bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Ferric Ion Sequestering Agents. Part 15. Synthesis, Solution Chemistry, and Electrochemistry of a New Cationic Analogue of Enterobactin.
Authors: RODGERS S. J. , LEE C.‐W. , NG C. Y. , RAYMOND K. N. 
Published: May 2016

AbstractStarting with (I) the new tricatecholate TRENCAM (III) is synthesized in high yield.
ChemInform Abstract: A Novel Example of a Ring‐Chain Tautomerism.
Authors: DONSKAYA N. A. , BESSMERTNYKH A. G. , SHABAROV YU. S. 
Published: May 2016

AbstractThe dichloro‐spiro‐bicycloheptanone (III), which is prepared by a known procedure, affords on reaction with aqueous KOH the oxa‐spiro‐octanone (IV), which forms a tautomeric mixture with its ring‐opened tautomer (V).
ChemInform Abstract: Amavadin (II), an Example for Selective Binding of Vanadium in Nature. Studies of Its Complexation Chemistry and a New Structural Proposal.
Authors: BAYER E. , KOCH E. , ANDEREGG G. 
Published: May 2016

AbstractWhile the ligands (I) and the corresponding iminodiacids form 1:1 and 1:2 coordination compounds with Ca2+, Ni2+, Cu2+, or Zn2+, only the extraordinary stable 1:2 adducts of (I) are obtained with VO2+ even for a less than stoichiometric amount of ligands (stability constants).
ChemInform Abstract: Partial Oxidation of 1,3‐Butadiene on V2O5/Al2O3/Al‐Coated Catalysts: Effects of Pore Lengths on Product Selectivities.
Authors: HOENICKE D. + 
Published: May 2016

AbstractThe activity of the three catalysts used is dependent on the amount of V2O5 but independent of the pore lengths.
ChemInform Abstract: Reactions of Alkenes on Lanthana.
Authors: BIRD R. , KEMBALL C. , LEACH H. F. 
Published: May 2016

AbstractReactions of ethene, propene, butenes, 2‐methylpropene, cyclopentene, 2,3‐, and 3,3‐dimethylbut‐1‐ene are studied with hydrogen, and sometimes deuterium, on lanthana catalysts.
ChemInform Abstract: Preparation of Bicyclic Compounds from the Products of Conjugate Addition of Allylic Sulphoxide and Phosphine Oxide Carbanions to Cyclopent‐ 2‐enones.
Authors: HAYNES R. K. , KATSIFIS A. G. 
Published: May 2016

AbstractLewis‐acid catalyzed cyclization of the vinyl thioether (IV) produces the bicyclo(3.3.0)octanone (V).
ChemInform Abstract: Synthesis of Pyrrolidine Derivatives by Improved Aminoselenation via Addition of Boron Trifluoride Complex of Dihomoallylcuprate to Aldimines Containing α‐Hydrogen.
Authors: WADA M. , AIURA H. , AKIBA K.‐Y. 
Published: May 2016

AbstractThe unsaturated amines (III) derived from the imines (I) are cyclized and selenenylated to give the phenylselenenylmethylpyrrolidines (V) which are reduced, forming the methylpyrrolidines (VI).
ChemInform Abstract: Synthesis of Nitrogen‐Containing Heterocycles on an Iron Catalyst. Part 2. Conversions of 1,3‐Butanediol and Diethylene Glycol in the Presence of Ammonia and Hydrogen.
Authors: KLIGER G. A. , LESIK O. A. , MARCHEVSKAYA E. V. , MIKAYA A. I. , ZAIKIN V. G. , GLEBOV L. S. , LOKTEV S. M. 
Published: May 2016

AbstractThe gas‐phase conversion of the butanediol (I) on a fused iron catalyst with NH3 and H2 gives n‐butylamine (II), pyrrolidine (III), and N‐butylpyrrolidine (IV) as the main products.
ChemInform Abstract: An Example of an Unusual Smiles Rearrangement.
Authors: ZBARSKII V. L. , GONCHARUK A. P. , ORLOVA E. YU. 
Published: May 2016

AbstractN‐(2,4,6‐Trinitrophenyl)ethylenediamine (III), which is prepared from picryl chloride (I) and ethylenediamine (II), on reaction with nitrating acid followed by aqueous work‐up affords the product (V), which is probably formed by Smiles rearrangement of the intermediate (IV).
ChemInform Abstract: Electron‐Transfer‐Induced Photocyclization Reactions of Arene‐Iminium Salt Systems. Effects of Cation Diradical Deprotonation and Desilylation on the Nature and Efficiencies of Reaction Pathways Followed.
Authors: LAN A. J. Y. , HEUCKEROTH R. O. , MARIANO P. S. 
Published: May 2016

AbstractThe photocyclization of (Ia) to give (IV) is concluded to proceed exclusively via a mechanism including sequential electron transfer‐desilylation.
ChemInform Abstract: The First Nonenzymic Stereospecific Intramolecular Reduction by an NADH Mimic Containing a Covalently Bound Carbonyl Moiety.
Authors: MEYERS A. I. , BROWN J. D. 
Published: May 2016

AbstractTreatment of the magnesium alkoxide (III) prepared from the dihydropyridine carbinol (S)‐(+)‐(I) with the chloride (IV) gives the adduct (V), which undergoes instantaneous conversion to the pyridinium salt (VI).
ChemInform Abstract: Halide Exchange and Reduction of Phenacyl Halides Promoted by Aqueous Titanium(III) Salts at Various pHs. Mechanistic Considerations.
Authors: CLERICI A. , PORTA O. 
Published: May 2016

AbstractThe results of the reaction of the phenacyl halides (I) with Ti(III) chloride or sulfate depend on the pH value and the solvent.
ChemInform Abstract: Stereoselective Synthesis of (E)‐α‐Hydroxy‐1,3‐dienes via the Reaction of 2,5‐Dihydrothiophene S,S‐Dioxides with Carbonyl Compounds.
Authors: YAMADA S. , SUZUKI H. , NAITO H. , NOMOTO T. , TAKAYAMA H. 
Published: May 2016

AbstractThe dihydrothiophene‐S,S‐dioxides (I) are coupled with the aldehydes and ketones (II) in the presence of a base, yielding the alcohols (III) and (IV) or the ketones (V) which are obtained from methyl vinyl ketone.
ChemInform Abstract: Five‐Membered 2,3‐Dioxoheterocycles. Part 4. Aroylacetylation of Phenols by 5‐Aryl‐2,3‐dihydrofuran‐2,3‐diones.
Authors: ANDREICHIKOV YU. S. , TOKMAKOVA T. N. 
Published: May 2016

AbstractThe furandiones (I), on heating to 80 °C, eliminate CO and subsequently react with the phenols (II) to give the phenyl esters (III) of the corresponding aroylacetic acids, i.e. aroylacetylation of the phenols (II) has taken place.
ChemInform Abstract: Synthesis of N,O‐Dimethylhydroxylamine Hydrochloride.
Authors: GOEL O. P. , KROLLS U. 
Published: May 2016

AbstractThe N‐methoxy‐N‐methylcarbamate (III) is prepared from the chloroformate (I) in a one‐pot procedure by treatment with hydroxylamine hydrochloride and subsequent methylation of the N‐ethoxycarbonylhydroxylamine (II) formed.
ChemInform Abstract: A Convenient Synthesis of tert‐Butyl‐N‐(2‐bromoethyl)carbamate.
Authors: BEYLIN V. G. , GOEL O. P. 
Published: May 2016

AbstractThe carbamate (III) mentioned in the title is prepared by a two‐phase reaction of the dicarbonate (II) with excess 2‐bromoethylamine hydrobromide (I).
ChemInform Abstract: Sterically Shielded Halogenocyclobutanones. Part 1. Rearrangements of Cyclopropylsubstituted 2,2‐Dichlorocyclobutanones Induced by Potassium Hydroxide.
Authors: DONSKAYA N. A. , BESSMERTNYKH A. G. , DROBYSH V. A. , SHABAROV YU. S. 
Published: May 2016

AbstractThe vinylcyclopropanes (I) undergo (2+2) cycloadditions with dichloroketene, generated from trichloroacetyl chloride (II) and activated Zn, to give the title compounds (III).
ChemInform Abstract: Synthesis of 1‐Substituted Derivatives of Pentacyclo(6.3.0.02,6.03,10.05,9)undecane (Symmetric Tris‐Homocubane).
Authors: ALEKSANDROV A. M. , SOROCHINSKII A. E. , PETRENKO A. E. , KUKHAR' V. P. 
Published: May 2016

AbstractAdamantanone (I) and the pentacycloundecanone (III) react with BBr3, according to method A), to yield the geminal dibromo derivatives (II) or (IV).
ChemInform Abstract: Design and Synthesis of a Hapten for the Radioimmunoassay of Bupropion.
Authors: MEHTA N. B. , MUSSO D. L. 
Published: May 2016

AbstractFor use in a radioimmunoassay, the functionalized derivative (IVb) of the clinically evaluated antidepressant drug bupropion (VIa) is synthesized as outlined in the reaction scheme.
ChemInform Abstract: 2,2′‐Phthaloyl‐, 2,2′‐Isophthaloyl‐, and 2,2′‐Terephthaloylbis(1,1,1trimethylhydrazinium) Dihydroxide, Bis(Inner Salts): Synthesis, Partition Coefficients, Toxicity, and Effect on Ganglionic Transmission.
Authors: CATES L. A. , LI V.‐S. , BASRUR J. P. , ALKADHI K. A. 
Published: May 2016

AbstractThe hydrazinium salts (III) and (IV) are prepared and tested for their ability to block sympathetic ganglionic transmission.
ChemInform Abstract: An Improved Synthesis of 1,3‐Bis(tert‐butyl‐2‐substituted phenyl)propanes.
Authors: YAMATO T. , TSUGE A. , KOYA K. , KOBAYASHI K. , SAKAMOTO H. , TASHIRO M. 
Published: May 2016

AbstractThe 1,3‐diarylpropanes (VII) are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis of Some α,β‐Unsaturated Ketones. Part 1.
Authors: SINGH V. S. , GOEL S. C. , GUPTA S. M. L. 
Published: May 2016

AbstractThe α,β‐unsaturated ketones (III) and (VI) are synthesized by the Claisen condensation of aromatic aldehydes (I) and (IV) with the substituted ketones (II) and (V) respectively.
ChemInform Abstract: Synthesis of 2′‐Hydroxychalcones and Related Compounds in Interfacial Solid‐Liquid Conditions.
Authors: ALCANTARA A. R. , MARINAS J. M. , SINISTERRA J. V. 
Published: May 2016

Abstractα‐Hydroxyacetophenone (I) is coupled with the aldehydes (II) in the presence of a Ba(OH)2‐catalyst, yielding the 2‐hydroxyphenyl ethenyl ketones (III).
ChemInform Abstract: Synthesis and Antinociceptive Properties of a Series of exo‐ and endo‐ 6‐Hydroxy‐2‐aminobenzonorbornenes.
Authors: CROOKS P. A. , BURN P. , SEWELL R. D. E. , UPTON N. 
Published: May 2016

AbstractThe endo‐ and exo‐aminobenzonorbornenes (IVa) ‐ (IVc) and (VIa) ‐ (VIc) are prepared as rigid analogues of amphetamine using a definite stereochemical route as shown in the reaction scheme.
ChemInform Abstract: 3‐Acetylamino‐5‐methoxybenzofuran in Electrophilic Substitution Reactions.
Authors: SHEVCHENKO L. I. , TROFIMOV F. A. 
Published: May 2016

AbstractAminomethylation, formylation, azo coupling, or bromination of the title compound (II) occur exclusively in the 2‐position, forming the compounds (I), (III), (IV), or (V).
ChemInform Abstract: Cycloadditions to (b)Anellated Indole Derivatives. Part 3. (4+2)Cycloaddition to 1′‐Phenyl‐Substituted 3‐Vinylindoles with N‐Phenylmaleimide: An Access to New (a)Anellated Carbazole Derivatives.
Authors: PFEUFFER L. , PINDUR U. 
Published: May 2016

AbstractThe vinylindoles (I) react with N‐phenylmaleimide (II) to give the carbazoles (III) with predominance of the endo‐isomer.
ChemInform Abstract: Syntheses and Growth Retardant Activities of Trialkylammonium Iodides from Piperonal.
Authors: SHARMA M. L. , KAPOOR J. L. , SOOD N. , KAUR S. , KALSI P. S. 
Published: May 2016

AbstractThe piperonal derived amines (II), (Vc), and (VIIIc) are prepared as shown in the reaction scheme.
ChemInform Abstract: Synthesis of 5‐Chloro‐4,5‐diaryl‐δ3‐1,3‐oxazolin‐2‐ones.
Authors: BAL'ON YA. G. , SMIRNOV V. A. 
Published: May 2016

AbstractThe reaction of the oxazolinones (I) with PCl5 affords the title compounds (II) instead of the expected 2‐chlorooxazoles.
ChemInform Abstract: Control of Relative Stereochemistry in the Cycloadditive Route to β‐Hydroxy Carbonyls. Regio‐ and Stereoselective Exo Alkylation of δ2‐Isoxazolines.
Authors: CURRAN D. P. , CHAO J.‐C. 
Published: May 2016

AbstractLithiation of the isoxazolines (II) or (V) using LiNEt2 or LDA followed by alkylation affords the exo‐alkylated products (III) or (VI) with great regio‐ and stereoselectivities.
ChemInform Abstract: Synthesis and Antifungal Activity of Thiazolidinones.
Authors: RAI M. , DHIR B. S. , KALSI P. S. , SHARMA R. C. , JHOOTY J. S. 
Published: May 2016

AbstractThe thiazolidinones (IV) are prepared in a one‐pot procedure, starting with the imine (I) and thioglycolic acid (II).
ChemInform Abstract: Reactions of Heterocyclic Cations with N‐Containing Nucleophiles. Part 16. Study of the Reaction of 2,6‐Diphenylpyrylium Perchlorate with Diazoles.
Authors: ZHDANOV YU. A. , ZVEZDINA Z. A. , STATSENKO S. M. , MAKSIMOVA A. N. 
Published: May 2016

AbstractTreatment of the pyrylium salt (III) with the pyrazoles (I) or the pyrazolones (II) gives the compounds (IV) and (V), the pyrylium salts (VI) and (VII), or the pyrazolonylidenepyrans (VIII), depending on the substitution pattern in (I) and (II).
ChemInform Abstract: Alkylation and Acylation of Phenylthio‐2,3‐dideoxyhex‐2‐enopyranosides at the Anomeric Centre by Polarity Inversion.
Authors: VALVERDE S , GARCIA‐OCHOA S. 
Published: May 2016

AbstractSubstitution of the tri‐O‐acetyl‐D‐glucal (I) with thiophenol (II) produces the dideoxyenopyranosides (III).
ChemInform Abstract: Cyclopropanation of Coumarin and Subsequent Reactions.
Authors: SCHMITZ E. , SONNENSCHEIN H. 
Published: May 2016

AbstractCoumarin (I) reacts with the azirine (II) to give the cyclopropachromanone (III), treatment of which with the alkaline reagents (IV) affords, probably via (V), the dihydrobenzofurans (VI).
ChemInform Abstract: Isomerization of N‐Acyl‐1,2,5,6‐tetrahydropyridines to N‐Acylenamines by Palladium on Carbon.
Authors: WANNER K. TH. , KAERTNER A. + 
Published: May 2016

AbstractThe N‐acyltetrahydropyridines (I) undergo isomerization on treatment with palladium on carbon, forming the enamides (II).
ChemInform Abstract: Asymmetric α‐Amidoalkylation. Synthesis of α‐Substituted Piperidines of High Enantiomeric Purity.
Authors: WANNER K. TH. , KAERTNER A. + 
Published: May 2016

AbstractThe chiral enamide (I) is converted into the iminium salt (III) which reacts with the silyl enol ethers (IV), yielding the diastereomeric amidoalkylation products (V) and (VI).
ChemInform Abstract: Nitriles in Heterocyclic Synthesis: Novel Synthesis of Benzo(c)coumarin and of Benzo(c)pyrano(3,2‐c)quinoline Derivatives.
Authors: HAFEZ E. A. A. , ELNAGDI M. H. , ELAGAMEY A. G. A. , EL‐TAWEEL F. M. A. A. 
Published: May 2016

AbstractThe benzo(c)coumarins (IV) are prepared from 3‐cyano‐4‐methylcoumarin (I) and the styryl derivatives (VI) by reaction with the nitriles (II) and (V) respectively.
ChemInform Abstract: Structure and Ambiphilic Reactivity of Indolizines. Part 1. Isomeric 6‐ and 8‐Nitroindolizines.
Authors: BOBROVSKII S. I. , BABAEV E. V. , BUNDEL' YU. G. 
Published: May 2016

AbstractReaction of the nitro‐2,4‐lutidines (I) with bromoacetone (II) gives the pyridinium salts (III) which are cyclized, forming the nitroindolizines (IV).
ChemInform Abstract: Novel Intramolecular Diels‐Alder Reactions of Pyrimidines. Synthesis of Heterocyclic Annelated Pyridines.
Authors: FRISSEN A. E. , MARCELIS A. T. M. , VAN DER PLAS H. C. 
Published: May 2016

AbstractThe alkynyloxy, alkynylthio, or alkynylaminopyrimidines (I) and (V) undergo ring closure upon thermolysis to form the fused pyridines (IV) and (VI) probably by retro‐Diels‐Alder cleavage of tricyclic intermediates such as (II).
ChemInform Abstract: Interaction of Thietes with Electron‐Deficient Molecules.
Authors: MARINUZZI‐BROSEMER S. , PATWARDHAN B. H. , GREENBERG K. A. , DITTMER D. C. 
Published: May 2016

AbstractCycloaddition reaction of o‐chloranil (Ia) and o‐bromanil (Ib) with the thietes (II) yields the dihydrothiacyclobutabenzodioxins (III).
ChemInform Abstract: Stereochemical Studies. Part 107. Saturated Heterocycles. Part 111. Preparation of Uracils via Cycloreversion of Norbornene‐Fused Pyrimidinediones.
Authors: BERNATH G. , STAJER G. , SZABO A. E. , SZOEKE‐MOLNAR Z. + , SOHAR P. , ARGAY G. , KALMAN A. 
Published: May 2016

AbstractReaction of the isocyanates (II) with the norbornane (I) and the norbornene (VI) yields the compounds (III) and (VII), respectively.
ChemInform Abstract: Synthesis and Anthelmintic Activity of Some New Isothiocyanates, Carbamates, and N′‐Furoylthioureas Derived from 6‐Amino‐3‐aryl/heteroaryl2H‐1,4‐benzoxazines.
Authors: SHRIDHAR D. R. , RAO K. S. , RASTOGI K. , GANDHI S. S. 
Published: May 2016

AbstractStarting with the 4‐nitro‐2‐aminophenol (I) and the substituted bromomethyl ketones (II), the benzoxazines (III) are prepared.
ChemInform Abstract: Electronic Effects of as‐Triazinyl Groups.
Authors: SHKURKO O. P. , GOGIN L. L. , BARAM S. G. , MAMAEV V. P. 
Published: May 2016

AbstractThe 3‐, 5‐, and 6‐substituted triazines (IV), (VII), and (VIII) are synthesized as shown in the reaction scheme.
ChemInform Abstract: Synthesis of 1‐Benzoxepins from the Adducts of Dichlorocarbene to Chromenes.
Authors: KOBLIK A. V. , SUZDALEV K. F. , LOKTIONOV A. A. 
Published: May 2016

AbstractThe fused dichlorocyclopropanes (II) and (VIII), prepared from the chromenes (I) or (VII) and dichlorocarbene, are converted to the benzoxepins (III) ‐ (VI), (IX), or (X) and (XI), depending on the substituents.
ChemInform Abstract: Macroheterocycles. Part 25. A Suitable Method for the Synthesis of Crown Compounds with Thiocarbamide Groups.
Authors: LUK'YANENKO N. G. , KIRICHENKO T. A. , LIMICH V. V. , BOGATSKII A. V. 
Published: May 2016

AbstractReaction of the polyoxyethylenediamines (I) with the diisothiocyanates (II) according to the high dilution principle gives the symmetric and asymmetric crown compounds (III).
ChemInform Abstract: PH‐Functional Phosphanes Containing a 2‐Pyridyl Substituent in α‐ or β‐Position: 2‐C5H4N‐(CH2)n‐PHR (R: H, iPr, tBu, Ph, 2‐C5H4N‐(CH2)n; n = 1, 2).
Authors: SPIEGEL G. U. , STELZER O. 
Published: May 2016

AbstractThe title phosphines are prepared as shown in the scheme.
ChemInform Abstract: Reactions of Ethylene Glycol Chlorophosphite with Allylamine.
Authors: KROLEVETS A. A. , POPOV A. G. 
Published: May 2016

AbstractThe allylic group of the primary reaction product (III) from the chlorophosphite (I) and allylamine (II) undergoes N‐P shift upon distillation, forming the iminodioxaphospholane (IV).
ChemInform Abstract: 1,3,2‐Diazaphosphorinanes. Part 6. Synthesis and Study of N,N′‐Disilylated 1,3,2‐Diazaphosphorinanes.
Authors: KUROCHKIN V. V. , ZAVALISHINA A. I. , ORZHEKOVSKAYA E. I. , BEKKER A. R. , AGRANOVICH A. G. , NIFANT'EV E. E. 
Published: May 2016

AbstractThe disilylated diazaphosphorinanes (III) are synthesized either by silylation of the diazaphosphorinanes (I) or by cyclization of the N,N'‐disilyldiamines (V).
ChemInform Abstract: Tris(2,4,6‐trimethylphenyl)antimony Dihydroxide: Synthesis and Reaction with Sulfonic Acids RSO3H (R = C6H5, CF3). Crystal Structure of (2,4,6‐(CH3)3C6H2)3SbO·HO3SC6H5.
Authors: HUBER F. , WESTHOFF T. , PREUT H. 
Published: May 2016

AbstractOxidation of tris(mesityl)antimony (I) with H2O2 yields tris(mesityl)antimony dihydroxide (II) which reacts with the sulfonic acids (III) to form the adducts (IV).
ChemInform Abstract: Low‐Valent Molybdenum Carbonyl Complexes as an Entry to Octahedral MoI3L3 Complexes. Synthesis and X‐Ray Molecular Structure of MoI3(THF)3.
Authors: COTTON F. A. , POLI R. 
Published: May 2016

AbstractA convenient route to (III) is developed by iodine oxidation of Mo(0)‐carbonyl (I) and Mo(II)‐carbonyl complexes (IV) in THF (II) as solvent.
ChemInform Abstract: Preparation and Characterization of Molybdenum(IV)‐Alkyne Complexes Containing Bulky Aryloxide or Arenethiolate Ligands.
Authors: WALBORSKY E. C. , WIGLEY D. E. , ROLAND E. , DEWAN J. C. , SCHROCK R. R. 
Published: May 2016

AbstractStarting with the tetrachloroalkyne complexes (III) or the tetrakis(arenethiolate) complexes (VII), the title complexes (I) and (II) are prepared as shown in the scheme.
ChemInform Abstract: Paramagnetic Copper(I) Dimers.
Authors: KAIM W. , KOHLMANN S. 
Published: May 2016

AbstractThe reaction of the binucleating α‐diimine (I) with the Cu complex (II) yields a binuclear diamagnetic complex, which on electrochemical as well as on chemical one‐electron reduction leads to the paramagnetic Cu(I) dimer (IIIa) with an anion radical ligand.
ChemInform Abstract: Synthesis and Reactions of Icosahedral Rhodacarboranes Bearing η3‐Allyl, Alkyl, and Acyl Moieties at the Metal Vertex.
Authors: WALKER J. A. , ZHENG L. , KNOBLER C. B. , SOTO J. , HAWTHORNE M. F. 
Published: May 2016

AbstractThe formal anionic Rh(I) species, prepared by abstraction of the hydrido ligand from the rhodacarborane (I), serves as a nucleophile in the reaction with allyl chlorides to afford the derivatives (III).
ChemInform Abstract: Organometallic Rhodium(III) Complexes as Catalysts for the Photoreduction of Protons to Hydrogen on Colloidal TiO2.
Authors: KOELLE U. + , GRAETZEL M. + 
Published: May 2016

AbstractThe photoreduction of protons to H2 by sunlight and colloidal TiO2 in the presence of the Rh(III) complexes (I) is possible without the participation of colloidal Pt and is not restricted to alkaline solution.
ChemInform Abstract: Separation, Characterization, and Stability of Products from cis‐PtCl2(NH3)2 and (PtCl(dien))Cl with 9‐Ethylguanine, Formed Under Neutral or Alkaline Conditions. Evidence for a Migration of the Platinum Moiety from N1 to N7.
Authors: VAN DER VEER J. L. , VAN DEN ELST H. , REEDIJK J. 
Published: May 2016

AbstractSyntheses, separation by cation‐exchange chromatography, and characterization by 1H NMR spectra of various adducts obtained from the reaction of the monofunctional (PtCl(dien))Cl (dien: diethylenetriamine) and the bifunctional cis‐PtCl2(NH3)2 with 9‐ethylguanine (I) at pH 7 and pH 10.5 are reported.
ChemInform Abstract: Synthesis of Novel Unsaturated meso‐Tetraarylporphyrines.
Authors: ZHAMKOCHYAN G. A. , AKOPYAN M. E. , AKOPYAN L. M. , KURTIKYAN T. S. 
Published: May 2016

AbstractThe tetraarylporphyrines (Ia) ‐ (Ic), (Ie), and (If) are prepared as shown in the reaction scheme.
ChemInform Abstract: Retinoids. Part 9. Regulation of the 6‐s Equilibrium Conformation of Retinal in Bacteriorhodopsin by Substitution at C‐5; 5‐Methoxy‐ and 5‐Ethylretinalbacteriorhodopsin.
Authors: KOELLING E. + , OESTERHELT D. , HOPF H. , KRAUSE N. 
Published: May 2016

Abstract5‐Methoxyretinal (IXa) is prepared from the ester (I) via threefold chain elongation.
ChemInform Abstract: Steroids and Related Natural Products. Part 107. Bufadienolides. Part 39. Synthesis of 5α‐Cinobufagin.
Authors: KAMANO Y. , DRASAR P. , PETTIT G. R. , TOZAWA M. 
Published: May 2016

AbstractSince venomous toad secretions of the bufadienolide class are known to possess cell growth inhibitory and cardiac properties, the role of a trans‐fused A ring in the cinabufagin skeleton is investigated.
ChemInform Abstract: Selective Reduction of the Formylated Bile Acids to the Corresponding Formylated Bile Alcohols Analogs.
Authors: MALIK A. A. , SHARTS C. M. 
Published: May 2016

AbstractThe derivatives (I) of cholic acid or bile acid are converted to the corresponding steroid alcohols (II) by selective reduction with borane/ tetrahydrofuran complex.
ChemInform Abstract: Novel 10β‐Thiiranyl Steroids as Aromatase Inhibitors.
Authors: CHILDERS W. E. , ROBINSON C. H. 
Published: May 2016

AbstractReaction of the epimeric 10β‐oxiranyl‐4‐estrene‐3,17‐diones (I) and (III) with triphenylphosphine sulfide and picric acid produces the 10β‐thiiranyl derivatives (II) and (IV) which are competitive inhibitors of placental microsomal aromatase.
ChemInform Abstract: Photochemical Oxidation of Partially Protected Derivatives of α‐D‐Glucofuranose and β‐D‐Fructofuranose.
Authors: DEN DRIJVER L. , HOLZAPFEL C. W. , VAN DYK M. S. , KRUGER G. J. 
Published: May 2016

AbstractAcetalization of D‐fructose (I) by an improved procedure yields (IIIa) which reacts regioselectively with pyruvyl chloride (IV) to give (IIIb).
ChemInform Abstract: Metallation of 3‐Acetyltetramic Acids: A New Synthesis of 3‐Dienoyl‐ and 3‐Trienoyltetramic Acids.
Authors: JONES R. C. F. , BATES A. D. 
Published: May 2016

AbstractThe pyrrolidine‐2,4‐dione (I), prepared from L‐valine, is deprotonated with butyllithium to form the trilithio derivative (II).
ChemInform Abstract: Chemistry of Penicillin Diazoketones. Part 2. From β‐Lactam to β‐Lactone.
Authors: LUDESCHER H. , MAK C.‐P. , SCHULZ G. , FLIRI H. 
Published: May 2016

AbstractThe penicillanic acid methyl ester (I) is transformed into the diazoketone (II) which decomposes on treatment with catalytic amounts of rhodium(II) acetate to yield the β‐lactone (III).
ChemInform Abstract: Synthesis of Some 4‐Acyloxy‐7‐oxo‐1‐azabicyclo(3.2.0)hept‐2‐ene‐2‐carboxylates.
Authors: BATESON J. H. , QUINN A. M. , SOUTHGATE R. 
Published: May 2016

AbstractThe silylated azetidinones (Ia) and (IIa) are oxidized under Sharpless conditions to yield the hydroxy compounds (Ib) and (IIb).
ChemInform Abstract: Structure of the Mixed‐Valence, Chloro‐Bridged Dimeric Complex Cation (Ru2(NH3)6Cl3)2+.
Authors: HUGHES M. N. , O'REARDON D. , POOLE R. K. , HURSTHOUSE M. B. , THORNTON‐PETT M. 
Published: May 2016

Abstract(Ru2(NH3)6Cl3)(BPh4)2 crystallizes in the monoclinic system, space group P21/a with Z=4.