bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Dioxygen Activation in the Photochemistry of Some Oxo‐metalloporphyrin Complexes.
Authors: BERGAMINI P. , SOSTERO S. , TRAVERSO O. , DEPLANO P. , WILSON L. J. 
Published: May 2016

AbstractUV‐Irradiation of the peroxo‐complexes (I) induces elimination of O2 and generation of the corresponding oxometalloporphyrins (II).
ChemInform Abstract: Sterically Hindered Metal Alkenyls. Part 1. Synthesis, Reactions, and Crystal and Molecular Structures of Some Palladium and Platinum σ‐Alkenyls.
Authors: CARDIN C. J. , CARDIN D. J. , PARGE H. E. , SULLIVAN A. C. 
Published: May 2016

AbstractThe σ‐alkenyl‐Pt and Pd complexes (II) are prepared from cis‐dichloro‐Pt or trans‐dichloro‐Pd complexes (I) and appropriate Li or Grignard reagents and incipient LiBr or MgBr2 as shown.
ChemInform Abstract: Thermolysis of NH4HCO3: A Simple Way to Free Carbonic Acid, H2CO3, in the Gas Phase.
Authors: TERLOUW J. K. , LEBRILLA C. B. , SCHWARZ H. 
Published: May 2016

AbstractMass spectrometric results indicate that thermolysis of NH4HCO3 results in the formation of the radical cation CH2O+· 3 (I), (m/z 62).
ChemInform Abstract: Chemical and Electrochemical Processes in the Electrochemical Synthesis of Binary Phosphide Precursors to ZnM(IV)P2 Materials.
Authors: COVINO J. , MCMANIS G. E. 
Published: May 2016

AbstractA variety of Zn, Zr, Si, and Ge binary phosphides have been electrochemically synthesized in general support of an effort directed toward improved synthetic routes to ternary phosphides of general formula ZnM(IV)P2.
ChemInform Abstract: The Diradical 2,3,5,6‐Tetramethylene‐1,4‐cyclohexanediyl (“1,2,4,5‐Tetramethylenebenzene”).
Authors: ROTH W. R. , LANGER R. , BARTMANN M. , STEVERMANN B. , MAIER G. , REISENAUER H. P. , SUSTMANN R. , MUELLER W. + 
Published: May 2016

AbstractThe "disjoint" diradical (X) with a conjugated non‐Kekule structure is obtained from both the ketone (VI) and the hexaene (IX).
ChemInform Abstract: Synthesis of Some Hydroxyazobenzene Ethers Using Allyl and Propargyl Halides.
Authors: SHUKUROV A. , NASIRDINOV S. D. , MAKHSUMOV A. G. , EDGAROV N. N. 
Published: May 2016

AbstractThe ethers (III) are synthesized from the azophenols (I) and propargyl chloride (IIa) or allyl bromide (IIb).
ChemInform Abstract: The Reaction Products of 2H‐Isoindole‐4,7‐dione Derivatives with 2‐Aminobenzenethiol.
Authors: NAN'YA S. , TANGE T. , MAEKAWA E. , UENO Y. 
Published: May 2016

AbstractThe benzoquinones (II) are coupled with the oxazolium‐5‐oxides (I) to produce the isoindole‐4,7‐diones (III).
ChemInform Abstract: The Synthesis of Pyrimido(4,5‐b)(1,4)diazocines and Pyrido(2,3‐b)(1,4)diazocines.
Authors: THOMPSON M. D. 
Published: May 2016

AbstractThe diaminopyrimidinedione (I) reacts with succinic anhydride (II) to form (III) which is cyclized, producing the diazocine (IV).
ChemInform Abstract: Tetranuclear Mixed‐Valence Manganese Complexes with Reduced TCNE or TCNQ as η4‐Bridging Ligands.
Authors: GROSS R. , KAIM W. 
Published: May 2016

AbstractTreatment of (η5‐C5MeR4)Mn(CO)2(THF) photolytically generated with equimolar amounts of TCNE or TCNQ leads to a spontaneous metal → ligand electron transfer and to the formation of the 1:1 products (I).
ChemInform Abstract: Reactions of Metal Carbonyl Cluster Complexes with Multidentate Phosphine Ligands; Preparation and Thermolysis of Bis(dimethylphosphino)methane Derivatives of (Ru3(CO)12), and the X‐Ray Crystal Structure of Cyclic (Ru3(CO)9(H)(Me2PCHPMe2)).
Authors: CLUCAS J. A. , FOSTER D. F. , HARDING M. M. , SMITH A. K. 
Published: May 2016

AbstractDirect reaction between the Ru‐carbonyl cluster (I) and bis(dimethylphosphino)methane leads to the diphosphine‐bridged derivatives (II) and (III).
ChemInform Abstract: LPCVD of Borophosphosilicate Glass from Organic Reactants.
Authors: WILLIAMS D. S. , DEIN E. A. 
Published: May 2016

AbstractA LPCVD process is described that produces uniform borophosphosilicate glass films of B concentrations in the range 1‐4 wt.% and P concentrations of 2‐5 wt.% using tetraethoxysilane, trimethylborate, and trimethylphosphite as Si, B, P sources.
ChemInform Abstract: Studies of Potassium Tungsten Bronzes Containing Lithium or Sodium.
Authors: HUSSAIN A. , KIHLBORG L. 
Published: May 2016

AbstractMyKxWO3 compounds with M: Li or Na have been prepared from the corresponding oxides in closed ampoules at 500‐850 °C. Intergrowth tungsten bronzes (ITB) containing significant amounts of Li or Na could not be prepared.
ChemInform Abstract: Asymmetric Oxidation of 1,3‐Dithiolanes. A Route to the Optical Resolution of Carbonyl Compounds.
Authors: BORTOLINI O. , DI FURIA F. , LICINI G. , MODENA G. , ROSSI M. 
Published: May 2016

AbstractThe ketones (I) react with the dimercaptans (II) to give the dithioacetals (III).
ChemInform Abstract: Hydrogenolysis of Small Cycloalkanes. Part 15. Hydrogenation of Dispiro(2.2.2.2)deca‐4,9‐diene.
Authors: KIWUS R. , SCHWARZ W. , ROSSNAGEL I. , MUSSO H. 
Published: May 2016

AbstractHydrogenation of the title compound (I) is influenced by the catalyst and yields the dispirodecane (II) or 1,4‐diethylbenzene (IV) as major products.
ChemInform Abstract: Hydrogenolysis of Small Cycloalkanes. Part 16. Selective Catalytic Hydrogenation of Dispiro(cyclopropane‐1,3′‐tricyclo(5.2.1.02,6)deca‐4,8‐diene‐10′,1′′‐cyclopropane).
Authors: LANG P. , MUSSO H. 
Published: May 2016

AbstractThe cyclopropane rings of the title compound (I) are opened on hydrogenation and compound (IIa) is obtained as major product.
ChemInform Abstract: Synthesis of New High Molecular Weight Cyclic Fluorocarbons and Highly Branched Fluorocarbons Such as Perfluoro‐3,3‐diethylpentane.
Authors: HUANG H.‐N. , LAGOW R. J. 
Published: May 2016

AbstractThe title compounds (II), (IV), (V), (VII), and (IX) (together with its by‐product (X)) are synthesized by carefully controlled elemental fluorination of the substrates (I), (III), (VI), or (VIII).
ChemInform Abstract: Nucleophilic Radicalic Chain Substitution (SRN1) Reaction. Part 16. N‐Alkylation of Imidazole, Benzimidazole, Pyrazole, and Triazole.
Authors: BEUGELMANS R. , LECHEVALLIER A. , KIFFER D. , MAILLOS P. 
Published: May 2016

Abstractp‐Nitrobenzylchloride (I) and the nitro halides (II) and (III) react with imidazole (IVa), benzimidazole (Va) or pyrazole (VIa) to give the expected substitution products (IVb) ‐ (IVd), (Vb), (Vd), (VIb), and (VId).
ChemInform Abstract: A Remarkable Steric Effect in Palladium‐Catalyzed Grignard Coupling: Regio‐ and Stereoselective Monoalkylation and ‐arylation of 1,1‐Dichloro‐1‐alkenes.
Authors: MINATO A. , SUZUKI K. , TAMAO K. 
Published: May 2016

AbstractThe regio‐ and stereoselective monoalkylation of the dichloroalkenes (I) with the Grignard or organozinc reagents (II) is achieved in the presence of the (PdCl2(dppb)) catalyst to give the disubstituted olefins (III).
ChemInform Abstract: Synthesis and Reactions of a Perfluoroalkyl Ether Grignard Reagent Containing a Functional Ester Group.
Authors: CHEN L. S. , CHEN G. J. , RYAN M. T. , TAMBORSKI C. 
Published: May 2016

AbstractThe title Grignard compound (III) is prepared by reacting the iodofluoroalkyl ether (I) with ethylmagnesium bromide (II).
ChemInform Abstract: A Novel Synthesis of Tetrasubstituted Fluoroolefins via Eliminative Nucleophilic Addition of β‐Ketophosphonium Salts.
Authors: SHEN Y. , QIU W. 
Published: May 2016

AbstractThe phosphonium iodides (IV), obtained directly or prepared from the bromides (I) by dehydrobromination and methylation, are converted to the ylides (V) which react with the perfluorocarboxylic acid anhydrides (VI), yielding the salts (VII).
ChemInform Abstract: Regio‐ and Stereoselective Rearrangements of Stereoisomeric 7‐Oxirylbicyclo(4.2.0)octan‐7‐ols.
Authors: HWANG C.‐S. , REUSCH W. 
Published: May 2016

AbstractThe diastereomeric epoxides (IV) and (VIII), derived from the cyclobutanone (I), are transformed into the bromohydrins (IX) and (X).
ChemInform Abstract: Asymmetric Synthesis of 4‐Acetoxy‐3‐hydroxyethylazetidin‐2‐one, a Key Intermediate for the Preparation of Penem and Carbapenem Antibiotics.
Authors: KAMETANI T. , CHU S.‐D. , HONDA T. 
Published: May 2016

AbstractBenzylhydroxylamine (I) is coupled with L‐(‐)‐menthyl glyoxalate hydrate (II), producing the chiral nitrone (III) which is converted to the protected azetidinone (IX) as shown in the reaction scheme.
ChemInform Abstract: Reformatsky Reaction of Ethyl α‐(Bromomethyl)acrylate with Acid Chlorides and Nitriles.
Authors: EL ALAMI N. , BELAUD C. , VILLIERAS J. 
Published: May 2016

AbstractReformatsky reaction of the bromomethylacrylate (III) with the acid chlorides (II) yields the α‐methylene‐γ‐lactones (I).
ChemInform Abstract: Synthesis and Pharmacological Investigation of α‐Substituted Pyrrolo Derivatives.
Authors: DE MICHELI C. , DE AMICI M. , PLATINI F. , DELLA BELLA D. 
Published: May 2016

AbstractStarting with the N‐sulfonylpyrrolyl haloalkyl ketones (I), the pyrrolylaminoethanoles (IV) are obtained.
ChemInform Abstract: New Heterocyclic Derivatives of Benzimidazole with Germicidal Activity. Part 3. Synthesis and Activity of Derivatives of (5′‐Formylfuryl‐2′)‐ 2‐benzimidazole, Variously Substituted in Position 5.
Authors: ALUNNI BISTOCCHI G. , DE MEO G. , PEDINI M. , RICCI A. , BASTIANNI L. , SPOSINI T. , SBARAGLIA G. , JACQUIGNON P. 
Published: May 2016

AbstractThe furyl‐2‐benzimidazoles (III) are prepared by reaction of the o‐phenylenediamines (I) with 5‐hydroxymethylfurfural (II).
ChemInform Abstract: Synthesis of Fatty 2‐Oxazoline Based on Fatty Methyl 2,3‐Epoxy Ester.
Authors: ANSARI M. H. , AHMAD M. 
Published: May 2016

AbstractThe epoxyester (I) is refluxed with acetamide (II) to yield the isomeric oxazolines (III) and (IV), together with the hydroxyesters (V) and (VI).
ChemInform Abstract: Further Intramolecular Diels‐Alder Reactions of 1,2,4‐Triazines. Synthesis of Dihydropyrrolo(2,3‐b)pyridines.
Authors: TAYLOR E. C. , PONT J. L. 
Published: May 2016

AbstractThe α‐dicarbonyl compounds (I) react with the S‐methylthiosemicarbazide (II) to produce the 3‐thiomethyl‐1,2,4‐triazines (III) which are oxidized to form the sulfones (IV).
ChemInform Abstract: Thermal Stability of cis‐Oxadiaziridines. An Example of Anchimerically Assisted Ring Opening.
Authors: SQUILLACOTE M. E. , BERGMAN A. , DE FELIPPIS J. , WEST E. M. 
Published: May 2016

AbstractIrradiation of the N‐oxides (I) at a low temperature produces a photoequilibrium of the isomers (II) and (III).
ChemInform Abstract: Synthesis and Properties of New 3‐Acyl‐ and 3‐Carbamoyl Derivatives of Esters of 3H‐2‐Imino‐7‐methyl‐4‐oxopyrido(3,2‐e)‐1,3‐thiazine‐5‐ and ‐6‐carboxylic Acids.
Authors: SLADOWSKA H. , BARTOSZKO‐MALIK A. , ZAWISZA T. 
Published: May 2016

AbstractReaction of the pyrido‐1,3‐thiazine carboxylates (I) with the acyl anhydrides or chlorides (II) produces the 3‐acyl derivatives (III).
ChemInform Abstract: Small and Medium Rings. Part 59. Diazepinones from Sydnones and Isopropylidenecyclobutenone. Extension of the Frontier Molecular Orbital Model for Sydnone Cycloadditions.
Authors: MAIS F.‐J. , DICKOPP H. , MIDDELHAUVE B. , MARTIN H.‐D. , MOOTZ D. , STEIGEL A. 
Published: May 2016

AbstractThe N‐phenyl and dialkyl sydnones (I) react with the cyclobutenone (II) on heating in toluene to give the dihydrodiazepin‐5‐ones (III) whereas the analogues (V) together with their isomeric 4‐ones (VI) are obtained from the reaction of the N‐alkyl C‐hydrogen sydnones (IV).
ChemInform Abstract: Chemistry of Pyrrocorphins: Biomimetic Regioselectivity of C‐Methylation at the Ligand Periphery of Magnesium(II) Uropyrrocorphinate (Type I)‐octanitriles.
Authors: LEUMANN C. , FRUEH T. + , GOEBEL M. + , ESCHENMOSER A. 
Published: May 2016

AbstractThe position with the acetonitrile side chain is preferentially methylated if (I) (only one configurational isomer shown in the scheme) is complexed with Mg2+ and allowed to react with MeI.
ChemInform Abstract: Preparation of Isocyanide and Mixed Dinitrogen‐Isocyanide Complexes of Rhenium(I) from Reactions of trans‐(ReCl(N2)(PMe2Ph)4), mer‐(Re(S2PPh2)(N2)(PMe2Ph)3), or mer‐(Re(S2CNEt2)(N2)(PMe2Ph)3) with Methyl Isocyanide; Crystal Structure of mer‐(Re(S2PPh2)(N2)(CNMe)(PMe2Ph)3).
Authors: POMBEIRO A. J. L. , HITCHCOCK P. B. , RICHARDS R. L. 
Published: May 2016

AbstractTreatment of a THF solution of the title complexes (I) or (III) with CNMe affords the mixed N2‐CNMe complexes (II) or (IV) and (V) as well as (VI).
ChemInform Abstract: Inclusion Complexes Involving a Novel Ligand Superstructure: Dioxygen Adducts and Other Derivatives of Retro‐Bridged Cyclidene Iron, Cobalt, and Nickel Complexes.
Authors: CAMERON J. H. , KOJIMA M. , KORYBUT‐DASZKIEWICZ B. , COLTRAIN B. K. , MEADE T. J. , ALCOCK N. W. , BUSCH D. H. 
Published: May 2016

AbstractBy combining the new retro‐bridge with the previously known bridging reaction, both lacunar and vaulted doubly bridged cyclidene Ni(II) complexes (VIa)‐(VIc) and (VId)‐(VIg) are prepared as shown in the scheme.
ChemInform Abstract: Transition‐Metal Complexes of Superstructured Cyclidene Macrobicycles: Structural Features and Their Chemical Consequences. Part 1. Complexes of the Unbridged Cyclidene Ligands and of Precursor Ligands.
Authors: ALCOCK N. W. , LIN W.‐K. , JIRCITANO A. , MOKREN J. D. , CORFIELD P. W. R. , JOHNSON G. , NOVOTNAK G. , CAIRNS C. , BUSCH D. H. 
Published: May 2016

AbstractThe structures of the unbridged cyclidene complexes (Ia) (space group P1, Z=2), (Ib) (Pnma, Z=4), (Ic) (P1, Z=2), (Id) ( P21/n, Z=2), (II) (Pbcm, Z=4), (IIIa) (P21/m, Z=2), and (IIIb) (P1, Z=2) are determined by X‐ray analysis and discussed considering chemical consequences.
ChemInform Abstract: Synthesis of Perfluoroalkyl Steroids as Co‐Emulsifying Agents for 1‐Bromoperfluorooctane and Other Perfluoro Compounds.
Authors: SHARTS C. M. , MALIK A. A. , EASDON J. C. , KHAWLI L. A. , LONG D. M. , SHELLHAMER D. F. , BURTON V. L. , PORTER M. K. , SPRAGUE L. F. 
Published: May 2016

AbstractThe 7α‐perfluorocholesteryl benzoate (III) is prepared by reaction of a mixture of α‐ and β‐7‐bromocholesteryl benzoate (I) with perfluoroalkylcopper (II).
ChemInform Abstract: Synthesis of Diepoxides and Diaziridines, Precursors of Enantiomerically Pure α‐Hydroxy‐ and α‐Amino Aldehydes or Acids, from D‐Mannitol.
Authors: LE MERRER Y. , DUREAULT A. , GRECK C. , MICAS‐LANGUIN D. , GRAVIER C. , DEPEZAY J.‐C. 
Published: May 2016

AbstractD‐Mannitol (I) yields the monoacetonides (II) and (III) which are converted to the chiral diepoxides (IV) and (VI) and to the optically active diaziridines (VII) and (VIII).
ChemInform Abstract: High‐Temperature Synthesis of Calcium Sulfoaluminate from Phosphogypsum.
Authors: VALENTI G. , SANTORO L. , GAROFANO R. 
Published: May 2016

AbstractGypsum containing the impurities P2O5, SiO2, F, and Na (phosphogypsum) is shown to be of advantage for the production of cements based on 3 CaO·3 Al2O3·CaSO4 (calcium sulfoaluminate), which is of interest in the fields of rapid‐hardening, expansive and energy‐saving hydraulic binders.
ChemInform Abstract: Magnetic Properties of Ti3‐xMxO5 Phases (M: V3+, Cr3+, Nb4+).
Authors: MUELLER‐BUSCHBAUM HK. + , WERTHMANN U. 
Published: May 2016

AbstractA decrease of the magnetic transition temp. is observed for V3+ and Cr3+, whereas Nb4+ shifts the phase‐transition towards higher temperatures.
ChemInform Abstract: The Role of Magnesium Segregation in the Intergranular Stress Corrosion Cracking of Aluminium Alloys.
Authors: SCAMANS G. M. , HOLROYD N. J. H. , TUCK C. D. S. 
Published: May 2016

AbstractTheoretical and experimental results give evidence of both equilibrium and non‐equilibrium segregation of Mg, which depends on the solution heat treatment temperature.
ChemInform Abstract: An EXAFS Study of the Co‐Mo/γ‐Al2O3 Hydrodesulfurization Catalyst.
Authors: SANKAR G. , VASUDEVAN S. , RAO C. N. R. 
Published: May 2016

AbstractIn sulfided 4:12 Co‐Mo/Al2O3 catalysts the Mo environment is found to be similar to that in bulk MoS2.
ChemInform Abstract: Preparation of Nickel(II)‐Hydroxide‐(Sodium Fluoride Tetrasilicic Mica) Intercalation Complexes and Formation of Ultra Fine Nickel Particles by H2 Reduction.
Authors: OHTSUKA K. , SUDA M. , ONO M. , TAKAHASHI M. , SATO M. , ISHIO S. 
Published: May 2016

AbstractA series of title complexes has been prepared by titration of a Ni(NO3)2 solution in the presence of NaMg2.5Si4O10F2 with NaOH varying the OH to Ni molar ratio from 0 to 1.0, and the thermal stability of the complexes in air and in a H2 flow have been investigated.
ChemInform Abstract: Inverse Phase‐Transfer Catalysis: Probing Its Mechanism with Competitive Transacylation.
Authors: FIFE W. K. , XIN Y. 
Published: May 2016

AbstractAnhydrides (V) are formed concurrently from the mixture (IVa)/(IVb) and (III), and their product ratios correspond closely to the ratios of reactant (IV), indicating reactions in both bulk aqueous phase and at the water/CH2Cl2 interface.
ChemInform Abstract: Reaction of Lithium 2‐Pyridyloxyalkylcuprates Having Improved Thermal Stability with Acid Chlorides and α,β‐Unsaturated Ketones.
Authors: LEE P. H. , SHIM S. C. , KIM S. 
Published: May 2016

AbstractThe new title species (III), prepared from the pyridinol (I), is shown to exhibit improved stability and it reacts with chlorides (IV) to give the corresponding ketones (V).
ChemInform Abstract: Photochemical Generation of 1,1′‐Ethylenebis(pyridinyl) Diradical from Its Cyclomers.
Authors: MURAMATSU T. , HANAYA K. , IKEGAMI Y. 
Published: May 2016

AbstractReduction of 1,1'‐ethylenebis(pyridinium)dibromide (I) with sodium amalgam yields the cyclomers (II) which are photolytically transformed into the diradical (III).
ChemInform Abstract: Regio‐ and Stereoselective Oxidation of gem‐Dimethyl Olefins via (2,3)‐ Sigmatropic Rearrangement of Allyl Amine Oxides.
Authors: INOUE S. , IWASE N. , MIYAMOTO O. , SATO K. 
Published: May 2016

AbstractThe olefins (I) are converted to the allylic chlorides (II) which are aminated and then oxidized, yielding the N‐oxides (IV).
ChemInform Abstract: A Simple Conversion of Alcohols into Amines.
Authors: FABIANO E. , GOLDING B. T. , SADEGHI M. M. 
Published: May 2016

AbstractThe amines (VI) and the ammonium chlorides (VII) respectively are prepared from the alcohols (I) by treatment with hydrazoic acid (II), triphenylphosphine (III), and the azodicarboxylate (IV) and subsequent hydrolysis of the intermediate aminophosphorane (V).
ChemInform Abstract: Oxocarbons and Related Compounds. Part 12. A Simple and Efficient Synthesis of 3‐Hydroxy‐3‐cyclobutene‐1,2‐dione (“Semisquaric Acid”; “Moniliformin”) and Its Reaction with Amines.
Authors: SCHMIDT A. H. , MAIBAUM H. 
Published: May 2016

AbstractSemiquaric acid (IV) is prepared from squaric acid (I) in three steps outlined in the reaction scheme.
ChemInform Abstract: Intermediates of Prostanoid Synthesis: Stereospecific Conversion of (+)‐5β‐Hydroxycyclopenten‐2‐yl‐1β‐acetic Acid γ‐Lactone into (+)‐1β‐Methoxycarbonylmethyl‐2β,3β‐(p‐nitrobenzylidene)‐dioxycyc# lopentan‐5‐one.
Authors: FREIMANIS J. , GERCA L. , TUROVSKIS I. , LIEPINS E. , LOLA D. , MISHNEV A. , BUNDULE M. , BLEIDELIS J. 
Published: May 2016

AbstractThe title compound (I) is converted stereospecifically to the diol (II).
ChemInform Abstract: Azidocubanes. Part 1. Photolysis: Formation of a Homoprismyl Nitrile.
Authors: EATON P. E. , HORMANN R. E. 
Published: May 2016

AbstractFrom the known carboxylic acid (Ia) the aminocubane (Ib) was made according to the literature by using the Yamada approach to the Curtius rearrangement (no details given).
ChemInform Abstract: Synthesis and Determination of the Enantiomeric Purity of (R)‐ and (S)‐2,3‐Dihydroxy‐3‐methylbutyl p‐Toluenesulfonate.
Authors: SCHROETTER E. + , HAUSER A. , HAMANN H.‐J. , SCHICK H. , SCHOENECKER B. + 
Published: May 2016

AbstractAn improved method for the syntheses of the title compounds (VIa) and (VIb) and of the racemate (VIc) is described.
ChemInform Abstract: Photolytic Synthesis of N‐(2‐Ethylbutyryl)‐N′‐substituted Imidodicarbonic Diamides.
Authors: BARTON H. J. , PALUCHOWSKA M. H. , MOKROSZ J. L. , SZNELER E. 
Published: May 2016

AbstractPhotolysis of 5,5‐diethylhexahydropyrimidinetrione (I) generates the isocyanate (II) which reacts with the amines (III), yielding the title compounds (IV).
ChemInform Abstract: Synthesis and Molecular Structure of (Z)‐(6)Paracycloph‐3‐enes.
Authors: TOBE Y. , UEDA K. , KANEDA T. , KAKIUCHI K. , ODAIRA Y. , KAI Y. , KASAI N. 
Published: May 2016

AbstractDetailed conformational studies are undertaken with the title compounds (Xa), (Xb)/(Xc), (Xd), the smallest bridged (n)paracyclophanes with a double bond in the bridge.
ChemInform Abstract: Efficient Synthesis of Indoloquinone Derivative by Several Oxidative Derivations of 6‐Methylindole.
Authors: NAKATSUKA S. , UEDA K. , ASANO O. , GOTO T. 
Published: May 2016

AbstractThe o‐quinone (V), derived from 6‐methylindole (I), is transformed into the quinone (VII), which is related to mitomycin A (VIII).
ChemInform Abstract: Reaction of L‐Tryptophan with Alkyl Isocyanates.
Authors: BRANA M. F. , GARRIDO M. , LOPEZ RODRIGUEZ M. L. , MORCILLO M. J. 
Published: May 2016

AbstractL‐Tryptophan (I) reacts with the isocyanates (II) to give the hydantoins (III).
ChemInform Abstract: H2‐Antihistaminics. Part 34. 1,3,4‐Oxadiazole‐2,5‐diamines with H2‐Antagonistic Activity.
Authors: KRAEMER I. + , SZELENYI I. , SCHUNACK W. 
Published: May 2016

AbstractThe diamino‐1,3,4‐oxadiazoles (III) and (VII) are prepared from the semicarbazide (I) as shown in the reaction scheme.
ChemInform Abstract: Benzo(c)(1,2,5) thiadiazoles from Primary Aromatic Amines and 1,3,5‐Trichloro‐1,3,5,2,4,6‐trithiatriazine.
Authors: DOMSCHKE G. , HEIMBOLD I. 
Published: May 2016

AbstractThe amines (Ia) react with the trichloro compound (II) to afford exclusively the title thiadiazoles (IVa).
ChemInform Abstract: Reaction of Benzamide Oxime Derivatives with Chlorocarbonylsulfenyl Chloride.
Authors: KAWASHIMA E. , ANDO Y. , TAKADA T. , TABEI K. 
Published: May 2016

AbstractThe benzamidoximes (I) are cyclized with chlorocarbonylsulfenyl chloride (II) to form the dihydrothiadiazolones (III) and the dihydrooxadiazolones (IV), together with the by‐products (V) and (VI).
ChemInform Abstract: A Convenient Two‐Step Synthesis of 3‐Allylcoumarins and Their Benzo Derivatives.
Authors: MALI R. S. , TILVE S. G. , YEOLA S. N. , MANEKAR A. R. 
Published: May 2016

AbstractWittig reaction of the phosphorane (II), derived from the ester (V), with the 2‐hydroxybenzaldehydes (I) yields the unsaturated esters (III) which are thermally or photolytically cyclized to produce the 3‐allylcoumarins (IV).
ChemInform Abstract: Amino Alcohols in the Acetylene Series. Part 9. 3,3‐Diphenyl‐3‐hydroxypropinyl Substituted Quinuclidines.
Authors: LIBMAN N. M. , KUZNETSOV S. G. , GORCHAKOV V. S. , GOLIKOV S. N. , LEBEDEVA D. P. 
Published: May 2016

AbstractThe acetylenic compounds (III), synthesized as shown in the reaction scheme, are coupled with benzophenone (VIII) to give the carbinols (IX).
ChemInform Abstract: Synthesis of (1,2,4)Triazolo(1,5‐a)pyrimidinium‐2‐olates and Structure Elucidation of Their 1:2 Adducts with Dimethyl Acetylenedicarboxylate.
Authors: MARLEY H. , MCCULLOUGH K. J. , PRESTON P. N. , WRIGHT S. H. B. 
Published: May 2016

AbstractCyclization of the carbamoyl chlorides (I) yields the betaines (II).
ChemInform Abstract: Synthesis and Biological Properties of (3‐Methyl‐7‐alkylxanthinyl‐8)thioacetic Acids Derivatives.
Authors: PRIIMENKO B. A. , ROMANENKO N. I. , FEDULOVA I. V. , ORESTENKO L. P. , CHERVINSKII A. YU. , GARMASH S. N. 
Published: May 2016

AbstractThe bromoxanthines (I) react with mercaptoacetic acid (II) to give the xanthinylmercaptoacetic acids (III).
ChemInform Abstract: Quinoxalines. Part 24. Synthesis of 4‐Substituted 1,2,3‐Triazolo(1,5‐a)quinoxalines.
Authors: VOGEL M. , LIPPMANN E. 
Published: May 2016

AbstractThe 3‐substituted quinazoline‐2‐carbaldehydes (I) are converted to the thermolabile tosyl hydrazones (II).