bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Ammine Ligand Exchange in Tetraamminegold(III) in Aqueous Solution. Composition of Transition States and Relative Reactivity of Tetraamminegold(III) and Its Conjugated Base, Amidotriamminegold(III).
Authors: BROENNUM B. , JOHANSEN H. S. , SKIBSTED L. H. 
Published: May 2016

AbstractThe temp. dependence of the rate of exchange of NH3 between (Au(NH3)4)3+ (I) and ammonia in an aqueous 1 M NH4ClO4 solution is studied by 15N‐labeling in the pH range 5‐10. At constant pH, the exchange follows second‐order kinetics.
ChemInform Abstract: Pillaring of Layered Double Hydroxides (LDH′s) by Polyoxometalate Anions.
Authors: KWON T. , TSIGDINOS G. A. , PINNAVAIA T. J. 
Published: May 2016

AbstractPillaring of the LDH's with idealized formulas of (Zn2Al(OH)6)Cl·2 H2O, (Zn2Cr(OH)6)Cl·2 H2O, and (Ni3Al(OH)8)Cl·2.3 H2O is achieved by ion exchange with (NH4)6(V10O28)·6 H2O at pH 4.5.
ChemInform Abstract: Double Molybdates of Copper or Zinc and Thallium(I).
Authors: ARKHINCHEEVA S. I. , BAZAROVA ZH. G. , MOKHOSOEV M. V. , KHAZHEEVA Z. I. , FEDOROV K. N. , SURANOVA N. A. 
Published: May 2016

AbstractThe solid phase reaction between the molybdates (I) and (II) yields the novel title compounds (III) and (IV).
ChemInform Abstract: Some Reactions of α,β‐Unsaturated Acyl Isothiocyanates.
Authors: ABED N. M. , ELAGAMEY A. G. A. , SOWELLIM S. Z. , HARB A.‐F. A. 
Published: May 2016

AbstractThe α,β‐unsaturated acyl isothiocyanates (I) react with the heterocyclic amines (II) to yield the thiourea derivatives (III).
ChemInform Abstract: Chiral Bicyclic O,N‐Bis(diphenylphosphino)aminoalkanols as Ligands for Enantioselective Metal Complex Hydrogenation Catalysts.
Authors: DOEBLER C. + , KREUZFELD H.‐J. , PRACEJUS H. 
Published: May 2016

AbstractStarting with the epoxide (I), the chiral diphenylphosphino ligands (V) are prepared as shown in the reaction scheme.
ChemInform Abstract: Competition between Allylic Substitution and Michael Addition with Carbanions α to Nitriles.
Authors: CHARDON C. , PETIT A. , ROUX‐SCHMITT M.‐C. , SEYDEN‐PENNE J. 
Published: May 2016

AbstractMethyl 4‐bromo‐4‐methylcrotonate (I) reacts with the arylacetonitriles (II) in the presence of n‐butyllithium or other bases to yield the allylic substitution products (III), together with minor amounts of the compounds (IV).
ChemInform Abstract: Thioketene Syntheses. Part 8. Thioketenes by (3 + 2) Cycloreversion of 1,3‐Dithiolane Derivatives.
Authors: SCHAUMANN E. , SCHEIBLICH S. , WRIEDE U. , ADIWIDJAJA G. 
Published: May 2016

AbstractSulfones such as (I) are deprotonated at C‐5 by KO‐tBu or BuLi at ‐78 °C and subsequently undergo ring‐opening upon slow warming.
ChemInform Abstract: Ruthenium Catalyzed N‐Methylation of Aminoarenes Using Methanol.
Authors: HUH K.‐T. , TSUJI Y. , KOBAYASHI M. , OKUDA F. , WATANABE Y. 
Published: May 2016

AbstractThe aniline derivatives (I) and (IV) are methylated with methanol (II) in the presence of catalytic amounts of ruthenium trichloride hydrate/ tributyl phosphite or dichlororuthenium tristriphenylphosphine complex to yield the corresponding N‐methylation products (III) and (V).
ChemInform Abstract: Aliphatic Liquid Crystals. Part 9. Stereospecific Reduction of 1‐Acyl‐ to 1‐Alkyl‐4‐phenylcyclohexanes.
Authors: SUCROW W. , HEIDER R. , JORASCHEK N. 
Published: May 2016

AbstractThe trans‐ and cis‐acylcyclohexanes (IV) and (V) are prepared from the ketone (I).
ChemInform Abstract: (4 + 2) Cycloadditions of Substituted Homobenzoquinones with Cyclopentadiene.
Authors: ADAM W. , KLIEM U. , LUCCHINI V. , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G. 
Published: May 2016

AbstractThe Diels‐Alder reaction of the homobenzoquinones (I) having cyano‐substituted cyclopropane rings with cyclopentadiene (II) affords the endo/anti (III) and exo/syn (IV) cycloadducts, the former preferred by four‐ to five‐fold.
ChemInform Abstract: Potential ZNS‐Effective, Tricyclic Compounds with a Bridged Middle Ring. Part 1. Reaction of Benzo(c)furans with Benzyne.
Authors: LINDE H. , CRAMER G. 
Published: May 2016

AbstractDiels‐Alder reaction of dehydrobenzene (II), in situ prepared from anthranilic acid (I) by treatment with pentyl nitrite, with the furans (III) gives the epoxynaphthalenes (IV) which are hydrogenated to yield the epoxytetralins (V).
ChemInform Abstract: Action of New Iminium Compounds on Selected Strains of Bacteria and Fungi. Part 20. Synthesis of 1‐Methyl‐2‐alkyl‐3‐(n‐alkoxymethyl)‐ and 1‐Methyl‐3‐(n‐alkoxymethyl)‐5‐chloroimidazolium Chlorides.
Authors: PERNAK J. , KRYSINSKI J. , SKRZYPCZAK A. , MICHALAK L. 
Published: May 2016

AbstractThe imidazoles (I) are alkylated with the chloromethyl ethers (II) to give the N‐(alkoxymethyl)imidazolium chlorides (III).
ChemInform Abstract: Synthesis of 2,2′‐Dithiobis‐ and 2,2′‐Trithiobis‐3‐pyridinecarboxylic Acid Derivatives as New Potential Radiosensitizers/Radioprotectors.
Authors: MONGE A. , MARTINEZ‐MERINO V. , FERNANDEZ‐ALVAREZ E. 
Published: May 2016

AbstractThe thioxopyridinecarboxylic acid (I), prepared from 2‐chloronicotinic acid, is converted to the bischlorocarbonyl substituted di‐ (II) or trisulfides (VII).
ChemInform Abstract: Synthesis and Antibacterial Effect of Derivatives of 5‐(3,4,5‐Trimethoxybenzyl)‐pyrimidine, ‐tetrahydropyrimidine, ‐hexahydropyrimidine and ‐hydantoin.
Authors: KUJUNDZIC N. , KOVACEVIC K. , JAKOVINA M. , GLUNCIC B. 
Published: May 2016

AbstractPyrimidine derivatives (I)‐(III) and hydantoins (IV) are prepared by conventional routes.
ChemInform Abstract: Studies on 1,3‐Thiazines. Part 38. Salts of Iminium Carbonic Acid Derivatives. Part 2. Synthesis of N‐Substituted 2‐Chloro‐5,6‐dihydro‐4H‐1,3‐thiazinium Salts and Their Reactions with Primary Amino Compounds.
Authors: HANEFELD W. , BORHO B. 
Published: May 2016

AbstractThe tetrahydrothiazinethiones (I) are converted into the chlorodihydrothiazinium chlorides (II) upon treatment with SOCl2 or COCl2.
ChemInform Abstract: Structural Studies of Organoboron Compounds. Part 28. 5,5‐Trimethylene‐2,2‐diphenyl‐1,3‐dioxa‐5‐azonia‐2‐boratacyclohexane and 5,5‐Dimethyl‐2,2‐diphenyl‐1,3‐dioxa‐5‐azonia‐2‐boratacyclohexane Monohydrate.
Authors: KLIEGEL W. , RETTIG S. J. , TROTTER J. 
Published: May 2016

AbstractThe title compounds (IV) are prepared by N‐alkylation of the sec. amines (I) by formaldehyde (II) and capture of the intermediary, labile ammonium inner salts as diphenylboron chelates using (Ph2B)2O (III) or Ph2BO(CH2)2NMe2 or BPh3.
ChemInform Abstract: Sulfur Halides. Part 21. Trifluoromethyl‐difluoro and ‐dibromosulfonium(IV)‐metallates(V).
Authors: MINKWITZ R. , LEKIES R. , WERNER A. 
Published: May 2016

AbstractThe intermediate BrF, formed from Br2 and MF5, reacts with (I) to give the title compounds (IV) via the sulfuranes (II).
ChemInform Abstract: The Reaction of Cyclic Bis(η5‐cyclopentadienyl)(1,2,3‐triphenyltriphosphane‐1,3‐diyl)zirconium(IV)# , (Cp2Zr(PPh‐PPh‐PPh)), with Ethyl Diazoacetate (Cp = η5‐C5H5).
Authors: HEY E. , WELLER F. 
Published: May 2016

AbstractThe title reaction leads via insertion of the diazo group into both the Zr‐P bonds to the formation of (III), which contains a novel triphosphine‐1,3‐bis(hydrazenido) ligand.
ChemInform Abstract: Synthesis and Characterization of Copper(I) Complexes of 4‐Methylquinoline, and X‐Ray Crystal Structure of a Discrete, Centrosymmetric (Cu2Cl2(4‐methylquinoline)3)2 Complex with a Cu4Cl4 Core of “Step” Geometry.
Authors: MAK T. C. W. , GOHER M. A. S. , HAFEZ A. K. 
Published: May 2016

AbstractThe 1:1, 1:2, and 2:3 Cu(I) complexes (I), (II), and (III) of the title ligand are synthesized by stoichiometric reaction of Cu(II) nitrate or chloride with the ligand in the presence of L‐ascorbic acid in refluxing ethanol or acetone, mostly followed by anion exchange.
ChemInform Abstract: Metal Complexes with Biologically Important Ligands. Part 45. Palladium(II) Complexes of Dehydro‐α‐amino and 2‐Imino Acid Esters as Ligands.
Authors: WANJEK H. , NAGEL U. , BECK W. 
Published: May 2016

AbstractThe preparation of the title complexes (III), (V), (VII) and (X) is shown in the scheme.
ChemInform Abstract: Metal Pseudohalides. Part 45. Nitrosodicyanomethanide Complexes of Palladium(II) and Platinum(II).
Authors: KOEHLER H. + , JESCHKE M. , KOLBE A. 
Published: May 2016

AbstractThe anionic and neutral nitrosodicyanmethanide complexes (III) and (V) are prepared according to the scheme shown.
ChemInform Abstract: Lignan Lactone Antitumor Agents. Part 4. Synthesis of Glycosidic Lignan Variants Related to α‐Peltatin.
Authors: SAITO H. , NISHIMURA Y. , KONDO S. , TAKEUCHI T. , UMEZAWA H. 
Published: May 2016

AbstractThe compound (VIa), synthesized starting from α‐peltatin (I), shows an antitumor activity which is superior to that of VP‐16‐213 (VIb) (= etoposide) used for cancer chemotherapy.
ChemInform Abstract: A Two‐Dimensional 29Si NMR Spectroscopic Study of the Structure of the Silicate Anions Present in an Aqueous Potassium Silicate Solution.
Authors: KNIGHT C. T. G. 
Published: May 2016

AbstractThe results of 29Si NMR homonuclear correlation spectroscopy (COSY) obtained for a 1.5 M (1:1) potassium silicate solution (95.3% 29Si, D2O) show the simultaneous presence of 22 different silicate anions in solution.
ChemInform Abstract: Anion Coordination Chemistry. Part 3. Second‐Sphere Interaction Between the Complex Anions Hexacyanoferrate(II) and Hexacyanocobaltate(III), with Polycharged Tetraazamacrocycles. Thermodynamic and Single Crystal X‐Ray Studies.
Authors: BIANCHI A. , MICHELONI M. , ORIOLI P. , PAOLETTI P. , MANGANI S. 
Published: May 2016

AbstractThermodynamic parameters for the formation of 1:1 complexes of the tetraprotonated form of the macrocycle (I) and the anions (Fe(CN)6)4‐ and (Co(CN)6)3‐ are determined at 25 °C by potentiometric techniques and by direct microcalorimetry.
ChemInform Abstract: Experimental Tests of Models to Predict Nucleophilic Addition Stereochemistries.
Authors: MUKHERJEE D. , WU Y.‐D. , FRONCZEK F. R. , HOUK K. N. 
Published: May 2016

AbstractA comparison of the stereoselectivities for (III) obtained experimentally or by predictions based on the modified MM2 model indicates that only the latter model or Felkin's torsional strain model can be used for correct predictions.
ChemInform Abstract: Evaluation of Some Cyclic Dipeptides as Catalysts for the Asymmetric Hydrocyanation of Aldehydes.
Authors: JACKSON W. R. , JAYATILAKE G. S. , MATTHEWS B. R. , WILSHIRE C. 
Published: May 2016

AbstractA series of cyclic peptides (I) is prepared by conventional methods and evaluated as catalysts for the asym.
ChemInform Abstract: Synthesis of Bicyclic Keto Silanes by Tandem Rearrangement of Silylacetylenic Ketones.
Authors: KENDE A. S. , HEBEISEN P. , NEWBOLD R. C. 
Published: May 2016

AbstractHeating of the ketone (I) leads to the final product (II) which arises in a multiple rearrangement sequence.
ChemInform Abstract: Dimers Derived from 10‐Trispiro(2.0.2.0.2.1)decyclidene: New Hydrocarbons with Interesting Structural Features.
Authors: DE MEIJERE A. , WENCK H. , KOPF J. 
Published: May 2016

AbstractThe relatively easily accessible spiroketone (I) is converted to its tosyl hydrazone which, in turn, is converted to its sodium salt.
ChemInform Abstract: Palladium‐Catalyzed Arylation of Siloxycyclopropanes with Aryl Triflates. Carbon Chain Elongation via Catalytic Carbon‐Carbon Bond Cleavage.
Authors: AOKI S. , FUJIMURA T. , NAKAMURA E. , KUWAJIMA I. 
Published: May 2016

AbstractThe title reaction allows the functionalization of various aromatic nuclei including heteroaromatic systems to give aromatic keto compounds such as (III).
ChemInform Abstract: The Dealkylation of ortho‐Alkoxy Aromatic Ketones and Aldehydes.
Authors: GILLIES I. , LOFT M. S. 
Published: May 2016

AbstractThe o‐formyl‐ or o‐acetylphenol ethers (I) are selectively cleaved upon treatment with lithium N‐methylpiperidide and butyllithium, producing the corresponding phenols (II).
ChemInform Abstract: Synthesis and Chiroptical Properties of C3‐Perhydrotriquinacene Derivatives.
Authors: ALMANSA C. , MOYANO A. , SERRATOSA F. 
Published: May 2016

AbstractThe dextrorotatory title compound (IX) is prepared in 17% overall yield starting from the optically pure dextrorotatory lactam (I), which is known to possess (1R,5S)‐configuration.
ChemInform Abstract: Synthesis and Antiulcer Activities of Sodium Alkylazulenesulfonates.
Authors: YANAGISAWA T. , WAKABAYASHI S. , TOMIYAMA T. , YASUNAMI M. , TAKASE K. 
Published: May 2016

AbstractThe alkylazulenesulfonates (VII) are prepared from the cycloheptafuranone (III) by reaction with the aldehydes (IV), followed by acid‐induced decarboxylation and sulfonation with sulfur trioxide ‐ pyridine complex (VI).
ChemInform Abstract: Several Polycyclic Valence Isomers of Dimethyl(14)annulene‐1,8‐dicarboxylate. Reactivity of a “Nonconjugated” Bis(bicyclo(1.1.0)butane).
Authors: CHRISTL M. , FREUND S. , HENNEBERGER H. , KRAFT A. , HAUCK J. , IRNGARTINGER H. 
Published: May 2016

AbstractPhotolysis of the known azo compound (I) leads to the diolefinic bis(bicyclobutane) (III), whereas sensitized photolysis of (I) as well as that of (III) yields the saturated isomer (IV).
ChemInform Abstract: Synthesis of 2,3‐Dihydro‐1H‐phenalene Derivative by the Intramolecular Diels‐Alder Reaction of Benzyne with Furan.
Authors: DARLINGTON W. H. , SZMUSZKOVICZ J. 
Published: May 2016

AbstractThe phenalene derivative (XIII) mentioned in the title is synthesized as shown in the reaction scheme.
ChemInform Abstract: New Methods for β‐Lactam Formation from β‐Amino Acids Using (C6H5)3P/ CCl4 and (C6H5)3P/NBS.
Authors: KIM S. , LEE P. H. , LEE T. A. 
Published: May 2016

AbstractThe β‐amino acids (I) and (III) undergo dehydrative ring closure in the presence of Ph3P and CCl4 or NBS, forming the β‐lactams (II) or (IV).
ChemInform Abstract: Synthesis from D‐Mannose of 1,4‐Dideoxy‐1,4‐imino‐L‐ribitol and of the α‐Mannosidase Inhibitor 1,4‐Dideoxy‐1,4‐imino‐D‐talitol.
Authors: FLEET G. W. J. , SON J. C. , GREEN D. ST. C. , CENCI DI BELLO I. , WINCHESTER B. 
Published: May 2016

AbstractThe synthesis of the title compounds (V) and (VII) is accomplished starting from the mannose derivative (I) which is transformed to the key precursor (II) by a known procedure and subsequent dimesylation.
ChemInform Abstract: Phosphorus Pentoxide in Organic Synthesis. Part 34. Synthesis of 3‐Arylthieno(2,3‐d)pyrimidin‐4(3H)‐imines and Their Rearrangement to N‐Arylthieno(2,3‐d)pyrimidin‐4‐amines.
Authors: MOGENSEN J. , JOERGENSEN A. , PEDERSEN E. B. 
Published: May 2016

AbstractUnder the optimized conditions shown in the scheme, the title compounds (III) can be obtained in good yields.
ChemInform Abstract: Reaction of Salts of Hypophosphorous Acid with Alkyl Halides.
Authors: DEVEDJIEV I. , GANEV V. , STEFANOVA R. , BORISSOV G. 
Published: May 2016

AbstractThe potassium salt (I) of hypophosphorous acid reacts with the alkyl halides (II) to give the phosphonous acid esters (III), whereas the sodium salt (V) yields hypophosphorous acid (VI) and the alcohols (VII) under similar conditions.
ChemInform Abstract: Synthesis and Reactivity of an Unusual Oxidation Product of (C5H5Mo(μ‐S)(μ‐SH))2.
Authors: TANNER L. D. , HALTIWANGER R. C. , NOORDIK J. , DUBOIS M. R. 
Published: May 2016

AbstractThe reaction of the title compound with 1 equiv. phenylacetylene (II) in air leads to a mixture of products from which two major compounds, a new complex (III) and the known (IV), are isolated by chromatography.
ChemInform Abstract: Structures and Reactivities of Cyclopentadienylmolybdenum Complexes with Oxo and Sulfido Ligands.
Authors: TANNER L. D. , HALTIWANGER R. C. , DUBOIS M. R. 
Published: May 2016

AbstractSolutions of (I) in CH2Cl2 react in air to produce the oxo‐containing products syn‐(IIa) and anti‐(IIIa).
ChemInform Abstract: Synthesis of Bis(bis(trimethylsilyl)amido)iron(II). Structure and Bonding in M(N(SiMe3)2)2 (M: Mn, Fe, Co): Two‐Coordinate Transition‐Metal Amides.
Authors: ANDERSEN R. A. , FAEGRI K. JUN. , GREEN J. C. , HAALAND A. , LAPPERT M. F. , LEUNG W.‐P. , RYPDAL K. 
Published: May 2016

AbstractThe Fe title complex (III) is prepared as shown.
ChemInform Abstract: Synthesis and Structural Characterization of Copper(I) Cupracarboranes. A Novel “Pinwheel” Cluster.
Authors: KANG H. C. , DO Y. , KNOBLER C. B. , HAWTHORNE M. F. 
Published: May 2016

AbstractDepending on the molar ratio of the reactants and the presence or absence of the source of countercation or triphenylphosphine the four novel cupracarboranes (IV)‐(VII) are synthesized as shown in the scheme.
ChemInform Abstract: Complexes of Platinum(II) Containing 2,2′‐Bithiazoline and 2,2′‐Bipyrimidine as Binucleating Ligands.
Authors: LANZA S. , ROTONDO E. 
Published: May 2016

AbstractThe mononuclear 2,2'‐bithiazoline‐Pt(II) complexes (III) and their binuclear HgCl2 derivatives (V) are prepared according to the scheme.
ChemInform Abstract: Synthesis of N‐Benzyloxycarbonyl‐L‐α‐aminoadipic Acid, α‐Benzyl Ester.
Authors: BALDWIN J. E. , KILLIN S. J. , ADLINGTON R. M. , SPIEGEL U. 
Published: May 2016

AbstractA novel, facile, and economical route leading to the title compound (IX) is described.
ChemInform Abstract: Aldol Reaction of Iododifluoroacetate‐Zn and 2,2‐Difluoroketene Silyl Acetal.
Authors: KITAGAWA O. , TAGUCHI T. , KOBAYASHI Y. 
Published: May 2016

AbstractThe iodoacetate (I) reacts with zinc powder to form an unstable Reformatsky intermediate which is directly trapped with the silyl chlorides (II) or the aldehydes (IV), producing the ketene acetals (III) or the aldol adducts (V).
ChemInform Abstract: Effect of ZrO2 Inclusions on the Sinterability of Al2O3.
Authors: LANGE F. F. , YAMAGUCHI T. , DAVIS B. I. , MORGAN P. E. D. 
Published: May 2016

AbstractIt is demonstrated that the two‐phase Al2O3/ZrO2 powder compacts (2 and 10 vol.% ZrO2) require a higher sintering temp. to achieve a comparable density relative to their constituents.
ChemInform Abstract: Structures of the Copper Weberites Na2CuCrF7 (I) and Na2CuFeF7 (II).
Authors: KUMMER S. , MASSA W. , BABEL D. 
Published: May 2016

AbstractThe title compounds are prepared by solid state reaction of NaF, CuF2, and CrF3 and FeF3, resp. (closed Au‐crucible, 750‐800 °C, 12 h).
ChemInform Abstract: Measurement of the Galvanic Corrosion of Soldered Copper Using the Scanning Vibrating Electrode Technique (SVET).
Authors: ISAACS H. S. 
Published: May 2016

AbstractThe corrosion behavior of soldered Cu (5 wt.% Sb/95% Sn and 40% Pb/60% Sn solders) is studied in dilute chloride and sulfate solutions at room temperature.
ChemInform Abstract: The Dimer State of NO in Micropores of Cu(OH)2‐Dispersed Activated Carbon Fibers.
Authors: KANEKO K. , KOBAYASHI A. , SUZUKI T. , OZEKI S. , KAKEI K. , KOSUGI N. , KURODA H. 
Published: May 2016

AbstractMagnetic susceptibilities of Cu(OH)2‐dispersed activated carbon fibers (Cu‐ACF) with and without adsorbed NO are measured in the range 298‐423 K in order to clarify micropore filling of supercritical gaseous NO.
ChemInform Abstract: Reactions of Dioxygen Complexes. Oxidative Dehydrogenation of 1,6‐Bis(2‐pyridyl)‐2,5‐diazahexane Through Cobalt Dioxygen Complex Formation.
Authors: BASAK A. K. , MARTELL A. E. 
Published: May 2016

AbstractThe formation constants and oxygenation constants of the Co(II) complexes of the title ligand are determined by potentiometric equilibrium measurements under N2 and O2.
ChemInform Abstract: Electrosynthesis in Organosilicon Chemistry: Preparation of Phenyl‐ and Benzyltrimethylsilanes.
Authors: PONS P. , BIRAN C. , BORDEAU M. , DUNOGUES J. , SIBILLE S. , PERICHON J. 
Published: May 2016

AbstractElectrochemical reduction of the halides (I) in the presence of trimethylchlorosilane (II) in an undivided cell with a Mg anode yields the silanes (III) mentioned in the title.
ChemInform Abstract: Electrophilic Substitution with Allylic Rearrangement (SE′). Stereochemistry of Trifluoroacetolysis of Some Cyclohex‐2‐enylmetal Compounds.
Authors: WICKHAM G. , YOUNG D. , KITCHING W. 
Published: May 2016

AbstractA variety of alkylcyclohexenylsilanes, germanes and stannanes such as (I), (II), (VI) or (VII) undergo cleavage with trifluoroacetic acid‐d (III).
ChemInform Abstract: Addition Reaction of Acetone to 2,5‐Bis(methoxycarbonyl)‐3,4‐diphenylcyclopentadienone.
Authors: GALYAUTDINOV N. I. , FUZHENKOVA A. V. 
Published: May 2016

AbstractAddition reaction of acetone (II) to the cyclopentadienone (I) in the presence of sodium hydride takes place at C‐2 of (I), leading to the formation of the enolate (III) which is hydrolyzed to yield a mixture of the ketones (IV) ‐ (VI).
ChemInform Abstract: Type I Intramolecular Cycloadditions of Vinylketenes.
Authors: LEE S. Y. , KULKARNI Y. S. , BURBAUM B. W. , JOHNSTON M. I. , SNIDER B. B. 
Published: May 2016

AbstractThe α‐alkylidene‐7‐heptenoic acid chlorides (I) are converted to the ketenes (II) which undergo intramolecular (2 + 2)cycloaddition reaction, forming the bicycloheptanones (III).
ChemInform Abstract: Intra‐ and Intermolecular Diels‐Alder Reactions of Glutaconaldehyde Derivatives.
Authors: BECHER J. , NIELSEN H. C. , JACOBSEN J. P. , SIMONSEN O. , CLAUSEN H. 
Published: May 2016

AbstractHeating of the hydroxypentadienyl benzoate (I) with maleic anhydride (II) leads to the formation of the cis‐fused γ‐lactone (III) via intramolecular Diels‐Alder reaction of the intermediate maleic monoester.
ChemInform Abstract: Synthesis and Analgesic Activity of Some New Ureins Derived from Ethyl 2‐Pyrrolidinylidene Acetate.
Authors: BAHAJI E. H. , BASTIDE P. , BASTIDE J. , RUBAT C. , TRONCHE P. 
Published: May 2016

AbstractNine E‐configurated ureins such as (VI) are prepared starting from (I).
ChemInform Abstract: 2‐tert‐Butyl‐5‐chloro‐6‐nitrobenzoxazole: A Practical Synthetic Intermediate for 4‐Aryloxy‐5‐nitro‐2‐aminophenols.
Authors: ONO M. , YAMAKAWA K. , KOBAYASHI H. , ITOH I. 
Published: May 2016

AbstractWhereas treatment of the benzoxazole (I) with a sodium phenoxide yields only the dimer (II), reaction of the tert‐butyl derivative (III) with the nucleophiles (IV) results in substitution, forming the benzoxazoles (V).
ChemInform Abstract: Efficient and Highly Regioselective Iodine‐Promoted Cyclization of 3‐Alkenyl‐Substituted 4‐Hydroxypyrones, ‐coumarins and ‐quinolones.
Authors: BRAVO P. , ARNONE A. , TICOZZI C. , CAVICCHIO G. , MARCHETTI V. 
Published: May 2016

AbstractIodocyclization of the title compounds (II) or (V) leads to the (2,3‐b)‐anellated products (I) or (IV) of a kinetically controlled reaction.
ChemInform Abstract: Synthesis and Antiallergic Activity of Some Benzopyronic and Structurally Related Alcohols.
Authors: MOUYSSET G. , PAYARD M. , TRONCHE P. , BASTIDE J. , BASTIDE P. , PRIVAT A.‐M. 
Published: May 2016

AbstractThe title compounds (I)‐(III) are prepared by known methods.
ChemInform Abstract: Synthesis and Anthelmintic Activity of Some New 6‐(Arylthio‐/arylsulfonyl/substituted amino)‐7‐isothiocyanato‐2H‐1,4‐benzoxazin‐3(4H)‐ones.
Authors: SASTRY C. V. R. , RAO K. S. , RASTOGI K. , JAIN M. L. 
Published: May 2016

AbstractA series of compounds of type (V), (VI) and (IX) is prepared starting from the benzoxazinone (I).
ChemInform Abstract: Mixed Esters of Boric Acid with Amino Alcohols and Diols.
Authors: HELLER G. , SEEGER K. 
Published: May 2016

AbstractDiols such as (I) react with B(O‐Et)3 (II) to give the dioxaboracyclopentane (III), which on azeotropic distillation in toluene with amino alcohols such as (IV) is converted to the mixed boric acid esters (V).
ChemInform Abstract: An Investigation of the Di‐Grignard Approach to Metallabenzocyclobutenes of Group 14.
Authors: DE BOER H. J. R. , AKKERMAN O. S. , BICKELHAUPT F. 
Published: May 2016

AbstractA solution of the magnesiabenzocyclobutene (VI) is prepared from 2‐(chloromethyl)bromobenzene (I) and excess magnesium (II).
ChemInform Abstract: Metal Basicity. Part 63. Novel Ylide‐Type Rhodium Complexes Containing a Six‐Membered Cyclic RhCH2PR2CH2CH2PR2 Ring.
Authors: WERNER H. , HOFMANN L. , PAUL W. , SCHUBERT U. 
Published: May 2016

AbstractThe diphosphine‐Rh(I) complex (IV) reacts with CH2I2 (V) by oxidative addition to give the cationic iodomethyl‐Rh(III) complex (VI), isolated as its hexafluorophosphate.