bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: One‐ and Two‐Armed Lariat Ether Peptide Derivatives: Syntheses and Cation Binding Properties.
Authors: WHITE B. D. , ARNOLD K. A. , GOKEL G. W.
Published: May 2016

The hydrochlorides (II) of amino acid esters react with chloroacetyl chloride (I), producing the chloroacetamides (III).
ChemInform Abstract: Oxidation of Amino Acid. Part 5. A Novel Synthesis of N6‐Acetyl‐N6‐hydroxylysine from Lysine.
Authors: MILEWSKA M. J. , CHIMIAK A.
Published: May 2016

N2‐Benzyloxycarbonyl‐L‐lysine (I) is oxidized with benzoyl peroxide (II) to yield the products (III) and (IV) after acetylation.
ChemInform Abstract: Novel and Effective Routes to Optically Pure Amino Acids, Dipeptides, and Their Derivatives via β‐Lactams Obtained Through Asymmetric Cycloaddition.
Authors: OJIMA I. , CHEN H.‐J. C.
Published: May 2016

The homochiral β‐lactams (III) are prepared by asymmetric (2+2) cycloaddition reaction of the homochiral ketene, derived from the acyl chloride (II), with the homochiral methoxycarbonylalkanimines (I).
ChemInform Abstract: Unusual Reaction to Glycosyl Urethanes During a Synthesis of Glycopeptides.
Authors: KOLAR C. , KNOEDLER U. + , SEILER F. R. , FEHLHABER H.‐W. , SINNWELL V. , SCHULTZ M. , PAULSEN H.
Published: May 2016

Reaction of the disaccharide halide (II) with the serine derivative (Ia) unexpectedly yields the glycosyl urethane (IIIa) which is subsequently converted to the free acid (IIIb).
ChemInform Abstract: Bisphosphorylation of a vic‐Diol Using a Phosphite Approach: Synthesis of myo‐Inositol 4,5‐Bisphosphate.
Authors: HAMBLIN M. R. , POTTER B. V. L. , GIGG R.
Published: May 2016

The racemic tetra‐O‐benzoyl myoinositol (I) reacts with the phosphoramidochloridite (II) to produce the bisphosphoramidite (III) which is esterified with 2‐cyanoethanol (IV) to give the bisphosphite (V).
ChemInform Abstract: A Parallel Right‐Handed Duplex of the Hexamer d(TpTpTpTpTpT) with Phosphate Triester Linkages.
Authors: KOOLE L. H. , VAN GENDEREN M. H. P. , BUCK H. M.
Published: May 2016

The formation of thymine‐thymine base pairs in aqueous solution is investigated for derivatives of d(TpT) and d(TpTpTpTpTpT) with methylated phosphate groups.
ChemInform Abstract: Isolation and Structure Elucidation of Some Components of the Antitumor Antibiotic Mixture “Rubiflavin”.
Authors: NADIG H. , SEQUIN U.
Published: May 2016

The rubiflavins (I) and (II) and the rubiflavinones (III) are constituents of the title mixture.
ChemInform Abstract: Mechanism, Biological Relevance, and Structural Requirements for Thiolate Additions to Bicyclomycin and Analogues: A Unique Latent Michael Acceptor System.
Authors: WILLIAMS R. M. , TOMIZAWA K. , ARMSTRONG R. W. , DUNG J.‐S.
Published: May 2016

The derivatives (Ia)‐(If) of the antibiotic bicyclomycin (Ig) are synthesized and examined for thiolate addition to the C‐5 exo‐methylene group by method A).
ChemInform Abstract: A Kinetic Rationale for the Inefficiency of 5‐Iminodaunomycin as a Redox Catalyst.
Authors: BIRD D. M. , BOLDT M. , KOCH T. H.
Published: May 2016

The redox chemistry of 5‐iminodaunomycin (I) is compared with that of daunomycin (after reduction to 7‐deoxydaunomycinone (VIII)) to elucidate the inefficiency of (I) as an in vivo redox catalyst for the production of reactive oxygen species.
ChemInform Abstract: A Simple Synthesis of Demethoxydaunomycinone.
Authors: CARR K. , SUTHERLAND J. K.
Published: May 2016

Reaction of the acetylquinizarin (I) with the nitromethyl ketone (II) yields the butanoyl derivative (III) which undergoes base‐catalyzed cyclization reaction, forming a mixture of the hydroxy ketone (IV) and the naphthacene (V).
ChemInform Abstract: Pheromone Synthesis. Part 102. Synthesis of Medium‐ and Macro‐cyclic Compounds. Part 6. Total Synthesis of (‐)‐Periplanone‐B, Natural Major Sex‐Excitant Pheromone of the American Cockroach, Periplaneta americana.
Authors: KITAHARA T. , MORI M. , MORI K.
Published: May 2016

Dihydrolimonene (+)‐ (I) is transformed to the aldehyde (II) according to common procedures.
ChemInform Abstract: Low‐Thermal‐Expansion Polycrystalline Zirconyl Phosphate Ceramic: Solid‐Solution and Microcracking‐Related Properties.
Authors: YAMAI I. , OTA T.
Published: May 2016

The effects of addition of Ta2O5 or Nb2O5 on the sintering and refractory properties of 2 ZrO2·P2O5‐based ceramics have been investigated.
ChemInform Abstract: High‐Strength Zirconia Fibers
Authors: MARSHALL D. B. , LANGE F. F. , MORGAN P. D.
Published: May 2016

containing a Y2O3 additive to inhibit grain growth have been prepared from a metastable acetate‐based precursor.
ChemInform Abstract: Ca0.75Nb3O6: A Novel Metal Oxide Containing Niobium‐Niobium Bonds. Characterization and Structure Refinement from Synchrotron Powder X‐Ray Data.
Authors: HIBBLE S. J. , CHEETHAM A. K. , COX D. E.
Published: May 2016

The new mixed‐metal title oxide, present in a mixture of average stoichiometry CaNb3O6 (from CaCO3, Nb2O5, and Nb at 1400 °C), crystallizes in the space group Immm, Z=4.
ChemInform Abstract: Pulse Plated Electrodeposition of CuInSe2 Films.
Authors: LOKHANDE C. D.
Published: May 2016

Stoichiometric CuInSe2 films are deposited on polished titanium by the pulse plating technique from an aqueous acidic bath using the following conditions: ‐840 mV (SCE) pulse height; duty cycle 33% (5 ms on, 10 ms off); 25 °C. The as‐deposited films are polycrystalline.
ChemInform Abstract: Electrochemistry of Phosphorus and Phosphide Solutions in Liquid Ammonia
Authors: SEYMOUR C. M. , LAGOWSKI J. J.
Published: May 2016

has been examined by cyclic voltammetry and bulk coulometry.
ChemInform Abstract: Electrode Surface Modification Through Nafion‐Attached Transition‐Metal Cluster Chalcogenide Particles.
Authors: ALONSO VANTE N. , TRIBUTSCH H.
Published: May 2016

Various electrodes have been coated with a Nafion film containing small particles of the semiconducting cluster material Mo4.2Ru1.8Se8.
ChemInform Abstract: Hexachloroiridate(III/IV) on Polymer‐Coated Electrodes. Investigation of the Membrane Permeability and the Charge‐Transport Mechanism.
Authors: DOBLHOFER K. , LANGE R.
Published: May 2016

The behavior of the IrCl2‐/3‐ 6 redox system has been investigated with inert electrodes coated with thin films of quaternized and cross‐linked polyvinylpyridine by using the ring‐disk technique.
ChemInform Abstract: Salt Formation During the Anodic Dissolution of Iron in (NH4)2SO4 at pH = 2. Part 1. Steady State Behavior.
Authors: MOINA C. , POSADAS D.
Published: May 2016

The polarization curves of a rotating Fe electrode in a (NH4)2SO4/FeSO4 solution of pH = 2 show a limiting current between ‐0.3 and 0.1 V. In this potential region, Fe dissolution is controlled by the rate of dissolution of a salt layer, most probably FeSO4·7 H2O, which covers the electrode.
ChemInform Abstract: Zirconium‐Bis(triethylamine): A New Class of Chelate Ion and Anion Exchanger.
Authors: RAWAT J. P. , ALAM M. , ABDUL AZIZ H. M. , SINGH B.
Published: May 2016

It is demonstrated that analytically important separation of anions can be achieved by using the new inorganic ion exchanger zirconium‐bis(triethylamine), which has been synthesized by mixing solutions of zirconiumoxide dichloride and triethylamine.
ChemInform Abstract: Preparation and Properties of Ammonium Hexachlorozirconate(IV) and Its Reaction with Gaseous Ammonia.
Authors: OHASHI M. , YAMANAKA S. , MORIMOTO Y. , HATTORI M.
Published: May 2016

(NH4)2ZrCl6 (I) has been prepared by the dry method from ZrCl4 and NH4Cl (1.
ChemInform Abstract: The 18O Isotope Shift in 15N NMR Spectroscopy. Part 3. Effects of Structure and Solvent.
Authors: RAJENDRAN G. , SANTINI R. E. , VAN ETTEN R. L.
Published: May 2016

The 15N,18O‐labeled compounds (I)‐(X) (50 or 95% 15N enrichment, 30% 18O enrichment) are synthesized and the 18O‐induced isotope shifts on their 15N NMR spectra are measured, ranging from 0.027 ppm for 2,6‐dichlorobenzonitrile oxide to 0.159 ppm for an isoxazole (VIII).
ChemInform Abstract: Complexes of 2,5,7,9‐Tetrathiabicyclo(4.3.0)non‐1(6)‐ene‐8‐thione (L1). Part 1. Synthesis and Antimony‐121 Moessbauer Spectroscopic Characterization of SbCl3(L1)1.5, Crystal and Molecular Structures of SbCl3(L1)1.5 and Uncomplexed L1.
Authors: DREW M. G. B. , KISENYI J. M. , PARISH R. V.
Published: May 2016

The title complex (II), prepared from (I) and SbCl3 in benzene (60% yield), crystallizes in the space group I2/c with Z = 8. The structure is polymeric with each Sb centre bonded to three Cl atoms and to three different ligands through their terminal S atoms.
ChemInform Abstract: Correlation Between Thermal Stability and Molecular and Crystal Structure in a Series of Potassium‐Dibenzo‐18‐Crown‐6 Solid Compounds.
Authors: BATTAGLIA L. P. , BONAMARTINI CORRADI A. , BIANCHI A. , GIUSTI J. , PAOLETTI P.
Published: May 2016

Complex (I) crystallizes in the space group P21/c with Z = 8 and (II) in P212121, Z=4.
ChemInform Abstract: Ruthenium(II)‐ and Rhenium(III)‐Catalyzed Addition of Tetrahalogenomethanes to Alkenes and 1,ω‐Dienes. Stereoselective Formation of cis‐1,2‐Disubstituted Cyclopentanes from 1,6‐Dienes.
Authors: GRIGG R. , DEVLIN J. , RAMASUBBU A. , SCOTT R. M. , STEVENSON P.
Published: May 2016

The rhenium(III) initiated addition of CCl4 (IIa) or CBrCl3 (IIb) to various alkenes such as (I), (IV) or (VI) yields the adducts (III), (V) or (VII).
ChemInform Abstract: Regioselective Ring‐Opening and Dimerization of Methyl 3,3‐Dimethylcyclopropenecarboxylate.
Authors: BAIRD M. S. , HUSSAIN H. H. , CLEGG W.
Published: May 2016

The title reaction of the ester (I) yields the products (II) and (III) (no yields given).
ChemInform Abstract: Laser Flash Photolysis Study of Triplet States in Aligned Liquid Crystalline Media.
Authors: DAS S. , LENOBLE C. , BECKER R. S.
Published: May 2016

The formation of triplets of zinc tetraphenylporphyrin and 2‐piperidinoanthraquinone in aligned nematic and isotropic phases of some commercially available cyanobiphenyl liquid crystals is studied.
ChemInform Abstract: (2+2) Cycloaddition of Two C=N Double Bonds. First Structural Evidence for Head‐to‐tail Photodimerization in the 2‐Phenylbenzoxazole Series.
Authors: PAILLOUS N. , FERY FORGUES S. , JAUD J. , DEVILLERS J.
Published: May 2016

The 2‐arylbenzoxazoles (I) form the head‐to‐tail (2+2) cycloadducts (II) on photolysis in a two‐phase system.
ChemInform Abstract: Electron Transfer in Reactions of Ketones with Organolithium Reagents. A 14C Kinetic Isotope Effect Probe.
Authors: YAMATAKA H. , FUJIMURA N. , KAWAFUJI Y. , HANAFUSA T.
Published: May 2016

With the exception of (Ib) the electron transfer is the rate‐determining step in the title reaction of (I) with (II).
ChemInform Abstract: Inter‐ and Intramolecular Epoxidation Utilizing Silyl‐Protected Peroxy Esters and Copper Salt.
Authors: SAITO I. , MANO T. , NAGATA R. , MATSUURA T.
Published: May 2016

The α‐siloxyalkyl perbenzoates (III), prepared from the hydroperoxides (I), are employed in the epoxidation of olefins.
ChemInform Abstract: Oxidative Decomposition of Phenol and Ethylene Glycol by Ozone.
Authors: TAKAHASHI N. , KATSUKI O.
Published: May 2016

The product distribution of the oxidative cleavage of phenol (I) and ethylene glycol (VIII) with ozone in aqueous solutions is investigated under various conditions.
ChemInform Abstract: Practical Chromium(VI) Oxide‐Catalyzed Benzylic Oxidations Using 70% tert‐Butyl Hydroperoxide.
Authors: MUZART J.
Published: May 2016

Indan (Ia) and tetralin (Ib) are oxidized with chromium(VI) oxide and tert‐butyl hydroperoxide to give the ketones (II) and the naphthoquinone (III).
ChemInform Abstract: A Facile and Highly Stereoselective Synthesis of 2E‐, 2E,4E‐Unsaturated Amides and Related Natural Products.
Authors: HUANG Y. Z. , SHI L. , YANG J. , ZHANG J.
Published: May 2016

The bromo acetamides (I) and triphenylarsine (II) give the arsonium salts (III) which are coupled with the aldehydes (IV), producing the unsaturated amides (V).
ChemInform Abstract: Synthesis of Tertiary Acetylenic Alcohols and Their Ethers in the System KOH‐DMSO.
Authors: TROFIMOV B. A. , SOBENINA L. N. , KOROSTOVA S. E. , MIKHALEVA A. I. , SHISHOV N. I. , FEL'DMAN V. D. , SHEVCHENKO S. G. , VASIL'EV A. N.
Published: May 2016

A novel method of preparation of the alkynols (III) is described, which works at atmospheric pressure without a large excess of alkali.
ChemInform Abstract: Epoxidation of 3,6‐Di‐tert‐butyl‐2,2,7,7‐tetramethyl‐3,4,5‐octatriene. Isolation of a Stable Methylenecyclopropanone.
Authors: CRANDALL J. K. , SALAZAR G. E. , WATKINS R. J.
Published: May 2016

The MCPBA oxidationof the triene (I) yields the methylenecyclopropanone (III) as main product along with (IV) and (V).
ChemInform Abstract: Photochemical Oxidation and Autoxidation of Some Cycloalkanes Promoted by Ceric Ammonium Nitrate in Acetonitrile.
Authors: BACIOCCHI E. , DEL GIACCO T. , SEBASTIANI G. V.
Published: May 2016

Photochemical reaction of the (poly)cyclic hydrocarbons (I), (IV), or (VI) with cerium(IV) ammonium nitrate in acetonitrile yields the nitrates (II), (Va), (VIIa), and (VIIIa) which are identified via the corresponding alcohols (III), (Vb), (VIIb), and (VIIIb) after reduction with lithium alanate.
ChemInform Abstract: Catalytic Function of the Fe4S4 Cluster in the Reduction of Aromatic Nitro Compounds with tert‐Butyl Mercaptan and Triethylamine.
Authors: INOUE H. , SHIRAI M. , HARUKI E.
Published: May 2016

Reduction of the nitrobenzenes (II) with tert‐butyl mercaptan (III) and triethylamine to give the anilines (IV) is catalyzed by the cluster compound (I).
ChemInform Abstract: Halogenation of Phenols and Phenyl Ethers with Potassium Halides in the Presence of 18‐Crown‐6 on Oxidation with m‐Chloroperbenzoic Acid.
Authors: SREBNIK M. , MECHOULAM R. , YONA I.
Published: May 2016

Several types of phenyl ethers such as (I) undergo mono‐halogenation to give the halogenides (II)‐(IV).
ChemInform Abstract: Anodic Cleavage of Carbon‐Oxygen Bonds in Diaryl Ethers.
Authors: JANISSEK P. R. , PARDINI V. L. , VIERTLER H.
Published: May 2016

Electrochemical oxidation of the diaryl ethers (Ib) ‐ (Ii) yields the bisacetals (IIb) ‐ (IIi) as the main products.
ChemInform Abstract: Synthesis and pKa Values of 4,5‐Dinitro‐1,8‐biphenylenediol.
Authors: HINE J. , AHN K.
Published: May 2016

Nitration of the biphenyls (I) with nitronium tetrafluoroborate (II) gives the nitro derivatives (IIIa) and (IIIb).
ChemInform Abstract: Synthetic Approach to Diterpene Alkaloids. Part 2. Unusual Reaction of Angular Nitromethyl Group with Diazomethane to Give Aldoxime.
Authors: SHIBANUMA Y. , OKAMOTO T.
Published: May 2016

The nitromethylhydrophenanthrone (I) is converted via nitration, hydrogenation and Sandmeyer reaction into the phenol (IV), which reacts with diazomethane to give the desired methyl ether (V), together with two unexpected isomeric aldoximes (VIa) and (VIb).
ChemInform Abstract: Reagent and Synthetic Methods. Part 62. N,N‐Dimethylphosphoramidic Dichloride: A Convenient Reagent for the Preparation of β‐Lactams from Acetic Acids and Imines.
Authors: COSSIO F. P. , GANBOA I. , GARCIA J. M. , LECEA B. , PALOMO C.
Published: May 2016

The imines (II) are coupled with bis(ethylthio)acetic acid (I) in the presence of the phosphoramidic dichloride (III) mentioned in the title to form the bis(ethylthio)‐β‐lactams (IV) which are converted to the diones (V), the lactam (VI) or the dimethoxy derivatives (VII).
ChemInform Abstract: Synthesis of γ‐Hydroxynitriles, γ‐Butyrolactones, and α‐Methylene‐γ‐butyrolactones from Epoxides and Sodium Cyano(triphenylphosphoranylidene)methanide.
Authors: BESTMANN H. J. , SCHMIDT M.
Published: May 2016

The phosphorane (I) is converted to the anion (III) which reacts with the epoxides (IV) to form the cyanophosphoranylidenalkoxides (V).
ChemInform Abstract: Asymmetric Synthesis of Optically Active threo‐ and erythro‐Pyrrolidinylbenzyl Alcohol by the Highly Stereospecific Arylation of (S)‐Proline and the Subsequent Highly Diastereoselective Reduction of the α‐Amino Ketone.
Authors: OOKAWA A. , SOAI K.
Published: May 2016

The optically active amino phenyl ketones (V) can be prepared in good enantiomeric excesses by arylation of the mixed anhydrides (III) from the proline derivatives (I) with the Grignard reagent (IV).
ChemInform Abstract: Ring Transformation Reaction of 1,2,4,5‐Tetrazines into 4‐Aminopyrazoles by Cyanotrimethylsilane.
Authors: TAKAHASHI M. , KIKUCHI H.
Published: May 2016

The tetrazine (Ia) reacts with trimethylsilyl cyanide (II) in refluxing toluene or xylene to give the aminocyanopyrazole (III).
ChemInform Abstract: Azoles. Part 4. Nucleophilic Substitution Reactions of Halogenoimidazoles.
Authors: IDDON B. , KHAN N. , LIM B. L.
Published: May 2016

The title reaction of the imidazoles (I), (III), (V) and (VI) yields the derivatives (IV).
ChemInform Abstract: Azoles. Part 7. A Convenient Synthesis of Thieno(2,3‐d)imidazoles.
Authors: IDDON B. , KHAN N. , LIM B. L.
Published: May 2016

The reaction of the imidazoles (I) with the thiol (II) via thioether intermediates, e.g. (IV), yields the title compounds (III).
ChemInform Abstract: Regiospecific Introduction of Amino‐Alkene Functionality into 1,2,3‐Triols, 1,3‐Dihalogenopropan‐2‐ols, and 2,3‐Dihalogenopropanols Promoted by Fluoride Anion.
Authors: SHIMIZU M. , YOSHIOKA H.
Published: May 2016

Cyclization of the carbamates (I), (V), and (IX), yielding the oxazolone derivatives (II), (VI), (VII), (Xb), and (XI), is achieved by treatment with tetrabutylammonium fluoride.
ChemInform Abstract: cis‐2‐Iminoperhydrothieno(3,4‐d)thiazole‐5,5‐dioxides.
Authors: KHASKIN G. I. , ROZHENKO A. B. , BEZMENOVA T. E.
Published: May 2016

The phenylaminothiolene dioxide (I) reacts with benzoyl isothiocyanate (II) to give the thiourea (III) which is cyclized upon treatment with alkali, forming the cis‐perhydrothienoimidazolethione dioxide (IV).
ChemInform Abstract: Synthesis and Study of the Radioprotective Properties of Some N‐Allyl‐ N′‐Substituted Thiocarbamide Derivatives.
Authors: MIZRAKH L. I. , POLONSKAYA L. YU. , GVOZDETSKII A. N. , VASIL'EV A. M. , IVANOVA T. M. , LISINA N. I.
Published: May 2016

Reaction of allyl isothiocyanate (I) with ethylenediamine (II) gives the bisthiourea (III) which is cyclized on heating, producing the bisthiazoline (IV).
ChemInform Abstract: Cyclization of Isothiosemicarbazones. Part 7. Synthesis of N‐Alkenyl‐1,2,4‐triazoles with Anti‐Saytzeff Orientation.
Authors: YAMAZAKI C. , SAKAI M. , MIYAMOTO Y. , SUZUKI N.
Published: May 2016

On treatment with AcOH the semicarbazones (I) eliminate ethyl cyanoacetate to afford the title triazoles (II).
ChemInform Abstract: Nitration of 4‐Methyl‐5,6‐dihydro‐2H‐pyran and Some Problems of Synthesis and Isomerization of Nitro Derivatives in the Dihydropyran Series.
Authors: SARGSYAN M. S. , MKRTUMYAN S. A. , GEVORKYAN A. A.
Published: May 2016

Reaction of 4‐methyl‐5,6‐dihydro‐2H‐pyran (I) with acetyl nitrate gives mixtures of the addition and substitution products (II) ‐ (V).
ChemInform Abstract: Styryls of the α‐Pyrylium Series and Nature of Their Absorption Bands.
Authors: BOIKO I. I. , BOIKO T. N. , TOLMACHEV A. I. , GAVRILYUK I. M. , KACHKOVSKII A. D.
Published: May 2016

The pyrylium salts (I) are coupled with the benzaldehydes (II) to give the styrylpyrylium salts (III).
ChemInform Abstract: Interaction of Some 2‐Hydroxybenzylpiperidines with Dopamine Receptors.
Authors: CARDELLINI M. , CLAUDI F. , PERLINI V. , BALDUINI W. , CATTABENI F. , CIMINO M.
Published: May 2016

The phenylacetonitriles (I) are coupled with 2‐chloropyridine (II) to form the (2‐pyridyl)acetonitriles (III).
ChemInform Abstract: Enhanced Reactivity of Iminium Ions as Heterodienophiles in Lewis Acid Mediated (4+2)Cycloaddition Reactions.
Authors: RYAN K. M. , REAMER R. A. , VOLANTE R. P. , SHINKAI I.
Published: May 2016

The trimeric imine (I) is converted to the iminium salts (II) and (III).
ChemInform Abstract: Synthesis of 10‐Hydroxy‐1‐carboxy‐3‐arylbenzo(f)quinoline‐8‐sulfonic Acids.
Authors: LETUNOV V. I.
Published: May 2016

The benzoquinoline derivatives (IV) are obtained by Döbner reaction of 2‐amino‐8‐naphthol‐6‐sulfonic acid (I) with the aromatic aldehydes (II) and pyruvic acid (III).
ChemInform Abstract: Synthesis of Chiral 5‐Deazaflavin Derivatives and Their Use in Asymmetric Reduction of Ethyl Benzoylformate.
Authors: TANAKA K. , KIMURA T. , OKADA T. , CHEN X. , YONEDA F.
Published: May 2016

The chiral dihydrodeazaflavines (IXa) and (IXb) are prepared as outlined in the reaction scheme.
ChemInform Abstract: New Xanthine Derivatives with Potent and Long Lasting Anti‐Bronchoconstrictive Activity.
Authors: REGNIER G. L. , GUILLONNEAU C. G. , DUHAULT J. L. , TISSERAND F. P. , SAINT‐ROMAS G. , HOLSTORP S. M.
Published: May 2016

The new xanthine derivatives (VI) and (IX)‐(XII) are prepared by methods similar to those shown in the scheme for (VIa)‐(VIc).
ChemInform Abstract: Synthesis and Pharmacological Activity of 1‐Phenoxy‐3‐aminopropanol‐2 Derivatives.
Authors: GLOZMAN O. M. , ORLOVA E. K. , AGAVELYAN E. S. , ISMAILOV SH. I. , NEROBKOVA L. N. , VORONINA T. A. , ZAGOREVSKII V. A.
Published: May 2016

The title compounds (IV), (VII), (VIII), and (X) are prepared from the phenols (I) and (V) or the azo compounds (IX) as shown in the reaction scheme.
ChemInform Abstract: Synthesis and Biological Activity of Dispirotripiperazinium Derivatives.
Authors: CHERNOV G. A. , LISINA N. I. , KARIMOVA N. M. , KIL'DISHEVA O. V. , KNUNYANTS I. L.
Published: May 2016

The dispirotripiperazinium salts (I) and (IV) are transformed into the derivatives (III), (VI), (VIII), and (X) as shown in the reaction scheme.
ChemInform Abstract: Ethyl 2‐Chloro‐3,3‐dicyanoacrylate, a Versatile Reagent in the Synthesis of Heterocycles.
Authors: RIED W. , BELLER G.
Published: May 2016

Reaction of the acrylic ester (I) mentioned in the title with the nucleophilic agents (II), (IV), or (VI) produces the heterocycles (III), (V), and (VII).
ChemInform Abstract: Synthesis of Some Hexahydroazocino(4,3‐b)indoles, a Tetra‐ and Two Hexahydropyrrolo(1′,2′:1,2)pyrrolo(3,4‐b)indoles, and a Tetrahydropyrrolo(2′,1′:5,1)imidazo(3,4‐a)indole. Crystal Structure Determination of 1,2,3,4‐Tetrahydro‐2‐phenoxycarbonyl‐7‐phenylsulfonylazocino(4,3‐b)indol‐6(5H)‐one.
Authors: STREET J. D. , HARRIS M. , BISHOP D. I. , HEATLEY F. , BEDDOES R. L. , MILLS O. S. , JOULE J. A.
Published: May 2016

In the quest for a synthesis of the alkaloid apparicine the title compound (VIIa) is prepared starting from the indole (I) via intramolecular Mannich reaction of the reduced intermediate (III).
ChemInform Abstract: The Synthesis and Properties of Three Isomers of 1‐Troponyl‐1H‐1,2‐diazepine.
Authors: MIYANO H. , NITTA M.
Published: May 2016

Reaction of the 2‐substituted tropones (I) with 1,2‐diazepine tricarbonyliron (II) yields the isomeric products (III) ‐ (V).
ChemInform Abstract: Formation of Macroheterocycles by Condensation Reaction of o‐Phenylenediamine with Substituted Acroleines.
Authors: YATLUK YU. G. , SUVOROV A. L.
Published: May 2016

The tetraaza(14)annulenes (V) are synthesized from o‐phenylenediamine (I) and the acroleine derivatives (II) via the condensation products (III) and (IV).
ChemInform Abstract: Aromatic Derivatives of 2,3‐Dihydro‐1H‐pyrazolo(4,5‐b)‐1,5‐diazepine.
Authors: ORLOV V. D. , KIROGA KH. , KOLOS N. N.
Published: May 2016

Reaction of 4,5‐diaminopyrazole (I) with the chalcones (II) or 4‐substituted acetophenones (IV) in the presence of acetic or sulfuric acid gives the 2,3‐dihydropyrazolodiazepines (III) and (V).
ChemInform Abstract: An Anomalous Metalation of a Trimethylsilyl Group.
Authors: MACDONALD J. E. , POINDEXTER G. S.
Published: May 2016

The carbamate (I) is silylated to form the trimethylsilyl derivative (III) which reacts with sBuLi and DMF to give the silanol (IV).
ChemInform Abstract: Umpolung in Allylic Phosphonates. Regioselective Reaction of Acetoxy Allylic Phosphonates with Nucleophiles Catalyzed by Palladium(0) Complex.
Authors: ZHU J. , LU X.
Published: May 2016

The allylphosphonates (I) react with the nucleophiles (II) in the presence of a Pd catalyst to give the substitution products (III) ‐ (V).
ChemInform Abstract: The B.A.S.I.C. (Bino‐Ansa‐Spiro‐In‐Cyclophosphazenes) System. Part 1. New Derivatives of the Bis(tetrachlorocyclotriphosphazenyl)spermine.
Authors: WILLSON M. , LAFAILLE L. , VIDAUD L. , LABARRE J.‐F.
Published: May 2016

The bis(spirocyclophosphazenes) (IIIa) ‐ (IIIc) are prepared by reaction of the cyclophosphazenes (I) with spermine (II).
ChemInform Abstract: Syntheses, X‐Ray Structures, and Properties of Complexes of Macrocyclic Hexaimines with Lanthanoid Nitrates.
Authors: ARIF A. M. , BACKER‐DIRKS J. D. J. , GRAY C. J. , HART F. A. , HURSTHOUSE M. B.
Published: May 2016

The lanthanoid complexes (IV) are prepared by the template condensation according to the scheme.
ChemInform Abstract: Reactivity of (C5Me5)2Sm with Cyclopentadiene and Cyclopentadienide: Isolation of the Mixed‐Valent Complex (C5Me5)2Sm(III)(μ‐C5H5)Sm(II)(C5Me5)2.
Authors: EVANS W. J. , ULIBARRI T. A.
Published: May 2016

The title compound (I) react with excess of cyclopentadiene (II) to form the η5‐cyclopentadienyl‐Sm(III) derivative (III).
ChemInform Abstract: Synthesis, Structure, and Reactions of a Zirconocene‐Benzdiyne Complex.
Authors: BUCHWALD S. L. , LUCAS E. A. , DEWAN J. C.
Published: May 2016

Whereas the thermolysis of (III) in the presence of trimethylphosphine yields a mixture of isomers as shown by 1H NMR, the analogously prepared derivative (IX) forms (X) and (XI).
ChemInform Abstract: Chemistry of 2,3‐Dihydro‐2‐metallaphenalenes. Part 2. Formation of Cyclic (CHMMe2C(MMe3)C10H6)x via Base Decomposition of (1,8‐(Me3MCH2)2C10H6)y (M: Ge, x = 2‐, y = 0; M: P, x = 0, y = 2+); Crystal Structures of the Novel Cyclic Bis‐ylide CHPMe2C(PMe3)C10H6 and of a Distorted peri‐Ylide, 1‐Me‐8‐(Me3PCH)C10H6.
Authors: ENGELHARDT L. M. , PAPASERGIO R. I. , RASTON C. L. , SALEM G. , WHITAKER C. R. , WHITE A. H.
Published: May 2016

Abstraction of protons from (III) (derived from a Grignard in situ trapping reaction) by treatment with a Li salt yields via (IV) the heterocyclic dianion (V), which is converted to the germaphenylene (VI).
ChemInform Abstract: Preparation and Partial Oxidation of Tin(II) Trifluoroacetate: Spectroscopic Properties and X‐Ray Crystal Structure of Di‐μ3‐oxo‐octakis‐μ‐trifluoroacetatotetratin(II)tin(IV).
Authors: BIRCHALL T. , FAGGIANI R. , LOCK C. J. L. , MANIVANNAN V.
Published: May 2016

Pure Sn(II) trifluoroacetate (IV) which probably has a polymeric structure with bridging trifluoroacetates is prepared as shown and characterized by 119Sn Mößbauer and vibrational spectroscopy.
ChemInform Abstract: Tin(IV) and Organotin(IV) Adducts of Bis(1‐pyrazolyl)methane.
Authors: GIOIA LOBBIA G. , CINGOLANI A. , LEONESI D. , LORENZOTTI A. , BONATI F.
Published: May 2016

The title ligand (I) reacts with the Sn(IV) halides (II) to give the adducts (III).
ChemInform Abstract: Synthesis of (η‐Cyclopentadienyl)(trimethylphosphine)tungsten Derivatives and Related Chemistry.
Authors: GREEN M. L. H. , PARKIN G.
Published: May 2016

The W compounds (I), (V), (VII), (VIII), (IXa), (X), (XI), and (XIII) are synthesized by new or improved methods according to the scheme.
ChemInform Abstract: Reaction of Alkyne with W‐S Systems: Synthesis and Characterization of Dinuclear W(V) Dithiolene Complex, (Et4N)2(W2O2(μ‐S)2(S2C2(COPh)2)2).
Authors: ANSARI M. A. , CHANDRASEKARAN J. , SARKAR S.
Published: May 2016

The title complex (III) is prepared by 1:2 molar reaction of the complex (I) with dibenzoyl acetylene (II) and is characterized spectroscopically (IR, UV, 1H, 13C NMR).
ChemInform Abstract: Preparation, Structure, and Properties of (Ni(S2C2(CF3)2)2)‐ and (Ni(Se2C2(CF3)2)2)‐ Salts with Small Cations.
Authors: HARRIS N. J. , UNDERHILL A. E.
Published: May 2016

The complex Ni(S2C2(CF3)2)2 is reduced to its monoanion by dissolving it in acetone.
ChemInform Abstract: An ESR Study of the Copper(II) Chelate of 2‐(2′‐Pyridylmethylenehydrazonomethyl)phenol and Related Compounds.
Authors: TIRANT M. , SMITH T. D. , PILBROW J. R. , HANSON G. , SINCLAIR G. R.
Published: May 2016

The ESR spectrum of the title complex shows that the chelate of ligand (Ia) is monomeric in DMF at 20 °C, while dimerization occurs in frozen solution.
ChemInform Abstract: Solution Properties of Cu(II)‐L‐α‐Leucinehydroxamic Acid.
Authors: KURZAK B. , KURZAK K. , JEZIERSKA J.
Published: May 2016

Species distributions and relevant stability constants of species present in aqueous solutions of Cu(II) with bidentate Me2CH‐CH2‐CH(NH2)‐CO‐NH‐OH are obtained by analytical potentiometry at 25 °C and I = 0.1 M (NaClO4).
ChemInform Abstract: Synthesis, Structure, and Spectroscopic Properties of an Unusual Copper(I) Dimer Having Imidazole Ligands. A Model for the Carbonyl Derivative of Hemocyanin and Implications for the Structure of Deoxyhemocyanin.
Authors: SORRELL T. N. , BOROVIK A. S.
Published: May 2016

The tris(imidazole) chelating ligand (V) and its corresponding copper(I) complex (VII) are synthesized as shown in the scheme.
ChemInform Abstract: Reductive Elimination Leading to Transient (η5‐C5Me5)Ru(NO). Trapping, Dimerization, and Oxidative Addition Reactions of This Intermediate and the Effect of Structural Variation on Its Generation.
Authors: CHANG J. , BERGMAN R. G.
Published: May 2016

On heating in benzene, the diphenylnitrosyl‐Ru compound (III) prepared as shown produces the dimers (IV) and (V) along with biphenyl (VI).
ChemInform Abstract: Synthesis and Reactions of ((OC)2Re(μ‐dppm)2(μ‐Cl)2Rh(η2‐C2H4)) (dppm: Ph2PCH2PPh2): Crystal Structure of the 1:2 Chlorobenzene Solvate.
Authors: CARR S. W. , SHAW B. L. , THORNTON‐PETT M.
Published: May 2016

The mer,cis‐Re complex (III) prepared as shown can be readily quaternized by (Me3O)(BF4) on its uncomplexed P atom (yield 92%) and reacts with the Rh dimer (IV) to give the diphosphine‐bridged heteronuclear title complex (Va).
ChemInform Abstract: Substituted Osmium Clusters Containing Labile Ligands. The Preparation, Characterization, and Some Reactions of (Os3H(OR)(CO)9(MeCN)) (R: H, Me, Et, or Ph) and the Isomers of (Os3H(SR)(CO)9(MeCN)) (R: Me, Et, or Ph); the Crystal and Molecular Structure of (Os3H(SPh)(CO)9(PEt3)).
Authors: DITZEL E. J. , GOMEZ‐SAL M. P. , JOHNSON B. F. G. , LEWIS J. , RAITHBY P. R.
Published: May 2016

The OR1‐bridged Os clusters (I) react with Me3NO in MeCN (II) to produce monoacetonitrile derivatives in which the acetonitrile ligand attaches to one of the bridgehead Os atoms and which form two isomers of the monophosphite derivatives (IV) on treatment with P(OMe)3 (III).
ChemInform Abstract: Photochemical Preparation and Reactivity of Platinum(II) Complexes with Oxygen‐Donor Ligands. Description and Synthesis of Di‐μ‐chlorodichlorobis(substituted pyridine)diplatinum(II).
Authors: AUFFRET J. , COURTOT P. , PICHON R. , SALAUEN J.‐Y. +
Published: May 2016

The Pt(II) complexes (III) containing the O‐donor ligands L2 are obtained by irradiation of the ethylene analogues (I) in the appropriate solvent L2.
ChemInform Abstract: Platinum Group Metal Complexes of Bis(2‐(diphenylphosphino)ethyl)benzylamine and Bis(2‐(diphenylarsino)ethyl)benzylamine.
Authors: TAQUI KHAN M. M. , REDDY V. V. S. , BAJAJ H. C.
Published: May 2016

The equimolar reaction of the title ligands (II) with the Rh complex (I), the Ir complex (IV), the Pd complex (V), and the Pt complex (VI) leads to the two different types of complexes (III) and (VII) as shown.
ChemInform Abstract: Synthesis and Crystal Structure of Tetrakis(dimethylsulfoxide) Platinum(II) Bis(trifluoromethanesulfonate).
Authors: ELDING L. I. , OSKARSSON A.
Published: May 2016

Crystals of the title complex (I) are prepared by dissolution of Pt(II) hydroxide in a solution of CF3SO3H in DMSO and subsequent evaporation (no yields given).
ChemInform Abstract: A Planar Binuclear Phthalocyanine and Its Dicobalt Derivatives.
Authors: LEZNOFF C. C. , LAM H. , MARCUCCIO S. M. , NEVIN W. A. , JANDA P. , KOBAYASHI N.
Published: May 2016

The isoindolines (I) and (II), prepared from 4‐neopentoxyphthalonitrile and 1,2,4,5‐tetracyanobenzene by reaction with ammonia, cyclize to form the binuclear phthalocyanine (IIIa) which is converted into the dicobalt(II) derivative (IIIb).
ChemInform Abstract: α,β‐Unsaturated Carboxylic Acid Derivatives. Part 23. Syntheses and Esterifications of N‐(tert‐Butoxycarbonyl)‐ and N‐(Benzyloxycarbonyl)‐ α‐dehydroamino Acids.
Authors: YONEZAWA Y. , OBARA T. , SHIN C.
Published: May 2016

The protected amino acids (I) are cyclized with thionyl chloride, forming the anhydrides (II), which are acetylated and then hydrolyzed to give the α‐tert‐butoxycarbonylamino acids (V).
ChemInform Abstract: An Efficacious Synthesis of Aryl and Heteroaryl C‐Glycosides.
Authors: KOZIKOWSKI A. P. , CHENG X.‐M.
Published: May 2016

Diels‐Alder cycloaddition of the nitrile oxide, derived from the protected nitro sugar (I) with the allylindole (II) produces the isoxazoline (III) which undergoes Lewis acid catalyzed aromatization reaction after hydrogenation, forming the ribofuranosylcarbazoles (V).
ChemInform Abstract: A Novel Two‐Stage Route to the 2a,5a‐Diazacyclopenta(jk)fluorene Ring System.
Authors: JACKSON A. H. , SHANNON P. V. R. , WILKINS D. J.
Published: May 2016

N‐Acetoacetyltryptamine (Ia), prepared from tryptamine and diketene, and the methoxy derivative (Ib) cyclize in the presence of phosphoryl chloride, forming the tetrahydrodiazacyclopentafluorenones (IIa) and (IIb).
ChemInform Abstract: The Conversion of the 2′,3′‐O‐Isopropylidene Derivative of 5‐Amino‐1‐β‐D‐ribofuranosylimidazole‐4‐carboxamide (AICA Riboside) Into 2′,3′‐O‐Isopropylidene‐isoguanosine.
Authors: REESE C. B. , SANGHVI Y. S. , KURODA R.
Published: May 2016

In an attempt to prepare oxanosine, the title compound (I) is converted to the thioureido derivative (IV).
ChemInform Abstract: Synthesis and Biological Activity of 5‐Fluoroalkylthio‐6‐azauridines.
Authors: KOBYLINSKAYA V. I. , DASHEVSKAYA T. A. , SHALAMAI A. S. , SULEIMANOV S. P. , HARCHUK A. N. , PROTOPOPOVA G. V.
Published: May 2016

The azauracils (I) are transformed into the azauridines (VII) and (VIII) via the silyl ethers (IV).
ChemInform Abstract: Synthesis of (3R,4R)‐1,5‐Hexadiene‐3,4‐diol and Its Unsymmetrical Deri‐ vatives: Application to (R)‐(+)‐α‐Lipoic Acid.
Authors: RAO A. V. R. , MYSOREKAR S. V. , GURJAR M. K. , YADAV J. S.
Published: May 2016

Starting with the D‐mannitols (I), 1,2‐divinylglycol (IIIa) and its derivatives (IIIb) ‐ (IIId) are prepared.
ChemInform Abstract: Preparation of a Chiral Lactone from Laevoglucosan: A Key Intermediate for Synthesis of the Spiroacetal Moieties of the Avermectins and Milbemycins.
Authors: BAKER R. , BOYES R. H. O. , BROOM D. M. P. , O'MAHONY M. J. , SWAIN C. J.
Published: May 2016

In order to synthesize the spiroacetal moiety of milbemycins and avermectins, the required lactones (V) and the required acetylene (XIIIa) are prepared as shown.
ChemInform Abstract: Total Synthesis of (+)‐Milbemycin β3.
Authors: BAKER R. , O'MAHONY M. J. , SWAIN C. J.
Published: May 2016

The coupling of the iodide (+)‐(III) with the spiroacetal (+)‐(IV), whose synthesis has already been described in the preceding paper, represents the starting step in the synthesis of the synthon (+)‐(VIII).
ChemInform Abstract: Total Synthesis of 6‐Hydroxy‐epi‐PS 5 and 6‐Methoxy‐epi‐PS 5.
Authors: WATANABE A. , FUKAGAWA Y. , ISHIKURA T. , YOSHIOKA T.
Published: May 2016

The title compound (XIIa) is synthesized as shown and isolated as sodium salt (∼ 38% from (XI)).
ChemInform Abstract: New Reactions of 2‐Alkylthiopenems.
Authors: GIRIJAVALLABHAN V. M. , MCCOMBIE S. W. , PINTO P. , LIN S.‐I. , VERSACE R.
Published: May 2016

Treatment of the ethylthiopenem (Ia) with sodium hypochlorite in a two‐ phase system yields the chlorothiazolidone (II) as the main product.
ChemInform Abstract: A Humidity Sensor with SrCe0.95Yb0.05O3 Solid Electrolyte for High Temperature Use
Authors: NAGATA K. , NISHINO M. , GOTO K. S.
Published: May 2016

has been developed and tested in O2, air, Ar, and H2 at 873‐1273 K. The EMF of the sensing system described exhibits good reversibility and rapid response to changes of humidity and temperature.
ChemInform Abstract: Constitution of “KPbO2”.
Authors: STOLL H. , HOPPE R.
Published: May 2016

On heating mixtures of K2O2 and PbO react with formation of K2Pb2O4 (K:Pb = 1:1, Ag‐cylinder, 560 °C, 40 d, after cooling (15 °C/h)).
ChemInform Abstract: Crystal and Molecular Structure of Chromium(II) Sulfate Pentahydrate and Single‐Crystal Electronic Spectra and Bonding of CrSO4·5 H2O, CuSO4·5 H2O, and CuSO4·5 D2O.
Authors: HITCHMAN M. A. , LICHON M. , MCDONALD R. G. , SMITH P. W. , STRANGER R. , SKELTON B. W. , WHITE A. H.
Published: May 2016

CrSO4·5 H2O crystallizes in the triclinic system, space group P1 with Z=2, and is isostructural with the analogous Cu(II) salt.
ChemInform Abstract: Crystal Structure of Gd2B5.
Authors: SCHWARZ C. , SIMON A.
Published: May 2016

The title compound, which is prepared starting from the elements in the presence of GdCl3 as a flux (sealed Ta capsules, 1350 K, 14 d), crystallizes in the monoclinic system (P21/c).
ChemInform Abstract: Crystal Structures and Vibrational Spectra of Two Isomers of Octadecatungsto‐diarsenate (NH4)6As2W18O62·nH2O.
Authors: NEUBERT H. , FUCHS J.
Published: May 2016

Two isomers of the title compound (α1 and β2) are prepared from acidic aqueous solutions of Na2WO4·2 H2O and As2O5·5/3 H2O. The anion of the α1‐isomer which crystallizes in the space group P1 is shown to have the Dawson‐type structure.
ChemInform Abstract: “Transparent” Metals: Preparation and Characterization of Light‐Transmitting Palladium, Rhodium, and Rhenium Films.
Authors: DEGANI Y. , SHENG T. T. , HELLER A. , ASPNES D. E. , STUDNA A. A. , PORTER J. D.
Published: May 2016

Pd, Rh, and Re films being more transparent to visible, near UV and IR light than the dense metal films at equal metal loading are obtained by photoelectrodeposition onto p‐InP(100) photocathodes from 5·10‐5 M solutions of the metal in 1 M HClO4 under mass‐transport limited conditions.
ChemInform Abstract: Double Salt Formation in MBr2‐M′Br2‐H2O and MCl2‐M′Cl2‐H2O Systems (M, M′: Mg, Ca, Mn, Zn, Cd).
Authors: DUHLEV R. , BALAREW CHR.
Published: May 2016

The new double salts (I) and (II) have been found to exist in the systems CaBr2‐MnBr2‐H2O and CdBr2‐MnBr2‐H2O, resp., at 25 °C. The double salt formation in both the title systems is related to the electronic configuration of the cations participating in them.
ChemInform Abstract: The in situ Preparation of Well‐Defined, Single Crystal Electrodes.
Authors: ZURAWSKI D. , RICE L. , HOURANI M. , WIECKOWSKI A.
Published: May 2016

A novel method of single crystal preparation for electrochemical application is proposed in which the crystal is annealed and slowly cooled in iodine vapor and then transferred to an electrochemical cell where the chemisorbed iodine is replaced by CO present in the electrolyte.
ChemInform Abstract: Solid‐Propellant‐Based Pure Fluorine Gas Generators.
Authors: CHRISTE K. O. , WILSON R. D.
Published: May 2016

The problems connected with storage and handling of high‐pressure gaseous fluorine can be overcome by the use of solid‐propellant fluorine gas generators.
ChemInform Abstract: A New Oxocadmate with Blocks of Tetrahedrons, Cs14Cd9O16,
Authors: SEIPP E. , HOPPE R.
Published: May 2016

has been prepared as pale yellow single crystals by annealing an intimate mixture of CdO and CsO0.47 (Cs:Cd = 1.5‐2.2:1.0, Ag cylinder, 500 °C, 20 d).
ChemInform Abstract: The First Mixed‐Valent Oxoplumbate with Isolated Anions, KNa7(Pb(IV)O4) (Pb(II)O3),
Authors: STOLL H. , HOPPE R.
Published: May 2016

has been obtained as red‐orange single crystals according to the first reaction shown in the scheme (using PbO2 in its active form "PbO2") or as red‐orange powder following the second reaction (using PbO in its red modification).
ChemInform Abstract: NMR Spectroscopic Investigations on the Constitution of Benzyl and 1‐Naphthylmethyl Compounds of Titanium, Zirconium, and Hafnium.
Authors: SCHOLZ J. , SCHLEGEL M. , THIELE K.‐H.
Published: May 2016

1H and 13C NMR spectra of (I) and the analogous compounds (II) do not indicate special bonding properties which are supposed to exist on the basis of X‐ray analyses of (I).
ChemInform Abstract: Structures and Magnetic Properties of Trinuclear Copper(II) Halide Salts.
Authors: GRIGEREIT T. E. , RAMAKRISHNA B. L. , PLACE H. , WILLETT R. D. , PELLACANI G. C. , MANFREDINI T. , MENABUE L. , BONAMARTINI‐CORRADI A. , BATTAGLIA L. P.
Published: May 2016

The structures of the title salts (Ia)‐(Id) ((Ia): space group P21/c, Z=4; (Ib): C2/c, Z=4; (Ic), (Id): P21/n, Z=4 and 2) are determined and discussed.
ChemInform Abstract: Experimental and Computer Modeling Studies of Micellar Diastereoselectivity.
Authors: MOSS R. A. , HENDRICKSON T. F. , UEOKA R. , KIM K. Y. , WEINER P. K.
Published: May 2016

Diastereomeric dipeptide p‐nitrophenyl esters, Z‐(D or L)‐Trp‐(L)‐Pro‐Ar (I) and Z‐(D or L)‐Pro‐(L)‐Pro‐Ar (II) are hydrolized at pH 8 in buffer, containing micelles of (III), (IV), or (V).
ChemInform Abstract: Cerium(IV)‐Catalyzed Single Electron Transfer (SET) on Acenaphthene and 1,4‐Dihydronaphtho(1,8‐d,e) (1,2)diazepine: Chemical Evidence for Distinct Radical Cations.
Authors: ADAM W. , CASADO A. , MIRANDA M. A.
Published: May 2016

The question of whether the radical cations of acenaphthene (I) which are more naphthalene‐like in character (structure (II)) than benzylic (structure (VII)) may interchange with the benzylic structure (VII) is studied with the one‐electron‐transfer reagent system A) using acenaphthene (I) and azoalkane (VI) as radical cation precursors.
ChemInform Abstract: The Initiation of Acid‐Catalyzed Decomposition of Diazodiphenylmethane by Cation Radical Reactions.
Authors: BAKKE J. M. , BETHELL D. , PARKER V. D.
Published: May 2016

Results of a reinvestigation of the anodically initiated chain reaction of Ph2CN2 in dry MeCN or in solvents containing H2O or MeOH lead to the suggestion that H+ is the chain carrier.
ChemInform Abstract: Nonacidic Nitration of Secondary Amines.
Authors: BOTTARO J. C. , SCHMITT R. J. , BEDFORD C. D.
Published: May 2016

The trifluoroisopropyl nitrate (III) is prepared from the trifluoromethyl carbinol (I) and nitric acid (II).
ChemInform Abstract: Reaction of Bis(heptafluorobutyryl) Peroxide with Carbanions and a Thiolate Anion.
Authors: YOSHIDA M. , SHIMOKOSHI K. , KOBAYASHI M.
Published: May 2016

Perfluorobutyryl chloride (I) reacts with hydrogen peroxide to give the diacyl peroxide (II).
ChemInform Abstract: A Convenient Procedure for the Preparation of Ethoxyacetylene and Ethoxyethynyl Carbinols.
Authors: RAUCHER S. , BRAY B. L.
Published: May 2016

Treatment of the acetal (I) with lithium diethylamide generated in situ produces the lithium salt (II) which is hydrolyzed to form ethoxyacetylene (III).
ChemInform Abstract: A Convenient Synthesis of E‐β‐Farnesene.
Authors: POPPE L. , NOVAK L. , SZANTAY C.
Published: May 2016

3‐Methylenebutanol (I) is converted to a dianion by lithiation and is then coupled with geranyl bromide (II) to form the lithium alkoxide (III).
ChemInform Abstract: Dimethyl 2,3‐Dimethylenebutanedioate from Methyl Pyruvate and Methyl Acrylate.
Authors: GRUNDKE C. , HOFFMANN H. M. R.
Published: May 2016

The title compound (III) can be prepared from the ester (II) and methyl acrylate (I) in a one‐step procedure.
ChemInform Abstract: Ruthenium‐Catalyzed Selective Addition of Carboxylic Acids to Alkynes. A Novel Synthesis of Enol Esters.
Authors: MITSUDO T. , HORI Y. , YAMAKAWA Y. , WATANABE Y.
Published: May 2016

The carboxylic acids (I) are coupled with the alkynes (II) in the presence of bis(η5‐cyclooctadienyl)ruthenium to form the enol esters (III).
ChemInform Abstract: Synthesis of Stable Thioaldehydes: β‐Aminopropenethials from the Reaction of Primary and Secondary Amines with 4‐Aryl‐1,2‐dithiolylium Perchlorates.
Authors: ADELAERE B. , GUEMAS J.‐P. , QUINIOU H.
Published: May 2016

The title amines (II) and (V) react with the perchlorate (I) to afford the Z and E products (III) and (IV), respectively.
ChemInform Abstract: 4‐Amino‐1,2‐naphthoquinone Derivatives Derived from Psychopharmacologic Agents of the Desipramine‐Type. Quinon‐Amine Reactions. Part 23.
Authors: KALLMAYER H. J. , TAPPE C.
Published: May 2016

1,2‐Naphthoquinone‐4‐sulfonic acid sodium salt (I) reacts with the hydrochloride (II) of secondary methylamines to give the 4‐amino‐1,2‐ naphthoquinones (III).
ChemInform Abstract: A New Convenient Synthesis of 3(2H)‐Furanones.
Authors: ANTONIOLETTI R. , BONADIES F. , SCETTRI A.
Published: May 2016

The 2‐acylmethyl‐5‐methylfuranes (I) undergo oxidative fission with MCPBA to form the intermediate acyclic triketones (II) which cyclize to give the 3(2H)‐furanones (III).
ChemInform Abstract: Synthesis of Enones and Butenolides Using Organomanganese Pentacarbonyl Complexes.
Authors: DESHONG P. , SIDLER D. R. , SLOUGH G. A.
Published: May 2016

The organomanganese pentacarbonyl complexes (I) react with the alkynes (II) at elevated pressure to give the unsaturated complexes (III) which are reductively cyclized, producing the butenolides (IV).
ChemInform Abstract: Pivaloylation of N‐Methylpyrrole. Formation of a Novel 3,4‐Diacylation Product.
Authors: HARSANYI M. C. , NORRIS R. K.
Published: May 2016

N‐Methylpyrrole (I) reacts with pivaloyl chloride (II) in the presence of tin tetrachloride to produce a mixture of the C‐acylated derivatives (III).
ChemInform Abstract: Activation and Coupling of Pyrrole‐1‐carboxylic Acid in the Formation of Pyrrole N‐Carbonyl Compounds: Pyrrole‐1‐carboxylic Acid Anhydride.
Authors: BOGER D. L. , PATEL M.
Published: May 2016

Metalation of pyrrole (I), followed by reaction with carbon dioxide, gives the pyrrole‐1‐carboxylic acid (II), which is dehydrated with the carbodiimide (III) to produce its anhydride (IV).
ChemInform Abstract: Melatonin Derivatives. Part 1. Synthesis of N‐Succinyl‐6‐chloro‐5‐methoxytryptamine.
Authors: BATANDIER C. , MARSURA A. , LUU‐DUC C.
Published: May 2016

The chlorocresol (I) is nitrated and then methylated to yield the compound (II) which reacts with the dimethylformamide acetal (III), producing the dimethylaminoethylene derivative (IV).
ChemInform Abstract: Four Novel Phenyldithienoindole Isomers from the Oxidative Photocyclization of Dithienylpyrroles.
Authors: PERRINE D. M. , KAGAN J. , HUANG D.‐B. , ZENG K. , TEO B.‐K.
Published: May 2016

Stetter reaction of the α,β‐unsaturated ketones (I) with the aldehydes (II) in the presence of a thiazolium catalyst produces the diketones (III) which are cyclized with methylamine (IV), yielding the pyrroles (V).
ChemInform Abstract: New Efficient Synthesis of 3(5)‐Carbomethoxy‐4‐arylpyrazoles from 3‐Aryl‐2,3‐dehydroamino Acid Derivatives.
Authors: CATIVIELA C. , DIAZ DE VILLEGAS M. D. , GAINZA M. P.
Published: May 2016

The 2‐acetamidopropenoates (I) or the corresponding benzamido derivatives (II) perform a 1,3‐dipolar cycloaddition reaction with diazomethane, yielding the pyrazolines (III) or (IV).
ChemInform Abstract: A Novel Route to 1‐Vinyl‐1,2,4‐triazoles by the Fluoride‐Catalyzed Peterson Reaction of 1‐(Bis(trimethylsilyl)methyl)‐1,2,4‐triazole with Carbonyl Compounds.
Authors: SHIMIZU S. , OGATA M.
Published: May 2016

Reaction of the bissilylmethyl chloride (I) with the triazole (II) gives the bis(silyl)methyltriazole (III).
ChemInform Abstract: Remarkable Stabilizing Effects of Silyl Group on Furfuryl Chlorides and Furfuryl Grignard Reagents.
Authors: TAKANISHI K. , URABE H. , KUWAJIMA I.
Published: May 2016

The 5‐trimethylsilylfurfuryl carbinols (I) are converted to the chlorides (II) and the stable Grignard compounds (III).
ChemInform Abstract: Cycloadditions of Substituted Benzopyran‐4‐ones to Electron‐Rich Dienes: A New Route to Xanthone Derivatives.
Authors: CREMINS P. J. , SAENGCHANTARA S. T. , WALLACE. T. W. WALLACE. T. W.
Published: May 2016

Reactions of the pyranone systems (I)‐(III) with the dienes (IV) and/or (VIII) are investigated, (Ia) reacts with (IV) to give the primary adduct (V) which at higher temp. is readily deformylated to give the tricyclic products (VI).
ChemInform Abstract: A Psoralen‐Substituted Dioxetane as DNA Intercalator for Photogenotoxic Studies.
Authors: ADAM W. , BEINHAUER A. , FISCHER R. , HAUER H.
Published: May 2016

The benzofuran‐ and the coumarin‐substituted dioxetanes (IIIa) and (IIIb), resp., serve as model substances in the synthesis of the psoralen‐substituted dioxetane (IIIc).