bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Technetium Bis(μ‐oxo) Dimers of 1,4,7‐Triazacyclononane‐N,N′,N′′‐triacetate (TCTA). Synthesis and Characterization of ((TCTA)Tc(μ‐O)2Tc(TCTA))n‐ (n = 2, 3) and the Crystal Structure of Ba2((TCTA)Tc(μ‐O)2Tc(TCTA))(ClO4)·9 H2O.
Authors: LINDER K. E. , DEWAN J. C. , DAVISON A.
Published: May 2016

The mixed‐valence Tc(III)/Tc(IV) dimer (Ia) is prepared by treatment of an oxo‐ethylene glycolato‐technetium(V) complex of the heterocyclic ligand with NaBH4 and isolated as its Na or Ba salt.
ChemInform Abstract: Multiple Bonds Between Main‐Group Elements and Transition Metals. Part 71. Open‐Chain and Cyclic Organorhenium Complexes of π‐Aromatic Ligands: Oxygen‐, Sulfur‐, and Selenium‐Containing Derivatives. Strong Static trans Influence in the Crystal and Molecular Structure of Di‐μ‐sulfido‐bis(oxo(η5‐pentamethylcyclopentadienyl)rhenium(V)).
Authors: HERRMANN W. A. , JUNG K. A. , HERDTWECK E.
Published: May 2016

The key compound (II) is synthesized as shown in the scheme.
ChemInform Abstract: Synthesis and Properties of the Bis(μ‐thiosulfato‐S)‐bis(dinitrosylferrate)(2‐) Anion. Crystal and Molecular Structure of Bis(bis(triphenylphosphoranylidene)ammonium) Bis(μ‐thiosulfato‐S)‐bis(dinitrosylferrate).
Authors: GLIDEWELL C. , LAMBERT R. J. , HURSTHOUSE M. B. , MOTEVALLI M.
Published: May 2016

The title anion is obtained as its sodium salt (IVa) by reaction of a 1:2 FeSO4/Na2S2O3 mixture with NO (III) or also with NaNO2.
ChemInform Abstract: The Reaction of (Benzene)(cyclopentadienyl)iron Complexes with Organic Halides and the Ring Expansion of the Chloromethyl Derivatives of (Benzene)(cyclopentadiene)iron and (Cyclohexadienyl)(cyclopentadienyl)iron Complexes.
Authors: HERBERICH G. E. , KLEIN W.
Published: May 2016

The 19‐e complexes (I) react with organic halides to form the salts (III) and the neutral products (IV) and (V).
ChemInform Abstract: Electrochemical Synthesis of “Costa‐Type” Cobalt Complexes.
Authors: SEEBER R. , PARKER W. O. JUN. , MARZILLI P. A. , MARZILLI L. G.
Published: May 2016

The feasibility of electrochemical methods in the synthesis of organocobalt Costa‐type B12 model complexes is examined.
ChemInform Abstract: Transition‐Metal‐Substituted Diphosphenes. Part 17. Dipolar (3 + 2) Cycloadditions of Carbonyl‐Activated Alkynes to (η5‐C5Me5)(CO)2Ru‐P=P‐Aryl (Aryl = 2,4,6‐tBu3C6H2). First Examples of σ/π‐Rearrangements of Diphosphene Ligands.
Authors: WEBER L. , FREBEL M. , BOESE R.
Published: May 2016

The title reaction yields in the case of the methyl 2‐butynoate (II) the five‐membered metallaheterocycle (III) with an (E)‐configurated exocyclic P=P bond.
ChemInform Abstract: Synthesis and Spectroscopic Characterization of Trinuclear (Ru3O(O2CCH3)6(pyrazine)3)0, + Clusters.
Authors: TOMA H. E. , CIPRIANO C.
Published: May 2016

Heating at reflux a methanol solution of the corresponding methanol complex with pyrazine and adding aqueous hydrazine after cooling yield the complex (Ia).
ChemInform Abstract: Five‐ and Six‐Coordinate Vinyl‐Ruthenium and ‐Osmium Complexes by Alkyne Insertion from Hydrido‐Metal Precursors.
Authors: WERNER H. , MEYER U. , PETERS K. , VON SCHNERING H. G.
Published: May 2016

Carbonyl‐hydrido complexes of the type (I) react with alkynes e.g. (II) by insertion to give five‐coordinate vinyl‐metal compounds of the type (III).
ChemInform Abstract: Disperse and Cationic Dyes from Aminophenyl‐X‐azolopyridines.
Authors: SAVARINO P. , VISCARDI G. , CARPIGNANO R. , BARNI E. , FERRERO G.
Published: May 2016

Diazotization of the amines (I) and subsequent coupling with N,N‐diethylaniline (II) yield the azo dyes (IV) which are treated with methyl iodide (V) to form the salts (VI).
ChemInform Abstract: Synthesis of Novel Analogs of Phthalein Dyes with a Chiral Carbon Atom.
Authors: ALI S. , BEG I. M. , GUPTA P. C.
Published: May 2016

Acid‐catalyzed reaction of the 2‐aroyl‐3‐nitrobenzoic acids (I) with polyhydroxyarenes such as (II) yields the analogs (III) of phthalein dyes.
ChemInform Abstract: Preparation of Steroid Glycosides Using Cobalt(II) Carbonate.
Authors: RAJANIKANTH B. , SESHADRI R.
Published: May 2016

The glycosidation of cholesterol, β‐sitosterol and stigmasterol using a glycosyl halide and cobalt carbonate catalyst furnishes the corresponding glycoside tetraacetates in 60‐68% yields.
ChemInform Abstract: Oxidative Hydrolysis of Conformationally Restrained Pent‐4‐enyl Glycosides: Formation of N‐Acetyl‐α‐D‐glucopyranosylamines.
Authors: RATCLIFFE A. J. , FRASER‐REID B.
Published: May 2016

Both the α‐ and β‐anomers of the conformationally restrained pentenyl D‐glucopyranosides (I), on treatment with NBS in aqueous MeCN (II), give the N‐acetyl‐α‐D‐glucopyranosylamines (III) as a consequence of MeCN addition to an oxocarbenium ion intermediate and subsequent H2O addition.
ChemInform Abstract: (4 + 2)Cycloaddition Reaction of Bis(trichloroethyl) Azodicarboxylate and Glycals: Preparation of a C1‐C1 2‐Amino Disaccharide.
Authors: LEBLANC Y. , FITZSIMMONS B. J.
Published: May 2016

Due to the electron withdrawing trichloroethyl groups, the azodicarboxylate has enhanced reactivity in the photo‐induced cycloaddition reaction with the glycals (I), (VIII), or (XII), yielding the pyrano‐1,3,4‐oxadiazines (III), (IX), or (XIII).
ChemInform Abstract: A Convenient Synthesis of 1‐(β‐D‐Ribofuranosyl)imidazo(4,5‐d)pyridazin‐4(5H)‐one (2‐Aza‐3‐deazainosine) and Its 2′‐Deoxy Counterpart by Ring Closure of Imidazole Nucleosides.
Authors: RAMESH K. , PANZICA R. P.
Published: May 2016

The title compound (IV) and its deoxy analogue (VII) are prepared via glycosylation of the 4,5‐disubstituted imidazole (I) and subsequent cyclization to the imidazo(4,5‐d)pyridazine ring.
ChemInform Abstract: Structure and Synthesis of Gymnopusin, a Novel Phenanthrenediol from the Orchid Bulbophyllum gymnopus.
Authors: HUGHES A. B. , SARGENT M. V.
Published: May 2016

The synthesis of the diols (XIII) and (XV) includes a Pummerer rearrangement of the β‐oxo sulfoxide (XI) as the key step.
ChemInform Abstract: Synthesis and Platelet Aggregation Inhibiting Activity of 1′‐Carboxyl Modified Hydantoin Prostaglandin Analogues.
Authors: BARRACLOUGH P. , CALDWELL A. G. , HARRIS C. J. , JACKSON W. P. , WHITTLE B. J. R.
Published: May 2016

The prostaglandin analogue (Ia) is a potent inhibitor of human platelet aggregation.
ChemInform Abstract: The Effect of the Carboxy Group on the Chemical and β‐Lactamase Reactivity of β‐Lactam Antibiotics
Authors: LAWS A. P. , PAGE M. I.
Published: May 2016

(I)‐(III).
ChemInform Abstract: In vitro Photosensitizing Activities of Hydrosoluble Metallonaphthalocyanines.
Authors: MARGARON P. , TEMPETE C. , DENDANE Y.‐M. , GASPARD S. , GIANNOTTI C. , WERNER G.‐H.
Published: May 2016

The complexes (I) in DMSO solution were tested concerning their potential use in photodynamic therapy of human cancers and proved to be inactive.
ChemInform Abstract: 2,3‐Disubstituted Quinazolinones and Their Antiparkinsonian Activity.
Authors: NAITHANI P. K. , PALIT G. , SRIVASTAVA V. K. , SHANKER K.
Published: May 2016

Fifteen title compounds are prepared and tested for their antiparkinsonian activity.
ChemInform Abstract: Low Pressure Deposition of Doped SiO2 by Pyrolysis of Tetraethylorthosilicate (TEOS). Part 2. Arsenic Doped Films.
Authors: BECKER F. S. , TREICHEL H. , ROEHL S. +
Published: May 2016

Arsenosilicate glasses (AsSG) with dopant levels up to 15% are prepared using TEOS and triethoxyarsine (TEOA) or triethylarsenate (TEAs).
ChemInform Abstract: Vibrational Spectra and Force Constants for the Molecular Series NH3‐nCln.
Authors: SAWODNY W. , HAERTNER H. + , MINKWITZ R. , BERNSTEIN D.
Published: May 2016

To obtain more reliable results, the IR spectrum of NCl3, hitherto only known in solution, is remeasured in an N2 matrix and reassigned.
ChemInform Abstract: Crystal Structure of a Many‐Fold Connected Complex of Lanthanum in Cs3La(N3)6.
Authors: MAUTNER F. A. , KRISCHNER H. , FRITZER H. P. , KRATKY CH.
Published: May 2016

Single crystals of the title compound, obtained by metathetical reactions (caution: Cs3La(N3)6 can be explosive under grinding or heating]), belong to the triclinic space group P1 with Z=2.
ChemInform Abstract: Crystal Chemistry of BaCa2Ln6O12 (Ln: In, Sc, Y, Dy, Ho, Er, Tm, Yb, Lu) and Luminescence of Europium‐ and Terbium‐Activated BaCa2Y6O12.
Authors: HINTZEN H. T. , VAN HAL H. A. M. , LANGEREIS C. , DENISSEN C. J. M.
Published: May 2016

It is demonstrated that the isomorphous title compounds can be prepared by solid state reactions of BaO, CaO, and Ln2O3 at temp. as low as 1300 °C and 1450 °C. The lattice parameters of the hexagonal structures (space group P63/m, Z=1) vary linearly with the ionic radius of the Ln3+ ion.
ChemInform Abstract: The Structure of Trigonal Thorium Molybdate
Authors: LARSON E. M. , ELLER P. G. , CREMERS T. L. , PENNEMAN R. A. , HERRICK C. C.
Published: May 2016

(P3, Z = 9), which differs radically from that of the low‐temp.
ChemInform Abstract: Electrical Transport Studies of Glassy Zr‐Ni Hydrides.
Authors: TOTH J. , BAKONYI I. , LOVAS A. , TOMPA K.
Published: May 2016

The thermoelectric power and resistance are measured for Zr‐Ni metallic glasses containing 0.7 at.% phosphorus.
ChemInform Abstract: Temperature Dependence of Magnetic Susceptibility and Electrical Resistivity of La3Co and Lu3Co.
Authors: TALIK E. , HEIMANN J. , SZADE J. , CHELKOWSKI A.
Published: May 2016

Single crystals of the title compounds (both Fe3C‐type structure) are grown by the Czochralski method.
ChemInform Abstract: Magnetic Behavior of LnCo4B Compounds with Ln: Ce, Tb, Dy, and Ho
Authors: BURZO E. , PLUGARU N. , CREANGA I. , URSU M.
Published: May 2016

is studied in the temp. range 4.2‐700 K. The CeCo4B compounds order ferromagnetically, while the other title compounds show ferrimagnetic ordering.
ChemInform Abstract: A Physico‐Chemical Study of Ga‐ZSM‐5 Zeolite
Authors: HANDRECK G. P. , SMITH T. D.
Published: May 2016

is performed in order to study the influence of the Ga3+ content of the ZSM‐5 reaction mixture on the simultaneous formation of silicalite and Ga‐ZSM‐5 and the growth of acid sites in the zeolite.
ChemInform Abstract: Acidity Enhanced Pillared Clay Catalysts. Modification of Exchangeable Sites on Fluor‐tetrasilicic Mica by the Fixed Interlayer Cations.
Authors: SAKURAI H. , URABE K. , IZUMI Y.
Published: May 2016

La3+‐modified pillared fluor‐tetrasilicic mica (TSM) is prepared by ion‐exchange of Na+‐TSM (Na1.00Mg2.63(Si3.94Al0.05Mg0.01)O10.19F1.81) using a La(NO3)3 solution followed by calcination (200‐500 °C, 3 h) and Al‐pillaring.
ChemInform Abstract: Barium Magnesium Titanate, BaMg6Ti6O19, with Magnetoplumbite Structure.
Authors: DROBYSHEVSKAYA N. D. , GINDIN E. I. , KIRILLOVA G. K. , MAGAMADOVA T. A. , POLYAKOV S. M.
Published: May 2016

The hitherto unknown title compound is formed between 1360 and 1380 °C in the system BaO‐MgO‐TiO2.
ChemInform Abstract: Synthesis and Crystal Structure of Nitrosofluorotetrammines of Osmium and Ruthenium.
Authors: SINITSYN M. N. , SVETLOV A. A. , KANISHCHEVA A. S. , MIKHAILOV YU. N. , SADIKOV G. G. , KOKUNOV YU. V. , BUSLAEV YU. A.
Published: May 2016

Starting from (MNO(NH3)4OH) (NO2)2 (M: Ru, Os) or from (MNOF5) (NO2)2, whose cations are converted to (MNO(NH3)4F)2+ on treatment with NH4HF2 at 200 °C, the hitherto unknown title compounds (I)‐(IV) are prepared.
ChemInform Abstract: Structure of Ba4PtO6 from Time‐of‐Flight Powder Neutron Diffraction Data.
Authors: WILKINSON A. P. , CHEETHAM A. K.
Published: May 2016

A new phase of Ba4PtO6 is obtained by the reaction of BaCO3 and PtO2 in an alumina crucible lined with Pt foil at 1370 K (3 d).
ChemInform Abstract: Spectroscopic Behavior of a New Family of Mixed‐Ligand Iridium(III) Complexes.
Authors: SANDRINI D. , MAESTRI M. , ZIESSEL R.
Published: May 2016

The absorption spectra, luminescence spectra, and luminescence lifetimes of the complexes (I) and (II) are investigated.
ChemInform Abstract: Structure of Tetrahydrozoline Hydrochloride.
Authors: GHOSE S. , DATTAGUPTA J. K.
Published: May 2016

The structure of the title compound (I) (space group P1 with Z=2) is investigated in order to get informations about the structural differences between phenethylamines and α‐adrenergic imidazoline agonists.
ChemInform Abstract: Structure of 4‐Phenylthiazole‐2(3H)‐thione and Bis(4‐chlorophenacyl) Disulfide, the Product Obtained on Its Gas‐Solid Chlorination.
Authors: NALINI V. , DESIRAJU G. R.
Published: May 2016

The title compound (I) crystallizes in yellow and white modifications from EtOAc and benzene, respectively.
ChemInform Abstract: Structure of an Open‐Ended Cage Compound.
Authors: WATSON W. H. , NAGL A. , MARCHAND A. P. , REDDY G. M.
Published: May 2016

In connection with a study of the synthesis and chemistry of novel, substituted pentacyclo(5.4.0.0.2,6.03,10.05,9)undecanes, the reaction of compound (I) with propionic acid was studied.
ChemInform Abstract: Axial Ligation of Oxygen Donors to Tetraphenylporphyrinatocadmium(II).
Authors: OZAWA T. , HANAKI A. , SANO M.
Published: May 2016

The title reaction is studied for 29 donors in CH2Cl2 by a spectrophotometric method.
ChemInform Abstract: Complex Formation Equilibria of L‐Amino Acid Amides with Copper(II) in Aqueous Solution.
Authors: DALLAVALLE F. , FISICARO E. , CORRADINI R. , MARCHELLI R.
Published: May 2016

Protonation and Cu(II) complex formation constants are determined for L‐phenylalaninamide its N‐monomethyl‐ and N,N‐dimethyl derivatives, L‐valinamide and L‐prolinamide.
ChemInform Abstract: Diastereoselectivity in the TiCl4‐Mediated Aldol Reaction of Cyclic Dienylsilyl Ethers.
Authors: BARNER B. A. , LIU Y. , RAHMAN MD. A.
Published: May 2016

Cyclic dienylsilyl ethers such as (I), derived from (R)‐(+)‐pulegone, undergo TiCl4‐catalyzed crossed aldol reactions with the aldehydes (II) to give the syn and anti hydroxy enones (III) and (IV) with good diastereoselectivity in the most cases.
ChemInform Abstract: Domino and Pincer Cycloadditions with syn‐o,o′‐Dibenzenes: Scope and π‐Facial Stereoselectivity.
Authors: FESSNER W.‐D. , GRUND C. , PRINZBACH H.
Published: May 2016

The dibenzo‐fused cage compounds (I) are subjected to thermally‐induced cycloaddition reactions with the dienophiles (II) and (IV).
ChemInform Abstract: Structural Effect on the Mechanistic Pathway of the Decomposition of 3‐Alkyl‐1‐aryltriazenes: A Kinetic Study.
Authors: LAILA A. A. R.
Published: May 2016

The reaction of triazenes such as (I) with acetic acids such as (II) and (V) is studied kinetically.
ChemInform Abstract: Regioselectivity and Diastereoselectivity in Free‐Radical Macrocyclization.
Authors: PORTER N. A. , LACHER B. , CHANG V. H.‐T. , MAGNIN D. R.
Published: May 2016

Cyclization of the iodides (I) gives mixtures of the endo products (II) and the exo products (III) with a preference for the endo‐cyclization.
ChemInform Abstract: Photochemistry and Photophysics of Purine Free Base and 6‐Methylpurine.
Authors: QUINONES E. , ARCE R.
Published: May 2016

Lifetime of purine triplet (excited singlet state) is estimated to be 1.7 μs (7 ns) under deoxygenated conditions applying nanosecond and picosecond laser flash photolysis, respectively, in aqueous solution.
ChemInform Abstract: Temperature, Solvent, and Substituent Effects on the Singlet Oxidations of Allylic Phenyl Sulfoxides, Sulfones, and Sulfides.
Authors: CLENNAN E. L. , CHEN X.
Published: May 2016

The reactions of singlet oxygen with a series of allylic sulfoxides, sulfones and sulfides such as (I) are examined as a function of extent of reaction, temp. and solvent.
ChemInform Abstract: Synthesis of Alkyl Halides Under Neutral Conditions.
Authors: MUNYEMANA F. , FRISQUE‐HESBAIN A.‐M. , DEVOS A. , GHOSEZ L.
Published: May 2016

The α‐halo enamines (II) react with the alcohols (I) to give the alkyl halides (IV) via the intermediate salts (III).
ChemInform Abstract: Copper Protection in the Palladium‐Catalyzed Regioselective Allylation of a Model Polyketide: Methyl 3,5‐Dioxohexanoate.
Authors: MARQUET J. , MORENO‐MANAS M. , PRAT M.
Published: May 2016

The bisdionatocopper complex (I) is treated with various allylic acetates (II), (V), (VIIIb), or the carbonate (VIIIa) in the presence of a base and a palladium complex to produce the 2‐substituted 3,5‐dioxohexanoates (III), (VI), and (VII) or (IX) and (X).
ChemInform Abstract: Triethylborane‐Induced Radical Addition of Alkyl Iodides to Acetylenes.
Authors: ICHINOSE Y. , MATSUNAGA S. , FUGAMI K. , OSHIMA K. , UTIMOTO K.
Published: May 2016

Coupling of the terminal alkynes (I) with the alkyl iodides (II) in the presence of triethylboron gives the iodoalkenes (III).
ChemInform Abstract: Oxidation of Methylhydrazine at a Metal Center. Stereoselective Synthesis of cis‐Methyldiazene, NH=N(CH3).
Authors: SMITH M. R. III , KEYS R. L. , HILLHOUSE G. L. , RHEINGOLD A. L.
Published: May 2016

cis‐Methyldiazene (IX) can be prepared stereoselectively at a tungsten center by oxidation of coordinated methylhydrazine in complex (V) followed by displacement under mild conditions (see scheme).
ChemInform Abstract: Interaction of 5‐Azido‐1,2,3‐benzenetricarboxylic Acid with the Mitochondrial Tricarboxylate Carrier.
Authors: CAPASSO R. , RANDAZZO G. , STIPANI I. , ZARA V. , PALMIERI F.
Published: May 2016

The overall yield of the synthesis amounts to ca. 25%.
ChemInform Abstract: Crystal Structure and Solid State Photoreactivity of 2,5‐Dibenzylidenecyclopent‐3‐ene‐1‐one and Its Tetrachloro Derivative.
Authors: DESIRAJU G. R. , BERNSTEIN J. , KISHAN K. V. R. , SARMA J. A. R. P.
Published: May 2016

The 2,5‐bis(benzylidene)cyclopentanones (I) are treated with bromine and NBS and then reduced with Zn in methanol to give the cyclopentenones (II).
ChemInform Abstract: Diazirines in Carbenoid Reactions Catalyzed by Rhodium(II) Carboxylates.
Authors: DOYLE M. P. , HIGH K. G. , OON S.‐M. , OSBORN A. K.
Published: May 2016

The decomposition of the diazirine (I) in the presence of excess butyl vinyl ether (II) is induced under thermal and photolytic conditions to give a complex mixture of the products (III) ‐ (VIII).
ChemInform Abstract: Ortho‐Selective Side‐Chain Nitration of Methyl‐Substituted Alkenoylbenzenes and Its Application to Synthesis of 4‐Nitro‐1‐tetralones.
Authors: KEUMI T. , INAGAKI T. , NAKAYAMA N. , TANIGUCHI M. , MORITA T. , KITAJIMA H.
Published: May 2016

The substituted o‐tolyl vinyl ketones (I) react with fuming nitric acid (II) to give the 2‐nitromethylphenyl ketones (III) as the main products.
ChemInform Abstract: Direct Synthesis of Indenones from Alkenyliron Complexes.
Authors: BUTLER I. R. , ELLIOTT J. E. , HOUDE J. JUN.
Published: May 2016

Reaction of phenyl‐Li (II) with the acetylenes (I) followed by metathesis with dicarbonyl(η5‐cyclopentadienyl)iron (IV) at low temp. gives the alkenyliron compounds (V) which on thermolysis afford the indenones (VI).
ChemInform Abstract: Stereoselectivity of Organometallic Reagents Addition to 7‐Oxabicyclo‐(2.2.1)hept‐5‐en‐2‐one.
Authors: ARJONA O. , FERNANDEZ DE LA PRADILLA R. , MALLO A. , PEREZ S. , PLUMET J.
Published: May 2016

Treatment of the oxabicycloheptenone (I) with the organolithium agents (II) yields the alcohols (III) and (IV) with predominance of the endo‐isomers (III).
ChemInform Abstract: ortho‐ and para‐Photocycloadditions of 3‐Methoxy‐N‐methylphthalimide to n‐Hexene.
Authors: SUAU R. , GARCIA SEGURA R. , SOSA OLAYA F.
Published: May 2016

3‐Methoxy‐N‐methylphthalimide (I) and 1‐hexene (II) are irradiated in benzene to give the stereoisomeric imides (III) and the ene adduct (IV).
ChemInform Abstract: Transition‐Metal‐Mediated Thiosulfinate Ester Synthesis.
Authors: RASETA M. E. , CAWOOD S. A. , WELKER M. E. , RHEINGOLD A. L.
Published: May 2016

Thiosulfinate esters are used as antibacterials, antifungals and plant growth regulators.
ChemInform Abstract: Tris‐imidazole Tripodands: Synthesis and Complexation.
Authors: POTVIN P. G. , GAU R. , UNRAU C. M. , GEHL N. K.
Published: May 2016

The title compounds (III), (V), and (VII) are prepared and preliminary results of complexation studies are reported.
ChemInform Abstract: Base‐Promoted Cyclocoupling Reaction of 2‐Bromopropanamides and 2‐Bromoacetamides with DMF.
Authors: D'ANGELI F. , CAVICCHIONI G. , CATELANI G. , MARCHETTI P. , MARAN F.
Published: May 2016

In the presence of Ag2O, the amides (I) or (VII) undergo cyclocondensation with DMF (II) to yield the oxazolidines (IV) or (VIII).
ChemInform Abstract: An Improved Synthesis of 6,8‐Dimethoxy‐3‐methylisocoumarin, a Fungal Metabolite Precursor.
Authors: KENDALL J. K. , FISHER T. H. , SCHULTZ H. P. , SCHULTZ T. P.
Published: May 2016

The synthesis of the title compound (IX) starts with the Perkin condensation of 3,5‐dimethoxybenzaldehyde (I) with propionic anhydride (II), followed by catalytic reduction of the cinnamic acid derivative (IV).
ChemInform Abstract: (4 + 2) Cycloadditions of α,β‐Unsaturated Hydrazones. Part 3. Isothiazolo(4,5‐b)pyridin‐3(2H)‐one 1,1‐Dioxides (= 4‐Azasaccharine Derivatives).
Authors: WALDNER A.
Published: May 2016

Reaction of the components (I) and (II) generates the heterocyclic cycloadducts (III) which are very readily desaminated on silica gel to give the compounds (IVa), (IVb), (IVc) (+ main product (V)).
ChemInform Abstract: Intramolecular Inverse Electron Demand Diels‐Alder Reactions of Pyrazines.
Authors: BIEDRZYCKI M. , DE BIE D. A. , VAN DER PLAS H. C.
Published: May 2016

Thermally induced intramolecular Diels‐Alder cyclization reactions of the pyrazines (I) and (IV) to give the dihydropyranopyridines (II), (III) and (V), (VI), resp., are comparatively studied.
ChemInform Abstract: A Convenient in situ Procedure for Effecting Inter‐ and Intramolecular Diels‐Alder Reactions of N‐Sulfonyl Imines.
Authors: SISKO J. , WEINREB S. M.
Published: May 2016

The aldehydes (I) react with N‐sulfinyl tosylamide (II) in the presence of boron trifluoride etherate (III) to form the imine complexes (IV) which undergo Diels‐Alder cycloaddition with the butadienes (V), yielding the tetrahydropyridines (VI).
ChemInform Abstract: Preparation of 2‐Lithiotetrahydropyrans: Kinetic and Thermodynamic Generation of Alkyllithium Reagents.
Authors: RYCHNOVSKY S. D. , MICKUS D. E.
Published: May 2016

Lithiation of the tetrahydropyrans (I) and (V) or the dioxane (VIII) is performed with lithium di‐tert‐butylbiphenylide at a low temperature.
ChemInform Abstract: Synthesis of Novel 1‐(R)‐2‐Amino‐3‐hetarylpyrrolo(2,3‐b)quinoxalines.
Authors: KOZYNCHENKO A. P. , VOLOVENKO YU. M. , BABICHEV F. S. , PROMONENKOV V. K.
Published: May 2016

The benzothiazolyl(chloroquinoxalinyl)acetonitrile (I) reacts with the anilines (II) to give the pyrroloquinoxalines (III).
ChemInform Abstract: Synthesis of 3,5‐Dihalo‐2H‐1,4‐oxazin‐2‐ones from Cyanohydrins.
Authors: MEERPOEL L. , HOORNAERT G.
Published: May 2016

The cyanohydrins (Ib) or the corresponding silyl ether (Ia) react with the oxalyl halides (II) to form the 3,5‐dihalooxazin‐2‐ones (III).
ChemInform Abstract: Synthesis, Antiinflammatory, and Analgesic Activity of N‐Acylureas.
Authors: ARBUZOV B. A. , FEDOTOVA N. R. , ZOBOVA N. N. , NAZYROVA A. Z. , ANAN'EV E. V. , GORBUNOV S. M.
Published: May 2016

The acyl isocyanate (I) reacts with the pyrazoline (II) to yield the urea (III).
ChemInform Abstract: Cobalt‐Mediated Reactions. A New Synthetic Approach to β‐, γ‐, and δ‐Lactams.
Authors: GILL G. B. , PATTENDEN G. , REYNOLDS S. J.
Published: May 2016

The N‐alkenylcarbamoyl cobalt complexes (I) are subjected to photolysis or thermolysis, yielding lactam derivatives such as (II), (V), (VII), and (VIII) or (XI) ‐ (XIII).
ChemInform Abstract: Enantioselective Complexation of Simple Amides by a C2 Host Molecule.
Authors: SANDERSON P. E. J. , KILBURN J. D. , STILL W. C.
Published: May 2016

The syntheses starting from L‐Boc‐diiodotyrosine, X‐ray structures and binding properties of the C2 host molecules (I) are described.
ChemInform Abstract: Synthesis and Structure of Novel Polycyclic Species from Toluene and m‐Xylene and the Dehalogenation Product of Difluoro(diisopropylamino)borane.
Authors: MELLER A. , SEEBOLD U. , MARINGGELE W. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

During the synthesis of the novel compounds (III) (space group P21/c, Z=4) and (V) (P21/m, Z=2) the aromatic ring of toluene (I) is split into C2 and C4 units whereas the ring of m‐xylene (IV) is opened and rearranged with formation of a cyclopropane ring.
ChemInform Abstract: Oxiranyl Anions. Improved Synthesis of Trimethylsilyl‐Substituted Oxiranyl Anions and Their Addition to Aldehydes and Ketones.
Authors: MOLANDER G. A. , MAUTNER K.
Published: May 2016

The epoxidation of the silylated alkenes (I) with MCPBA in a buffered solution yields the oxiranes (II) which are first lithiated and then coupled with aldehydes such as (III) to give the diastereomeric alcohols (IV) and (V).
ChemInform Abstract: Synthesis and Some Properties of Functional Linear and Cyclic Polyethylsiloxanes.
Authors: MAKAROVA N. N. , LAVRUKHIN B. D. , TURKEL'TAUB G. N. , KUZ'MIN N. N. , PETROVA I. M. , MATUKHINA E. V.
Published: May 2016

Condensation reaction of the silanediol (Ia) or the disiloxane (Ib) with ethyltrichlorosilane (II) gives predominantly the linear siloxanes (III) which are coupled with further (I), producing the cyclization products (V) and (VI).
ChemInform Abstract: Synthesis and Radioprotective Properties of Some S‐Derivatives of Bis(1,2,2′‐mercaptoethyl)amine.
Authors: CHEN B. C. , PANTEV T. P.
Published: May 2016

2,2'‐Dibromodiethylamine (I) reacts with sodium thiophosphate (II), sodium thiosulfate (IV), and thiourea (VI), yielding the substitution products (III), (V), and (VII).
ChemInform Abstract: Synthesis of Bis(2‐(dimethylarsino)ethyl)amine.
Authors: EDWARDS P. G. , WILLS A. R.
Published: May 2016

The previously reported syntheses of the title compound (III) are found to be irreproducible.
ChemInform Abstract: Synthesis, Solid State 31P CP MAS NMR IR and Raman Studies of Mercury(II) Complexes of 1,3,5‐Triaza‐7‐phosphaadamantane (PTA).
Authors: ALYEA E. C. , FISHER K. J. , JOHNSON S.
Published: May 2016

The insoluble complexes (I) and (II) are prepared by reaction of the appropriate mercury salts with the water‐soluble phosphine ligand in hot methanol (yield 43‐90%).
ChemInform Abstract: Ligand Oxidation in a Nickel Thiolate Complex: A Model for the Deactivation of Hydrogenase by O2.
Authors: KUMAR M. , COLPAS G. J. , DAY R. O. , MARONEY M. J.
Published: May 2016

The structurally characterized complex (III) (P21/c, Z=4) undergoes a four‐electron oxidation to the novel diamagnetic Ni(II) complex (V).
ChemInform Abstract: Carbodithioato Derivatives of Weak Nitrogenous Nucleophiles. Part 2. Non‐Direct Syntheses and Structural Studies of Ni(II) N‐Carbodithioates with Substituted Ureas, Carbamic Esters and Sulfonamides.
Authors: HADJIKOSTAS C. C. , KATSOULOS G. A. , SIGALAS M. P. , TSIPIS C. A.
Published: May 2016

Electrophilic substitution reactions of the Ni(II) N‐alkyldithiocarbamates (I) as shown for some examples result in the formation of the derivatives (III).
ChemInform Abstract: Preparation of Mixed Dithio‐β‐diketonato (Tertiary Phosphine) Palladium(II) Complexes.
Authors: BENNETT M. A. , CAVELL K. J. , CHAN K. Y.
Published: May 2016

The neutral and cationic pentanedithionato complexes (IV) and (V) are prepared by 1:1:1 molar reaction of the Pd(0) complex (I) with 3,5‐dimethyl‐1,2‐dithiolium halides (II) and corresponding phosphine ligands.
ChemInform Abstract: Corallistin A, a Second Example of a Free Porphyrin from a Living Organism. Isolation from the Demosponge Corallistes sp. of the Coral See and Inhibition of Abnormal Cells.
Authors: D'AMBROSIO M. , GUERRIERO A. , DEBITUS C. , RIBES O. , RICHER DE FORGES B. , PIETRA F.
Published: May 2016

The title compound (I) proves to be active against the Kb cell line, whereas in vivo assays are negative.
ChemInform Abstract: Novel Cembranolides (Coralloidolide D (I) and E (II)) and a 3,7‐Cyclized Cembranolide (Coralloidolide C (III)) from the Mediterranean Coral Alcyonium coralloides.
Authors: D'AMBROSIO M. , GUERRIERO A. , PIETRA F.
Published: May 2016

Compound (+)‐(II), when dissolved in pyridine at room temp., undergoes a double bond shift from C4=C5 to C4=C18.
ChemInform Abstract: Preparation of Chiral Compound Using Enzymes. Part 2. Synthesis of (‐)‐Deoxypodocarpic Acid Methyl Ester via an Enzymatic Enantioselective Hydrolysis of the Key Intermediate Enol Ester.
Authors: SUGAI T. , KAKEYA H. , OHTA H. , MOROOKA M. , OHBA S.
Published: May 2016

The title compound (‐)‐(VII) is a useful intermediate for the synthesis of various diterpenes.
ChemInform Abstract: Non‐Proteinogenic Amino Acid Synthesis. The β‐Anion Derived from Aspartic Acid, and Its Application to α‐Amino Acid Synthesis.
Authors: BALDWIN J. E. , MOLONEY M. G. , NORTH M.
Published: May 2016

The β‐anion derived from the aspartate (I) can be alkylated with suitable electrophiles such as (II) to give the diester (III) as a diastereomeric mixture at the β‐carbon atom, but without loss of enantiomeric purity at the α‐carbon atom.
ChemInform Abstract: Non‐Proteinogenic Amino Acid Synthesis: Synthesis of β,γ‐Unsaturated α‐Amino Acids from Aspartic Acid.
Authors: BALDWIN J. E. , MOLONEY M. G. , NORTH M.
Published: May 2016

Alkylation of the β‐anion derived from the aspartic acid derivative (I) yields the hydroxy diesters (III) as mixtures of both possible syn diastereomers concerning the hydroxyl and β‐ester groups.
ChemInform Abstract: New Synthesis of Dehydrodipeptides from Substituted Oxamic Acids.
Authors: PERSON D. , LE CORRE M.
Published: May 2016

The α‐phthalimido nitriles (I) react with methanol (II) to give the intermediate imino ethers which are acylated with the oxalyl chloride (III) to give the N‐(methoxymethylene)amides (IV).
ChemInform Abstract: Synthesis of Asymmetric 1‐Amino‐2‐phenylcyclopropanecarboxylic Acids by Diastereoselective Cyclopropanation of Highly Functionalized Homochiral Olefines.
Authors: FERNANDEZ M. D. , PILAR DE FRUTOS M. , MARCO J. L. , FERNANDEZ‐ALVAREZ E. , BERNABE M.
Published: May 2016

The benzylidenoxazolone (I) reacts with S‐proline (II) and acetic acid anhydride (III) to give the fused piperazinedione (IV) which is treated with diazomethane (V) to form the pyrazoline (VI).
ChemInform Abstract: Structure of 7,14,15,17‐Tetraoxa‐10‐azapentacyclo(10.2.1.12,11.15,8.03,9)heptadeca‐3,9‐dien‐2‐ol, a Pentacyclic Alcohol Prepared from Levoglucosenone.
Authors: KETTMANN V. , BYSTRICKY S. , STICZAY T. , KOOS M.
Published: May 2016

The title compound (I) (space group P212121 with Z=4) forms helical chains.
ChemInform Abstract: Aplysinopsin‐Type Alkaloids from Dendrophyllia sp., a Scleractinian Coral of the Family Dendrophylliidae of the Philippines. Facile Photochemical (Z/E) Photoisomerization and Thermal Reversal.
Authors: GUELLA G. , MANCINI I. , ZIBROWIUS H. , PIETRA F.
Published: May 2016

The compounds (I)‐(III) are isolated from the title coral.
ChemInform Abstract: Synthesis and Antiviral Activity of 1‐(β‐D‐Arabinofuranosyl)thymine.
Authors: KVASYUK E. I. , KULAK T. I. , TKACHENKO O. V. , MIKHAILOPULO I. A. , ZINCHENKO A. I. , BARAI V. N. , BOKUT' S. B. , MARENNIKOVA S. S. , CHEKUNOVA E. V.
Published: May 2016

1‐(β‐D‐Ribofuranosyl)thymine (V), prepared from thymine (I) via the protected riboside (IV) or by microbiological transglycosylation of inosine (VI), is converted into 1‐(β‐D‐arabinofuranosyl)thymine (VII) upon treatment with acetylsalicylic chloride.
ChemInform Abstract: Structure of Khellinium Hydrogensulfate.
Authors: BOUTIBA S. , KALLEL A. , HILA J. E. , PAULUS E. F.
Published: May 2016

Khellin exhibits spasmolytic activity.
ChemInform Abstract: Isopentenylindole Derivatives and Other Components of Esenbeckia leiocarpa.
Authors: DELLE MONACHE F. , DELLE MONACHE G. , ALVES DE MORAES E SOUZA M. , DA SALETE CAVALCANTI M. , CHIAPPETA A.
Published: May 2016

The compounds (I)‐(IV) and (VII) are new natural products from the title species.
ChemInform Abstract: Coupling of the Anthracycline Antitumor Drug Menogaril to 2′‐Deoxyguanosine Through Reductive Activation.
Authors: EGHOLM M. , KOCH T. H.
Published: May 2016

Reductive coupling of menogaril (I) with 2'‐deoxyguanosine (II) in the presence of the dimeric one‐electron reducing agent DHM proceeds via the quinone methide (III) to give the products (IV)‐(VI).
ChemInform Abstract: Synthesis of Novel 3‐Formamido‐3‐(acylamino)monobactams.
Authors: BRANCH C. L. , FINCH S. C. , PEARSON M. J.
Published: May 2016

The 4‐(methylsulfonyl)azetidinone (I) is desulfonated with sodium boranate, detritylated with p‐toluenesulfonic acid monohydrate and then coupled with p‐nitrobenzaldehyde (III) to form the imine (IV).
ChemInform Abstract: Characterization of the Fusarium Toxin Equisetin: The Use of Phenylboronates in Structure Assignment.
Authors: PHILLIPS N. J. , GOODWIN J. T. , FRAIMAN A. , COLE R. J. , LYNN D. G.
Published: May 2016

Fusarium equiseti has repeatedly been identified in environments where several genetically unrelated individuals each developed leukemia.
ChemInform Abstract: Reactions of Hydrogen Halides with Clusters of Ammonia Molecules.
Authors: BREEN J. J. , KILGORE K. , WEI S. , TZENG W.‐B. , KEESEE R. G. , CASTLEMAN A. W. JUN.
Published: May 2016

Mixed hydrogen halide/ammonia clusters are generated using a pulsed ammonia cluster beam crossed by a stream of HX molecules (X: I or Cl) from an effusive source under multiple collision conditions.
ChemInform Abstract: Sandwich Colloids of ZnO and ZnS in Aqueous Solutions.
Authors: RABANI J.
Published: May 2016

Injection of H2S to colloidal solutions of ZnO (diameter 5 nm, 2500 ZnO molecules/particle) produces a ZnS colloid at the ZnO surface.
ChemInform Abstract: Moessbauer Resonance Study of the 6H‐Type BaFeO2.72
Authors: GRENIER J. C. , FOURNES L. , POUCHARD M. , HAGENMULLER P. , PARRAS M. , VALLET M. , CALBET J.
Published: May 2016

indicate that two iron sites containing preferentially Fe(III) and Fe(IV) have a high spin configuration.
ChemInform Abstract: Thermal Decomposition of Ammonium Fluoroaluminates in Self‐Generated Atmosphere
Authors: MENZ D.‐H. , BENTRUP U.
Published: May 2016

is studied for (NH4)3AlF6, (NH4)2(AlF5(H2O)), and NH4AlF4.
ChemInform Abstract: Redox Reactions in Condensed Oxide Systems. Part 10. Formation of Defect Spinels and Phase Relations in the System NixMn3‐xO4.
Authors: FELTZ A. , TOEPFER J. +
Published: May 2016

The formation of a defect spinel phase is observed in the low temp. range of the phase diagram of the title system.
ChemInform Abstract: Photodissociation of Chlorine Molecules Under Collision Conditions: Laser‐Induced Luminescence Ascribable to Cl3 Species.
Authors: KAWASAKI M. , SATO H. , INOUE G.
Published: May 2016

UV laser irradiation of chlorine molecules generates the species Cl3 (ground state X2A1, bond angle 150°).
ChemInform Abstract: Synthesis and Structure of the Zintl Phase K2SiAs2.
Authors: HURNG W.‐M. , PETERSON E. S. , CORBETT J. D.
Published: May 2016

The Zintl phase mentioned in the title is best synthesized according to the scheme.
ChemInform Abstract: Crown Thioether Chemistry. The Silver(I) Complexes of Trithia‐9‐crown‐3, Trithia‐12‐crown‐3, and Hexathia‐18‐crown‐6.
Authors: BLOWER P. J. , CLARKSON J. A. , RAWLE S. C. , HARTMAN J. R. , WOLF R. E. JUN. , YAGBASAN R. , BOTT S. G. , COOPER S. R.
Published: May 2016

Reaction of Ag triflate with trithianonane (ratio 1:2) in MeOH yields (I) (78% yield) which crystallizes in Pnam with Z=4.
ChemInform Abstract: The First Example of an Ethylene‐Selective Soluble Ziegler Catalyst of the Zirconocene Class.
Authors: HERRMANN W. A. , ROHRMANN J. , HERDTWECK E. , SPALECK W. , WINTER A.
Published: May 2016

Chiral, sterically rigid metallocenes of the fourth subgroup together with methylaluminoxane as co‐catalyst exhibit highly active, stereospecific catalytically activity for the polymerization of α‐olefins.
ChemInform Abstract: Chemistry of Furans. Part 7. Diels‐Alder Reaction on Substituted Furanamides.
Authors: RAI U. K. , SHANKER B. , SINGH S. , RAO R. B.
Published: May 2016

Methyl 2‐furoate and the amide (Ia) do not undergo cycloaddition reaction with a variety of dienophiles.
ChemInform Abstract: Highly Stereoselective Synthesis of Di‐ and Trisubstituted Homoallylic Alcohols via Palladium(0)‐Catalyzed Nucleophilic Opening of Vinylic Oxetanes.
Authors: LAROCK R. C. , STOLZ‐DUNN S. K.
Published: May 2016

Reaction of the activated methylene compounds (I) or (IV) with the 2‐vinyloxetanes (II) in the presence of a Pd(0) catalyst results in cleavage of the cyclic ether and C‐C linkage to produce the homoallylic alcohols (III) or (V).
ChemInform Abstract: ipso Nitration in p‐Halophenyl Ethers.
Authors: CLEWLEY R. G. , FISCHER A. , HENDERSON G. N.
Published: May 2016

The extent of ipso substitution is investigated for a variety of nitrations in p‐halophenyl ethers such as (I) or (V).
ChemInform Abstract: Fluoride Ion‐Induced Allylation of Activated Alkenes.
Authors: PERNEZ S. , HAMELIN J.
Published: May 2016

The allylic silanes (Ia) and (Ib) are coupled with the aldehydes (II) or the activated olefins (IV) under desilylative conditions to produce the olefinic adducts (III) or (V).
ChemInform Abstract: Reactions of 4,4‐Bis(trifluoromethyl)‐Substituted Heterodienes with Alkynes. Part 1. Reactions of 4,4‐Bis(trifluoromethyl)‐1‐oxa‐3‐azabuta‐1,3‐dienes with Alkynes.
Authors: BURGER K. , SEWALD N. , HUBER E. , OTTLINGER R.
Published: May 2016

Heterodienes such as (I) react with alkynes such as (II), (VII) to give various types of products depending on the reaction conditions.
ChemInform Abstract: Oxidation of Dichlorocyclopropane Fused Cycloalkanes and Subsequent Photolysis of the Cycloalkanones.
Authors: HASHEM M. A.
Published: May 2016

Whereas the compound (I) under the oxidation conditions shown gives the esters (III) and (IV) instead of the expected monoketones, the analogue (V) affords the desired ketone (VI) together with the by‐products (VII) and (VIII) (yield not given).
ChemInform Abstract: Oxygenophilic Organoaluminum‐Mediated Conjugate Addition of Alkyllithium and Grignard Reagents to Quinone Monoacetals and Quinol Ethers. The Directing Effect of a Methoxy Group on the 1,4‐Addition Process.
Authors: STERN A. J. , ROHDE J. J. , SWENTON J. S.
Published: May 2016

Reaction of the quinone monoacetals (I) with a methylaluminum bisphenoxide and further treatment with the organometallic compounds (II) yields regioselectively the 1,4‐adducts (III).
ChemInform Abstract: Disproportionation of 4‐Nitroacetophenone to 4‐Aminoacetophenone and 4‐Nitrobenzoic Acid.
Authors: WAN P. , XU X.
Published: May 2016

4‐Nitroacetophenone (I) disproportionates in alkaline solutions, yielding the nitro acid (II) and the aminoacetophenone (III).
ChemInform Abstract: Reactions of Lithium Bicyclo(1.1.0)butan‐2‐olates Formed by Carbenoid Type Decomposition of Lithiothioacetal Enolates. A Novel Concept for One‐Pot Cyclopropanation of Enones.
Authors: RAMIG K. , BHUPATHY M. , COHEN T.
Published: May 2016

Addition of the anion of tris(phenylthio)methane (II) to the unsaturated ketones (I), (VII), and (X), accompanied by lithiation, and subsequent lithium transfer produce the cyclopropane derivatives (V), (VI), (VIII), and (XII).
ChemInform Abstract: Reaction of Some Cyclic Dienamines of Carbothioic Acid Anilides with Malononitrile.
Authors: BOGDANOWICZ‐SZWED K. , RYS B.
Published: May 2016

Direct treatment of the title compounds (III) with malononitrile (V) (EtOH, reflux) gives the products (VI) in poor to moderate yields (8‐40%).
ChemInform Abstract: Preparation and Synthetic Utilization of Diarylmethylenemalonaldehydes.
Authors: KRAL V. , JELINEK L. , SAMAN D.
Published: May 2016

The dialdehyde (IIIa) is prepared by reaction of the trimethinium salt (I) with the dichloride (II); the analogues (IIIb) are similarly obtained.
ChemInform Abstract: Novel Pathways for the Formation of Phenylpyrroles.
Authors: ELLAMES G. J. , HEWKIN C. T. , JACKSON R. F. W. , SMITH D. I. , STANDEN S. P.
Published: May 2016

3‐Chloropropyl phenyl ketone (I) is converted to the oxime (III) which undergoes base‐induced cyclization to give the dihydro‐1,2‐oxazine (IV) as the main product.
ChemInform Abstract: Synthesis and Reaction of 3‐Hydroxy Enamides.
Authors: OHTA S. , SUMINO M. , SASAKI T. , YAMAGAMI N.
Published: May 2016

The 1,3‐dicarbonyl compounds (I) are coupled with the carboxamides (II) to give the amides (III).
ChemInform Abstract: Synthesis of 1‐Substituted‐2‐oxo‐3‐chloro/3‐(2‐chlorophenoxy)‐4‐(2‐arylindol‐3‐yl)azetidines as CNS Active and Antiinflammatory Agents.
Authors: AGARWAL R. , AGARWAL C. , SINGH C. , MISRA V. S.
Published: May 2016

Eight compounds of type (IV) are prepared and transformed to the corresponding derivatives of type (VI).
ChemInform Abstract: Reactions of Diazo Compounds of Heterocyclic Aldehydes with Phenylacetylene: Formation of Pyrazoles Combined with Heterocycles.
Authors: SAITO K. , FUSHIHARA H. , SATO T. , ISHIHARA H. , TAKAHASHI K.
Published: May 2016

The sodium salts (I), prepared from the corresponding tosylhydrazones, react with phenylacetylene (II) to produce low yields of the pyrazoles (III), the ketazines (IV), or the acetylene (V).
ChemInform Abstract: Synthesis and Reactions of Imidazolinones and Triazolo(3,4‐f)(1,2,4)triazines.
Authors: BADR M. Z. A. , MAHGOUB S. A. E.
Published: May 2016

Oxazolinones of type (I) serve as starting material for the preparation of the imidazoline (III) and triazines of type (V).
ChemInform Abstract: Studies on Vilsmeier‐Haack Reaction: A Versatile New Synthesis of 4‐Chloro‐2‐phenylaminothiazole‐5‐carboxaldehyde and Related Fused Heterocyclic Compounds and Heterocyclic Schiff′s Bases.
Authors: PAWAR R. A. , RAJPUT A. P.
Published: May 2016

The title aldehyde (III) is a versatile intermediate which reacts with a series of amino compounds to give fused heterocycles or Schiff bases.
ChemInform Abstract: Interannular Contraction Upon Oxidation of a Mesoionic Bicyclic Imine.
Authors: DUNN P. J. , REES C. W. , SLAWIN A. M. Z. , WILLIAMS D. J.
Published: May 2016

Oxidation of the thiadiazole moiety of the imine (I) with dinitrogen tetroxide yields the monoxide (II) or a mixture of the dioxide (III) and the dibenzoylthiadiazole (IV).
ChemInform Abstract: Synthesis and Spectral Analysis of 6,10‐Dimethyl‐3‐methylene‐7,9‐diphenyl‐1,8‐dioxaspiro(4.5)decan‐2‐one.
Authors: VENKATAPATHY S. V. , IKRAMUDDEEN T. M. , CHANDRASEKARA N. , RAMARAJAN K. , NANJAPPAN P.
Published: May 2016

The title compound (III) is prepared since compounds bearing an α‐methylene‐γ‐butyrolactone moiety possess biological activities including antitumor activity.
ChemInform Abstract: Phase‐Transfer‐Catalyzed Alkylation of 3‐Hydroxycoumarin.
Authors: MAJUMDAR K. C. , KHAN A. T. , CHATTOPADHYAY S. K.
Published: May 2016

Alkylation of 3‐hydroxycoumarin (I) with the bromides (II) gives the O‐(III) and C‐alkylation products (IV).
ChemInform Abstract: Studies on the Synthesis of 1‐Azaspiro(5.5)undecanes Related to Histrionicotoxin.
Authors: VENIT J. J. , DIPIERRO M. , MAGNUS P.
Published: May 2016

Birch reduction and subsequent acid‐catalyzed rearrangement of the aminobutylanisole (I) yields the spiro fused piperidine (III).
ChemInform Abstract: Synthesis and Cardiotonic Activity of 5‐(2‐Substituted‐Thiazol‐4‐yl)‐2‐pyridones and Thiazolo(4,5‐f)quinolinones.
Authors: FUKATSU H. , KATO Y. , MURASE S. , NAKAGAWA S.
Published: May 2016

Condensation reaction of acetylacetone (I) with dimethylformamide dimethyl acetal (II) gives the enamine (III) which undergoes ring closure with cyanoacetamide (IV) to produce the pyridone (V).
ChemInform Abstract: Synthesis with Aliphatic Dialdehydes. Part 43. Synthesis and Structure of Novel Alkylidenemalonaldehydes: 2‐(Diformylmethylene)‐1,3‐dithiane and ‐1,3‐dithiolane as well as (2,3‐Diphenylcyclopropan‐1‐ylidene)malonaldehyde.
Authors: REICHARDT C. , HERGET B.‐V. , SCHULZ M. , MASSA W. , PESCHEL S.
Published: May 2016

The trimethinium salt (I) and diphenylcyclopropenone (II) form the cyclopropenylidenemalonaldehyde (III).
ChemInform Abstract: Pyrimidine Antagonists. Part 3. Synthesis of Some 2,4‐Diamino‐5‐Substituted‐phenylazo‐6‐Substituted‐aminopyrimidines and Evaluation of Their Anticancer Property Against Leukemia P388.
Authors: DEBI M.
Published: May 2016

The triaminopyrimidines (I) are coupled with the aryldiazonium salts (II) to form the 5‐arylazopyrimidines (III).
ChemInform Abstract: Synthesis of Macrocyclic Imides by One‐Step Ring Enlargement.
Authors: OGNYANOV V. I. , HESSE M.
Published: May 2016

The 2‐cyano‐ or 2‐(ethoxycarbonyl)‐substituted cycloalkanones (I) or (VIII), on reaction with the isocyanates (II), (IV), (IX) or with phenyl isothiocyanate (VI) undergo ring enlargement to afford the macrocyclic imides (III), (V), (VII) or (X) in one step.
ChemInform Abstract: Generation of β‐Carboline Azomethine Ylides Via Trimethylsilylmethyl Trifluoromethanesulfonate Quaternizations: Entry into the New Class of 11H‐Indolizino(8,7‐b)indole Heterocycles.
Authors: POISSONNET G. , POTIER P. , DODD R. H.
Published: May 2016

The fused N‐(silylmethyl)pyridinium salts (III) or (VII), prepared from the β‐carbolines (I) or (VI) and trimethylsilylmethyl triflate (II), react with the activated olefins (IV) or diethyl acetylenedicarboxylate (VIII) to form the cycloadducts (Va) ‐ (Vc) or (IX) ‐ (XI).
ChemInform Abstract: Syntheses of Functionalized Derivatives of Quinazolines and 1,4‐Benzodiazepines.
Authors: ANZINI M. , GAROFALO A. , VOMERO S.
Published: May 2016

Whereas the syn‐oximes (I) react with the chloroacetoacetate (II) to produce the hydroxydihydrobenzodiazepinium chlorides (III), the anti‐oximes (VI) and the ester (II) form the dihydroquinazoline oxides (VII).
ChemInform Abstract: The Acetonitrile(pentafluorophenyl)xenon(II) Cation. (MeCN‐Xe‐C6F5)+; The First Structural Characterization of a Xenon‐Carbon Bond.
Authors: FROHN H. J. , JAKOBS S. , HENKEL G.
Published: May 2016

The title compound is characterized by 129Xe, 19F, 13C and 11B NMR spectra.
ChemInform Abstract: On the Generation of Stabilized Low‐Valent Metallocene Derivatives. The Direct Synthesis and Reductive Coupling Reactions of 1‐Methylthioalkynezirconocene Complexes.
Authors: VANWAGENEN B. C. , LIVINGHOUSE T.
Published: May 2016

The zirconocene complexes (III) are employed as mediators in the C‐C coupling reaction of the acetylenes (V), (IX), or (XII) with 3‐hexyne (VI), yielding symmetrical (VII), (VIII), (XI), and unsymmetrical 1,3‐dienes (X) or (XIV).
ChemInform Abstract: (P4Aryl6)(Me3SnF2)2 (Aryl: 2,6‐(MeO)2C6H3): An Unusual Ion Pair Consisting of a Planar 2,4‐Diphospha‐1,3‐diphosphoniacyclobutane Dication and the Difluorotrimethylstannate Anion.
Authors: HEUER L. , ERNST L. , SCHMUTZLER R. , SCHOMBURG D.
Published: May 2016

The title cation is to be regarded formally as one of the degradation products of white phosphorus P4, generated by successive addition of nucleophiles and electrophiles to the P‐P bonds, but it has not yet been isolated.
ChemInform Abstract: Binaphthylcyclopentadiene: a C 2‐Symmetric Annulated Cyclopentadienyl Ligand with Axial Chirality.
Authors: COLLETTI S. L. , HALTERMAN R. L.
Published: May 2016

The chiral cyclopentadiene derivative (S)‐(‐)‐(VII) mentioned in the title is prepared as shown in the reaction scheme.
ChemInform Abstract: Chemistry of the Heavy Carben Analogues R2M, M = Si, Ge, Sn. Part 13. Reactions of Thermally and Photolytically Generated Dimethylgermylene with Alkynyl, Propargyl, and Allenyl Halides, Activation Parameters of the Germylene Formation.
Authors: BILLEB G. , BRAUER H. , MASLOV S. , NEUMANN W. P.
Published: May 2016

Free singlet dimethylgermylene (III), generated in situ by thermolysis or photolysis of the 9,9‐dimethyl‐1,4‐germanonaphthalene (I), reacts with the phenylethynyl halides (IV) to form the insertion products (V).
ChemInform Abstract: Synthesis and Characterization of New Binuclear Electron‐Transfer Models Containing Rigid Aromatic Spacers.
Authors: KIM Y. , LIEBER C. M.
Published: May 2016

Visible spectra for the series of title complexes (I) and (II) show a blue‐shift in the MLCT transition with increasing metal‐metal distance.
ChemInform Abstract: Novel Porphyrinoids. Part 8. Water‐Soluble Porphyrin Diglycosides with Photosensitizing Properties.
Authors: FUELLING G. + , SCHROEDER D. + , FRANCK B.
Published: May 2016

In the presence of oxygen, tumors and viruses can be destroyed by photosensitizing porphyrins.