bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Electron Transfer Reactions of Bis(dicarbonyl(pentamethylcyclopentadienyl)iron) with Organic Compounds.
Authors: BERGAMINI P. , SOSTERO S. , TRAVERSO O. 
Published: May 2016

AbstractThe title complex (I) reacts with one equiv. of tetracyanoethylene and tetracyanoquinodimethane to give the compounds (II).
ChemInform Abstract: Copper(I)‐Benzimidazole Adducts: From Mononuclear to Polymeric Complexes.
Authors: TOTH A. , FLORIANI C. , CHIESI‐VILLA A. , GUASTINI C. 
Published: May 2016

AbstractThe reaction of CuI with benzimidazole (Ia) in a constant starting 1:2 molar ratio leads to the structurally different complexes (II)‐(V) depending on the solvent used.
ChemInform Abstract: Spectroscopic, Electrochemical, and Kinetic Characterization of New Ruthenium(II) Tris‐Chelates Containing Five‐Membered Heterocyclic Moieties.
Authors: ORELLANA G. , QUIROGA M. L. , BRAUN A. M. 
Published: May 2016

AbstractRu(II) chelates (I) are prepared by reaction of RuCl3·3 H2O with an excess of the NN‐ligand in refluxing ethylene glycol or ethanol followed by addition of NH4PF6.
ChemInform Abstract: Syntheses of Bile Pigments. Part 15. First Unequivocal Assignment of the Absolute Configuration of an Urobilinoid Bile Pigment by X‐Ray Diffraction Analysis of Its Synthetic Precursor.
Authors: PASQUIER C. , GOSSAUER A. , KELLER W. , KRATKY C. 
Published: May 2016

AbstractThe ester (II) serves as starting material for the synthesis of the racemic mixture (Va)/(Vb).
ChemInform Abstract: Nucleotides. Part 28. Chemical Syntheses of the 2′‐5′‐Cordycepin‐Trimer Core (I).
Authors: CHARUBALA R. , UHLMANN E. , HIMMELSBACH F. , PFLEIDERER W. 
Published: May 2016

AbstractThe synthesis of the title compound (I) is described by three different routes using various protecting groups and applying the phosphotriester approach.
ChemInform Abstract: Stereospecific Dicobalt Octacarbonyl Mediated Enyne Cyclization for the Enantiospecific Synthesis of a 6a‐Carbocycline Analogue.
Authors: MAGNUS P. , BECKER D. P. 
Published: May 2016

AbstractThe butenolide (I), available from D‐(+)‐ribonolactone, is converted to the enyne (IX) as shown.
ChemInform Abstract: Stability of Double Chlorides in the Systems ACl/PrCl3 (A: Na‐Cs).
Authors: SEIFERT H. J. , SANDROCK J. , UEBACH J. 
Published: May 2016

AbstractIn the course of a reinvestigation of the pseudo‐binary title systems using DTA the chlorides (I)‐(IX) are detected ((I), (IV), (VI), and (VIII) for the first time).
ChemInform Abstract: Enantioselective Construction of Dialkylcarbinols: Synthesis of (‐)‐5‐Hexadecanolide.
Authors: TABER D. F. , DEKER P. B. , GAUL M. D. 
Published: May 2016

AbstractDepending on the reaction conditions A) or B), the reduction of the enantiomerically pure β‐keto ester (I) affords either the alcohol (II) or (III) as main product.
ChemInform Abstract: Pentacoordinate Silicon Compounds in Synthesis: Regiospecific Allylation of Aldehydes by Use of Triethylammonium Bis(pyrocatecholato)allylsilicates.
Authors: HOSOMI A. , KOHRA S. , TOMINAGA Y. 
Published: May 2016

AbstractThe allyltrialkoxysilanes (I) react with pyrocatechol (II) and triethylamine (III) to yield the pentacoordinate triethylammonium allylsilicates (IV).
ChemInform Abstract: Samarium(II)‐Mediated Reaction of Allylic Phosphate Esters with Carbonyl Compounds: A New Method for “Umpolung” of Allylic Phosphates.
Authors: ARAKI S. , HATANO M. , ITO H. , BUTSUGAN Y. 
Published: May 2016

AbstractThe allylic phosphates (I) are coupled with the carbonyl compounds (II) in the presence of samarium diiodide to form the homoallylic alcohols (III) and (IV).
ChemInform Abstract: An Efficient Synthesis of Chiral Quaternary Carbon Centres with High Optical Purity via 1,3‐Chirality Transfer.
Authors: IBUKA T. , TANAKA M. , NISHII S. , YAMAMOTO Y. 
Published: May 2016

AbstractThe O‐protected methyl polyhydroxyenoates (II), (IV), and (VI) are α‐alkylated with the cuprates (I) to give the chiral unsaturated esters (III), (V), and (VII).
ChemInform Abstract: Sterically Shielded Halocyclobutanones. Part 3. (2 + 2)Cycloaddition of Dichloroketene to Cyclopropyl Substituted Methylenecyclopropanes.
Authors: DONSKAYA N. A. , BESSMERTNYKH A. G. , GRUSHINA O. E. , LINDEMAN S. V. , PETROV V. I. , STRUCHKOV YU. T. , SHABAROV YU. S. 
Published: May 2016

AbstractDichloroketene, which is generated in situ from trichloroacetic anhydride (II) and activated Zn, undergoes regiospecific (2 + 2)cycloaddition to the methylenecyclopropanes (I) to yield the dichlorocyclobutanones (III).
ChemInform Abstract: Introduction of a Triple Bond into the Bicyclo(6.1.0)nonane Skeleton.
Authors: MEIER H. , ANTONY‐MAYER C. , SCHULZ‐POPITZ C. , ZERBAN G. 
Published: May 2016

AbstractThe starting ketones (I), (IX) or (XIV), which are known or prepared by various methods, undergo reaction with semicarbazone (II) and subsequent SeO2 (IV) treatment to give the selenadiazoles (VI), (XI), (XII) or (XVII).
ChemInform Abstract: Functionalization of Adamantane and Bicyclo(3.3.1)nonane in Liquid Bromine.
Authors: BAKLAN V. F. , KHIL'CHEVSKII A. N. , KUKHAR' V. P. 
Published: May 2016

AbstractThe hydrocarbons (Ia) and (Ib), specified in the title, are converted to their derivatives (V), (VII), (IX) and (XI).
ChemInform Abstract: Photochemistry of Bridged Cycloheptadienes. Multiplicity Dependent Pericyclic Rearrangements of Excited Bicyclo(4.2.1)nona‐2,4‐diene‐ 7,7,8,8‐tetracarbonitrile.
Authors: GOLDSCHMIDT Z. , GENIZI E. 
Published: May 2016

AbstractThe bridged cycloheptadiene (III), obtained from cycloheptatriene (I) and the tetracyanoethylene (II), gives the rearranged tricyclononenetetracarbonitrile (IV) upon direct photolysis.
ChemInform Abstract: The First Enantioselective Synthesis of Polyoxygenated α‐Hydroxydihydrochalcones and Circular Dichroic Assessment of Their Absolute Configuration.
Authors: BEZUIDENHOUDT B. C. B. , SWANEPOEL A. , AUGUSTYN J. A. N. , FERREIRA D. 
Published: May 2016

AbstractEpoxidation of the chalcone (I) in the presence of poly‐L‐alanine or poly‐D‐alanine yields the enantiomeric trans‐substituted epoxides (‐)‐(II) or (+)‐(II) which are cleaved by hydrogenation, producing the optically active alcohols (III).
ChemInform Abstract: Spirofluorene. Part 3. Reaction of 2,2‐Dichlorospiro(cyclopropane‐1,9′‐ fluorene) Derivatives with n‐Bu3SnH.
Authors: NISHIDA A. , KOBAYASHI T. , AKIYAMA S. , SUIZU H. , FUJISAKI S. , KAJIGAESHI S. 
Published: May 2016

AbstractThe title compounds (I) react with tributyltin hydride to form the 9‐(1‐chloroethenyl)fluorene derivatives (II) and/or the bis(alkylidene)cyclobutane derivatives (III).
ChemInform Abstract: Catalytic Asymmetrical Epoxidation of Methyl‐7‐hydroxy‐5E‐heptenoate.
Authors: KORNILOV A. M. , SOROCHINSKII A. E. , BUTOVICH I. A. , KUKHAR' V. P. 
Published: May 2016

AbstractA novel method for the preparation of methyl (5S,6S)‐epoxy‐7‐hydroxyheptanoate (II) is reported.
ChemInform Abstract: A New Synthesis of Substituted Spiro Butyrolactones via Dyotropic Rearrangement.
Authors: BLACK T. H. , DUBAY W. J. III 
Published: May 2016

AbstractThe carboxylic acids (I) are coupled with cyclohexanecarboxaldehyde (II) to produce the β‐hydroxycarboxylic acids (III) which form the β‐lactones (IV).
ChemInform Abstract: A Simple, General Diastereoselective Synthesis of 5‐Hydroxyalkylbutan‐ 4‐olides.
Authors: JEFFORD C. W. , WANG Y. 
Published: May 2016

AbstractPent‐4‐ynoic acid (I) is alkylated with the halides (II) and then selectively reduced, forming the cis‐ or trans‐alkenoic acids (IV) and (VII).
ChemInform Abstract: Synthesis and Antibacterial Activity of Azomethines and Thiazolidinone Derivatives of Benzimidazoles.
Authors: SAKSENA R. K. , SRIVASTAVA S. K. 
Published: May 2016

AbstractThe aminomethylbenzimidazoles (I) react with the aldehydes (II) to give the azomethines (III) which undergo cyclocondensation with mercaptoacetic acid (IV), yielding the thiazolidinones (V).
ChemInform Abstract: Mercury in Organic Chemistry. Part 35. Synthesis of Vinylic Lactones from Vinylmercurials and Alkenoic Acids via Intramolecular π‐Allylpalladium Displacement.
Authors: LAROCK R. C. , LEUCK D. J. , HARRISON L. W. 
Published: May 2016

AbstractThe vinylmercurials (I) react with the unsaturated carboxylic acids (II) in the presence of a Pd(II) catalyst to give the lactones (III).
ChemInform Abstract: Synthesis of 2,3‐Dihydro‐5,7‐dihydroxy‐8‐(γ,γ‐dimethylallyl)‐2‐(4′‐hydroxy‐2′‐me# thoxy)phenyl‐4H‐1‐benzopyran‐4‐one.
Authors: CHOPRA R. , KRISHNAMURTI M. 
Published: May 2016

AbstractThe acetophenone (I) is coupled with the benzaldehyde (II) to produce the chalcone (IIIa).
ChemInform Abstract: (3R,4R,5S)‐5‐Acetamido‐3,4‐piperidinediol: A Selective Hexosaminidase Inhibitor.
Authors: BERNOTAS R. C. , GANEM B. 
Published: May 2016

AbstractRing opening of the 6‐bromoglucopyranoside (I) with zinc and simultaneous reductive amination yield the amidoalkenes (III) and (IV).
ChemInform Abstract: Synthesis of 2‐Amino‐4‐aryl‐3‐(1‐aziridinylmethyl)‐ and 2‐Amino‐4‐aryl‐ 3‐(1‐piperidylmethyl)quinolines.
Authors: CHORBADJIEV S. , IVANOV CH. , MOSKOVA B. 
Published: May 2016

AbstractThe 2‐aminobenzophenones (I) undergo cyclocondensation with N‐(cyanoethyl)aziridine (IIa) or the corresponding piperidine (IIb), producing the quinoline derivatives (III).
ChemInform Abstract: Synthesis of Annelated Pyridines from 1,5‐Diketone Equivalents Using Cupric Acetate and Ammonium Acetate.
Authors: BELL T. W. , ROTHENBERGER S. D. 
Published: May 2016

AbstractThe tricyclic hydroxy ketone (I) reacts with ammonium acetate (II) in the presence of oxidants to produce the octahydroacridine (IV).
ChemInform Abstract: 1,3,5,2,4‐Trithiadiazines. A New Ring System.
Authors: BANNISTER R. M. , JONES R. , REES C. W. , WILLIAMS D. J. 
Published: May 2016

AbstractThe diazomethanes (I) undergo ring closure reaction with tetrasulfur tetranitride (II) to form the trithiadiazines (III).
ChemInform Abstract: 1‐Phenylthio‐1‐(trimethylsiloxy)cyclopropanes via the Sila‐Pummerer Rearrangement.
Authors: BHUPATHY M. , COHEN T. 
Published: May 2016

AbstractThe 1‐silylcyclopropyl phenyl sulfides (I) are converted to the sulfoxides (IIa) ‐ (IIc) which rearrange upon refluxing in benzene, forming the 1‐siloxycyclopropyl sulfides (III).
ChemInform Abstract: CO Hydrogenation, Deoxygenation, and C‐C Coupling Promoted by ((silox)2TaH2)2.
Authors: TOREKI R. , LAPOINTE R. E. , WOLCZANSKI P. T. 
Published: May 2016

AbstractCarbonylation of the complex (I) gives the thermally sensitive product (III) which on further CO uptake yields the derivative (IV) with reformation of the C‐O bond.
ChemInform Abstract: Derivatized Polyoxomolybdates. Synthesis and Characterization of Oxomolybdate Clusters Containing Coordinatively Bound Diazenido Units. Crystal and Molecular Structure of the Octanuclear Oxomolybdate (NHEt3)2(n‐Bu4N)2(Mo8O20(NNPh)6) and Comparison to the Structures of the Parent Oxomolybdate α‐(n‐Bu4N)4(Mo8O26) and the Tetranuclear (Diazenido)oxomolybdates (n‐Bu4N)2(Mo4O10(OMe)2(NNPh)2) and (n‐Bu4N)2(Mo4O8(OMe)2(NNC6H4NO2)4).
Authors: HSIEH T.‐C. , SHAIKH S. N. , ZUBIETA J. 
Published: May 2016

AbstractReactions of the isopolymolybdate (I) with phenylhydrazine yield a variety of derivatized polyoxomolybdates containing the cis‐bis(diazenido)molybdenum core (Mo(NNR)2)2+ which persists in a variety of solvents and synthetic conditions and provides a nucleus for aggregation in cluster formation.
ChemInform Abstract: Oxidative Addition to M‐M Quadruple Bonds. Preparation of New Edge‐Sharing Bioctahedral Complexes of the Type (L‐L)Cl2M(μ‐Cl)2MCl2(L‐L) (M: Mo, W, L‐L: 1,2‐Bis(diphenylphosphino)ethane; M: Mo, L‐L: 1‐(Diethylphosphino)‐2‐(diphenylphosphino)ethane).
Authors: AGASKAR P. A. , COTTON F. A. , DUNBAR K. R. , FALVELLO L. R. , O'CONNOR C. J. 
Published: May 2016

AbstractThe title complex (Ia) is prepared by oxidative addition of chlorine to the quadruple bonds of the β‐ (II) or α‐Mo2Cl4(Ph2PCH2CH2PPh2)2 (III).
ChemInform Abstract: Two‐Coordinate, Nonlinear, Crystalline d6 and d7 Complexes: Syntheses and Structures of M(N(SiMePh2)2)2, M: Fe or Co.
Authors: BARTLETT R. A. , POWER P. P. 
Published: May 2016

AbstractThe title complexes are prepared by 1:2 molar reaction of FeBr2 or CoCl2 with LiN(SiMePh2)2 in ether with a yield of 63 and 65%, respectively.
ChemInform Abstract: Preparation and Characterization of (Alkylperoxo)cobalt(III) Porphyrins: First Direct Evidence for Metal‐Carbon Bond Homolysis in Dioxygen Insertion Reactions.
Authors: KENDRICK M. J. , AL‐AKHDAR W. 
Published: May 2016

AbstractThe reaction of (I) with O2 gives the new species (II).
ChemInform Abstract: Preparation and Characterization of Triphospholene Complexes of Zerovalent Platinum: Crystal and Molecular Structure of Cyclic(Pt((CF3)P(CF3)P(CF3)PC(CF3)=C(CF3))(PPh3)2).
Authors: PHILLIPS I. G. , BALL R. G. , CAVELL R. G. 
Published: May 2016

AbstractThe triphospholene (II) reacts with the Pt(O) complexes (I) and (IV) at ‐50 °C to give unidentified red complexes that decompose at +25°C to give the complexes (III).
ChemInform Abstract: Antineoplastic Agents. Part 150. The Structure and Synthesis of Dolastatin 3.
Authors: PETTIT G. R. , KAMANO Y. , HOLZAPFEL C. W. , VAN ZYL W. J. , TUINMAN A. A. , HERALD C. L. , BACZYNSKYJ L. , SCHMIDT J. M. 
Published: May 2016

AbstractThe structure of the title compound (IV) is unequivocally confirmed by 1H NMR measurements.
ChemInform Abstract: Anchoring of Amino Acids on Hydroxy Group‐Containing Resins and Their Application to Peptide Synthesis Using N‐Tritylamino Acid 1‐Benzotriazolyl Esters.
Authors: BARLOS K. , GATOS D. , KALLITSIS J. , PAPAIOANNOU D. , SOTIRIOU P. , SCHAEFER W. + 
Published: May 2016

AbstractTrityl‐ and fluorenylmethoxycarbonyl acids are attached to p‐alkoxybenzyl alcohol resin (ABAR (I)) and diphenylmethanol resin (DPMR (II)) using triphenylphosphane and diethyl azodicarboxylate at 0 °C in tetrahydrofuran.
ChemInform Abstract: Syntheses of Hydroxylated Bipyridines. Part 2. 3,4′‐Dihydroxy‐2,3′‐bipyridine.
Authors: DEHMLOW E. V. , SCHULZ H.‐J. 
Published: May 2016

AbstractA best yield of the desired unsym. diether (V) is obtained from pyridines (I) and (II) as given in the scheme; (PPh3)4Ni(0) instead of Ni(0) does not give a better one.
ChemInform Abstract: On the Polymolybdate Types Occurring at High Degrees of Acidification, with Particular Reference to the “Decamolybdates” and “Phase C” Polymolybdates.
Authors: TYTKO K. H. , BAETHE G. 
Published: May 2016

AbstractIt is shown that in highly acidified molybdate solutions only two types of solid polymolybdates exist, namely the 36‐molybdate and the decamolybdate types.
ChemInform Abstract: Crystal Growth and Crystal Structure of Gd3Sb5O12: A New Relation Between the ccp and the Mn5Si3 and Apatite Structures.
Authors: MARCANO C. M. , RASINES I. , VEGAS A. , OTERO‐DIAZ L. C. 
Published: May 2016

AbstractPoor‐shaped, red‐orange single crystals of the title compound are grown from a suspension of Gd2O3 and Sb2O3 in a 20% aqueous KF solution under hydrothermal conditions (Gd:Sb = 3:5, 770 K, 1500 bar, 10 d).
ChemInform Abstract: Reaction of Dehydrated Na12‐A with Cesium. Synthesis and Crystal Structure of Fully Dehydrated, Fully Cs+‐Exchanged Zeolite A.
Authors: HEO N. H. , SEFF K. 
Published: May 2016

AbstractA fully Cs+‐exchanged, fully dehydrated zeolite A, C12‐A·0.5 Cs (I), is synthesized by reduction of the Na+ ions in Na12‐A with ca. 0.1 torr of Cs vapor at 350 °C. An intermediate composition Cs8.5Na3.5‐A·0.5 Cs (II) is obtained by reaction at 250 °C. Two crystal structures of (I) and one of (II) are determined in the cubic space group Pm3m. (I) can best be viewed as a mixture of Cs12‐A and Cs12‐A·Cs, and (II) as a mixture of Cs8N4‐A and Cs9Na3‐A·Cs.
ChemInform Abstract: Electrolytic Properties of LiClO4‐Propylene Carbonate Mixed with Amide‐Solvents for Lithium Batteries.
Authors: TOBISHIMA S. , ARAKAWA M. , YAMAKI J. 
Published: May 2016

AbstractIt is shown that the conductivity of propylene carbonate (PC) mixed with amide‐solvents such as DMF, N,N‐dimethylacetamide (DMA), or N,N‐dimethylacetoacetamide (DMAA) is higher than that of PC alone.
ChemInform Abstract: Hydrodesulfurization Over a TiO2‐ZrO2‐Supported CoO‐MoO3 Catalyst.
Authors: DALY F. P. , ANDO H. , SCHMITT J. L. , STURM E. A. 
Published: May 2016

AbstractIt is demonstrated that the preparation methodology for TiO2‐ZrO2 not only affects its physical properties such as surface area and porosity, but also its surface chemistry.
ChemInform Abstract: Synthesis and Characterization of Ti5Te4‐Type Molybdenum Cluster Compounds, AxMo5As4 (A: Cu, Al, or Ga).
Authors: NANJUNDASWAMY K. S. , GOPALAKRISHNAN J. 
Published: May 2016

AbstractThe clusters AxMo5As4 (A: Cu, 1 ≤ x ≤ 4, A: Al, Ga, x = 2) have been prepared from stoichiometric mixtures of the elements (1000‐1050 °C, 15 d).
ChemInform Abstract: Preparation and Electric Properties of Double Oxides of Lanthanum and Nickel.
Authors: SAVCHENKO V. F. , IVASHKEVICH L. S. , LYUBKINA I. YA. 
Published: May 2016

AbstractLa3Ni2O6.72 (I) and La4Ni3O9.66 (II) are obtained from appropriate mixtures of La2(C2O4)3·10 H2O and NiC2O4·2 H2O by heating in air at 1370 K (56 and 280 h, resp.).
ChemInform Abstract: Conformationally Dependent Intrinsic and Equilibrium Isotope Effects in N‐Methylpiperidine.
Authors: FORSYTH D. A. , HANLEY J. A. 
Published: May 2016

AbstractFrom NMR data a calculated value for the equilibrium (IA)/(IB) at 19.5 °C of Kcis = 1.234 ±0.018 is obtained.
ChemInform Abstract: Annihilation of Aromatic Cation Radicals by Ion‐Pair and Radical‐Pair Collapse. Unusual Solvent and Salt Effects in the Competition for Aromatic Substitution.
Authors: SANKARARAMAN S. , HANEY W. A. , KOCHI J. K. 
Published: May 2016

AbstractThe fate of the geminate species (ArH·+, C(NO2)3‐, NO· 2) produced by irradiation of the CT absorption band of the EDA complex (ArH, (III)) depends strongly on the solvent polarity and the presence of added salts such as Bu4N+ClO4‐.
ChemInform Abstract: Photocycloaddition of Quinoxalin‐2‐ones and Benzoxazin‐2‐ones to Aryl Alkenes.
Authors: NISHIO T. , OMOTE Y. 
Published: May 2016

AbstractA wide range of azetidines such as (III) and (V) are obtained from quinoxalinones (I) and (IVa)‐(IVc) or benzoxazinones (IVd) and alkenes (II).
ChemInform Abstract: Intramolecular Photocycloaddition Reactions of 1‐Acyl‐3‐oxa‐1,5‐hexadienes.
Authors: MATLIN A. R. , MCGARVEY D. J. 
Published: May 2016

AbstractThe alkenyl(oxy)cyclopentenones (I) and the related cyclohexenones (IV) and (VII) are photolyzed to yield the tricyclic products (II) and (III), (V) and (VI) or (VIII).
ChemInform Abstract: Reagent‐Controlled Enantioselective Homoaldol Reaction with Chiral 1‐Oxyallyllithium Derivatives. Enantio‐Divergent Tuning by Achiral Titanium Reagents.
Authors: KRAEMER T. + , HOPPE D. 
Published: May 2016

AbstractThe O‐allylic carbamates (I) are consecutively lithiated, treated with titanium(IV) salts and then coupled with the chiral α‐siloxy aldehyde (II) to form the homoallylic alcohols (III).
ChemInform Abstract: A General and Unexpected Synthesis of 2‐(2‐Chloro‐2‐nitroethenyl)phenols.
Authors: DAUZONNE D. , ROYER R. 
Published: May 2016

AbstractReaction of the 2‐hydroxybenzaldehyde (I) with bromonitromethane (II) in the presence of dimethylammonium chloride and potassium fluoride in high‐boiling solvents yields the title compounds (III).
ChemInform Abstract: Synthesis of (+)‐Neomenthanethiol and Some of Its Derivatives. A New Example of Asymmetric Induction in the Sulfoxide Synthesis.
Authors: MIKOLAJCZYK M. , PERLIKOWSKA W. , OMELANCZUK J. 
Published: May 2016

AbstractThe title compound (Vb) is obtained from (‐)‐menthol (I) in a three‐ step sequence.
ChemInform Abstract: π‐Facial Selectivity in Diels‐Alder Reactions of Hexacyclo‐(10.2.1.02,11.04,9.04,14.09,13)pentadeca‐5,7‐diene‐3,10‐dione.
Authors: COXON J. M. , O'CONNELL M. J. , STEEL P. J. 
Published: May 2016

AbstractThe dione (I) mentioned in the title is attacked by olefinic dienophiles such as (II) almost exclusively at the carbonyl‐bearing face to give the adducts (III).
ChemInform Abstract: Synthesis and Some Transformations of 4‐Aryloxy‐2‐butynoic Acids.
Authors: URALOV A. U. , ABIDOV U. A. , MAKHSUMOV A. G. 
Published: May 2016

AbstractThe aryloxybutynoic acids (IV) are prepared from the aryl propargyl ethers (I) via the intermediate Grignard compounds.
ChemInform Abstract: Reaction of Acetic Anhydride/Zinc Chloride Reagent with Phenols: Improved Yields of Hydroxyacetophenones.
Authors: ANJANEYULU A. S. R. , MALLAVADHANI U. V. , VENKATESWARLU Y. , PRASAD A. V. R. 
Published: May 2016

AbstractAcetic anhydride/zinc chloride is found to be a better acylating system for phenol and polyphenols resulting in improved yields of the respective hydroxyacetophenones.
ChemInform Abstract: Enantiomerically Pure 2‐Bromoalkyl Aryl Ketones.
Authors: CASTALDI G. , GIORDANO C. 
Published: May 2016

AbstractBromination of alkyl aryl ketone acetals, obtained from (2R,3R)‐tartaric acid or its dimethyl ester, yields a mixture of the diastereomeric α‐bromoacetals (4R,5R,1'S)‐(I) and (4R,5R,1'R)‐(I) which produce the (S)‐2‐bromoalkyl aryl ketones (II) upon treatment with an excess of methanesulfonic acid.
ChemInform Abstract: A Route to Functionalized 1,5‐Dicarbonyl Systems via Heterodiene Cycloadditions of a 2‐Acyl‐2‐enoic Acid.
Authors: COUTTS S. J. , WALLACE T. W. 
Published: May 2016

AbstractChromene‐3‐carboxylic acid (I) undergoes cycloaddition with the enol ether (IIa) and (IIb) or the ketene acetal (IIc) to give the pyrans (III) and the stereoisomers (IVa) and (IVb).
ChemInform Abstract: One‐Pot, Four‐Different‐Component Annulations: Flexible and Efficient Conversion of n‐Sized Cycloalkenones into n+4 Alkenolides.
Authors: POSNER G. H. , ASIRVATHAM E. , WEBB K. S. , JEW S. 
Published: May 2016

AbstractThe cyclohexenone (I) reacts with tributylstannyllithium (II), the vinyl ketones (III), and the aldehydes (IV) to form the bicyclic hemiketals (V) which are oxidatively cleaved, yielding the macrolides (VI).
ChemInform Abstract: Attempted Synthesis of a (5)(2,5)pyridinophan‐6‐one from Its Dewar Isomer.
Authors: KOSTERMANS G. B. M. , DE WOLF W. H. , BICKELHAUPT F. , KREVER M. 
Published: May 2016

AbstractTreatment of the AlCl3 complex (III) with the isocyanate (IV) yields the Dewar pyridone (V); the exclusive formation of this regioisomer is ascribed to kinetic factors (MNDO calculations on AlCl3 complexes).
ChemInform Abstract: Rigid Molecular Tweezers: Synthesis, Characterization, and Complexation Chemistry of a Diacridine.
Authors: ZIMMERMAN S. C. , VAN ZYL C. M. 
Published: May 2016

AbstractThe title compound (VII), prepared starting from the ketal (I), is characterized by a rigid spacer which enforces a syn‐cofacial orientation of the acridine chromophores.
ChemInform Abstract: A New Synthesis of Amides from Acyl Fluorides and N‐Silylamines.
Authors: RAJESWARI S. , JONES R. J. , CAVA M. P. 
Published: May 2016

AbstractIndoline (I) is silylated with O,N‐bis(trimethylsilyl)acetamide (II) to give the N‐(trimethylsilyl)indoline (III) which reacts with the acyl fluorides (IV) to produce the N‐acylindolines (V).
ChemInform Abstract: Synthesis of Some New 1,2,4‐Triazine, 1,2,3‐Triazole, and Pyridazine Derivatives.
Authors: EL‐BANNANY A. A. A. , GHOZLAN S. A. S. , IBRAHEIM L. I. 
Published: May 2016

AbstractThe α‐cyanophenylhydrazone (I) is used as the starting material for the synthesis of various N‐heterocycles: ring closure reaction with trichloroacetonitrile (II) or carbon disulfide (IV) yields the 1,2,4‐triazine derivatives (III) or (V).
ChemInform Abstract: Novel Basic Ligands for the Homogeneously Catalyzed Carbonylation of Methanol. Part 10. Synthesis, Properties, and Coordination Chemistry of Polydentate Alkoxyethylphosphanes and Their Behaviour as Control Ligands in the Carbonylation of Methanol.
Authors: LINDNER E. , MEYER S. , WEGNER P. , KARLE B. , SICKINGER A. , STEGER B. 
Published: May 2016

AbstractThe phosphanes (I) are lithiated and then coupled with the 2‐chloroethyl ethers (II) to form the mono‐ or di(alkoxyethyl)phosphanes (III).