Part 80. Dicyanomethylenepyrazolinones and Their Chromophoric Properties.
Authors: JUNEK H. , KLADE M. , STERK H. , FABIAN W.
Published: May 2016

The pyrazolinones (I) react with the title compound (II) to yield the deeply colored dicyanomethylene derivatives (III).
ChemInform Abstract: Synthesis and Physicochemical Studies on 1,2‐Bisazolylethanes.
Authors: TORRES J. , LAVANDERA J. L. , CABILDO P. , CLARAMUNT R. M. , ELGUERO J.
Published: May 2016

20 Symmetrical as well as asymmetrical 1,2‐bisazolylethanes such as (Va) ‐ (Ve) are prepared as outlined in the reaction scheme.
ChemInform Abstract: Reactions with Monothiomalonamides: Synthesis of Polysubstituted Thiazoles.
Authors: EL‐REEDY A. M. , HUSSAIN S. M. , YOUSSEF M. M. M.
Published: May 2016

The reactions of the title compounds (I) with the diazonium salts (II) or the haloketones (IV) afford the products (III) or (V).
ChemInform Abstract: Unsymmetrical Bichromonylbenzene Derivatives from Formylflavones.
Authors: WURM G. , NORDMANN M.
Published: May 2016

The formylflavones (III), (VIII), (XII), and (XIV) are prepared via bromination of the corresponding methyl derivatives (I), (IV), (IX), or (XIII) and subsequent acidic hydrolysis.
ChemInform Abstract: 1,2‐ and 1,4‐Dihydropyridine from 4‐Oxo‐4H‐chromene‐3‐carbaldehyde.
Authors: GOERLITZER K. + , MICHELS K.
Published: May 2016

A mixture of the 1,2‐ (III) and 1,4‐dihydropyridines (IV) is obtained by coupling the aldehyde (I) mentioned in the title with the β‐aminocrotonates (II).
ChemInform Abstract: Synthesis and Crystal Structure of Cyclotris(m‐phenylene Sulfide).
Authors: SERGEEV V. A. , OVCHINNIKOV YU. E. , NEDEL'KIN V. I. , ASTANKOV A. V. , ANDRIANOVA O. B. , SHKLOVER V. E. , ZAMAEV I. A. , STRUCHKOV YU. T.
Published: May 2016

The title compound (III) is isolated by fractionated extraction from the polycondensation product of m‐dibromobenzene (I) with sodium sulfide(II).
ChemInform Abstract: Organic Disulfides and Related Substances. Part 48. Cyclic Di‐ and Trisulfides Based on 1,4‐Dithiols.
Authors: SINGH P. K. , FIELD L. , SWEETMAN B. J.
Published: May 2016

The cyclic trisulfide (III) is prepared from the bis(sulfothiomethyl)benzene (I), the dibromide (IV), or the bis(thiosulfonate) (VI) by treatment with the sodium sulfide (II) or (V).
ChemInform Abstract: Organic Synthesis Using PTC. Part 4. Synthesis of Cyclic Ethers Using Phase‐Transfer Catalysis.
Authors: SINGH P. , ARORA G.
Published: May 2016

The o‐bis(halomethyl)benzenes (I) react with pyrocatechol (II) in the presence of aqueous or solid potassium hydroxide and a phase‐transfer catalyst to form the dibenzodioxocins (III).
ChemInform Abstract: The Preparation of β‐(3‐Silylallenyl) Alcohols. Useful Synthetic Intermediates.
Authors: BOVICELLI P. , MINCIONE E. , PARSONS P. J.
Published: May 2016

The silylated enynes (III), prepared by Wittig olefination of the acetylsilylacetylene (I), undergo rearrangement upon reduction with lithium alanate, producing the allenic alcohols (IV) or (V) mentioned in the title.
ChemInform Abstract: Synthesis, Structural Characterization, and Electronic Properties of the (Fe6S6X6(M(CO)3)2)n‐ Anions (M: Mo, W; n = 3, 4; X: Cl, Br, I). Heteronuclear Clusters of Possible Structural Relevance to the Fe/Mo/S Center in Nitrogenase.
Authors: COUCOUVANIS D. , SALIFOGLOU A. , KANATZIDIS M. G. , DUNHAM W. R. , SIMOPOULOS A. , KOSTIKAS A.
Published: May 2016

The title compounds (III) are prepared under strictly anaerobic and moisture‐free conditions.
ChemInform Abstract: Transition‐Metal Pteridine Complexes. Preparation and Characterization of Cobalt(II) Pteridines.
Authors: BURGMAYER S. J. N. , STIEFEL E. I.
Published: May 2016

The synthesis of the complexes is easily accomplished in aqueous or aprotic solution.
ChemInform Abstract: Metal Complexes of the Diuretic Drug Furosemide.
Authors: HONDRELLIS V. , KABANOS T. , PERLEPES S. P. , TSANGARIS J. M.
Published: May 2016

The new light‐sensitive complexes (I)‐(IV) are prepared by reaction of the ligand in water with an equimolar amount of NaOH and the appropriate metal chloride in a yield of 65‐80%.
ChemInform Abstract: Potentiometric Study of the Complexation of Arsenic(III) by Chloride Ions.
Authors: PESAVENTO M.
Published: May 2016

The As(OH)3‐Cl‐ equilibria are studied in 5 M (Na,H)Cl, 5 M (Li,H)Cl, and 5 M H(Cl,ClO4) media at 25 °C by means of standard potentiometric methods, based on potential measurements of the redox couple As(V)/As(III) against a glass electrode.
ChemInform Abstract: Synthesis and Antiulcer Activity of 3‐Aryl‐2‐propenethioic Acid O‐Ethyl Esters.
Authors: GUERRERA F. , SARVA M. C. , SIRACUSA M. A. , RONSISVALLE G. , CONFORTO G. , DIBENNARDO S. , FAILLA G. , MATERA M.
Published: May 2016

The title compounds (III), obtained by base‐induced coupling of the benzaldehydes (I) with the thioester (II), are evaluated for their antiulcer activity.
ChemInform Abstract: Condensation of Acyl Chloride on Sodium Cyanate: Preparation of Acyl Isocyanates.
Authors: DENG M.‐Z. , CAUBERE P. , SENET J. P. , LECOLIER S.
Published: May 2016

SnCl4 is found to be the best catalyst among several metal halides studied for the reaction of aroyl chlorides such as (I) with NaOCN (II) (→ (III)) using o‐dichlorobenzene as an inexpensive efficient solvent.
ChemInform Abstract: Radioprotective Properties of Pyrrolidone‐Containing Heterocyclic Analogues of S‐Aminoalkylisothioureas.
Authors: GOLOMOLZIN B. V. , TARAKHTII E. A. , TREGUBENKO I. P. , RYAZANOVA G. A. , SIDEL'KOVSKAYA F. P. , PONOMARENKO V. A. , VLASOVA M. M.
Published: May 2016

The N‐chloropropylpyrrolidones (I) are coupled with the quinazolones (II), thiourea (IV), or the tetrazolinethione (VI) to give the condensation products (III), (V), and (VII).
ChemInform Abstract: Reactions of Furoxano(3,4‐b)quinoxaline with Alkynes and Alkenes. Synthesis of Pyrazino(2,3‐b)quinoxaline 1,4‐Dioxides.
Authors: VRETTOU M. S. , GALLOS J. K. , NICOLAIDES D. N.
Published: May 2016

The furoxane (I) reacts with the alkynes (II) to give the addition products (III).
ChemInform Abstract: Stereochemistry of the Reactions of Trimethylgermyl Anions with 4‐tert.‐Butylcyclohexyl Derivatives.
Authors: MOCHIDA K. , KUGITA T.
Published: May 2016

Germylation of the cis‐ and trans‐bromides (I) yields mixtures of the cis‐ and trans‐germanes (III) and (IV).
ChemInform Abstract: Activation of Methane by the Reactive Intermediate Tris(trimethylphosphine)osmium(0).
Authors: HARPER T. G. P. , SHINOMOTO R. S. , DEMING M. A. , FLOOD T. C.
Published: May 2016

Pyrolysis of (I) under methane gas results in formation of a mixture of the cyclometalated compound (III) and the methylhydride complex (IV) as the only significant products with the latter in yields of up to 16%.
ChemInform Abstract: Preparation of the 8,9‐Epoxide of the Mycotoxin Aflatoxin B1: The Ultimate Carcinogenic Species.
Authors: BAERTSCHI S. W. , RANEY K. D. , STONE M. P. , HARRIS T. M.
Published: May 2016

The title epoxide (II) (no yield given) is presumed to be the metabolite which is responsible for the mutagenic properties of aflatoxin B1 (I).
ChemInform Abstract: Organophosphorus Analogues and Derivatives of the Natural L‐Amino Carboxylic Acids and Peptides. Part 3. Synthesis and Enzyme‐Substrate Interactions of D‐, DL‐, and L‐5‐Dihydroxyphosphinyl‐3,4‐didehydronorvaline and Their Cyclic Analogues and Derivatives.
Authors: NATCHEV I. A.
Published: May 2016

The natural phosphorus containing amino acid didehydronorvaline (VIII), a hydrolysis product of the antibiotic tripeptides Plumbemicin A and B, is prepared in its (±), L and D forms starting from the bromobutenal (I).
ChemInform Abstract: Interaction Chemistry Between Molybdena and Alumina: Infrared Studies of Surface Hydroxyl Groups and Adsorbed Carbon Dioxide on Aluminas Modified with Molybdate, Sulfate, or Fluorine Anions.
Authors: OKAMOTO Y. , IMANAKA T.
Published: May 2016

The IR spectroscopic results reveal that the chemical reactivity and surface concentration of OH‐groups control the interaction modes between γ‐Al2O3 and anionic species (molybdate, sulfate, fluoride), i.e., they control the dispersion, distribution, and configuration of the anion on the support.
ChemInform Abstract: Synthesis and Nitration of Some 4‐Cyclopropyl‐ and 4‐(p‐Cyclopropylphenyl)‐2‐aminothiophenes.
Authors: SURIKOVA T. P. , ZAKHAROVA V. D. , MOCHALOV S. S. , SHABAROV YU. S.
Published: May 2016

Cyclization of the alkylidenecyanoacetic acid derivatives (III), prepared from the ketones (I) and the cyanoacetic acid derivatives (II), with elemental sulfur (IV) gives the aminothiophenes (V).
ChemInform Abstract: The Reactions of Hydrazones and Related Compounds with Strong Bases. Part 4. 4,5‐Diaryl‐1,2,3‐triazoles from Aromatic Aldehyde Azines and from the Reaction of Arenecarbonitriles with Aryldiazomethanes.
Authors: GRUNDON M. F. , KHAN E. A.
Published: May 2016

Reaction of aromatic aldehyde azines such as (I) with KOtBu yields diaryltriazoles such as (II).
ChemInform Abstract: Synthesis and Properties of Ten‐Membered Cyclodiynes with One or Two Hetero Atoms.
Authors: GLEITER R. , RITTINGER S.
Published: May 2016

The α,ω‐diynes (I) undergo twofold metalation with the organometallic reagents (II) to yield the intermediates (III).
ChemInform Abstract: Germanium(II)‐Inserted η5‐closo‐Germacarboranes and Their Donor‐Acceptor Complexes. Crystal Structure of 1‐Ge(C10H8N2)‐2,3‐(Me3Si)2‐2,3‐C2B4H4.
Authors: HOSMANE N. S. , ISLAM M. S. , PINKSTON B. S. , SIRIWARDANE U. , BANEWICZ J. J. , MAGUIRE J. A.
Published: May 2016

The 1:2 molar reaction of GeCl4 (II) with the nido‐carborane dianionic salts generated from the monoanionic salts (I) produces the η5‐closo‐germacarboranes (III) as air‐sensitive liquids and additional the Ge(IV)‐inserted derivatives (IV) of commo‐bis(germacarborane).
ChemInform Abstract: Oxidation of Amino Acids Coordinated to Cobalt(III).
Authors: HAMMERSHOI A. , HARTSHORN R. M. , SARGESON A. M.
Published: May 2016

Treatment of the glycinato complex (Ia) with N,N‐dimethylformamide (II) and thionyl chloride results in formylation and oxidation, producing the N‐formyloxamato complex (III).
ChemInform Abstract: Enantioselective Microbial Reduction of Transition‐Metal Complexed Aromatic Ketones.
Authors: GILLOIS J. , BUISSON D. , AZERAD R. , JAOUEN G.
Published: May 2016

Treatment of racemic indanonechromium pentacarbonyl complex (±)‐(I) with bakers' yeast gives the diastereomeric alcohols (II) and (III) and the enantiomer (+)‐(I) which is reduced, forming the alcohol (+)‐(IV).
ChemInform Abstract: Preparation and Performance of Silica‐Supported V2O5 on TiO2 Catalyst for the Selective Reduction of NO with NH3.
Authors: VOGT E. T. C. , BOOT A. , VAN DILLEN A. J. , GEUS J. W. , JANSSEN F. J. J. G. , VAN DEN KERKHOF F. M. G.
Published: May 2016

A preparation technique is described that allows the replacement of the bulk TiO2 in V2O5/TiO2 catalysts by silica and leads to low‐cost catalysts which are highly active, selective, and resistant to SO2.
ChemInform Abstract: Nickel and Molybdenum Sulfides Loaded into Zeolites: Activity for Catalytic Hydrogenation.
Authors: LEGLISE J. , JANIN A. , LAVALLEY J. C. , CORNET D.
Published: May 2016

It is found that Ni and Mo incorporated in zeolite Y are able to combine to a mixed NiMo‐sulfide phase leading to a catalyst with hydrogenation properties close to that of NiMoS/Al2O3.
ChemInform Abstract: New Multidentate Ligands. Part 29. Stabilities of Metal Complexes of the Binucleating Macrocyclic Ligand BISBAMP and Dioxygen Affinity of Its Dinuclear Cobalt(II) Complex.
Authors: GARCIA BASALLOTE M. , MARTELL A. E.
Published: May 2016

The title macrocyclic ligand (IV) is prepared according to the scheme.
ChemInform Abstract: Direct Michael Additions of Silyl Groups to α,β‐Unsaturated β‐Arylketones and an α‐Benzylidenelactone with Mixtures Obtained from Copper(I) Cyanide, Butyllithium and Chlorosilanes.
Authors: AMBERG W. , SEEBACH D.
Published: May 2016

A considerable simplification of the Michael addition of silyl compounds such as (II) to enones such as (I) or (IV) is accomplished using the conditions shown in the scheme.
ChemInform Abstract: Synthetic Studies of the Cyclopropyl Iminium Ion Rearrangement. Part 3. Application of the Cyclopropyl Acyliminium Ion Rearrangement to a Concise and Highly Convergent Synthesis of (.+‐.)‐Lycorine.
Authors: BOECKMAN R. K. JUN. , GOLDSTEIN S. W. , WALTERS M. A.
Published: May 2016

The rearrangement of the cyclopropyl imines (I) to the enamides (III) is successfully carried out with the acid chlorides (II).
ChemInform Abstract: Nonplanarity of the Methylcyclobutyl Cation.
Authors: SAUNDERS M. , KRAUSE N.
Published: May 2016

The precursor cyclopropane (V) of the cation of interest (VI) is synthesized in 4% overall yield from (I).
ChemInform Abstract: Electron Transfer. Part 96. Catalyzed Reduction of Peroxide‐Bound Chromium(IV) with Hydroxylamine.
Authors: GHOSH S. K. , GOULD E. S.
Published: May 2016

The complex, shown in the scheme of the preceding paper, reacts very slowly with hydroxylamine in acetate buffers, but the reaction is markedly catalyzed by Fe(II) or Fe(III), and to a much lesser extent by Cu(II).
ChemInform Abstract: Efficient Syntheses of Polyfunctional Nitro Compounds Using 2‐Alkenyl‐Substituted Methyl 2‐Siloxycyclopropanecarboxylates as Key Building Blocks.
Authors: ZSCHIESCHE R. , REISSIG H.‐U.
Published: May 2016

Cyclopropane derivatives such as (I) are excellent precursors for vinyl ketones such as (III) which react in situ as Michael acceptors with nitroalkanes (II) to give the products (IV).
ChemInform Abstract: Syntheses and Chiroptical Properties of 4‐Substituted 2‐Adamantylidene Derivatives. A New Sector Rule for Chiral 1,3‐Dienes and α,β‐Unsaturated Carbonyls.
Authors: WALBORSKY H. M. , REDDY S. M. , BREWSTER J. H.
Published: May 2016

Starting with the 4‐hydroxyadamantan‐2‐ones (I), 2‐adamantylidene derivatives such as (IV) are prepared by Wittig‐Horner olefination and then subjected to chromatographic separation.
ChemInform Abstract: Asymmetric Synthesis Catalyzed by Chiral Ferrocenylphosphine‐Transition‐Metal Complexes. Part 6. Practical Asymmetric Synthesis of 1,1′‐Binaphthyls via Asymmetric Cross‐Coupling with a Chiral ((Alkoxyalkyl)ferrocenyl)monophosphine/Nickel Catalyst.
Authors: HAYASHI T. , HAYASHIZAKI K. , KIYOI T. , ITO Y.
Published: May 2016

Cross‐coupling of the naphthyl‐MgBr (III) with the naphthyl bromide (II) in the presence of a Ni catalyst prepared in situ from NiBr2 and the chiral ferrocenylphosphine (I) gives a high yield of the (R)‐binaphthyl (IV).
ChemInform Abstract: A New Synthesis of N‐Aryl‐2‐methyleneazetidines.
Authors: SULMON P. , DE KIMPE N. , SCHAMP N.
Published: May 2016

Intramolecular alkylation of the chloro ketimines (I) yields the methyleneazetidines (II).
ChemInform Abstract: Selective Method for the Preparation of Isomeric N‐Alkyl and N‐Aryl‐3(5)‐amino‐5(3)‐hydroxy‐1H‐pyrazole‐1‐carboxamides.
Authors: DRUMMOND J. T. , JOHNSON G.
Published: May 2016

The α‐cyano hydrazides (I) or (IV) are converted to the semicarbazides (III) by reaction with the pyrazolylcarboxamide (II) or the isocyanates (V).
ChemInform Abstract: Pyridinethiones. Part 15. 3‐Methylthio‐2‐pentene‐1,5‐diones as Synthons for 4‐Methylthio‐2(1H)‐pyridinethiones, and Synthesis of 4‐Methylene‐1,4‐dihydropyridines.
Authors: BECHER J. , HANSEN P.
Published: May 2016

The α‐oxo ketene dithioacetals (I) are coupled with the methyl ketones (II) in the presence of tert‐butoxide to give the substitution products (III) and their salts (V) which are methylated, forming the isomers (VII) and (VIII).
ChemInform Abstract: Bisanellated Derivatives of 2,2′‐Bipyridine.
Authors: THUMMEL R. P. , LEFOULON F. , CHIRAYIL S. , GOULLE V.
Published: May 2016

Heating of the 3,3'‐anellated 2,2'‐bipyridines (I) with the ω‐dibromoalkanes (II) yields the bisanellated derivatives (III).
ChemInform Abstract: Lithiation and Thiylation of 5‐Bromopyrimidines.
Authors: ARUKWE J. , KEILEN G. , UNDHEIM K.
Published: May 2016

5‐Thiylated pyrimidines such as (V) are prepared either by cyclization of the sulfenylacrylaldehydes (III) with urea (IV) or by lithiation and thiylation of silyl‐protected 5‐bromopyrimidinones such as (VI).
ChemInform Abstract: Aminoquinone Reactions. Part 3. 5‐Arylaminobenzo(a)phenazines.
Authors: KALLMAYER H.‐J. , STASS C.
Published: May 2016

The 4‐substituted 1,2‐naphthoquinones (I) and (VI) undergo cyclocondensation with o‐phenylenediamine (II), forming the benzophenazines (III) and (VII) respectively.
ChemInform Abstract: Synthesis and Reactions of Some 6‐(2‐Hydroxy‐1‐naphthyl)‐1,2,4‐triazines.
Authors: EID M. M. , KADRY A. M. , HASSAN R. A.
Published: May 2016

The monohydrazones (III), obtained from the naphthofurandione (I), are cyclized upon treatment with bases to form the triazinones (IV).
ChemInform Abstract: Bismethyleneborane, (B(CH2)2)‐, and Trismethyleneborane, (B(CH2)3)‐, Anions. Do They Exist in the Gas Phase?
Authors: SHELDON J. C. , CURRIE G. J. , BOWIE J. H.
Published: May 2016

The reaction between OH‐ and BMe3 in the chemical ionization source yields Me2B=CH2.
ChemInform Abstract: Chemistry of Boron. Part 195. Synthesis, Structure and Reactions of a 1,3,2,4‐Aza‐λ3‐phosphadiboretidine Derivative.
Authors: KOELLE P. + , NOETH H. + , PAINE R. T. , RATTAY W.
Published: May 2016

The 1,3,2,4‐azaphosphadiboretidines (III) are obtained according to the scheme.
ChemInform Abstract: Synthesis, Structure, and Bonding in the Donor‐Acceptor Complex (tBu2PSe2)·(PNAryl): A Route to the PN Bond.
Authors: NIECKE E. , NIEGER M. , REICHERT F. , SCHOELLER W. W.
Published: May 2016

A monophosphadiazonium ion is present in the adduct (IV) which is formed on the reaction of the iminophosphane (I) with gray selenium (II) in the ratio 1:2 via the isolable 1:1 "adduct" (III).
ChemInform Abstract: Thiolato‐Technetium Complexes. Part 1. Synthesis and Characterization of Bis(tertiary diphosphine)technetium(III) Complexes Containing Methanethiolato Ligands. Single‐Crystal Structural Analyses of trans‐(Tc(III)(SCH3)2(DMPE)2)CF3SO3 and trans‐(Tc(III)(SCH3)2(DEPE)2)PF6, Where DMPE: 1,2‐Bis(dimethylphosphino)ethane and DEPE: 1,2‐Bis(diethylphosphino)ethane.
Authors: KONNO T. , HEEG M. J. , DEUTSCH E.
Published: May 2016

The thiolato complexes (III) are investigated by X‐ray diffraction.
ChemInform Abstract: Characterization and Novel Low‐Temperature Reactions of FeCH2 and N2FeCH2.
Authors: CHANG S.‐C. , HAUGE R. H. , KAFAFI Z. H. , MARGRAVE J. L. , BILLUPS W. E.
Published: May 2016

The reactions of iron atoms with diazomethane are investigated in argon matrices by FTIR matrix isolation spectroscopy.
ChemInform Abstract: Synthesis, Characterization and Fungitoxicities of Metal Chelates of a Pentadentate N3S2 Ligand.
Authors: MAJUMDER S. M. M. H. , ALI M. A. , SMITH F. E. , MRIDHA M. A. U.
Published: May 2016

S‐Methyldithiocarbazate and 2,6‐diacetylpyridine react in abs.
ChemInform Abstract: Kinetic and Thermodynamic Stabilities of the Geometric Isomers of (R3P)2Ru(CO)2Cl2 and (R3P)3Ru(CO)Cl2 Complexes.
Authors: KRASSOWSKI D. W. , NELSON J. H. , BROWER K. R. , HAUENSTEIN D. , JACOBSON R. A.
Published: May 2016

A series of RuCl2(CO)2(phosphine)2 (phosphine: P(CH2‐Ph)3, PPh3, PPh2Me, PMe2Ph, PMe3) complexes are prepared.
ChemInform Abstract: Transformation of Resin Sandaracopimaric Acid into Androstane Analogues.
Authors: BERMEJO GONZALEZ F. , BORDELL MARTIN M. , FERNANDEZ MATEOS A.
Published: May 2016

The ketone (I), derived from methyl sandaracopimarate, is transformed to the title steroid (IV) via acid‐promoted cyclization of the intermediate (III).
ChemInform Abstract: Verrucarins and Roridins. Part 46. Synthesis of New, Unnatural Macrocyclic Trichothecenes: 3‐Isoverrucarin A ((1′′‐O)(3 → 4)abeo‐Verrucarin A), Verrucinol, and Verrucene.
Authors: JEKER N. , TAMM C.
Published: May 2016

The synthesis of the title compounds is envisaged in order to obtain trichothecene analogues which possess the antibiotic, antifungal and cytotoxic activity of the natural trichothecenes but are less toxic than these compounds.
ChemInform Abstract: Crystal Structure of Tl5Cu14Se10.
Authors: BERGER R. , MEERSCHAUT A.
Published: May 2016

The previously proposed structure of the title compound is verified by single crystal XRD.
ChemInform Abstract: New Lanthanide Hydrogen Phosphites LnH(PO3H)2·2 H2O
Authors: DURAND J. , LOUKILI M. , TIJANI N. , RAFIQ M. , COT L.
Published: May 2016

(Ln: Y, La, Ce‐Tm).
ChemInform Abstract: Syntheses and Crystal Structures of CsM2P5O16 (M: V, Fe).
Authors: KLINKERT B. , JANSEN M.
Published: May 2016

The new isotypic pentaphosphates, obtained as shown in the scheme, crystallize in the monoclinic system, space group Pn, Z=2.
ChemInform Abstract: Electroreduction of 2‐Oxazolines.
Authors: RYAN C. M. , KARIV‐MILLER E.
Published: May 2016

Preparative electroreduction of 2‐phenyloxazoline (Ia) leads to aminoalcohol (IV) in high yield via oxazolidine (II) and its ring‐opened tautomer (III) (cyclovoltammetry; equilibrium constants in five solvents).
ChemInform Abstract: Static Structure of a Regular Intermediate Controls the Course of the Thermal 1,3‐Sigmatropic Rearrangement of 6‐Methylenebicyclo(3.1.0)hex‐2‐enyl Derivatives.
Authors: PIKULIN S. , BERSON J. A.
Published: May 2016

The pyrolytic rearrangements (all in benzene‐d6) of the title derivatives (I)‐(Va) and a mixture of (Vb) + (Vc) are studied, all bearing oxygen substituents at C(4).
ChemInform Abstract: Asymmetric Reactions Catalyzed by Chiral Metal Complexes. Part 29. Catalytic Asymmetric Hydrogenation with Rhodium Complexes of Improved DIOPS Bearing p‐Dimethylamino Group on the Basis of Our Designing Concept.
Authors: MORIMOTO T. , CHIBA M. , ACHIWA K.
Published: May 2016

The synthesis of the chiral bisphosphines (III) and (VI) is described.
ChemInform Abstract: Low‐Temperature Condensation of γ‐Butyrolactone with Ethyl Acetate.
Authors: LIPKIN M. A. , MARKEVICH V. S.
Published: May 2016

In the presence of sodium ethylate and at temp. between 40 and 120 °C the reaction between γ‐butyrolactone (I) and ethyl acetate (II) affords 2‐acetyl‐γ‐butyrolactone.
ChemInform Abstract: Scope and Limitations of the Reductive Coupling of Aromatic Aldimine Derivatives with Formation of 1,2‐Diarylethylenediamine Units, Using Low‐Valent Titanium Reagents.
Authors: BETSCHART C. , SCHMIDT B. , SEEBACH D.
Published: May 2016

Aminals such as (I), iminium salts such as (III), or N‐silylimines such as (IV) can be coupled by the black suspension of a low‐valent Ti species obtained from TiCl4 and Mg turnings in THF to give products such as (II) or (V) with no or low diastereoselectivity.
ChemInform Abstract: Synthesis of Ethylenes with Acyclic Quaternary Carbons by Dehydration of Neopentyl Alcohols. Application of the 2‐D INAPT Technique.
Authors: DRAKE C. A. , RABJOHN N. , TEMPESTA M. S. , TAYLOR R. B.
Published: May 2016

Treatment of the alcohols (I), (III), (V), and (VII) with potassium hydrogen sulfate gives the alkenes (II), (IV), (VI), and (VIII).
ChemInform Abstract: Preparation and Surface Active Properties of Alcohol Ethoxylates with an Amide Oxime Terminal Group.
Authors: MASUYAMA A. , OKANO T. , OKAHARA M.
Published: May 2016

Base‐catalyzed cyanoethylation of polyglycol ethers such as (III) gives the cyanoethyl derivative (V) which reacts with free hydroxylamine (VI), forming the amidoxime (VII).
ChemInform Abstract: A Practical Photochemical Synthesis of Bicyclo(1.1.1)pentane‐1,3‐dicarboxylic Acid.
Authors: KASZYNSKI P. , MICHL J.
Published: May 2016

Treatment of bis(chloromethyl)dibromocyclopropane (I) with methyllithium results in intramolecular cyclization, producing (1.1.1)propellane (II).
ChemInform Abstract: Synthesis of Acyl Azides.
Authors: SMUSHKEVICH YU. I. , USOROV M. I.
Published: May 2016

The reaction between the semicarbazides (I) and HNO2 affords the azides (III) which are identified by IR.
ChemInform Abstract: Organosulfur Compounds. Part 47. Alkylation of Sulfinic Acids by O‐Alkylisoureas: O‐ versus S‐Reactivity and Asymmetric Synthesis of Alkyl Sulfinates.
Authors: KIELBASINSKI P. , ZURAWINSKI R. , DRABOWICZ J. , MIKOLAJCZYK M.
Published: May 2016

Alkylation of sulfinic acid (I) with the alkylisoureas (II) yields the sulfones (III) and the sulfinates (IV), the latter being formed predominantly.
ChemInform Abstract: Cyclopentaannulation Reactions Between Nitrocycloalkenes and Diacetyl Morpholino Enamine.
Authors: FELLUGA F. , NARDIN G. , NITTI P. , PITACCO G. , VALENTIN E.
Published: May 2016

The α‐ketoenamine (I) reacts with 1‐nitrocyclohexene (II) to give the N‐oxide (III) which is stable in the solid state and can be stored for months at room temperature.
ChemInform Abstract: Use of Bridge Anellation to Retain the syn‐Stereochemistry of (m.n)Metacyclophane Derivatives: A Route to an Elusive syn‐(2.2)Metacyclophanediene.
Authors: LAI Y.‐H. , LEE S.‐M.
Published: May 2016

Bromination of the anti‐ and syn‐conformers (I) and (II) with N‐bromosuccinimide gives a mixture of the dibromides (III) and (IV) which cannot be separated.
ChemInform Abstract: 3,5‐Diphenyl‐1H‐pyrazole Derivatives. Part. 1. Esters and N‐Substituted Carbamates of 1‐(2‐Hydroxyethyl)‐3,5‐diphenyl‐1H‐pyrazole and Its 4‐Bromo Derivative with Depressant, Antiarrhythmic, Analgesic, and Other Activities.
Authors: BONDAVALLI F. , BRUNO O. , RANISE A. , SCHENONE P. , ADDONIZIO P. , DE NOVELLIS V. , LOFFREDA A. , MARMO E.
Published: May 2016

Chalcone (I) is transformed into the epoxide (II) which undergoes cyclocondensation with hydrazinoethanol (III), yielding the pyrazoline (IV).
ChemInform Abstract: A Rapid and Efficient Cycloaddition of Simple Imines with Activated Dienes Leading to Amino Sugars. Unusually High “Chelation‐Controlled” Diastereoselectivity in the Addition to an α,β‐Dihydroxyimine Protected as a Ketal.
Authors: MIDLAND M. M. , MCLOUGHLIN J. I.
Published: May 2016

Lewis acid‐induced hetero‐Diels‐Alder reaction of the imines (I) with the γ,δ‐unsaturated ketene silyl acetal (II) yields the tetrahydropyridine derivatives (III).
ChemInform Abstract: Synthesis of Thiophenacyl‐2‐phenyl‐2‐mercaptovinyl Sulfide ‐ The Precursor of 2,6‐Diphenyl‐1,4‐dithiine.
Authors: VORONKOV M. G. , USOV V. A. , SHAGUN L. G. , USOVA T. L. , PROTASOVA L. E. , KLYBA L. V.
Published: May 2016

Treatment of the diphenacyl sulfide (I) with H2S (II) in the presence of H+ affords the sulfide (III).
ChemInform Abstract: 1,2‐Condensed Derivatives of Pyrimidine. Part 4. Synthesis and Pharmacological Properties of N,N‐Disubstituted 4‐Amino‐2H‐pyrido(1,2‐a)pyrimidin‐2‐ones and 2‐Amino‐4H‐pyrido(1,2‐a)pyrimidin‐4‐ones.
Authors: DI BRACCIO M. , ROMA G. , MAZZEI M. , BALBI A. , SCHIANTARELLI P. , CADEL S. , BONGRANI S.
Published: May 2016

Cyclocondensation of 2‐aminopyridine (IV) with the reagent (III), obtained from the malonamates (I) and phosphorus oxychloride (II), yields the regioisomeric fused pyrimidin‐2‐ones (V) and pyrimidin‐4‐ones (VI).
ChemInform Abstract: Novel Synthesis and Rearrangement of 3,1,5‐Benzoxadiazepines.
Authors: MAZURKIEWICZ R.
Published: May 2016

The reaction of the o‐phenylenediamines (I) according to A) in the presence of NEt3 as HBr acceptor yields the desired benzoxadiazepines (II) in good yields.
ChemInform Abstract: N,N‐Bis(trimethylsilyl)‐S‐methyldithiocarbazate. Preparation, Molecular Structure, and Reactions with Titanium, Niobium, Tantalum, and Molybdenum Halides.
Authors: SCHRENK V. , MATTES R.
Published: May 2016

The title compound (III) crystallizes in Pn21a with Z = 8. It does not react with Cp2TiCl2, CpTiCl3, CpMCl4 (Cp: π‐cyclopentadienyl) and MCl5 (M: Nb, Ta), probably due to a steric shielding of the reactive nitrogen in (III).
ChemInform Abstract: PPh4(As3Br2S4CH2)·CH2Br2, a Thiobromoarsenate with an As‐As Bond.
Authors: SINNING H. , MUELLER U. +
Published: May 2016

As2S3 obtained by precipitation with H2S from aqueous solution not only contains As(III) but also arsenic in a lower oxidation state.
ChemInform Abstract: Crystal Structure of (PPh4)2(Mo2(O2C‐Ph)4Br2)·2 CH2Br2.
Authors: GOESMANN H. , FENSKE D. , SWIDERSKY H.‐W. , DEHNICKE K.
Published: May 2016

The title compound (I) previously obtained from Mo(OOCPh)4 and PPh4Br in CH2Cl2 can also be prepared from Mo(OOCPh)4 and PPh4N3 with the assistance of CH2Br2 in 80% yield.
ChemInform Abstract: Synthesis and Fluxional Behavior of Octahedral Manganese(I) Complexes with a Monodentate 1,8‐Naphthyridine Ligand. X‐Ray Crystal Structure of fac‐(Mn(η1‐1,8‐naph)(η2‐phen)(CO)3)ClO4·1/2 CH2Cl2 (naph: 1,8‐Naphthyridine, phen: o‐Phenanthroline).
Authors: BERMEJO M.‐J. , RUIZ J.‐I. , SOLANS X. , VINAIXA J.
Published: May 2016

The octahedral fac‐complexes (III) with monodentately coordinated 1,8‐naphthyridine (II) are obtained according to the scheme.
ChemInform Abstract: Potential Building Blocks for Molecular Ferromagnets: (Mn12O12(O2CPh)16(H2O)4) with a S = 14 Ground State.
Authors: BOYD P. D. W. , LI Q. , VINCENT J. B. , FOLTING K. , CHANG H.‐R. , STREIB W. E. , HUFFMAN J. C. , CHRISTOU G. , HENDRICKSON D. N.
Published: May 2016

The title complex (IV) crystallizes in the space group P1 with Z=2.
ChemInform Abstract: A Triply Bridged Dinuclear Tris(bipyridine)iron(II) Complex: Synthesis and Electrochemical and Structural Studies.
Authors: SERR B. R. , ANDERSEN K. A. , ELLIOTT C. M. , ANDERSON O. P.
Published: May 2016

The title complex (I), prepared from the ligand in acetone and FeSO4 in water, crystallizes as its triflate salt (Ib) in C2/c, with Z=4.
ChemInform Abstract: Synthesis, Characterization, and Reactivity of (2,3,4,5‐η)‐2E,4E‐Nonadienylphosphonic Acid Tricarbonyliron Dimethyl Ester.
Authors: PINSARD P. , LELLOUCHE J. P. , BEAUCOURT J. P. , GREE R.
Published: May 2016

The cationic tricarbonyliron complex (VI) is prepared from the nonadienal (I) as outlined in the reaction scheme.
ChemInform Abstract: Dipalladium Complexes with N,N′‐Diphenylbenzamidine Bridging and Chelating Ligands. Synthesis and Structural and Electrochemical Studies.
Authors: YAO C.‐L. , HE L.‐P. , KORP J. D. , BEAR J. L.
Published: May 2016

The reaction of trimeric Pd3(O‐Ac)6 with lithium N,N'‐diphenylbenzamidinate in CH2Cl2 gives a product which is shown to have the structure (I) (C2/c, Z = 8) by an X‐ray analysis.
ChemInform Abstract: Asymmetric Synthesis via Heteroconjugate Addition Using Eliel′s Camphor Template.
Authors: ISOBE M. , OBEYAMA J. , FUNABASHI Y. , GOTO T.
Published: May 2016

The Eliel's (1R)‐(+)‐camphor derivative (I) reacts with the organolithium agents (II) to give the adducts (III).
ChemInform Abstract: 81Br NQR and 119Sn Moessbauer Study for MSnBr3 (M: Cs and MeNH3).
Authors: YAMADA K. , NOSE S. , UMEHARA T. , OKUDA T. , ICHIBA S.
Published: May 2016

The title compounds, for which successive structural phase transitions are observed by means of 81Br NQR and DTA are isomorphous and have typical cubic perovskite structure at 20 °C. Especially in the case of MeNH3SnBr3 the 81Br NQR and 119Sn Moessbauer spectra change markedly with decreasing temp. suggesting a change of the tin environment from a regular octahedron at 20 °C to a markedly distorted one at 77 K. These finding are interpreted on the basis of the three‐center‐four‐electron bond model.
ChemInform Abstract: Thermoanalytical Study of the System Pb2+‐Zn2+ Coprecipitated as Binary Carbonates.
Authors: GARCIA‐CLAVEL M. E. , MARTINEZ‐LOPE M. J. , CASAIS‐ALVAREZ M. T.
Published: May 2016

Precipitation from aqueous solutions of Pb(NO3)2 and Zn(NO3)2·4 H2O (1:2, 1:1, and 2:1) with an aqueous solution of (NH4)2CO3 (seven‐time excess) always yields mixtures composed of cerussite (PbCO3) and hydrozincite (Zn5(OH)6(CO3)2).
ChemInform Abstract: Synthesis and Characterization of Chelating Ion‐Exchange Resins: A Spectral Study of Copper(II) Complexes of Chelating Ion‐Exchange Resins Containing Multidentate Imidazole Moieties.
Authors: SAHNI S. K. , DRIESSEN W. L. , REEDIJK J.
Published: May 2016

The synthesis and characterization of several chelating ion‐exchange resins incorporating one or more tridentate ligands containing the imidazole group (bis(benzimidazol‐2‐ylmethyl))amine, anchored on microporous and macroporous styrene‐DVB copolymers and phenol‐formaldehyde condensate matrices, are described.
ChemInform Abstract: Alkylation of Heterocyclic Ketene Aminals with Benzyl Chloride and Ethyl Bromoacetate. Synthesis of Heterobicycles Containing γ‐Lactam‐Fused Diazaheterocycles.
Authors: HUANG Z. , LIU Z.
Published: May 2016

Heterocyclic ketene aminals such as (I) react with benzyl chloride (II) or with the bromo ester (IV) in MeCN under reflux to give the alkylation products (III) or (V).
ChemInform Abstract: An Efficient Synthesis of Aromatic Iodides from Aromatic Carboxylic Acids.
Authors: SINGH R. , JUST G.
Published: May 2016

The p‐substituted benzoic acids (I) undergo iododecarboxylation with iodosylbenzene diacetate and iodine upon irradiation in refluxing tetrachloromethane, yielding the iodides (II).
ChemInform Abstract: Mechanism of an Interesting Ring‐Contraction Reaction of a Class of Carbocyclic trans‐Dibromides and Stereoisomeric Bromohydrins Through Solvolysis.
Authors: MANDAL A. N. , BHATTACHARYA S. , RAYCHAUDHURI S. R. , CHATTERJEE A.
Published: May 2016

Ring contraction by neutral solvolysis to give the lower homologous aldehyde is examined for benzocycloalkene bromohydrins or trans‐dibromides such as (I), (III), (V) and (VII).
ChemInform Abstract: A New Approach to the Construction of Radialenes by the Nickel‐Catalyzed Cyclooligomerization of (3)Cumulenes (Butatrienes).
Authors: IYODA M. , TANAKA S. , OTANI H. , NOSE M. , ODA M.
Published: May 2016

Cyclooligomerization of the dihalobutadienes (I) or (V), catalyzed by zero‐valent nickel complexes such as Ni(PPh3)4 generated by reduction of NiBr2(PPh3)2/PPh3 with Zn, gives the (4)‐ and (6)‐radialenes (II)‐(IV).
ChemInform Abstract: N‐Butyl‐N′‐dansylthiourea as Fluorescent Broad‐Band Complexing Agent.
Authors: KOENIG K.‐H. + , BOSSLET J. , HOLZNER C.
Published: May 2016

The title compound (III) is a stable, fluorescent complex agent for a broad spectrum of metal ions.
ChemInform Abstract: Cyclization of a Substituted N‐Acetylserine to a 2‐Methyldihydrooxazole with Dimethylaminosulfur Trifluoride.
Authors: DEVI N. , THREADGILL M. D. , TENDLER S. J. B.
Published: May 2016

O‐Benzylserine (I) is hydroxymethylated and then cyclized with acetic anhydride (IV) to produce the acetoxymethyl(benzyloxymethyl)oxazolinone (V) which is hydrolyzed, yielding the O,N‐diacetylated derivative (VI) of (III).
ChemInform Abstract: Coupling Reactions of Aryl and Heteroaryl Halides with a Trimethylsilylethynylpyrazine.
Authors: AKITA Y. , KANEKAWA H. , KAWASAKI T. , SHIRATORI I. , OHTA A.
Published: May 2016

2‐Chloro‐3,6‐diisobutylpyrazine (I) reacts with trimethylsilylacetylene (II) in the presence of a Pd catalyst and potassium acetate to form the disubstituted alkyne (III).
ChemInform Abstract: Dinuclear Mixed Alkyl Phosphido and Alkyl Aryloxy Complexes of Manganese(II). Crystal Structures of (Mn(CH2CMe3)(μ‐tBu2P))2 and (Mn(CH2CMe2Ph)(μ‐O‐2,4,6‐(tBu)3C6H2))2.
Authors: JONES R. A. , KOSCHMIEDER S. U. , NUNN C. M.
Published: May 2016

The air‐sensitive, paramagnetic title compounds (III) and (VI) are obtained from the polymeric (I) or dimeric Mn compound (IV) according to the scheme.
ChemInform Abstract: Metal‐Containing Heterocycles: Preparation, Properties, Reactions. Part 61. The Behavior of η2‐Thiophosphinito Complexes of Cobalt Towards Electron‐Poor Alkynes.
Authors: LINDNER E. , FRICK K. E. , STAENGLE M. + , FAWZI R. , HILLER W.
Published: May 2016

In the presence of PPh3, the (η2‐thiophosphinito)‐Co complex (I) reacts with the alkynes (II) to give the thiaphosphacobaltacyclopentadienes (III).
ChemInform Abstract: Synthesis and Spectral and Electrochemical Properties of Di‐2‐pyridyl Ketone Complexes of Ruthenium and Their Reactions.
Authors: BASU A. , KASAR T. G. , SAPRE N. Y.
Published: May 2016

The reaction of RuCl3 with the title ligand in stoichiometric amounts in DMF at reflux temp. gives the complex (I) besides a minor amount of (II) (10%), which is prepared directly using a reactant ratio of 1:1.
ChemInform Abstract: Unique Jones′ Oxidation of 12‐Iodolongibornane‐4‐ol Involving Unprecedented Neighboring Group Participation: Formation of Novel 7‐Carboxy‐4,7‐dimethylbicyclo(2.2.1)heptane‐2‐(3′,3′‐dimethyl)propanoic Acid.
Authors: VAIDYA S. P. , NAYAK U. R.
Published: May 2016

The title reaction of the iodide (I) affords the dicarboxylic acid (III) together with the diketone (II).
ChemInform Abstract: Polymer‐Supported Solid‐Phase Synthesis of C‐Terminal Peptide N‐Methylamides Using a Modified Photoremovable 3‐Nitro‐4‐N‐methylaminomethylpolystyrene Support.
Authors: AJAYAGHOSH A. , PILLAI V. N. R.
Published: May 2016

The modified resin (IV) is proved to be a suitable material for the preparation of C‐terminal peptide N‐methylamides by the solid‐phase method.
ChemInform Abstract: An Efficient Synthesis of 13‐Methylberbines.
Authors: MALI R. S. , PATIL S. D.
Published: May 2016

The title compounds (VIII), a type of alkaloids which occurs as metabolites in various species of Corydalis, are prepared as shown.
ChemInform Abstract: The First‐Principles Calculations of the Electronic Structure of the Surfaces of Pure Metals and Layers Adsorbed on Their Surfaces
Authors: CHULKOV E. V. , SILKIN V. M. , LIPNITSKII A. G. , PANIN V. E.
Published: May 2016

Review: (34 refs.
ChemInform Abstract: Differentiating Metal Sites in Homopolynuclear Systems via Incorporation of π‐Donors: Complexes of Bridging Phosphidoxo (Ph2P=O) Ligands
Authors: FOGG D. E. , CARTY A. J.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Heterosite Reactivity of Cobalt‐Rhodium Mixed‐Metal Clusters
Authors: HORVATH I. T.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Factors Determining the Selectivity of Multimetallic Catalysts
Authors: PONEC V.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Syngas and HDS Catalysts Derived from Sulfido Bimetallic Clusters
Authors: CURTIS M. D. , PENNER‐HAHN J. E. , SCHWANK J. , BARALT O. , MCCABE D. J. , THOMPSON L. , WALDO G.
Published: May 2016

Review: (The Chemistry of Heteronuclear Clusters and Multimetallic Catalysts; Proceedings of the Seminar in Koenigstein, Sept.
ChemInform Abstract: Trigonal Weberites: Structure Refinements of Na2MnCrF7 and Na2MnGaF7.
Authors: COURBION G. , FEREY G. , HOLLER H. , BABEL D.
Published: May 2016

The results of structure refinements of the trigonal title compounds in the space group P3121, Z = 6 confirm isotypism with the weberite type of Na2MnFeF7.
ChemInform Abstract: New Highly Conductive Inorganic Electrolytes. The Liquid SO2 Solvates of the Alkali and Alkaline Earth Metal Tetrachloroaluminates.
Authors: FOSTER D. L. , KUO H. C. , SCHLAIKJER C. R. , DEY A. N.
Published: May 2016

The liquid SO2 solvates of the AlCl4‐ salts of Li+, Na+, Ca2+, and Sr2+ and their mixtures are found to be highly conductive electrolytes with low SO2 vapor pressure.
ChemInform Abstract: Poisoning of the Cathodic Hydrogen Evolution Reaction by Sulfur Chemisorbed on Platinum(110)
Authors: PROTOPOPOFF E. , MARCUS P.
Published: May 2016

is studied by means of the 35S radiotracer method and by measuring the current density vs.
ChemInform Abstract: X‐Ray Crystal Structure of Tetraacetatobis(tetrathiafulvalene)dirhodium(II) and the Properties of Its Iodine‐Doped Complex.
Authors: MATSUBAYASHI G. , YOKOYAMA K. , TANAKA T.
Published: May 2016

The title complex (I), prepared from the corresponding bis(methanol) complex by exchange of the neutral ligands (29% yield), crystallizes in P21/n with Z=2.
ChemInform Abstract: Rotamers and Isomers in the Fulgide Series. Part 2. Stereochemistry and Conformational Analysis of Bis‐(p‐methoxybenzylidene)succinic Anhydrides by X‐Ray Crystallography and Molecular Mechanics.
Authors: BOEYENS J. C. A. , DENNER L. , PEROLD G. W.
Published: May 2016

Crystalline anhydrides mentioned in the title occur as the methoxy rotamers of both E,E and Z,Z geometrical isomers.
ChemInform Abstract: Thermal Equilibration of Z‐ and E‐Isomers of 5‐Arylmethylenehydantoins. Evidence for Non‐Bonded Aromatic π···Methyl Attractions.
Authors: TAN S.‐F. , ANG K.‐P. , HOW G.‐F.
Published: May 2016

Standard free energy differences between the Z‐ and E‐isomers of 14 hydantoins such as (I) and (II) are estimated by thermal equilibration in DMSO.
ChemInform Abstract: Reaction of Bis‐1,2‐diketones. Part 3. Regioselective Bicyclization of Bis‐1,2‐diketones with Urea.
Authors: BAKIBAEV A. A. , SAVCHENKO T. I. , FILIMONOV V. D. , YAGOVKIN A. YU. , NOVIKOV A. N.
Published: May 2016

The reaction between the bis‐1,2‐diketones (Ia)‐(Ic) and urea (II), conducted in anhydrous formic (or acetic) acid, affords the bicyclic bis‐ureas (IIIa)‐(IIIc) in high yields.
ChemInform Abstract: Synthesis, Structure and Properties of Compounds with a Chalcogen‐Nitrogen Bond. Part 11. Reaction of Selenium Imides with Thiols and Thioamides.
Authors: NADDAKA V. I. , AVANESYAN K. V. , CHERKINSKAYA M. L. , MINKIN V. I.
Published: May 2016

The oxidative power of chalcogen imides toward thiols and thioamides increases in the order S < Se < Te.
ChemInform Abstract: Imines and Derivatives. Part 21. A Study of Structural and Mechanistic Aspects of the Synthesis of Imine, Imine Oxide, and Oxime Derivatives of 2,2,4,4‐Tetramethylcyclobutane‐1,3‐dione by X‐Ray Crystallography and NMR and UV Spectroscopy.
Authors: BOYD A. J. , BOYD D. R. , BURNETT M. G. , MALONE J. F. , JENNINGS W. B.
Published: May 2016

The diimine (II) (space group P21/n with Z=2; prepared according to A) (literature)) occurs exclusively as the E‐isomer as well as its oxidation product, the dinitrone (III).
ChemInform Abstract: Chemistry of Oxaziridines. Part 10. Selective Catalytic Oxidation of Sulfides to Sulfoxides Using N‐Sulfonyloxaziridines.
Authors: DAVIS F. A. , LAL S. G. , DURST H. D.
Published: May 2016

Oxidation of the sulfides (IV) with oxone in the presence of the nitrobenzylidenebenzenesulfonamide (III) gives the sulfoxides (V).
ChemInform Abstract: The High Pressure‐Mediated Intramolecular Diels‐Alder Reaction of Furans: Factors Controlling Cycloaddition with Monoactivated Dienophiles.
Authors: HARWOOD L. M. , LEEMING S. A. , ISAACS N. S. , JONES G. , PICKARD J. , THOMAS R. M. , WATKIN D.
Published: May 2016

2‐Furyl‐substituted enones such as (I) and (VII) are subjected to high pressure‐induced intramolecular cycloaddition reaction, forming fused 7‐oxabicyclo(2.2.1)heptenes, e.g. (II) and (VIII).
ChemInform Abstract: Synthesis of 2,4,5‐Trisubstituted Oxazoles and a Study of Their Fluorescent Properties.
Authors: RANGNEKAR D. W. , SHENOY G. R.
Published: May 2016

Benzoyl chloride (II) reacts with equimolar amounts of benzaldehyde (I) in the presence of sodium cyanide (III) to give the intermediate O‐benzoylarylcyanohydrin (IV) which is treated with a further equimolar amount of benzaldehyde (I), yielding the benzoyloxybenzyl phenyl ketone (V).
ChemInform Abstract: Nitroxides (Aminyl Oxides). Part 39. Formation of Polycyclic Dimers from Vinyl Nitroxides and Their Dissociation and Isomerization.
Authors: AURICH H. G. , BUBENHEIM O. , KESSLER W. , MOGENDORF K.‐D.
Published: May 2016

The hydroxylamines (I) are coupled with the vinyl ketones (II) to give the γ‐oxoalkylhydroxylamines (III) which cyclize upon oxidation with PbO2, producing the tricyclic dimers (IVa) ‐ (IVc) or the bicyclic dimer (Vd).
ChemInform Abstract: The Synthesis of 5‐(p‐Bromophenacylthio)‐ and 5‐(Carbamoylthio)isothiazoles.
Authors: FUKADA N. , MORI T. , MURAOKA M. , YAMAMOTO T. , TAKESHIMA T.
Published: May 2016

The ammonium salts (I) are used as starting material for the preparation of the title compounds (III) and (V).
ChemInform Abstract: Thromboxane A2 Synthetase Inhibitors. Part 1. Syntheses and Activities of Various N‐Heteroaromatic Derivatives.
Authors: KANAO M. , WATANABE Y. , KIMURA Y. , KANNO H. , KUBO H. , ASHIDA S.
Published: May 2016

Various triazole, thiazole, and pyrimidine derivatives containing a carboxyphenoxyethyl or a carboxyvinylbenzyl moiety are synthesized by different routes.
ChemInform Abstract: Direct Substitution of 2‐Benzenesulfonyl Cyclic Ethers Using Organozinc Reagents.
Authors: BROWN D. S. , LEY S. V.
Published: May 2016

The 2‐phenylsulfonyltetrahydropyrans (I) and (VI) or the 2‐phenylsulfonyltetrahydrofuran (IV) react with the bromides (II) in the presence of Mg and ZnBr2 via intermediate organozinc compounds to give the substitution products (III), (V), or (VII).
ChemInform Abstract: Bisaminolysis of 3,5‐Dichloro‐2,6‐bis(trifluoromethyl)pyridine.
Authors: MATSUMOTO K. , URYU T. , MUNAKATA M.
Published: May 2016

The 3,5‐dichloropyridine (I), on treatment with cyclic amines (II) in THF at 100 °C and 8 kbar undergoes aminolysis to give 3,5‐bis‐amino derivatives (III) in near to quantitative yields.
ChemInform Abstract: 4‐(Lithiomethyl)‐2,6‐di‐tert‐butylpyridine: A Useful Precursor for the Synthesis of Bis(2,6‐di‐tert‐butyl)pyridyl Compounds.
Authors: WRIGHT M. E. , YAMADA L. Y.
Published: May 2016

The known lithiomethylpyridine (I) mentioned in the title is dimerized upon treatment with iodine, yielding the ethylene‐bridged bipyridine (II).
ChemInform Abstract: A Highly Diastereoselective Synthesis of cis‐4a‐Aryloctahydrocyclopenta(c)pyridine Derivatives Through Tandem Radical Cyclization of α‐Amino Radical‐Polyene Species.
Authors: KANO S. , YUASA Y. , YOKOMATSU T. , ASAMI K. , SHIBUYA S.
Published: May 2016

The key step in the synthesis of the title compounds (IX) is the radical‐induced cyclization of dienyloxazolidinones (VIII), obtained from the esters (I) as shown in the reaction scheme.
ChemInform Abstract: A New Synthesis of 2,3‐Dihydrofuro(2,3‐b), (2,3‐c), and (3,2‐c)quinolines.
Authors: GODARD A. , JACQUELIN J. M. , QUEGUINER G.
Published: May 2016

Starting with the carbamate (I), the dihydrofuroquinoline (IV) is synthesized.
ChemInform Abstract: Synthesis and Properties of Bicyclic C7 1,3‐Dioxanes.
Authors: BATALIN O. E. , ZINENKOV A. V. , IDLIS G. S. , PINSON V. V. , FEDORTSOVA E. V.
Published: May 2016

A novel method affording improved yields of the bicyclic 1,3‐dioxane (III) is described.
ChemInform Abstract: A Simple Regio‐ and Stereocontrolled Synthesis of α‐Branched Allylsilanes.
Authors: MORDINI A. , PALIO G. , RICCI A. , TADDEI M.
Published: May 2016

The E‐configurated allylic silanes (I) are consecutively treated with a mixture of butyllithium and potassium tert‐butoxide (Schlosser's base) and an alkyl iodide (II), yielding the α‐ (III) and γ‐alkylated derivatives (IV) with predominance of (III).
ChemInform Abstract: An Examination of the Coupling of Vinyl and Aryl Triflates with Stannyl Cuprates for the Purpose of Providing Regioselective Access to Vinyllithiums.
Authors: GILBERTSON S. R. , CHALLENER C. A. , BOS M. E. , WULFF W. D.
Published: May 2016

The cyclohexenyl triflates (I) and (IV) are coupled with the bis(tributylstannyl) cuprate (II) to form the stannylated cyclohexenes (III) or the bromide (V) depending on the work‐up procedure.
ChemInform Abstract: Synthesis of Heterobimetallic Complexes Containing Cobalt‐Platinum or Rhodium‐Platinum Dative Bonds. Molecular Structure of ((η5‐C5H5)(CO)2Rh → Pt(C6F5)2(CO)).
Authors: USON R. , FORNIES J. , ESPINET P. , FORTUNO C. , TOMAS M. , WELCH A. J.
Published: May 2016

The reactions of the complexes (I), which display basic properties and therefore can be used as ligands toward other metal centers, with the Pt complexes (II) yield the products (III) with donor acceptor metal‐metal bond unsupported by any bridging ligands.