bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Olefin Epoxidation by Manganese(IV) Porphyrins: Evidence for Two Reaction Pathways.
Authors: GROVES J. T. , STERN M. K. 
Published: May 2016

AbstractThe reaction of chloro(5,10,15,20‐tetramesitylporphinato)manganese(III) with m‐chloroperoxybenzoic acid in CH2Cl2 containing methanolic (NMe4)OH at 0 °C yields the Mn(IV) complex (Ia).
ChemInform Abstract: Suicidal Inactivation of Iron Porphyrin Catalysts During Alk‐1‐ene Oxidation: Isolation of a New Type of N‐Alkylporphyrins.
Authors: ARTAUD I. , DEVOCELLE L. , BATTIONI J.‐P. , GIRAULT J.‐P. , MANSUY D. 
Published: May 2016

AbstractUpon reaction of 1‐butene (II) with iodosylbenzene and the iron porphyrin catalyst (Ia), the starting catalyst is progressively transformed into a new complex (III), which after acidic demetalation gives (IVa), a new type of N‐alkylporphyrin.
ChemInform Abstract: Synthesis, Structural Characterization, and Electronic Structures of the (Fe6S6(X)6(Mo(CO)3)2)3‐ Clusters (X: Cl, Br).
Authors: COUCOUVANIS D. , SALIFOGLOU A. , KANATZIDIS M. G. , SIMOPOULOS A. , KOSTIKAS A. 
Published: May 2016

AbstractThe X‐ray isomorphous title clusters (Ib) and (Ic) are obtained by 1:1 molar reaction of the analogous tetraanions (Ia) with ferricinium hexafluorophosphate in similar yields as the chloro derivative (Ib) on the 4:1 molar reaction of the Fe6 cluster (II) with the Mo monomer (III).
ChemInform Abstract: Bisphosphoranylacetylenes and the Cobalt Complex Co2(CO)6(((C2H5)2N)2PF2CCPF2(N(C2H5)2)2).
Authors: FLUCK E. , SVARA J. , RIFFEL H. 
Published: May 2016

AbstractSF4 (II) reacts with the acetylene bis(phosphonic acid) derivatives (I) at low temp. to yield the title P(V) products (III).
ChemInform Abstract: Benzylic Acyloxylation of Alkyl Aromatics Using Mixed Palladium Zinc Acetate Catalyst.
Authors: GOEL A. B. 
Published: May 2016

AbstractThe use of zinc acetate in conjunction with palladium acetate in the benzylic acyloxylation of toluene in higher boiling carboxylic acid medium, e.g. octanoic, lauric or dodecanedioic acid (tab.) at ∼170 °C under continuous oxygen stream and azeotropic water removal with toluene, results in an improved catalytic production of benzyl carboxylate compared to that of palladium acetate alone.
ChemInform Abstract: Formation of (Pt2.25)4‐1‐Methyluracil Blue Through Silver(I) Oxidation of (Pt2.0)2 and Isolation of a Heteronuclear (Pt2,Ag2) Precursor.
Authors: LIPPERT B. , SCHOELLHORN H. + , THEWALT U. 
Published: May 2016

AbstractThe oxidation of the diplatinum(II) complex (I) (head‐head isomer) to the mixed‐valence‐state complex (II) (Pt2.25‐1‐methyluracil blue) in the presence of Ag(I), Fe(III), Ce(IV), and Cu(II) is studied.
ChemInform Abstract: Metal Complexes of 1,3‐Dimethylimidazolium‐2‐dithiocarboxylate.
Authors: BORER L. L. , KONG J. V. , KEIHL P. A. , FORKEY D. M. 
Published: May 2016

AbstractThe complexes (I)‐(IV) are prepared by reaction of PtCl2(NCMe)2/KPF6, PdX2, AgNO3/KPF6, or NaAuCl4 with the zwitterionic title ligand in refluxing MeCN or MeOH (no yields given).
ChemInform Abstract: Silica‐Supported Bis(trialkylphosphine)platinum Oxalates. Photogenerated Catalysts for Hydrosilation of Olefins.
Authors: PRIGNANO A. L. , TROGLER W. C. 
Published: May 2016

AbstractThe photoactive complex (IV), which contains the functionalized ligand PEt2‐(CH2)2‐Si(OMe)3 and is obtained as shown, binds to the surface of silica (300 m2/g) to give the surface‐attached oxalate complex (V) with an intact coordination sphere.
ChemInform Abstract: 18‐Substituted Steroids. Part 12. Synthesis of Aldosterone 21‐Sulfate, and an Improved General Procedure for Preparing Steroid Sulfates.
Authors: KIRK D. N. , RAJAGOPALAN M. S. 
Published: May 2016

AbstractTreatment of aldosterone (I) with SO3‐Et3N yields an isomeric mixture of the sulfates (III) and (IV), which are purified by the C18 'Sep‐pak' method (yields given in g).
ChemInform Abstract: Vinyl Azides in Heterocyclic Synthesis. Part 9. Synthesis of the Isoquinolone Alkaloid Siamine by Intramolecular Aza‐Wittig Reaction.
Authors: KENNEDY M. , MOODY C. J. , REES C. W. , VAQUERO J. J. 
Published: May 2016

AbstractThe synthesis of the title compound (X) is accomplished starting from the known acid (Ia) via the intermediates shown in the scheme.
ChemInform Abstract: Synthetic Studies of the Rubradirins: A Strategy for the Incorporation of the Ansa Bridge.
Authors: KOZIKOWSKI A. P. , XIA Y. 
Published: May 2016

AbstractStarting point for the synthesis of the fragment (V) related to rubradirins is the Diels‐Alder reaction of the diene (I) with 2,3‐dichlorop‐benzoquinone (II), yielding the naphthoquinone (III).
ChemInform Abstract: The Synthesis of Aryl Substituted Analogues of Phenoxyacetyl‐L‐cysteinyl‐D‐valine and Phenylacetyl‐L‐cysteinyl‐D‐valine. Application to the Photoaffinity Labeling of Isopenicillin N Synthetase.
Authors: BALDWIN J. E. , PRATT A. J. , MOLONEY M. G. 
Published: May 2016

AbstractThe title compounds (IV) are prepared from (I) and enzymatically converted to bioactive products (V).
ChemInform Abstract: Reaction of Metal Fluorides with unsym‐Azetidinone Disulfides and 2β‐(Halomethyl)penams. The 3β‐Fluoro‐3α‐methylcephams.
Authors: MICETICH R. G. , BETAGERI S. , SINGH R. , PAYNE P. 
Published: May 2016

AbstractThe halomethylthiazoloazetidinones (I) react with metal fluorides, especially AgF, to yield the fluorocepham (IIa) as the main product.
ChemInform Abstract: Cation Distributions Within a Cluster Framework. Synthesis and Structure of the Carbon‐ and Boron‐Centered Zirconium Cluster Compounds KZr6Cl15C and CsKZr6Cl15B.
Authors: ZIEBARTH R. P. , CORBETT J. D. 
Published: May 2016

AbstractThe isotypic title compounds crystallize in the space group Pmma with Z=4 (single‐crystal data).
ChemInform Abstract: Room Temperature Fused Salts Based on Copper(I) Chloride‐1‐methyl‐3‐ethylimidazolium Chloride Mixtures. Part 3. Electrochemical Studies.
Authors: BOLKAN S. A. , YOKE J. T. 
Published: May 2016

AbstractPotentiometric studies, current‐overpotential measurements, and transference number experiments have been carried out in CuCl‐1‐methyl‐3‐ethylimidazolium chloride (MEICl) mixtures and the results are compared with those of MEICl‐AlCl3 mixtures.
ChemInform Abstract: Preparation of Highly Dispersed Pt + Ru Alloy Clusters and the Activity for the Electrooxidation of Methanol.
Authors: WATANABE M. , UCHIDA M. , MOTOO S. 
Published: May 2016

AbstractA new method for the preparation of Pt‐Ru binary catalysts is described which allows to obtain a specific surface area more than three times larger than that obtained by conventional methods.
ChemInform Abstract: Oxidation of Intermetallic Phases: Na3(AuO2) from NaAu and Na2O2.
Authors: WAGNER G. , HOPPE R. 
Published: May 2016

AbstractThe title oxoaurate is obtained for the first time as transparent colorless single crystals by annealing intimate mixtures of NaAu and Na2O2 in sealed Ag‐cylinders (430 °C, 6 d).
ChemInform Abstract: New Routes to Heterocycles via Sulfenylation of Unsaturated Amides.
Authors: ABD EL SAMII Z. K. M. , AL ASHMAWY M. I. , MELLOR J. M. 
Published: May 2016

AbstractThe N‐allylamides (I) react with the disulfides (II) in the presence of manganese(III) acetate to undergo ring closure, producing the sulfenylmethyloxazolines (III).
ChemInform Abstract: Stereochemical Investigation of Photoepoxidation of Dioxetane‐Forming Olefins in the Presence of Sulfur Dioxide.
Authors: ANDO W. , SONOBE H. , AKASAKA T. 
Published: May 2016

AbstractBiadamantylidene (I) undergoes singlet oxygenation in the presence of sulfur dioxide to give mainly the epoxide (II) and traces of the dioxetane (III).
ChemInform Abstract: Lithium Aluminum Hydride Reduction of Chiral Benzoylformamides Derived from Chiral Amino Alcohols.
Authors: KASHIMA C. , HARADA K. , OMOTE Y. 
Published: May 2016

AbstractThe reduction of the benzoylformamides (III), obtained from the acid chloride (I) and the (S)‐amino alcohols (II), yields mixtures of the diastereomers (IV) and (V) with the (S,S)‐isomer (IV) prevailing in all cases.
ChemInform Abstract: Synthesis and Reactions of 1‐Chloro‐2‐hydroxy‐3‐acyloxypropanes.
Authors: KOPTEVA N. I. , PROKHOROVA M. N. , ZALUKAEV L. P. 
Published: May 2016

AbstractEpichlorohydrin (I) reacts with the carboxylic acids (II) in the presence of catalytic amounts of base to give the title compounds (III) which show fungistatic activity.
ChemInform Abstract: α‐Lithio Trimethylsilylmethyl Lithium Carbonate as Methanol Dianion Synthon. A One‐Pot Synthesis of α‐Hydroxy Ketones.
Authors: KATRITZKY A. R. , SENGUPTA S. 
Published: May 2016

AbstractTrimethylsilylmethanol (I) reacts with butyllithium and carbon dioxide to give the carbonate (II) which is lithiated to form the intermediate (III).
ChemInform Abstract: Synthesis and Pharmacological Evaluation of Thiophene Analogues of Lotucaine.
Authors: CORALL C. , EL‐ASHMAWY M. B. , LISSAVETZKY J. , BRAVO L. , DARIAS V. , MARTIN D. 
Published: May 2016

AbstractSome thiophene analogues of lotucaine (I) are prepared as shown in the reaction scheme.
ChemInform Abstract: Direct Amination. Part 3. Reactions of Indole and 2‐Methylindole with Primary Aromatic Amines.
Authors: GRECI L. , STIPA P. , TOSI G. 
Published: May 2016

AbstractBoth (I) and (IV) are converted to the same product (III) on treatment with (II) in the presence of either Pb(OAc)4 or NCBT.
ChemInform Abstract: Synthesis and Biological Activity of 1‐Alkyl(Aryl)‐5‐methoxy(4,5‐dimethoxy)‐6‐bromoindole Derivatives.
Authors: GRINEV A. N. , PANISHEVA E. K. , CHERKASOVA A. A. , LYUBCHANSKAYA V. M. , SARKISOVA L. S. , FOMINA A. N. , NIKOLAEVA I. S. , GOLOVANOVA E. A. 
Published: May 2016

AbstractStarting with the indoles (I) and (III), the derivatives (II) and (IV) are prepared by common methods.
ChemInform Abstract: Synthesis and in vitro Bacteriostatic Activity of 3‐Nitroisoxazole Derivatives.
Authors: DURANTI E. , BALSAMINI C. , SCHEDA P. 
Published: May 2016

Abstract3‐Nitroisoxazole‐5‐carbaldehyde (IV) is prepared by reaction of methyl 4‐bromo‐2‐butynoate (I) with sodium nitrite and reduction of the ester (II) with borane, followed by Swern oxidation of the alcohol (III).
ChemInform Abstract: Studies on 1,2,3‐Triazole Derivatives as Potential Inhibitors of the Cyclooxygenase.
Authors: BIAGI G. , LIVI O. , SCARTONI V. 
Published: May 2016

AbstractMixtures of the triazolyl‐2‐propionic esters (III) and (IV) are synthesized by coupling the 1,2,3‐triazoles (I) with ethyl 2‐bromopropionate (II).
ChemInform Abstract: Cobalt Mediated Regioselective Alkylation of Methyl 3,5‐Dioxohexanoate. Preparation of 5‐Alkyl Derivatives of 4‐Hydroxy‐6‐methyl‐2‐pyrone.
Authors: CERVELLO J. , MARQUET J. , MORENO‐MANAS M. 
Published: May 2016

AbstractThe acetylpyrone (I) is transformed into the diketo ester (II) which reacts with cobalt(II) acetate to give the cobalt(II) complex (III).
ChemInform Abstract: Isonicotinates, Nicotinates, and Clofibrates of N‐Methyl‐N‐(2‐hydroxyethyl or 3‐hydroxypropyl)‐1,3,3‐trimethylbicyclo(2.2.1)heptan‐2‐endo‐ amine with Hypocholesterolemic and Hypolipidemic Activity.
Authors: BONDAVALLI F. , BRUNO O. , SCHENONE P. , VACCA C. , DE CARLO R. , MARMO E. 
Published: May 2016

AbstractThe clofibrates (IIIa) and (IIId), nicotinates (IIIb) and (IIIe), and isonicotinates (IIIc) and (IIIf) of the amino alcohols (I) are prepared by known methods.
ChemInform Abstract: Tetrazolo(1,5‐a)pyrimidines and Their Quaternary Salts.
Authors: BACHKOVSKII I. P. , CHUIGUK V. A. 
Published: May 2016

AbstractThe 5‐aminotetrazoles (I) react with the β‐dicarbonyl compounds (II) to give the tetrazolopyrimidinium salts (III).
ChemInform Abstract: The Condensation Products of 2,3,6‐Trisubstituted‐1,4‐Naphthoquinones with 2‐Aminothiophenol.
Authors: KANG W. B. , NAN'YA S. , YAMAGUCHI Y. , MAEKAWA E. , UENO Y. 
Published: May 2016

AbstractThe benzophenothiazinones (III) are prepared from 2‐aminothiophenol (I) and the naphthoquinones (II), together with the by‐products (IV) ‐ (VI).
ChemInform Abstract: Nitrogen‐Containing Organo‐Silicon Compounds. Part 127. Synthesis and Pharmacological Study of the Diiodomethylates of Methyl(trialkylsilylpropyl)aminoethyl Esters of 2‐ and 4‐Quinolinecarboxylic Acids.
Authors: LUKEVITS E. , LAPINA T. V. , GERMANE S. K. , VITOLINYA R. O. , VEVERIS M. M. 
Published: May 2016

AbstractCoupling of the quinolinecarboxylic chlorides (I) with the alcohols (II) and subsequent iodomethylation give the title compounds (III).
ChemInform Abstract: Ring‐Size and Substituent Effects in Relatively Rigid Macrocyclic Quinquedentate Ligands. Structure Determinations of (ZnL4(H2O)2)(ClO4)2 · MeCN and (ZnL3(ClO4)2).
Authors: LILES D. C. , MCPARTLIN M. , TASKER P. A. 
Published: May 2016

AbstractCyclocondensation reactions between pyridine‐2,6‐dicarbaldehyde and α,ω‐dianilines carried out in the presence of salts of bivalent transition metals in MeOH or MeCN give the complexes (I)‐(III).
ChemInform Abstract: Monometallic, Homo‐ and Hetero‐Bimetallic Complexes Based on Redox Active Tris(3,5‐dimethylpyrazolyl)borato‐molybdenum and ‐tungsten Nitrosyls. Part 4. Effects of Ligating Atom Type on the Reduction Potentials of Monometallic Complexes.
Authors: AL OBAIDI N. , CHAUDHURY M. , CLAGUE D. , JONES C. J. , PEARSON J. C. , MCCLEVERTY J. A. , SALAM S. S. 
Published: May 2016

AbstractThe complexes (Ia)‐(Ic) are prepared by substitution reaction of their dichloro analogues (Id) with HY and characterized.
ChemInform Abstract: The Reversible One‐Electron Oxidation of trans‐(Mn(I)L(CO)(Ph2PCH2PPh2)2)z+: Synthesis and Characterization of Stable Manganese(II) Derivatives.
Authors: CARRIEDO G. A. , RIERA V. , CONNELLY N. G. , RAVEN S. J. 
Published: May 2016

AbstractThe complexes (Ia)‐(Ib) and (IIa)‐(IIc) undergo diffusion‐controlled, one‐electron oxidation at a Pt electrode in CH2Cl2.
ChemInform Abstract: Technetium(V) and Rhenium(V) Complexes with N‐(2‐Mercaptophenyl)salicylideneiminate. Crystal Structure of Chloro(oxo)(N‐(2‐sulfidophenyl)salicylideneiminato‐NOS)technetium(V).
Authors: TISATO F. , REFOSCO F. , MAZZI U. , BANDOLI G. , NICOLINI M. 
Published: May 2016

AbstractTetrachlorooxorhenate(VI) or ‐technetate(VI) anions react with a tridentate Schiff‐base ligand to yield the complexes (I).
ChemInform Abstract: Spectroscopic and Magnetic Properties of Transition Metal(II) Trifluoromethanesulfonate Compounds with Bridging Asymmetric 3,4‐Dialkyl Substituted 1,2,4‐Triazole Ligands.
Authors: VREUGDENHIL W. , HAASNOOT J. G. , SCHOONDERGANG M. F. J. , REEDIJK J. 
Published: May 2016

AbstractThe dialkyl‐substituted triazoles (III) prepared as shown react with metal(II) trifluoromethanesulfonates in aqueous solution to give the linear tri‐ and binuclear complexes (IV)‐(VIII) in which the metal ions are linked to each other by three bridging triazole ligands.
ChemInform Abstract: Synthesis and Aggregation Behavior of Hosts Containing Phthalocyanine and Crown Ether Subunits.
Authors: SIELCKEN O. E. , VAN TILBORG M. M. , ROKS M. F. M. , HENDRIKS R. , DRENTH W. , NOLTE R. J. M. 
Published: May 2016

AbstractNew organic hosts (V), including a free base (Vd) and Cu complexed compounds, are synthesized from benzo crown ethers (I) in three steps.
ChemInform Abstract: Conversion of Uncharged Methyl Complexes of Ruthenium(II) Into a Cationic Acyl Complex: a Mechanistic Study.
Authors: MCCOOEY K. M. , PROBITTS E. J. , MAWBY R. J. 
Published: May 2016

AbstractSpectroscopic studies of the reactions of (I) with the isonitrile (II) reveal that the end‐product (V), isolated as its tetraphenylborate salt, is formed via the two isomers (III) and (IV), which can be isolated using certain conditions.
ChemInform Abstract: A Novel and Efficient Synthesis of Isoguanosine.
Authors: CHERN J.‐W. , LEE H.‐Y. , HUANG M. , SHISH F.‐J. 
Published: May 2016

AbstractThe aminoimidazolecarboxamides (I) react with benzoyl isothiocyanate (II) to yield the thioureas (III) which are dehydrated and desulfurized to form the nitriles (IV).
ChemInform Abstract: Synthetic Studies on Penems and Carbapenems. Part 5. Preparation of 6‐Acetylpenicillanate Derivatives.
Authors: LEE Y. Y. , KIM K. , KIM H. H. , GOO Y. M. , LEE Y. B. , JOE Y. A. 
Published: May 2016

AbstractThe title compounds (III) and (IV) as well as (X) and (XI) are prepared and obtained as mixtures.
ChemInform Abstract: Low Pressure Chemical Vapor Deposition of Borophosphosilicate Glass Films Produced by Injection of Miscible DADBS‐TMB‐TMP Liquid Sources.
Authors: LEVY R. A. , GALLAGHER P. K. , SCHREY F. 
Published: May 2016

AbstractThe injection of a mixed diacetoxyditertiarybutoxysilane(DADBS)‐trimethylborate(TMB)‐trimethylphosphite (TMP) liquid source into a LPCVD reactor allows the deposition of a borophosphosilicate glass (BPSG) film at lower temp. than previously reported for BPSG deposition from tetraethylorthosilicate(TEOS)‐based liquids (500 °C instead of ∼ 700 °C).
ChemInform Abstract: Ferritic Fe‐Cr‐Ti‐Mo Alloys with a Strengthening Intermetallic Phase for High‐Temperature Applications.
Authors: SCHUMACHER M. , SAUTHOFF G. 
Published: May 2016

AbstractIn regard to the development of ferritic creep‐resistant alloys for applications above 600 °C the creep behavior of ferritic Fe‐Cr‐Ti‐Mo alloys containing ∼ 13% Cr and up to 10% Ti and Mo is investigated as a function of temp. and the distribution of the intermetallic χ phase.
ChemInform Abstract: Miscibility Gap in the Fe‐Cr System: A Moessbauer Study on Long Term Annealed Alloys.
Authors: DUBIEL S. M. , INDEN G. 
Published: May 2016

AbstractFe‐Cr alloys are annealed for long time (4‐11 years at 733, 773, and 783 K) and are analyzed by Mößbauer spectroscopy in order to locate the eutectoid temp. and the boundary of the miscibility gap.
ChemInform Abstract: Preparation and Crystal Structure of 5 SbF3·3 SbF5.
Authors: NANDANA W. A. S. , PASSMORE J. , WHITE P. S. , WONG C.‐M. 
Published: May 2016

AbstractThe title compound, prepared according to the equations depicted in the scheme, crystallizes in the orthorhombic system, space group Pnma, Z = 8. Its structure is a complex three‐dimensional infinite polymeric network of discrete SbF6‐ anions and a cross‐linked polymeric (Sb5F12)3n+ n cation with significant cation‐anion interactions.
ChemInform Abstract: Indirect Electrochemical Reduction of meso‐ and d,l‐1,2‐Dichloro‐1,2‐diphenylethane.
Authors: LUND T. , PEDERSEN S. U. , LUND H. , CHEUNG K. M. , UTLEY J. H. P. 
Published: May 2016

AbstractThe reaction between a number of anion radicals and d,l‐ and meso compounds (I) is shown to be a purely catalytic reduction, and the rates of the electron transfer are measured by cyclic voltammetry and double potential step chronoamperometry.
ChemInform Abstract: Conformational Effects on the Regiochemical Metalation of C5‐C13 N‐Benzyllactams.
Authors: MEYERS A. I. , KUNNEN K. B. , STILL W. C. 
Published: May 2016

AbstractThe N‐benzyllactams (I), (X), and (XIII) with ring size varying from 5‐11 to 13 are examined with respect to their site of metalation (α to carbonyl and/or α to nitrogen) and show variations which are concluded to be due to their conformations, as consistent with MM calculations.
ChemInform Abstract: Cross‐Condensation Reactions of Cycloalkanones with Aldehydes and Primary Alcohols Under the Influence of Zirconocene Complexes.
Authors: NAKANO T. , IRIFUNE S. , UMANO S. , INADA A. , ISHII Y. , OGAWA M. 
Published: May 2016

AbstractThe cycloalkanones (I) are coupled with the aldehydes (II) or primary alcohols (IV) in the presence of a zirconocene complex and nickel dichloride to produce the unsaturated ketones (III) or (V).
ChemInform Abstract: A Convenient Preparation of 2‐Benzyloxyacetaldehyde.
Authors: GARNER P. , PARK J. M. 
Published: May 2016

Abstract1,4‐Butenediol (Ia) is benzylated to give (Ib) which is transformed into 2‐benzyloxyacetaldehyde (III) by two methods: either directly by consecutive treatment with osmium tetroxide and sodium periodate or via the epoxide (IV).
ChemInform Abstract: A Synthesis of Complex Araldehyde Dithioacetals.
Authors: WAEHAELAE K. + , OJANPERAE I. + , HAEYRI L. + , HASE T. A. 
Published: May 2016

AbstractThe substituted hydroxytoluenes (I) undergo acetylation and subsequent bromination to form the dibromomethylarenes (II).
ChemInform Abstract: A Synthesis of a New Type of Alkoxycarbonylating Reagents from 1,1‐Bis‐(6‐(trifluoromethyl)benzotriazolyl) Carbonate (BTBC) and Their Reactions.
Authors: TAKEDA K. , TSUBOYAMA K. , HOSHINO M. , KISHINO M. , OGURA H. 
Published: May 2016

AbstractThe carbonate BTBC (III) mentioned in the title is prepared from 1‐hydroxy‐6‐trifluoromethylbenzotriazole (I) and trichloromethyl chloroformate (II).
ChemInform Abstract: Nickel‐Mediated Cycloaddition of Diynes with Carbon Dioxide to Bicyclic α‐Pyrones.
Authors: TSUDA T. , SUMIYA R. , SAEGUSA T. 
Published: May 2016

AbstractThe diynes (Ia), (Ic) ‐ (Ie), and (Ih) undergo cyclization with carbon dioxide in the presence of nickel catalysts, yielding the bicyclic α‐pyrones (II).
ChemInform Abstract: An Efficient One‐Pot Synthesis of 3‐(2‐Benzothiazolyl)coumarins.
Authors: DRYANSKA V. 
Published: May 2016

AbstractThe o‐hydroxybenzaldehydes (Ia) ‐ (Id) and the related naphthalene derivative (Ie) are coupled with the 2‐benzothiazolylacetonitrile (II) to produce the coumarinimines (III) which undergo acidic hydrolysis, forming the 3‐(2‐benzothiazolyl)coumarins (IV).
ChemInform Abstract: Synthesis of Pyrano(2,3‐e)benzoxazole‐6(H)‐ones as Optical Brighteners.
Authors: ANNAPURNA D. , REDDY K. M. , MOULI G. V. P. C. , REDDY Y. D. 
Published: May 2016

AbstractThe compounds (III) mentioned in the title are synthesized by condensation reaction of the aminochromone or aminoflavone derivatives (I) with the acids (II).
ChemInform Abstract: Action of Grignard Reagents and of Ketones on 3‐Phenyl Carbamoyl Coumarins. Spectral Data of the Products.
Authors: EL‐KADY M. , SAYED G. H. , EL‐GENDY A. M. , EL‐SHERIF M. 
Published: May 2016

AbstractThe title compounds (I) react with the Grignard reagents (II) and various CH‐acidic compounds (V), (VII), and (X) in the presence of ammonium acetate or the amines (XI) to yield the heterocyclic systems (III) and (IV), (VI), (VIII) or (IX), and (XII), depending on the reaction conditions.
ChemInform Abstract: Imidazoles Containing Biologically Active Units. Part 2. Synthesis of Some 4‐Arylidene‐2‐aryl‐5‐oxo‐4,5‐dihydroimidazoles.
Authors: EL‐SHARIEF A. M. S. , ABD EL‐MAGED M. F. , HAMMAD N. I. S. , AMMAR Y. A. , HARB A. A. 
Published: May 2016

AbstractThe imidazolones (III) are synthesized by amination of the oxazolones (I).
ChemInform Abstract: Synthesis of 1λ6‐ and 1λ4‐1,2,6‐Thiadiazines from S,S‐Dialkylsulfur Diimides.
Authors: RIED W. , JACOBI M. A. 
Published: May 2016

AbstractReactions between diimides of type (I) and ethylene derivatives such as (II), (IV) and (VI) are investigated.
ChemInform Abstract: N‐Nitroso Sultams: On the Direction of Approach of Nucleophiles to the Sulfonyl Group.
Authors: WHITE E. H. , LIM H. M. 
Published: May 2016

AbstractThe sulfonamides (I) are cyclized with sodium ethoxide to give the sultams (II) which are converted to the nitroso sultams (IV) by treatment with dinitrogen tetroxide.
ChemInform Abstract: Separation of cis and trans Isomers of 1,4‐Disilacyclohexadienes and Related 9,10‐Dihydro‐9,10‐disilaanthracenes.
Authors: WELSH K. M. , COREY J. Y. 
Published: May 2016

AbstractMethods for the preparation of 1,4‐dihydrohexamethyl‐1,4‐disilacyclohexa‐2,5‐diene and 9,10‐dimethyl‐9,10‐dihydrodisilaanthracene give mixtures of cis and trans isomers which cannot be separated by standard chromatographic methods.
ChemInform Abstract: Photochemical Silene Syntheses. 3‐Vinylsilacyclobutanes and Their Thermal Reactions.
Authors: CONLIN R. T. , BOBBITT K. L. 
Published: May 2016

AbstractPhotolysis of the disilane (I) in a cyclohexane solution of methoxytrimethylsilane (III) yields the silene (II) which is trapped by the methoxysilane (III).
ChemInform Abstract: Reaction of Phosphinic Acid with 1‐Haloprop‐1‐yne‐3‐ols.
Authors: BELAKHOV V. V. , KOMAROV E. V. , IONIN B. I. 
Published: May 2016

AbstractThe propargyl alcohols (I) react with phosphinic acid (II) under acetylene‐allene rearrangement to give the propadienephosphonous acids (III).