bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: General Synthesis of Ketones from Carboxylic Esters and Carboxamides by Use of Mixed Organolithium‐Magnesium Reagents: Syntheses of Artemisia Ketone.
Authors: FEHR C. , GALINDO J. , PERRET R. 
Published: May 2016

AbstractThe title reagents convert the hardly or non‐enolizable esters (I), (XI), (XVI), and (XIX) into ketones, which are protected from further reaction by the formation of enolates.
ChemInform Abstract: Microwave Spectrum, Inversion, and Molecular Structure of Monofluoramine, FNH2.
Authors: CHRISTEN D. , MINKWITZ R. , NASS R. 
Published: May 2016

AbstractAnalysis of the microwave spectra of the new title molecule, generated by low temp. (‐30 °C) pyrolysis of the salt H3NF+HF2‐·nH2O, and its deuteriated isotopomers yields data on the molecular structure, dipole moment, quadrupole coupling, and barrier to inversion.
ChemInform Abstract: Reactions of NO3 and N2O5 with Molecular Species of Possible Atmospheric Interest.
Authors: CANTRELL C. A. , DAVIDSON J. A. , SHETTER R. E. , ANDERSON B. A. , CALVERT J. G. 
Published: May 2016

AbstractIn order to obtain more informations about the influence of the NO3 radical in tropospheric chemistry, the rate constant upper limits for the reaction of NO3 (and/or N2O5) with HCl, ClNO, H2S, NH3, N2O, MeCN and CH4 are determined.
ChemInform Abstract: Characterization of the Perhydroxytitanyl(2+) Ion in Acidic Aqueous Solution. Products and Kinetics of Its Decomposition.
Authors: ROTZINGER F. P. , GRAETZEL M. + 
Published: May 2016

AbstractPeroxotitanium(IV) is shown to have the composition Ti(O2)2+ and its stability constant has been determined.
ChemInform Abstract: Mechanism of the Reaction of Nitric Oxide, Ammonia, and Oxygen over Vanadia Catalysts. Part 1. The Role of Oxygen Studied by Way of Isotopic Transients under Dilute Conditions.
Authors: JANSSEN F. J. J. G. , VAN DEN KERKHOF F. M. G. , BOSCH H. , ROSS J. R. H. 
Published: May 2016

AbstractThe mechanism of the selective reduction of NO with NH3 in the presence of labeled oxygen has been investigated over a series of vanadia catalysts (unsupported V2O5, V2O5/TiO2, V2O5/Al2O3, and V2O5/SiO2‐Al2O3).
ChemInform Abstract: Determination of Stability Constants of Some Substituted 4‐Pyrazolone Dyes Containing o‐Methoxy, o‐Carboxy, and o‐Nitro Groups with Trivalent Lanthanoid Ions
Authors: EL‐SHETARY B. A. , STEFAN S. L. , ZIDAN F. I. , EL‐MARAGHY S. B. 
Published: May 2016

Abstract(such as La3+, Ce3+, Pr3+, Nd3+, and Sm3+‐Lu3+).
ChemInform Abstract: Dilithiation of α,β‐Disubstituted Activated Olefins: α,β‐Dilithiocinnamonitrile.
Authors: FEIT B.‐A. , HAAG B. , SCHMIDT R. R. 
Published: May 2016

AbstractThe cinnamonitriles (I) are treated with excess LDA to produce the α,β‐dilithio derivatives which are quenched with various electrophiles: deuteration with MeOD yields exclusively the trans dideuterocinnamonitrile (II).
ChemInform Abstract: Atom Transfer Cycloaddition. A Facile Preparation of Functionalized (Methylene)cyclopentanes.
Authors: CURRAN D. P. , CHEN M.‐H. 
Published: May 2016

AbstractSunlamp irradiation of the butynyl iodide (I) and the alkenes (II) in the presence of hexabutylditin affords mixtures of the exo‐cyclization products (E)‐ (III) and (Z)‐ (IV) and the endo‐cyclization products (V), the former being the main products.
ChemInform Abstract: Effect of Metal Ions in Organic Synthesis. Part 33. 2‐Hydroxy‐4‐pyrrolines as Stable Intermediates in the Synthesis of 1‐Aminopyrrole Derivatives.
Authors: ATTANASI O. A. , GROSSI M. , SERRA‐ZANETTI F. , FORESTI E. 
Published: May 2016

AbstractReaction of the azoalkenes (I) with the diketones or ketoesters (II) in the presence or absence of CuCl2 leads either to the pyrroles (III) or to the pyrrolines (IV); the latter are easily converted to (III).
ChemInform Abstract: Novel Synthesis of the Pyrrole Ring.
Authors: VOSHCHULA V. N. , DULENKO V. I. 
Published: May 2016

AbstractCondensation reaction of (meth)allyltosyl amide (I) with acetic anhydride (II) in the presence of perchloric acid yields the oxazolinium salts (III) which are hydrolyzed to give the substituted pyrroles (IV).
ChemInform Abstract: Synthesis and Antidepressant Properties of Novel 2‐Substituted 4,5‐Dihydro‐1H‐imidazole Derivatives.
Authors: WENTLAND M. P. , BAILEY D. M. , ALEXANDER E. J. , CASTALDI M. J. , FERRARI R. A. , HAUBRICH D. R. , LUTTINGER D. A. , PERRONE M. H. 
Published: May 2016

AbstractReaction of the benzo‐fused cycloalkanones (I) with the phosphonates (II) gives the intermediates (III) which react with the diamines (IV) and (VII), yielding the imidazolines (V) and the tetrahydropyrimidine derivative (VIII).
ChemInform Abstract: Direct Experimental Evidence for Cleavage of Both Exo‐ and Endocyclic C‐O Bonds in the Acid‐Catalyzed Reaction of Alkyl β‐Tetrahydropyranyl Acetals.
Authors: GUPTA R. B. , FRANCK R. W. 
Published: May 2016

AbstractConcrete experimental evidence is provided which demonstrates that in proton catalyzed solvolysis there is the possibility for both exo‐ and endocyclic C‐O bond cleavages of THP acetals.
ChemInform Abstract: Analogues of 3‐Ethyl‐3‐(4‐pyridyl)piperidine‐2,6‐dione as Selective Inhibitors of Aromatase: Derivatives with Variable 1‐Alkyl and 3‐Alkyl Substituents.
Authors: LEUNG C.‐S. , ROWLANDS M. G. , JARMAN M. , FOSTER A. B. , GRIGGS L. J. , WILMAN D. E. V. 
Published: May 2016

AbstractThe piperidinediones (VI), which inhibit human placental aromatase, are prepared by alkylation of the cyanide (I) with the alcohols (II), yielding (III), followed by phase‐transfer catalyzed addition reaction of acrylonitrile (IV) to form the dinitriles (V).
ChemInform Abstract: Synthesis of Pyrrole, Pyrrolo(3,4‐b)pyridine, and Pyrrolo(3,2‐b)pyridine Derivatives.
Authors: EL‐BANNANY A. A. A. , IBRAHIM L. I. 
Published: May 2016

AbstractEthyl benzylidenecyanoacetate (I) undergoes ring closure with hippuric acid (II) to give the pyrrolinone (III) which is coupled with acetylacetone (IVa), ethyl acetoacetate (IVb), malononitrile (VI), and ethyl cyanoacetate (VIII) to produce the pyrrolopyridines (V), (VII), and (IX).
ChemInform Abstract: Pyridonecarboxylic Acids as Antibacterial Agents. Part 9. Synthesis and Antibacterial Activity of 1‐Substituted 6‐Fluoro‐1,4‐dihydro‐4‐oxo‐7‐ (4‐pyridyl)‐1,8‐naphthyridine‐3‐carboxylic Acids.
Authors: NISHIMURA Y. , MATSUMOTO J. 
Published: May 2016

AbstractCoupling of the amine (I) with the malonate (II) gives the vinylic amine (III) which produces the pyridone (IV) on heating.
ChemInform Abstract: Synthesis and Thermolysis of Haloalkoxy(thio)‐sym‐triazines. Part 12. Synthesis and Some Transformations of 2‐Dialkylamino‐4‐oxo‐6‐cyanodihydrothiazolo‐sym‐triazines.
Authors: DOVLATYAN V. V. , ELIAZYAN K. A. , AZATYAN A. V. 
Published: May 2016

AbstractThe mercaptotriazines (I) react with 2,3‐dichloropropionitrile or 2‐chloroacrylonitrile to give the S‐alkylated triazines (IV).
ChemInform Abstract: A Silicon‐Nitrogen Analogue of the (PPN)+ Cation: Synthesis and Structural Characterization of the (Ph3SiNSiPh3)‐ Ion.
Authors: BARTLETT R. A. , POWER P. P. 
Published: May 2016

AbstractTreatment of the crowded disilylamine (III), prepared as shown from (I), with BuLi (IV) and the crown ether (V) results in the isolation of the complex (VI), which has the novel title anion as part of its crystal lattice.
ChemInform Abstract: Synthesis and Rearrangements of ortho‐Selenonium Phenoxides.
Authors: MARINO J. P. , DAX S. 
Published: May 2016

AbstractThe 2‐alkadienyl‐3‐methoxyphenols (I) react with diphenylselenium bis‐(trifluoroacetate) (II) to give the selenonium phenoxides (III) and/or the phenoxyphenyl selenides (IV).
ChemInform Abstract: Tetranuclear Iron‐Oxo Complexes. Synthesis, Structure, and Properties of Species Containing the Nonplanar (Fe4O2)8+ Core and Seven Bridging Carboxylate Ligands.
Authors: ARMSTRONG W. H. , ROTH M. E. , LIPPARD S. J. 
Published: May 2016

AbstractThe new title complexes (IV) are prepared and (IVa) is characterized by a crystal structure determination (space group P21, Z=2).
ChemInform Abstract: Improved Synthesis and Antitumor Activity of 1‐Deazaadenosine.
Authors: CRISTALLI G. , FRANCHETTI P. , GRIFANTINI M. , VITTORI S. , BORDONI T. , GERONI C. 
Published: May 2016

Abstract1‐Deazaadenosine (VI) is prepared from the N‐oxide (I) as shown in the reaction scheme.
ChemInform Abstract: Enantioselective Conversion of Anthranilic Acid Derivatives to Chiral Cyclohexanes. Total Synthesis of (+)‐Pumiliotoxin C.
Authors: SCHULTZ A. G. , MCCLOSKEY P. J. , COURT J. J. 
Published: May 2016

AbstractEnantioselective Birch reduction of the pyrrolobenzodiazepines (I) and subsequent protonation with NH4Cl leads to the cis‐ or trans‐fused products (II) or (III).
ChemInform Abstract: Investigation of Materials Based on Intermetallic Compounds (IMC) of the CeNi3‐CeCo3 System and a Polymeric Binding Material.
Authors: PETRII O. A. , SEMENENKO K. N. , KOROBOV I. I. , VASINA S. YA. , KOVRIGINA I. V. , BURNASHEVA V. V. 
Published: May 2016

AbstractElectrodes made of the title materials, using polytetrafluoroethylene as the binding material, are shown to interact with hydrogen in a similar way as an individual IMC does.
ChemInform Abstract: Formation of β‐LiFe5O8 from Aqueous Suspensions and Its Properties.
Authors: KIYAMA M. , KURATA T. , TAKADA T. 
Published: May 2016

AbstractThe products, obtained by aging (40‐90 °C) or by autoclaving (at ≥ 120 °C) of alkaline suspensions containing Fe(III) and excess LiOH, are identified by XRD, BET surface area measurements, and TEM.
ChemInform Abstract: Asymmetric Reduction of Ketones by the Complex of Lithium Aluminum Hydride with (‐)‐N‐(α‐Phenylethyl)ethylenediamine.
Authors: POTAPOV V. M. , GRACHEVA R. A. , SAVINA S. A. 
Published: May 2016

AbstractStarting from (‐)‐α‐phenylethylamine (‐)‐(I) the novel chiral title reagent (‐)‐(IV) is prepared.
ChemInform Abstract: Dinickel and Dicopper Complexes with N,N‐Linked Bis(cyclam) Ligands. An Ideal System for the Investigation of Electrostatic Effects on the Redox Behavior of Pairs of Metal Ions.
Authors: CIAMPOLINI M. , FABBRIZZI L. , PEROTTI A. , POGGI A. , SEGHI B. , ZANOBINI F. 
Published: May 2016

AbstractA novel family of bis(macrocycles) (Ib), (Id) is prepared starting with (II) which is obtained from cyclam.
ChemInform Abstract: 1,2‐Carbonyl Transposition with Concomittant Dehydrogenation in 1,5‐Dimethylbicyclo(3.3.0)octane‐3,7‐dione.
Authors: QUAST H. , HERKERT T. , KLAUBERT C. A. 
Published: May 2016

AbstractImprovements are reported for the conversion of the diketone (I) into the mixture of dienes (II) and (III).
ChemInform Abstract: Copper(I)‐Activated Addition of Grignard Reagents to Nitriles. Synthesis of Ketimines, Ketones, and Amines.
Authors: WEIBERTH F. J. , HALL S. S. 
Published: May 2016

AbstractCopper(I)‐catalyzed coupling of the nitriles (I) with the Grignard reagents (II) produces the intermediates (III).
ChemInform Abstract: Evaluation of Some Benzenesulfonylhydrazones of Aryl Aldehydes and Ketones as Antiepileptic Agents.
Authors: DIMMOCK J. R. , BRENNER J. M. , PHILLIPS O. A. 
Published: May 2016

AbstractThe substituted benzenesulfonylhydrazones (III) and (V) are prepared from the carbonyl compounds (I) and (IV) and the sulfonylhydrazines (II).
ChemInform Abstract: The Chemistry of Ethyl 2‐Ethoxycarbonyl‐5,5‐diphenylpenta‐2,3,4‐trienoate, a Potential Precursor of Ph2C=C=C=C=C=O.
Authors: BROWNE N. R. , BROWN R. F. C. , EASTWOOD F. W. , FALLON G. D. 
Published: May 2016

AbstractWittig reaction between (I) and (II) affords the title diester (III), which undergoes cyclization in conc.
ChemInform Abstract: Studies on Uricosuric Diuretics. Part 2. 6,7‐Dichloro‐4‐nitro‐, 6,7‐Dichloro‐4‐sulfamoyl‐, and 6,7‐Dichloro‐4‐acyl‐2,3‐dihydrobenzofuran‐2carboxylic Acids.
Authors: HARADA H. , MATSUSHITA Y. , YODO M. , NAKAMURA M. , YONETANI Y. 
Published: May 2016

AbstractDerivatives Studies on Uricosuric Diuretics.
ChemInform Abstract: Reaction of Hydrazonyl Chlorides and Carboalkoxymethylene Triphenylphosphoranes to Give 5‐Alkoxy Substituted Pyrazoles.
Authors: PADWA A. , MACDONALD J. G. 
Published: May 2016

AbstractThe hydrazonyl chloride (I) is coupled with the alkylidenephosphoranes (IIa) and (IIb) to form the pyrazoles (IIIa) and (IIIb).
ChemInform Abstract: Synthesis and Biological Activity of Thiazolo‐ and Phenylthiazolo‐2‐ (carboxamido)pyrazoline and ‐isoxazoline Derivatives.
Authors: MANDAL N. K. , SINHA R. , BANERJEE K. P. 
Published: May 2016

AbstractThe 2‐acetoacetamidothiazoles (I) are coupled with the aromatic aldehydes (II) to produce the unsaturated 1,3‐diketones (III) which are cyclized with hydrazine hydrate (IV) and acetic acid (V), phenylhydrazine (VII), or hydroxylamine hydrochloride (IX), yielding the title compounds (VI), (VIII), or (X).
ChemInform Abstract: Pyrrolocoumarin Derivatives as Potential Photoreagents Toward DNA.
Authors: RODIGHIERO P. , CHILIN A. , PASTORINI G. , GUIOTTO A. 
Published: May 2016

Abstract4‐Methyl‐7‐aminocoumarin (I) is converted to the hydrazine (II) which undergoes cyclocondensation with the ketones (III), (VII), or (VIII) to form the isomeric pyrrolocoumarin derivatives (V) and (VI) or (IX) and (X).
ChemInform Abstract: Heterocyclic Systems. Part 7. Synthesis of 1H‐Pyrazolo(3,4‐e)indolizine Derivatives.
Authors: STEFANCICH G. , CORELLI F. , MASSA S. , SILVESTRI R. , DI SANTO R. 
Published: May 2016

AbstractStarting with the 3‐pyrrolidinylpyrazole‐4‐carboxylate (I), the title compounds (VI) are prepared.
ChemInform Abstract: Reaction of 1,1‐Bis(bromomethyl)cyclopropane with Triphenylphosphine. An Example of Facile Nucleophilic Cleavage of the Three‐Membered Ring of Non‐Activated Cyclopropanes.
Authors: ZEFIROV N. S. , KUZNETSOVA T. S. , KOZHUSHKOV S. I. , POTEKHIN K. A. , MALEEV A. V. , STRUCHKOV YU. T. 
Published: May 2016

AbstractThe reaction between the title compounds (I) and (II) yields the ring‐opened product (III) instead of the expected 1,1‐bis(methyltriphenylphosphonium)cyclopropane dibromide.
ChemInform Abstract: Synthesis of Phosphacoumarins and Phosphonocoumarins. Two New Classes of Fluorescent Dyes.
Authors: CHEN C. H. , FOX J. L. , LIPPERT J. L. 
Published: May 2016

AbstractThe salicylaldehydes (I) and (V) react with triethyl phosphonoacetate (II) to give the cyclization products (III) and (IV) or (VI) and (VII).
ChemInform Abstract: Lewis Acidity of Germanium(II) in a η5‐closo‐Germacarborane: Synthesis and Structure of 1‐(2,2′‐Bipyridine)‐2,3‐bis(trimethylsilyl)‐2,3‐dicarba‐1‐germa‐closo‐heptaborane(6).
Authors: HOSMANE N. S. , SIRIWARDANE U. , ISLAM M. S. , MAGUIRE J. A. , CHU S. S. C. 
Published: May 2016

AbstractThe closo‐germacarborane (I) reacts with the Lewis base (II) to yield the air‐sensitive, crystalline title complex (III).
ChemInform Abstract: Oxidation/Reduction Chemistry of Iron Carbonyl Clusters Containing Germanium, Tin, or Lead: Crystal and Molecular Structures of (Et4N)2(Fe3(CO)9(μ3‐CO)(μ3‐Ge(Fe(CO)4))) and Pb(Fe2(CO)8)2.
Authors: WHITMIRE K. H. , LAGRONE C. B. , CHURCHILL M. R. , FETTINGER J. C. , ROBINSON B. H. 
Published: May 2016

AbstractIn the reaction of (I) with GeI2, (III) is produced along with (NEt4) (HFe(CO)11), while GeCl4 causes oxidation of (I) to give (V) with no evidence of formation of clusters.
ChemInform Abstract: Insertion of Manganese and Cobalt into Octaethylporphyrin N‐Oxide. Formation of Layered Diporphyrin Structures Joined Through M‐O‐N Links.
Authors: ARASASINGHAM R. D. , BALCH A. L. , OLMSTEAD M. M. , RENNER M. W. 
Published: May 2016

AbstractTreatment of octaethylporphyrin N‐oxide with Mn(II) acetate in ammoniacal MeOH (reflux, 24 h) or Co(II) acetate (25 °C) produces the metal(III) complex cations (I).
ChemInform Abstract: Single, Double, Triple, and Quadruple Arbuzov‐Like Demethylation of (Pt(P(OMe)3)4)2+.
Authors: BAO Q.‐B. , BRILL T. B. 
Published: May 2016

AbstractThe Pt complexes (I) and (VIII) in the presence of chloride undergo transformation to yield the single Arbuzov reaction products (II) and (IX), respectively.
ChemInform Abstract: Partial Syntheses of Diastereomeric Carotenols.
Authors: SLIWKA H.‐R. , LIAAEN‐JENSEN S. 
Published: May 2016

AbstractThe application of the Mitsunobu reaction is tested on (R,R)‐zeaxanthin (I), giving either the meso‐isomer (III) or the (S,S)‐isomer (VI).
ChemInform Abstract: Amino Acids and Peptides. Part 63. Peptide Synthesis via N‐ or O‐Activation of Amino Acids with 1,2‐Dihydro‐4,6‐dimethyl‐2‐thioxo‐3‐pyridinecarbonitrile. ‐ Synthesis of the 8‐11 Tetrapeptide Sequence of Cyclosporin.
Authors: SCHMIDT U. , POTZOLLI B. 
Published: May 2016

AbstractPeptides and N‐methyl peptides such as (V), (VI) or (XI) can be prepared nearly free of racemization by two methods.
ChemInform Abstract: The Synthesis of Novel Phospholipids Related to Ethylenediamine.
Authors: ANSON M. S. , MCGUIGAN C. 
Published: May 2016

AbstractSubstitution reaction of 2‐chloro‐1,3‐dimethyl‐1,3,2‐diazaphosphacyclopentane (I) with the alcohols (II) produces the phosphites (III) which are oxidized with dinitrogen tetroxide to give the phosphates (IV).
ChemInform Abstract: A New Dihydrothiazine Ring Closure for the Preparation of 3‐Methylcephalosporins from Azetidinone Disulfides at 5‐10 °C.
Authors: DAVIS M. , WU W.‐Y. 
Published: May 2016

AbstractOn treatment with NH4OAc the disulfides (I) are smoothly cyclized to give the title cephalosporins (II), while the free acid (III) reacts to afford the disulfide (IV).
ChemInform Abstract: Investigation of the Hydration of Zeolite NaA by Two‐Dimensional 23Na Nutation NMR.
Authors: TIJINK G. A. H. , JANSSEN R. , VEEMAN W. S. 
Published: May 2016

AbstractFrom two‐dimensional 23Na spectra of zeolite NaA as a function of water content the following can be concluded: In dry NaA two Na sites can be detected, at the 6‐rings and at the 8/4‐rings.
ChemInform Abstract: Facile Conversion of a Coordinated Nitro Group into an Aqua Group: Acid‐Induced Nitro‐to‐Nitrito Rearrangement.
Authors: JACKSON W. G. 
Published: May 2016

Abstract(NH3)5CoNO22+ reacts rapidly with pure anhydrous CF3SO3H yielding the aqua species (NH3)5CoOH23+.
ChemInform Abstract: Trivacant Heteropolytungstate Derivatives. Part 3. Rational Syntheses, Characterization, Two‐Dimensional 183W NMR, and Properties of P2W18M4(H2O)2O10‐ 68 and P4W30M4(H2O)2O16‐ 112 (M: Co, Cu, Zn).
Authors: FINKE R. G. , DROEGE M. W. , DOMAILLE P. J. 
Published: May 2016

AbstractA detailed description of the synthesis conditions for the title compounds are given.
ChemInform Abstract: Crystal Structure of a 1,4‐Dihydropyridine with Enantiomers Showing Opposite Effects on Calcium Channels: Structural Features of Calcium Channel Agonists and Antagonists.
Authors: FOSSHEIM R. 
Published: May 2016

AbstractWhile (S)‐(I) (space group Cc, Z=4) enhances Ca2+ influx across the cell membrane (agonist) the (R)‐enantiomer acts oppositely as an antagonist, causing relaxation of smooth muscle.
ChemInform Abstract: Synthesis and Reactions of Diazocarbonyl Compounds. Part 2. Reaction of Amino‐1‐diazoalkan‐2‐ones with Electrophilic Agents.
Authors: SIPYAGIN A. M. , KARTSEV V. G. 
Published: May 2016

AbstractThe reactions of the aminodiazoketones (I) with electrophilic agents, such as the anhydrides (II), various acid chlorides (e.g.
ChemInform Abstract: Asymmetric Reduction of Prochiral α,β‐Acetylenic Ketones with Potassium 9‐0‐(1,2: 5,6‐Di‐O‐isopropylidene‐α‐D‐glucofuranosyl)‐9‐boratabicyclo(3.3.1)nonane.
Authors: CHO B. T. , PARK W. S. 
Published: May 2016

AbstractChiral alcohols are obtained from the title reduction of the ketones (I), (III) and (V).
ChemInform Abstract: Reaction of 1‐Hydrazinoanthraquinone with Aryl or Alkyl Isocyanates.
Authors: LOSKUTOV V. A. , SAVEL'EV V. A. , KOMISSARUK O. V. 
Published: May 2016

AbstractReaction of the hydrazinoanthraquinone (II) with the isocyanates (I) gives the (1:1) adducts (III) or the (1:2) adducts (IV) depending on the molar ratio.
ChemInform Abstract: A Stereocontrolled Synthesis of 3‐(1′‐Hydroxyethyl)‐2‐azetidinones Through Trimethylsilyl Trifluoromethanesulfonate Catalyzed Condensation of Silyl Ketene Acetal Derived from Ethyl 4‐Hydroxybutyrate and Imine.
Authors: GUANTI G. , NARISANO E. , BANFI L. 
Published: May 2016

AbstractThe β‐hydroxy ester (I) is converted to the β‐siloxy silyl ketene acetal (III) which reacts with benzalaniline (IV), producing the α‐(aminobutyl)‐β‐siloxy ester (V) which is desilylated to give (VI).
ChemInform Abstract: Aroylnitrile Oxide Cyclizations. Part 1. Synthesis of (3‐Aroyl‐1,2,4oxadiazol‐5‐yl)acetic Acids.
Authors: TEGELER J. J. , DIAMOND C. J. 
Published: May 2016

AbstractThe nitrile oxides (II), prepared in situ from the hydroxamoyl chlorides (I), are coupled with malononitrile (III) to give the oxadiazoles (IV) which are converted to the derivatives (V) ‐ (VIII).
ChemInform Abstract: A Three‐Step Procedure for the Conversion of γ‐Lactones into δ‐Lactones.
Authors: THEIL F. , COSTISELLA B. , GROSS H. , SCHICK H. , SCHWARZ S. 
Published: May 2016

Abstractγ‐Lactones with a wide range of functional groups, e.g. (I), (VI), (VIII), (X), can be transformed to corresponding δ‐lactones such as (V), (VII), (IX), (XI) in a three‐step procedure as exemplified for (V) from (I).
ChemInform Abstract: Hydroxyalkanesulfonyl Chlorides from Chlorination of Hydroxyalkanesulfinate Salts in a Nonpolar Medium: 3‐Hydroxy‐1‐propanesulfonyl and 4‐Hydroxy‐1‐butanesulfonyl Chlorides.
Authors: KING J. F. , RATHORE R. 
Published: May 2016

AbstractSaponification of the sultones (I) gives the sulfinates (II) which are chlorinated to form the ω‐hydroxyalkanesulfonyl chlorides (III).
ChemInform Abstract: Formation of Pyridazino(6,1‐c) (1,4)oxazin‐8(7H)‐ones by Intramolecular Cycloaddition of Azoalkenes.
Authors: GILCHRIST T. L. , WASSON R. C. , KING F. D. , WOOTTON G. 
Published: May 2016

AbstractThe hydrazide (I) reacts with phenacyl chloride (III) to give the hydrazones (II).
ChemInform Abstract: Alkylation of Indole with β‐Aroylacrylic Acids and Some Studies on the Alkylated Products.
Authors: TAMAM G. H. , SOLIMAN E. A. , EL‐GENDY A. M. , EL‐KADY A. Y. 
Published: May 2016

AbstractThe α‐indolyl‐γ‐keto acids (III) are transformed into various heterocycles as shown in the reaction scheme.
ChemInform Abstract: Geminal Systems. Part 33. Reactions of 1,1‐Dialkoxyureas with Electrophilic and Nucleophilic Reagents and Synthesis of Cyclic 1,1‐Dialkoxyureas and NH‐Dialkoxyamines.
Authors: RUDCHENKO V. F. , SHEVCHENKO V. I. , KOSTYANOVSKII R. G. 
Published: May 2016

AbstractThe dimethoxyurea (II), prepared by acid‐catalyzed substitution of the benzyl derivative (I), reacts with acetyl chloride (III) to produce the N‐chlorourea (IV).
ChemInform Abstract: Behaviour of 4‐(3‐Oxo‐1,3‐diarylpropyl)‐1‐phenyl‐3,5‐pyrazolidinediones Towards Some Nucleophilic Reagents.
Authors: HAMED A. A. , SAYED G. H. , EL‐MOBAYED M. , GANOUB N. A. 
Published: May 2016

AbstractThe reactivity of the pyrazolidinediones (III) towards various nucleophiles is investigated.
ChemInform Abstract: Synthesis and Structure of Aromatic and Heterocyclic Tellurium Compounds. Part 27. p‐Bis(trichlorotelluryl)benzene and Some of Its Properties.
Authors: SADEKOV I. D. , RIVKIN B. B. , MAKSIMENKO A. A. , MINKIN V. I. 
Published: May 2016

AbstractReaction of the bis(trimethylsilyl)benzene (I) with tellurium tetrachloride (II) gives the mono‐ (IIIa) or disubstituted product (IV).
ChemInform Abstract: Synthesis and Structures of Cyclic Tristannadichalcogen Compounds.
Authors: PUFF H. , BREUER B. , SCHUH W. , SIEVERS R. , ZIMMER R. 
Published: May 2016

AbstractThe reaction of the cyclic stannane (I) with chalcogenes yields the cyclic five‐membered dichalcogenstannanes (II).
ChemInform Abstract: The Tungsten‐Tungsten Triple Bond. Part 13. Bisalkyl Tetracarboxylates of Dimolybdenum and Ditungsten. Triple Bonds Between Metal Atoms with the Valence Molecular Orbital Description π4δ2.
Authors: CHISHOLM M. H. , CLARK D. L. , HUFFMAN J. C. , VAN DER SLUYS W. G. , KOBER E. M. , LICHTENBERGER D. L. , BURSTEN B. E. 
Published: May 2016

AbstractFour synthetic procedures are developed for the preparation of the binuclear tetracarboxylate‐W compounds of the type (I).