bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: 2,3‐Dichloro‐5,6‐dicyano‐p‐benzoquinone, an Efficient, Mild, Neutral, and Highly Regioselective Catalyst for Alcoholysis of Epoxides.
Authors: IRANPOOR N. , BALTORK I. M. 
Published: May 2016

AbstractOxiranes such as (I), (IV), and (VI) undergo solvolytic ring‐opening reactions with alcohols in the presence of DDQ as the catalyst under neutral conditions, forming the ethers (III), (V), and (VII) respectively.
ChemInform Abstract: Stereoselectivity in the Sigmatropic Rearrangement of Eight‐ and Nine‐Membered Cyclic Allylsulfonium Ylides. Synthesis of Vinyl‐Substituted Butyro‐ and Valerolactones.
Authors: KIDO F. , SINHA S. C. , ABIKO T. , WATANABE M. , YOSHIKOSHI A. 
Published: May 2016

AbstractEight‐ and nine‐membered cyclic allylsulfonium ylides are generated from the diazo malonates of allylic and homoallylic alcohols, e.g. (I) and (IV), respectively.
ChemInform Abstract: A Multistep Rearrangement from 2,2‐Disubstituted 1,3‐Cyclohexanediones to 3‐Substituted 2‐Cyclohexenones via Phosphonate Anions and Its Application to a Formal Synthesis of (.+‐.)‐α‐Acoradiene.
Authors: YAMAMOTO Y. , FURUTA T. 
Published: May 2016

AbstractThe 2,2‐disubstituted cyclohexanediones (I) are consecutively treated with the lithiophosphonate (II) and trimethylsilyl chloride to produce the 3‐substituted cyclohexenones (III).
ChemInform Abstract: Oxidative Coupling of Methane on Alkali Metal‐Promoted Nickel Titanate. Part 1. Catalyst Characterization and Transient Studies.
Authors: MIRO E. , SANTAMARIA J. , WOLF E. E. 
Published: May 2016

AbstractThe oxidative coupling of CH4 to give ethane and ethylene is promoted by addition of Li or Na to the rather inactive NiTiO3 catalyst up to yields of ca. 13% with ca. 70% selectivity.
ChemInform Abstract: Diastereoselective Cyclopropanations of Chiral Bicyclic Lactams Leading to Enantiomerically Pure Cyclopropanes. Application to the Total Synthesis of cis‐(1S, 3R)‐Deltamethrinic Acid and R‐(‐)‐Dictyopterene C′.
Authors: ROMO D. , ROMINE J. L. , MIDURA W. , MEYERS A. I. 
Published: May 2016

AbstractThe cyclopropanation of the title lactams, e.g. (I), proceeds stereoselectively.
ChemInform Abstract: Synthesis of Spiro(2‐isopropyl‐5‐methylcyclohexane‐1,2′‐tetralin‐1′‐ol) and Its 7′‐Ethyl/Isopropyl Derivatives and Their Catalytic Dehydrogenation.
Authors: MITRA A. , BISWAS T. K. 
Published: May 2016

AbstractCatalytic dehydrogenation of the title compounds (IVa), (IVb) and (IVc) occurs with loss of two carbon atoms and rearrangement to give the phenanthrenes (V).
ChemInform Abstract: Reaction of Amino Acids with o‐Acetylbenzoic Acid.
Authors: MAO M. K. , WEBBER R. K. 
Published: May 2016

AbstractReaction of o‐acetylbenzoic acid (I) with the α‐amino acids (II) results in the formation of the methylene lactams (III) and the fused oxazolidinones (IV).
ChemInform Abstract: Studies in (3,3)Sigmatropic Rearrangements: Rearrangement of 4‐Methyl‐7‐(p‐tolyloxybut‐2‐ynyloxy)benzopyran‐2‐one.
Authors: MAJUMDAR K. C. , GUPTA A. K. 
Published: May 2016

AbstractUnder the conditions shown, the title compound (I) rearranges to give the products (II) and (III).
ChemInform Abstract: Condensed Pyridines. Part 8. 5,6‐Pentamethylene‐3‐cyanopyridine‐2(1H)‐thione and ‐selenone in the Synthesis of 3‐Aminothieno‐ and ‐selenolo(2,3‐b)pyridines. Crystal Structure of 3‐Amino‐2‐benzoyl‐5,6‐pentamethyleneselenolo(2,3‐b)pyridine.
Authors: LITVINOV V. P. , SHARANIN YU. A. , RODINOVSKAYA L. A. , NESTEROV V. N. , SHKLOVER V. E. , STRUCHKOV YU. T. 
Published: May 2016

AbstractAlkylation studies of the heterocycles (III) with MeI reveal that only (IIIb) and (IIIc) are alkylated selectively at the Se and the S atom, respectively.
ChemInform Abstract: Synthesis of 3′‐Azido‐2′,3′‐dideoxy‐6‐methyluridine (VI), 2′,3′‐Dideoxy‐6‐methyluridine (IX) and 2′,3′‐Dideoxy‐2′,3′‐didehydro‐6‐methyluridine
Authors: HREBABECKY H. , HOLY A. , DE CLERCQ E. 
Published: May 2016

Abstract(XII).
ChemInform Abstract: A New Facile Synthesis of 5‐Aryl‐4‐trifluoroacetyl‐6‐trifluoromethyl‐3,4‐dihydro‐2H‐1,3,4‐oxadiazines from Arylaldehydes.
Authors: KAMITORI Y. , HOJO M. , MASUDA R. , KAWAMURA Y. , KAWASAKI K. , IDA J. 
Published: May 2016

AbstractThe N,N‐dimethylhydrazones (III), generated from the benzaldehydes (I), are C‐acylated with trifluoroacetic anhydride (IV) to form the hydrazines (V).
ChemInform Abstract: Synthesis and Some Reactions of 2‐(2‐Aminoanilino)cyclohepta(b)pyrroles. Leading to 5H‐Cyclohepta(1′,2′:4,5)pyrrolo(2,3‐b)(1,5)benzodiazepine, a Novel 20π Antiaromatic System, and Cyclohepta(1′,2′:4,5)pyrrolo(1,2‐a)benzimidazoles.
Authors: ABE N. , ISHIKAWA N. , HAYASHI T. , MIURA Y. 
Published: May 2016

AbstractIn order to complete the study of azaazulenes, compound (III) is treated with some agents.
ChemInform Abstract: Synthesis and Binding Properties of Amide‐Functionalised Polyaza Macrocycles.
Authors: KATAKY R. , MATTHES K. E. , NICHOLSON P. E. , PARKER D. , BUSCHMANN H.‐J. 
Published: May 2016

AbstractThe title compounds (III), (V), (VII), (X), (XII), (XIII), and (XIV) are prepared according to procedures indicated in the scheme.
ChemInform Abstract: Synthesis of Oxepins via the Cope Rearrangement of cis‐2,3‐Divinyl Epoxides.
Authors: CLARK D. L. , CHOU W.‐N. , WHITE J. B. 
Published: May 2016

AbstractReduction of the enynes (I) with metallic zinc generated in situ gives the dienes (II).
ChemInform Abstract: Unsaturated C3B2 Rings with Neighboring Boron Atoms. Derivatives of 4‐Methylene‐1,2‐diboracyclopentane, Dilithium 2,3‐diboratafulvene, and 1,2‐Dibora‐3‐cyclopentene.
Authors: HERBERICH G. E. , GANTER C. , WESEMANN L. , BOESE R. 
Published: May 2016

AbstractBy borylation of the trimethylenemethane dianion of (I) and reaction of the product with HCl it is possible for the first time, to synthesize the first 1,2‐C3B2 ring compound (IV).
ChemInform Abstract: Synthesis, Surface Active, and Biocidic Properties of Trialkyl(3‐(trimethoxysilyl)propyl)ammonium Salts.
Authors: HUETTINGER K. J. + , JUNG M. F. , SCHNELL M. C. 
Published: May 2016

AbstractA series of ammonium salts such as (III) mentioned in the title is prepared by reaction of the tertiary amines (I) with the chloropropyltrimethoxysilane (II).
ChemInform Abstract: Reaction of Trialkyl Phosphites with Phosphonodithioformates: Access to Substituted Methylenebisphosphonates via Stabilized Ylids.
Authors: BULPIN A. , MASSON S. , SENE A. 
Published: May 2016

AbstractThe dialkoxyphosphoryldithioformates (I) react with the trialkyl phosphites (II) to give the bisphosphonates (IV) via the intermediate P‐ylids (III).
ChemInform Abstract: The Insertion of Sulfur and Selenium into the 1,2‐Dihydrophosphete Ring.
Authors: HUY N. H. T. , MATHEY F. 
Published: May 2016

AbstractTreatment of the 1,2‐dihydrophosphete complex (I) with sulfur or selenium (II) results in ring enlargement, forming the 2,5‐dihydro‐1,2‐thia(selena)phosphole complexes (III).
ChemInform Abstract: Facile Synthesis and Structural Principles of the Strontium Phenoxide Sr4(OPh)8(PhOH)2(THF)6.
Authors: DRAKE S. R. , STREIB W. E. , CHISHOLM M. H. , CAULTON K. G. 
Published: May 2016

AbstractThe title compound (IV) crystallizes in the space group C2/c with Z=4.
ChemInform Abstract: Reductive CC Coupling of Two Isocyanide Ligands Onto Mo(II) and W(II) Centers, a Reaction Sequence via Isocyanide and Aminocarbyne Complexes of Mo(0) and W(0).
Authors: FILIPPOU A. C. , GRUENLEITNER W. + 
Published: May 2016

AbstractOctahedral alkylisocyanide complexes such as (I), accessible by reduction of (M(CNR)6Br)Br, and alkylisocyanide‐substituted aminocarbyne complexes of the type (III) are found to be key intermediates in the reductive coupling of two isocyanide ligands to a complexed alkyne.
ChemInform Abstract: Cycloaddition Reactions of Organometallic Complexes. Part 11. Cobaltaheterocycles by (2 + 3) Cycloaddition of α‐Keto Carbenes to Co‐CO and Co‐CNR Bonds.
Authors: STRECKER B. , ZEIER B. , SCHULZ M. , WOLF J. , WERNER H. 
Published: May 2016

AbstractTen examples of cobaltaheterocycles such as (III) and (V) are prepared by the title cycloaddition reactions (formation mechanism).
ChemInform Abstract: Reduction‐Oxidation Properties of Organo‐Transition‐Metal Complexes. Part 31. Reductive Elimination, Oxidative Addition and Substitution, and Migratory Insertion in Pentaphenylcyclopentadienylruthenium Nitrosyl Chemistry.
Authors: CONNELLY N. G. , LOYNS A. C. , MANNERS I. , MERCER D. L. , RICHARDSON K. E. , RIEGER P. H. 
Published: May 2016

AbstractBromide complexes such as (III) are chemically reduced with cobaltocene to give (IV), but electrochemically to give (IV) together with (V), the latter via the reaction of (III) with Br‐ ions.
ChemInform Abstract: Rose Pigments. Part 11. A Further, Now Successful Search for 3′‐Epilutein (Ia) in Plants.
Authors: MAERKI‐FISCHER E. + , EUGSTER C. H. 
Published: May 2016

AbstractThe extremely rare carotenoid (Ia), found till now in only one plant (Caltha palustris = Sumpfdotterblume), is detected in anthers of flowers of several roses and in those of peonies.
ChemInform Abstract: The Total Synthesis of 8β‐Hydroxycycloaraneosene (X) by Means of an Eight‐Membered Ring‐Formation via a Lewis Acid‐Catalyzed Ene Reaction. Confirmation of Its Natural Occurrence.
Authors: KATO N. , WU X. , TANAKA S. , TAKESHITA H. 
Published: May 2016

AbstractLewis acid catalyzed ene reaction of the aldehyde (II) represents the key step in the synthesis of the cycloaraneosene ring system.
ChemInform Abstract: Stereoselective Synthesis of α,γ‐Diamino‐β‐hydroxy Amino Acid Esters: A New Class of Amino Acids.
Authors: REETZ M. T. , WUENSCH T. + , HARMS K. 
Published: May 2016

AbstractThe stereoselective synthesis of α,γ‐diamino‐β‐hydroxy amino acid derivatives such as (V) having differently protected amino groups is described.
ChemInform Abstract: Acidic Opening of the Dihydropyran Ring of Hexa‐O‐acetyl‐D‐lactal and Subsequent Chain Elongation. Novel Approach to the Synthesis of Low Molecular Weight O‐Glycosides Containing a Diacetoxy Polyene Aglycone Moiety.
Authors: TOLSTIKOV G. A. , TOLSTIKOV A. G. , PROKOPENKO O. F. , KHALILOV L. M. , ODINOKOV V. N. 
Published: May 2016

AbstractThe acidic ring opening of the hydropyran ring of hexa‐O‐acetyl‐D‐lactal (I) followed by acetylation leads to the formation of the hexanal (III).
ChemInform Abstract: Gelsemium Alkaloids. Total Synthesis of (+)‐Koumine, (+)‐Taberpsychine, and (+)‐Koumidine.
Authors: MAGNUS P. , MUGRAGE B. , DELUCA M. R. , CAIN G. A. 
Published: May 2016

AbstractSynthetic procedures which are used for the transformation of the intermediate (+)‐(VIII) to (+)‐koumidine (+)‐(XII) and (+)‐koumine (+)‐(XVI) are also applied to the synthesis of (+)‐taberpsychine (+)‐(XVII) from the intermediate (+)‐(IX).
ChemInform Abstract: Total Synthesis of FK506 and an FKBP Probe Reagent, (C8,C9‐13C2)‐FK506.
Authors: NAKATSUKA M. , RAGAN J. A. , SAMMAKIA T. , SMITH D. B. , UEHLING D. E. , SCHREIBER S. L. 
Published: May 2016

AbstractThe key steps in the synthesis of the title immunosuppressant FK506 (XI) are the couplings of the compounds (I) with (II) and (IV) with (V).
ChemInform Abstract: Structure of Synthetic Dipotassium Zinc Tetrasilicate.
Authors: KOHARA S. , KAWAHARA A. 
Published: May 2016

AbstractK2ZnSi4O10, which recently has been obtained by hydrothermal synthesis (873 K, 1000 kg/cm3, 72 h) from K2CO3, ZnO, SiO2, and H2O, crystallizes in the orthorhombic system (P212121, Z=4).
ChemInform Abstract: Structure of Cu(HPO3H)2.
Authors: SGHYAR M. , DURAND J. , COT L. , RAFIQ M. 
Published: May 2016

AbstractCrystals of the title compound, obtained by evaporation of a solution containing CuO, H2PO3H, and H2O at 323 K, belong to the monoclinic space group P21/a, Z=4.
ChemInform Abstract: Crystal Growth and Structure of Olivine Type Compounds (Mn,Mg)2SiS4, (Mn,Fe)2SiS4, and (Mg,Fe)2SiS4.
Authors: FUHRMANN J. , PICKARDT J. 
Published: May 2016

AbstractSingle crystals of the Mg‐containing compounds (I) and (II) are obtained by chemical transport reactions in evacuated quartz ampoules (700 → 650 °C, up to 3 weeks), starting from appropriate mixtures of MgB2, MnS, and S8 (I) or MgB2, Fe, and S8 (II), whereas compound (III) is grown by reaction of MnS, Fe, Si, and S8 at 800 °C in a quartz ampoule.
ChemInform Abstract: Nb6Cl12‐xI2+x (x < 2), a New Niobium Halide.
Authors: SAEGEBARTH M. + , SIMON A. 
Published: May 2016

AbstractCrystals of Nb6Cl12‐xI2+x (x < 2) are prepared by annealing intimate mixtures of Nb3Cl8 and Nb3I8 in sealed Nb‐tubes at 1070 K. The homogeneity range of the new phase is 0 ≦ x ≦ 2. Single crystal data are reported for Nb6Cl12I2 and Nb6Cl10.8I3.2 (cubic, space group Pa3, Z=4).
ChemInform Abstract: Vibrational‐Spectroscopic Investigation on Some Mixed Calcium/Cadmium‐Hydroxylapatites.
Authors: NARDA G. E. , PEDREGOSA J. C. , ETCHEVERRY S. B. , BARAN E. J. 
Published: May 2016

AbstractThe IR spectra of Ca10‐xCdx(PO4)6(OH)2 with x = 0, 2.5, 5.0, 7.5, and 10 are reported and the effect of Cd(II) substitution on the vibrational properties of the PO43‐ and OH‐ groups is discussed.
ChemInform Abstract: The Mechanism of Cathodic Disbonding of Hydroxy‐Terminated Polybutadiene on Steel from Acoustic Microscopy and Surface Energy Analysis.
Authors: KENDIG M. , ADDISON R. , JEANJAQUET S. 
Published: May 2016

AbstractUnder cathodic conditions, alkaline electrolysis products degrade the hydroxy‐terminated polybutadiene coating and cause it to disbond from the steel substrate in air‐saturated 0.5 M NaCl.
ChemInform Abstract: Preparation and Crystal Structure of CrSO4·3 H2O.
Authors: DAHMEN T. , GLAUM R. , SCHMIDT G. , GRUEHN R. 
Published: May 2016

AbstractLight blue crystals of the title hydrate, which is isotypical with CuSO4·3 H2O, are grown by evaporating a solution of metallic Cr in diluted H2SO4 at 70 °C. Single crystal X‐ray data are refined in the space group Cc with Z=4.
ChemInform Abstract: Ba5Ru2O9Cl2, a New Structure Type of a New Ruthenium(V) Oxidechloride.
Authors: LANG CH. , MUELLER‐BUSCHBAUM HK. + 
Published: May 2016

AbstractSingle crystals of the title compound are prepared by reaction of BaCO3 and Ru metal in a BaCl2 flux (corundum crucible, 1000 °C, air, 3‐4 d).
ChemInform Abstract: A New Connection Pattern of Ir3O12 Octahedra Triplets in Ba4Ir3‐xTixO10 (x = 1.55).
Authors: MUELLER‐BUSCHBAUM HK. + , NEUBACHER M. 
Published: May 2016

AbstractSingle crystals of the title oxoiridates, obtained by reaction of Ir with BaCO3 and TiO2 (Ba:Ir:Ti = 3:1:2; BaCl2 as flux; air; 1000 °C, 5 d), belong to the orthorhombic space group Cmc21 with Z=4.
ChemInform Abstract: Alkene Oxidation Catalyzed by a Ruthenium‐Substituted Heteropolyanion, SiRu(L)W11O39: The Mechanism of the Periodate Mediated Oxidative Cleavage.
Authors: NEUMANN R. , ABU‐GNIM C. 
Published: May 2016

AbstractThe heteropolyanion mentioned in the title is synthesized and characterized.
ChemInform Abstract: Chiral α‐Hydroxy and α,β‐Dihydroxy Aldehydes from D‐Isoascorbic and L‐Ascorbic Acid. Useful Precursors for the Synthesis of Fatty Acid Metabolites.
Authors: LE MERRER Y. , GRAVIER‐PELLETIER C. , DUMAS J. , DEPEZAY J. C. 
Published: May 2016

AbstractD‐Isoascorbic acid (I) is converted to the acetal (IV) which is subjected to ozonolysis and then reduced, forming the diol (V).
ChemInform Abstract: Formation of Homoallyl Alcohols and 4‐Chlorotetrahydropyrans from Allylstannanes, Aldehydes and TiCl4 or Cp2TiCl2.
Authors: MARTON D. , TAGLIAVINI G. , ZORDAN M. , WARDELL J. L. 
Published: May 2016

AbstractThe stereoselectivity of the title reaction leading to the homoallylalcohols (III) and (IV) is influenced by the Lewis acid.
ChemInform Abstract: Palladium‐Catalyzed Carboannulation of 1,3‐Dienes by Aryl Halides.
Authors: LAROCK R. C. , FRIED C. A. 
Published: May 2016

AbstractThe title reaction of substrates such as (I), (IV), (VII), (IX), (XI) with dienes such as (II) or (V) in the presence of various bases gives rise to carboannulated products.
ChemInform Abstract: Reactions of Titanium Derivatives of Some CH‐Acids with Carbonyl Compounds. Part 2. Aldol Condensations with Titanium Derivatives of Benzyl Cyanide, Isopropyl Phenylacetate, Phenyl Benzyl Ketone and Ethyl Benzyl Ketone.
Authors: KASATKIN A. N. , BIKTIMIROV R. KH. , TOLSTIKOV G. A. , NIKONENKO A. G. 
Published: May 2016

AbstractWhereas aliphatic aldehydes (II) and ketones with the titanium reagent (I) form the aldol adducts (III) and (IV) in approximately equal erythro/threo ratio, with aromatic and heterocyclic aldehydes (V), α‐alkylidenephenylacetonitriles (VI) are obtained.
ChemInform Abstract: Evidence that Palladium(0)‐Promoted Cyclizations of Unsaturated α‐Iodo Carbonyls Occur by an Atom Transfer Mechanism.
Authors: CURRAN D. P. , CHANG C.‐T. 
Published: May 2016

AbstractVarious unsaturated iodo esters are irradiated in the presence of hexabutyldistannane or treated with a palladium(0) complex to undergo ring closure.
ChemInform Abstract: Photochemistry of Triarylsulfonium Salts.
Authors: DEKTAR J. L. , HACKER N. P. 
Published: May 2016

AbstractDirect irradiation of the triphenylsulfonium salt (I) produces new rearrangement products, the phenylthiobiphenyls (III)‐(V), along with diphenyl sulfide (II) (previously reported), biphenyl, and acid HSbF6.
ChemInform Abstract: Enzymic Hydroxylation and Sulfoxidation of Cyclopropyl Compounds by Fungal Biotransformation.
Authors: HOLLAND H. L. , CHERNISHENKO M. J. , CONN M. , MUNOZ A. , MANOHARAN T. S. , ZAWADSKI M. A. 
Published: May 2016

AbstractThe enzymic oxidation of a series of title compounds, e.g. (I), (III), (V), (VIII), leads to carbon hydroxylation and sulfoxidation reactions, but in neither case opening of the cyclopropyl ring occurs.
ChemInform Abstract: Highly Efficient Asymmetric Hydrogenation of Amino Ketone Derivatives Leading to Practical Syntheses of (S)‐Propranolol and Related Compounds.
Authors: TAKAHASHI H. , SAKURABA S. , TAKEDA H. , ACHIWA K. 
Published: May 2016

AbstractThe asym. hydrogenation of the readily available ketone (IV) using an in situ prepared Rh(I) catalyst provides (S)‐propranolol hydrochloride (Va).
ChemInform Abstract: Reactions of Highly Electrophilic Polyfluorocarbonyl Compounds with Primary Arylamines.
Authors: CHKANIKOV N. D. , SVIRIDOV V. D. , ZELENIN A. E. , GALAKHOV M. V. , KOLOMIETS A. F. , FOKIN A. V. 
Published: May 2016

AbstractThe aromatic amines (I), (IV), and (VII) are coupled with the carbonyl compounds (II) to give the C‐hydroxyalkylation products (III), (V), and (VIII) respectively.
ChemInform Abstract: A Novel N‐Dealkylation Reaction of N,N‐Dialkylarylcarboxamides Promoted by Electron Transfer from Alkali Metals.
Authors: KARAMAN R. , FRY J. L. 
Published: May 2016

AbstractThe N,N‐dialkylbenzamides (I) are reduced with sodium in THF to form mixtures of the N‐monodealkylated amides (II), together with the ketones (III), the benzoins (IV), or the benzophenonecarboxamides (V).
ChemInform Abstract: Synthesis and Radical‐Induced Ring‐Opening Reaction of 1‐Trialkylsilyl‐2‐vinylcyclopropanes.
Authors: MIURA K. , OSHIMA K. , UTIMOTO K. 
Published: May 2016

AbstractThe title cyclopropanes, e.g. (IV), (XI) and (XIV), are prepared by two different synthetic procedures described in the scheme.
ChemInform Abstract: Preparation and Properties of 2‐(Dialkylaminomethyl)cyclohexyl and 2‐(Dialkylaminomethyl)phenyl Carbanilates.
Authors: BRADLEROVA A. , PRONAYOVA N. , MISIKOVA E. , DURINDA J. 
Published: May 2016

AbstractA series of carbanilates (III)‐(VI) are synthesized according to the reaction leading to (III) exemplified in the scheme.
ChemInform Abstract: Synthesis and Antifungal Evaluation of Some 3‐Phenyl‐2,5‐Disubstituted Indoles Derived from New Ethyl 2‐Benzyl‐2‐(N‐(aryl)hydrazono)ethanoates.
Authors: ERGENC N. , SALMAN A. , GUERSOY A. + , BANKAOGLU G. 
Published: May 2016

AbstractThe benzylacetoacetate (I) is coupled with the diazonium salts (II) to form the hydrazones (III).
ChemInform Abstract: Synthesis of 4‐(Functionally Substituted) Oxazoles and Thiazoles from N‐(2,2‐Dichloroethenyl)carboxamides and ‐thiocarboxamides.
Authors: VINOGRADOVA T. K. , TUROV V. V. , DRACH B. S. 
Published: May 2016

AbstractOxazoles (V) can be prepared by cyclization of the alkylidenebisamides (IV), obtained from the enamides (I).
ChemInform Abstract: Stereoselective Cycloadditions of Chiral Acylnitroso Compounds. An Approach to Carbapenem Synthesis.
Authors: MORLEY A. D. , HOLLINSHEAD D. M. , PROCTER G. 
Published: May 2016

AbstractThe adduct (I), obtained from a benzoyl nitroso intermediate and cyclopentadiene, is cleaved by aluminum amalgam and then oxidized to give the amidocyclopentenone (II).
ChemInform Abstract: Studies on the Cyclization of 4‐(2′‐Cyclohexenyl)‐3‐hydroxy(1)benzopyran‐2‐one.
Authors: MAJUMDAR K. C. , KHAN A. T. , GUPTA A. K. , DEY K. 
Published: May 2016

AbstractThe hydroxycoumarin (I) is coupled with the allylic bromide (II) to give the cyclohexenylcoumarin (III).
ChemInform Abstract: Structural and Synthetic Studies in the 4‐Phenyl‐1,3‐dioxane Series. Part 2.
Authors: VASILIONI V. , DARABANTU M. , MAGER S. , FEY L. , FODOR C. , COTORA V. 
Published: May 2016

AbstractNitration of the 5‐chloro‐4‐phenyl‐1,3‐dioxane (I), leading predominantly to the formation of the p‐nitro derivative (III), is studied in detail.
ChemInform Abstract: Cyclic Guanidines: Synthesis of 4,6,7,8‐Tetrahydro‐1H‐imidazo(1,2‐a)pyrazolo(3,4‐d)pyrimidin‐7‐ones and 1,4,6,7,8,9‐Hexahydropyrazolo(3′,4′:4,5)pyrimido(2,1‐c)(1,2,4)triazin‐7‐ones.
Authors: FERRONI R. , SIMONI D. , ORLANDINI P. , GUARNERI M. , BERTOLASI V. , FERRETTI V. 
Published: May 2016

AbstractThe new title compounds (V), (VII), (IX) and (XI) are synthesized with the view to obtaining potential platelet aggregation inhibitors.
ChemInform Abstract: The Synthesis of 6‐C‐Substituted 9‐Methoxymethylpurine Derivatives.
Authors: HAMAMICHI N. , MIYASAKA T. 
Published: May 2016

AbstractCatalytic hydrogenation of the 6‐cyanomethylene derivative obtained from (I)/(II) is highly chemoselective to give the nitrile (III).
ChemInform Abstract: Pteridines. Part 45. Synthesis of New N‐5‐Acyl‐5,6,7,8‐tetrahydropterins.
Authors: LOCKART R. J. , PFLEIDERER W. 
Published: May 2016

Abstract6,7‐Dimethylpteridine (I) is N‐acylated with isobutyric anhydride (II) and then hydrogenated to produce the dihydropteridine (IV).
ChemInform Abstract: Reactions of Trialkylsilyl Trifluoromethanesulfonates. Part 9. Electrophilic Silylation of Electron‐Rich Alkenes.
Authors: SCHULZ D. , SIMCHEN G. 
Published: May 2016

AbstractKetene O,O‐, O,S‐, and O,N‐acetals such as (I), (IV), (VI) are converted into C‐silylated derivatives by reaction with trimethylsilyl triflate (II)/Et3N or (II)/NaH.
ChemInform Abstract: Reaction of Heteryl‐Silanes and ‐Germanes with Metal Hydrides.
Authors: GEVORGYAN V. , BORISOVA L. , LUKEVICS E. 
Published: May 2016

AbstractA series of heterylsilanes and ‐germanes (I)‐(V) containing a different number of dihydrofuryl and dihydropyranol groups at the metal atom are obtained by reaction of corresponding chlorosilanes and chlorogermanes with 2‐dihydrofuryl‐Li and 2‐dihydropyranyl‐Li in hexane/THF at low temperature.
ChemInform Abstract: Syntheses of 2‐(N‐2‐Hydroxyalkyl‐N,N‐dimethylammonio)ethyl Hydrogen Phosphates and Their Physicochemical and Antimicrobial Properties.
Authors: TSUBONE K. , UCHIDA N. 
Published: May 2016

AbstractTreatment of the epoxides (I) with the aminoethanol (II) and subsequent coupling with methyl iodide (III) produces the ammonium salts (IV).
ChemInform Abstract: ((Dimethylphenylsilyl)tetramethylcyclopentadienyl)thallium(I) and ((Benzyldimethylsilyl)tetramethylcyclopentadienyl)thallium(I) ‐ Polymeric Organometallic Compounds with Chain Structure.
Authors: SCHUMANN H. , KUCHT H. , DIETRICH A. , ESSER L. 
Published: May 2016

AbstractThe silyltetramethylcyclopentadienes (I) obtained from tetramethylcyclopentadienyl‐Li and corresponding chlorodimethylsilanes in 68/91% yield react with Tl ethylate (II) to give the title compounds (IIIa) and (IIIb) (for both space group P21/c, Z=4).
ChemInform Abstract: Silylating and Desilylating Experiments with Sterically Hindered Stannyl Phosphanes.
Authors: HAENSSGEN D. + , ALDENHOVEN H. 
Published: May 2016

AbstractThe reaction of bis(tert.‐butyl)dichlorostannane (I) with the disilylphosphane (II) leads to the four‐membered ring (III) instead of the expected tBu2Sn(P(Me)Tms)2.