bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Enantioselective Synthesis of Primary Amines via Grignard Additions to Stereogenic N‐(α‐Phenyl‐β‐(benzyloxy)ethyl)nitrones.
Authors: CHANG Z.‐Y. , COATES R. M. 
Published: May 2016

AbstractReaction of the optically pure (S)‐nitrone (I) with the Grignard agent (II) and subsequent treatment with methyl chloroformate (V) yield the acylated hydroxylamines (VI) and (VII).
ChemInform Abstract: Secondary Reactions of Sulfenes from Sulfonyl Chlorides and Tertiary Amines. Part 1. On the Competing Formation of Sulfene‐Trialkylamine S,N‐ and C,N‐Adducts.
Authors: OPITZ G. , RIETH K. , EHLIS T. 
Published: May 2016

AbstractSulfenes such as (III) or (VII) derived from the sulfonyl chlorides (I) or (VI) react with tert. amines such as (II) to give either S,N‐adducts such as (IV) or C,N‐adducts such as (VIII).
ChemInform Abstract: A New Five‐Membered Ring Annulation Method Based on Pd(0)‐Catalyzed Intramolecular Coupling of Vinyl Iodide and Enolate Anion Functions.
Authors: PIERS E. , MARAIS P. C. 
Published: May 2016

AbstractConjugate addition of the cuprate reagent derived from 4‐iodo‐2‐(trimethylgermyl)‐1‐butene (I) to cyclic enones such as (II) yields the germylbutenylated derivatives, e.g. (III), which are further converted to iodides, e.g. (IV).
ChemInform Abstract: Convenient Routes to Substituted Benzimidazoles and Imidazolo(4,5‐b)pyridines Using Nitrobenzene as Oxidant.
Authors: YADAGIRI B. , LOWN J. W. 
Published: May 2016

AbstractCyclocondensation of the vicinal diamino(het)arenes (I) with the aromatic aldehydes (II) in nitrobenzene yields the fused imidazoles (III) mentioned in the title.
ChemInform Abstract: Fused Dihydropyrimidines by a Tandem Aza‐Wittig ‐ Heterocumulene‐Mediated Annulation Reaction: Synthesis of 4,5‐Dihydropyrazolo(3,4‐d)pyrimidine Derivatives.
Authors: MOLINA P. , ARQUES A. , VINADER M. V. 
Published: May 2016

AbstractHydride reduction of the phosphoranylideneaminopyrazolecarboxaldimine (I) yields the amine (II) which is cyclized with the isocyanates (III) to produce the pyrazolopyrimidines (IV).
ChemInform Abstract: Synthesis and Complexation Studies of Mesocyclic and Macrocyclic Polythioethers. Part 3. Synthesis and Complexation Studies of Ten‐Membered‐Ring Trithioethers.
Authors: SETZER W. N. , CACIOPPO E. L. , GUO Q. , GRANT G. J. , KIM D. D. , HUBBARD J. L. , VANDERVEER D. G. 
Published: May 2016

AbstractThree trithioethers, (I), the unsubstituted 1,4,7‐trithiacyclodecane (both prepared by published methods) and (VI) are studied as potential ligands for the complexation of transition‐metals and heavy‐metals (Pb, Hg).
ChemInform Abstract: Syntheses of New Organo‐Lanthanoid Complexes ((CH3OCH2CH2C5H4)2LnCl)2 and Their XPS.
Authors: DENG D. , LI B. , QIAN C. 
Published: May 2016

AbstractThe title compounds (Ln: La, Nd, Gd, Ho, Er, Yb, Y) are obtained with 49‐70% yield by reaction of LnCl3 with sodium 2‐methoxyethylcyclopentadienide in THF and characterized by IR, XPS, MS, and NMR spectroscopy.
ChemInform Abstract: New Niobium Complexes with Alkynes. Part 6. Two Compounds Containing Nb2(PhCC(Ph)C(Ph)CPh) Units Joined in Unorthodox Ways.
Authors: COTTON F. A. , SHANG M. 
Published: May 2016

AbstractThe two new compounds, (II) (P21/c, Z = 8) and (VI) (P1, Z=2), obtained by stoichiometric reductions, contain the recently discovered Nb2(PhC)4 units.
ChemInform Abstract: New Ruthenium Carboxylate Complexes Having a 1‐5‐η5‐Cyclooctadienyl Ligand.
Authors: OSAKADA K. , GROHMANN A. , YAMAMOTO A. 
Published: May 2016

AbstractThe new complex (IV) with a piano‐stool coordination around Ru crystallizes in P43212 with Z = 8. (VI) and (VII) are characterized by means of NMR spectroscopy.
ChemInform Abstract: Novel Basic Ligands for the Homogeneous Catalytic Carbonylation of Methanol. Part 30. (Dioxanylmethyl)phosphane Rhodium Complexes as Model Compounds in the Carbonylation of Methanol.
Authors: LINDNER E. , GLASER E. 
Published: May 2016

AbstractThe complex (VI), formed in a reversible reaction by elimination of CO from (V), reacts with MeI (VII) by oxidative addition followed with rapid methyl migration to give the acyl complex (VIII) containing two Rh‐O bonds.
ChemInform Abstract: Synthesis and Spectral Characterization of Dinuclear Palladium(I) Phenoxides and the Crystal Structure of Pd2(dppm)2(OCOCF3)2.
Authors: KRAFFT T. E. , HEJNA C. I. , SMITH J. S. 
Published: May 2016

AbstractEight examples of dinuclear Pd(I) phenoxide compounds of type (III) are synthesized from the corresponding dichloro compounds by metathesis with sodium or potassium aryloxides.
ChemInform Abstract: C‐25 Prochirality in the Fragmentation Reaction Catalyzed by Fucosterol Epoxide Lyase from the Silkworm, Bombyx mori.
Authors: FUJIMOTO Y. , IKUINA Y. , NAGAKARI M. , KAKINUMA K. , IKEKAWA N. 
Published: May 2016

AbstractThe enzymatic elimination of the C‐28/C‐29 side chain of the fucosterol derivatives (I), (III) proceeds stereospecifically with regard to C‐26/C‐27, as it is shown by labeling experiments.
ChemInform Abstract: Ca4Bi6O13, a Compound Containing an Unusually Low Bismuth Coordination Number and Short Bi···Bi Contacts.
Authors: PARISE J. B. , TORARDI C. C. , WHANGBO M.‐H. , RAWN C. J. , ROTH R. S. , BURTON B. P. 
Published: May 2016

AbstractThe title compound, prepared by heat treatments of a CaCO3/Bi2O3 mixture in the range 700‐900 °C, crystallizes in the orthorhombic space group C2mm with Z=2.
ChemInform Abstract: Polymorphic Ba3AlF9: Crystal Structure of Form I.
Authors: RENAUDIN J. , FEREY G. , DE KOZAK A. , SAMOUEL M. 
Published: May 2016

AbstractBa3AlF9‐I is prepared by reaction of BaF2 and AlF3 at 830 °C (sealed Pt‐tube, argon 2 weeks).
ChemInform Abstract: Characterization of Polyphasic Silicon Carbide Using Surface‐Enhanced Raman and NMR Spectroscopy.
Authors: DANDO N. R. , TADAYYONI M. A. 
Published: May 2016

AbstractCrystalline polymorphic SiC ceramics (hot‐pressed and sintered materials from plasma‐produced SiC powders) are studied by cross‐polarization (CP) and single‐pulse MAS NMR and normal and surface enhanced Raman spectroscopy (SERS).
ChemInform Abstract: Low‐Temperature Operation of Solid Electrolyte Oxygen Sensors Using Perovskite‐Type Oxide Electrodes and Cathodic Reaction Kinetics.
Authors: INOUE T. , SEKI N. , EGUCHI K. , ARAI H. 
Published: May 2016

AbstractIn order to lower the operation temp. of oxygen sensors, gas concentration cells are constructed which contain CaO‐doped CeO2 or Y2O3‐stabilized ZrO2 as electrolyte and metal electrodes or Mn‐ or Co‐based perovskite‐type oxide electrodes.
ChemInform Abstract: A Large Family of Niobium Phosphate Bronzes and Bronzoids with KNb3P3O15 Structure.
Authors: BOREL M. M. , BENABBAS A. , REBBAH H. , GRANDIN A. , LECLAIRE A. , RAVEAU B. 
Published: May 2016

AbstractThe bronze‐like compounds ANb2TiP3O15, ATa2TiP3O15, and ANbSbTiP3O15 (A: K, Rb, Tl) and the phosphate bronze RbNb3P3O15 are prepared by heating appropriate mixtures of A2CO3, (NH4)2HPO4, and the oxides Nb2O5, Ta2O5, TiO2, or Sb2O3 (600 K, 3 h; 1373 K, 5 h).
ChemInform Abstract: Electrochemical Hydrotrifluoromethylation of Fumaronitrile.
Authors: UNEYAMA K. , WATANABE S. 
Published: May 2016

AbstractThe electrochemical oxidation of trifluoroacetic acid (II) in the presence of fumaronitrile (I) at 50°C yields the trifluoromethylsuccinonitrile (III) as the main product.
ChemInform Abstract: N‐(9‐Phenylfluoren‐9‐yl)‐α‐amino Ketones and N‐(9‐Phenylfluoren‐9‐yl)‐α‐amino Aldehydes as Chiral Educts for the Synthesis of Optically Pure 4‐Alkyl‐3‐hydroxy‐2‐amino Acids. Synthesis of the C‐9 Amino Acid MeBmt Present in Cyclosporin.
Authors: LUBELL W. D. , JAMISON T. F. , RAPOPORT H. 
Published: May 2016

AbstractReaction of the oxazolidinone (I) derived from (L)‐serine with ethyllithium (II) yields the ketone (III) which is reductively cleaved, forming the chiral amino alcohols (IV) ‐ (VI).
ChemInform Abstract: Mild and Stereocontrolled Synthesis of Iodo‐ and Bromohydrins by X2‐Ti(O‐i‐Pr)4 Opening of Epoxy Alcohols.
Authors: ALVAREZ E. , NUNEZ M. T. , MARTIN V. S. 
Published: May 2016

AbstractThe ring opening reaction of enantiomerically enriched epoxides such as (I) with Ti(O‐i‐Pr)4 and halogens, e.g. iodine, leads to the formation of chiral halohydrines such as (II) and (III).
ChemInform Abstract: Lewis‐Acid and Photochemically Induced Dimroth Rearrangement of 3 H,6 H‐2,5‐Bis‐(p‐N,N‐dimethylaminophenyl)‐1,2‐thiazolino(5,4‐d)1,2‐thiazoline‐3,6‐dithione (IV).
Authors: FANGHAENEL E. + , KORDTS B. , RICHTER A. M. , DUTSCHMANN K. 
Published: May 2016

AbstractTo examine substituent effects in the reversible isomerization reactions of type (IV) ⇌ (V), the derivative (IV) is prepared, which has the strong p‐NMe2 donor substituent.
ChemInform Abstract: Photoinduced Single Electron Transfer Initiated Heterolytic Carbon‐Selenium Bond Dissociation. Sequential One‐Pot Selenenylation and Deselenenylation Reaction.
Authors: PANDEY G. , SEKHAR B. B. V. S. , BHALERAO U. T. 
Published: May 2016

AbstractWith already studied electron transfer (ET) reactions from Ph‐Se‐Se‐Ph (IVb) to the excited singlet of acceptor 1,4‐dicyanonaphthalene (cat.) in mind, further ET reactions of organo‐selenium compounds are studied.
ChemInform Abstract: Ligand‐Controlled α‐Regioselectivity in Palladium‐Catalyzed Arylation of Butyl Vinyl Ether.
Authors: CABRI W. , CANDIANI I. , BEDESCHI A. , SANTI R. 
Published: May 2016

AbstractThe Pd(II)‐catalyzed arylation of butyl vinyl ether (I) with aryl triflates such as (II) is investigated.
ChemInform Abstract: Stereocontrolled Synthesis of Highly Functionalized Cyclohexenes. A Short Synthesis of a Chorismic Acid Precursor.
Authors: POSNER G. H. , NELSON T. D. 
Published: May 2016

AbstractThe bicyclic adducts (VII), which represent rigid, highly oxygenated cyclohexenes are useful building units for the preparation of highly functionalized cyclohexenes such as (IX), (X) and (XII).
ChemInform Abstract: Lewis Acid Promoted Reactions of 11‐Methylenepentacyclo‐(5.4.0.02,6.03,10.05,9)undecan‐8‐one and Pentacyclo‐(5.4.0.02,6.03,10.05,9)undecan‐8‐one with Ethyl Diazoacetate.
Authors: MARCHAND A. P. , REDDY S. P. , RAJAPAKSA D. , REN C. , WATSON W. H. , KASHYAP R. P. 
Published: May 2016

AbstractReaction of the pentacyclic dione (I) with ethyl diazoacetate (II) in the presence of BF3·OEt2 yields the three compounds (III) ‐ (V).
ChemInform Abstract: The Claisen Rearrangement of 7‐Cinnamyloxy Derivatives of Noreugenin, 2‐Methylisoflavone and Chrysin in Quinoline.
Authors: ANDOTRA C. S. , CHAWLA C. , JAIN S. M. 
Published: May 2016

AbstractThe title reaction of (Ia), (Ib) and (Ic) gives the abnormal products (II) and (III).
ChemInform Abstract: Diastereoselective Addition of Organometallic Reagents to Chiral Iminium Ions: Synthesis of (S)‐(+)‐Cryptostyline I.
Authors: POLNIASZEK R. P. , DILLARD L. W. 
Published: May 2016

AbstractThe secondary phenethylamines (I) react with the mixed anhydride (II) to yield the N‐formylated derivatives (III) which are cyclized upon treatment with phosphorus oxychloride (IV) to produce the iminium salts (V).
ChemInform Abstract: A New Synthesis of Acyclovir Prodrugs. N2‐Acetylacyclovir and 6‐Deoxyacyclovir.
Authors: STIMAC A. , KOBE J. 
Published: May 2016

AbstractThe selective deacetylation of the purine derivative (I) yields either the O‐acyl (II), the N‐acyl (III), or the completely deacylated derivative (IV) (acyclovir), a highly specific inhibitor of herpes virus replication.
ChemInform Abstract: Synthesis of New Cyclic Hydroxamic Acids Derived from the Structure of 1‐Hydroxy‐pyrido(2,3‐b)(1,4)oxazin‐2(1H)‐one.
Authors: HEILMANN D. , SICKER D. 
Published: May 2016

AbstractThe hitherto unknown title compounds (II) are prepared by reductive cyclization of the nitro compounds (I) under mild conditions.
ChemInform Abstract: A New Synthetic Route to 1,3‐Benzoxazepines.
Authors: LEE K.‐J. , CHOI D. O. , KIM S. , JEONG J. U. , PARK H. 
Published: May 2016

AbstractThe acylation of o‐hydroxyphenacyl azide (I) yields the acyloxy derivatives (III) which are subjected to an intramolecular aza‐Wittig reaction to give the desired oxazepines (IV) as the main products.
ChemInform Abstract: Synthesis of Chiral Hypervalent Organoiodinanes, Iodo(III)binaphthyls, and Evidence for Pseudorotation on Iodine.
Authors: OCHIAI M. , TAKAOKA Y. , MASAKI Y. , NAGAO Y. , SHIRO M. 
Published: May 2016

AbstractOptically active 2‐iodobinaphthyl (S)‐(I) is transformed into iodo(III) derivative (S)‐(III) by two ways.
ChemInform Abstract: Adduct Between (η‐Cyclopentadienyl)(1,2‐diphenyl‐1,2‐ethylenedithiolato)rhodium(III) and Quadricyclane.
Authors: KAJITANI M. , EGUCHI Y. , ABE R. , AKIYAMA T. , SUGIMORI A. 
Published: May 2016

AbstractRefluxing quadricyclane (II) with the Rh complex (I) leads to the formation of an 1:1 adduct (III) in which Rh and sulfur are bridged by the norbornene‐2,3‐diyl moiety.
ChemInform Abstract: A New Synthetic Route to (.+‐.)‐Magydardienediol via a Radical Cyclization‐Trapping Reaction.
Authors: NAGANO H. , SEKO Y. , NAKAI K. 
Published: May 2016

AbstractRacemic epi‐magydardienediol (XIV) is synthesized starting from the hexenone (I) in a stereocontrolled manner including a sequential intraand intermolecular radical C‐C bond‐forming reaction as the key step (cf.
ChemInform Abstract: Optically Active 1‐Hydroxy‐3‐methylbutanephosphonic Acid and Its Derivatives.
Authors: HOFFMANN M. 
Published: May 2016

AbstractThe (‐)‐dibenzyl ester (II) of the title compound is prepared by resolution of the racemic form using (‐)‐ and (+)‐ephedrine as the resolving agents.
ChemInform Abstract: Synthesis, Structure, and Transformations of α‐Methyl‐D‐mannopyranoside 2,3,6‐Bicyclophosphite.
Authors: NIFANT'EV E. N. , KOROTEEV M. P. , RUMYANTSEVA S. A. , IL'INETS A. M. , KOCHETKOV N. K. 
Published: May 2016

AbstractThe D‐mannopyranoside (I) reacts with the phosphorous triamide (II) to give the cyclic phosphite (III) which is transformed into the acetate (V), the thiophosphate (VIIa), and the selenophosphate (VIIb).
ChemInform Abstract: An Unprecedented Propellane‐to‐Spirofused Skeletal Rearrangement Upon Oxidative Demetalation of CpCo‐Complexed Polycyclic Dienes: Synthesis of a Pentacyclic, Potential Precursor to Strychnine.
Authors: GROTJAHN D. B. , VOLLHARDT K. P. C. 
Published: May 2016

AbstractNon‐demetalative oxidation of complexes of the type (I) gives propellanes such as (II).
ChemInform Abstract: Characterization of Acidity in ZSM‐5 Zeolites: An X‐Ray Photoelectron and IR Spectroscopy Study.
Authors: BORADE R. , SAYARI A. , ADNOT A. , KALIAGUINE S. 
Published: May 2016

AbstractThe XPS results show that on activated H‐ZSM‐5 zeolite pyridine is chemisorbed in three different states corresponding to N1s binding energies of 398.7, 400.0, and 401.8 eV.
ChemInform Abstract: NMR and IR Studies of Zeolite H‐ZSM‐5 Modified with Orthophosphoric Acid.
Authors: CARO J. , BUELOW M. + , DEREWINSKI M. , HABER J. , HUNGER M. , KAERGER J. + , PFEIFER H. , STOREK W. , ZIBROWIUS B. 
Published: May 2016

AbstractThe results of 1H NMR self‐diffusion experiments show that H3PO4 penetrates into the channel network of the ZSM‐5 zeolite.
ChemInform Abstract: Kinetics of the Reactions of the SO‐ 4 Radical with SO‐ 4, S2O2‐ 8, H2O and Fe2+.
Authors: MCELROY W. J. , WAYGOOD S. J. 
Published: May 2016

AbstractThe optical absorption spectrum (270‐500 nm) of the sulfate radical anion, SO4‐, is obtained following laser photolysis of K2S2O8 solutions at 248 nm and its decay in the presence of S2O82‐ and Fe(II) is investigated using kinetic spectrophotometric techniques.
ChemInform Abstract: Non‐Metal Redox Kinetics: Hypochlorite and Hypochlorous Acid Reactions with Cyanide.
Authors: GERRITSEN C. M. , MARGERUM D. W. 
Published: May 2016

AbstractThe kinetic study (stopped‐flow and pulsed‐accelerated‐flow measurements) shows that both OCl‐ and HOCl react with CN‐ and that HOCl is 3.9·106 times more reactive than OCl‐ (reaction mechanisms are proposed and rate constants are given).
ChemInform Abstract: Tandem (4 + 2)/(3 + 2)‐Cycloadditions. Part 2. Asymmetric Induction with a Chiral Vinyl Ether.
Authors: DENMARK S. E. , SENANAYAKE C. B. W. , HO G.‐D. 
Published: May 2016

AbstractA tandem (4 + 2)/(3 + 2) cycloaddition of the nitroalkene (I) tethered to an α,β‐unsaturated ester dipolarophile can be effectively triggered with the chiral vinyl ether (II) as the dienophile to give stereoselectively the adduct (III), which is converted into the α‐hydroxy lactam (V).
ChemInform Abstract: Synthetic Approaches to Phorbols via the Intramolecular Diels‐Alder Reaction of Furans: Influence of the Dienophile Upon the Stereochemical Control.
Authors: HARWOOD L. M. , JACKSON B. , JONES G. , PROUT K. , THOMAS R. M. , WITT F. J. 
Published: May 2016

AbstractThe propargylic alcohol (III), prepared by coupling the aldehyde (I) with the lithium acetylide (II), undergoes intramolecular cycloaddition upon treatment with activated MnO2 to give a mixture of the fused cycloheptanones (IV) and (V).
ChemInform Abstract: Radical Cyclization of α‐Fluoro‐α‐iodo and α‐Iodo Esters and Amides.
Authors: BARTH F. , O‐YANG C. 
Published: May 2016

AbstractAllyl iodoacetate (I) is irradiated in the presence of hexabutyldistannane to form the iodomethyllactone (II), together with the macrocyclic dimer (III) and tetramer (IV) depending on the concentration of the solution.
ChemInform Abstract: One Pot Conversion of Carboxylic Acids to Aldehydes Through Treatment of Acyloxy‐9‐borabicyclo(3.3.1)nonanes with Lithium Aluminum Hydride in the Presence of Pyridine.
Authors: CHA J. S. , LEE J. C. , YOON M. S. , SEO J. B. , KIM J. M. 
Published: May 2016

AbstractSome aldehydes such as (II) are prepared by a convenient route.
ChemInform Abstract: Sodium Amalgam in Liquid Ammonia: A Novel and Selective Reagent for the Dehalogenation of Aryl Halides.
Authors: AUSTIN E. , ALONSO R. A. , ROSSI R. A. 
Published: May 2016

AbstractBased on the respective reduction potentials, the p‐halogenoanisols (I) are dehalogenated if halogen X: Br or I; in the presence of PhCN as redox catalyst, ((I): PhCN = 1:1), the reaction is faster and the yield of (IIb) is dramatically increased.
ChemInform Abstract: Thermal Transformations of Perfluoromethylcyclopropane.
Authors: GERMAN L. S. , GRIGOR'EV A. S. , KOLBANOVSKII YU. A. , CHEPIK S. D. 
Published: May 2016

AbstractThermal decomposition of the title compound (I) under homogeneous conditions at 600‐740 K proceeds selectively to give perfluoropropylene (II) and tetrafluoroethylene (III).
ChemInform Abstract: N‐Allylhydroxylamines from 1,2‐Addition of Allyl Grignard Reagents to Nitro Compounds: Generality and Drawbacks of the Reaction.
Authors: BARBONI L. , BARTOLI G. , MARCANTONI E. , PETRINI M. , DALPOZZO R. 
Published: May 2016

AbstractThe formation of hydroxylamines (III) or (VI) is limited by competing formation of amines (IV) or (VII).
ChemInform Abstract: N‐(Alkoxycarbonylmethyl)diazene N′‐Oxides and Some of Their Transformations.
Authors: LUK'YANOV O. A. , SALAMONOV YU. B. , BASS A. G. , STRELENKO YU. A. , KARPENKO N. F. 
Published: May 2016

AbstractThe N,N‐dibromoglycine esters (I) are coupled with the nitroso compounds (II) to give the azoxy derivatives (III).
ChemInform Abstract: A New Route for the Preparation of Methyl Aryl Sulfones.
Authors: REDDY M. V. R. , REDDY S. , REDDY D. B. , SEENAIAH B. 
Published: May 2016

AbstractThe reaction of (I) with equimolar amounts of cycloalkanones gives sulfones (II) in good yields, instead of the expected products (III).
ChemInform Abstract: Synthetic Approaches to Phorbols via the Intramolecular Diels‐Alder Reaction of Furans: Stereocontrol of the A‐B Ring Junction.
Authors: HARWOOD L. M. , JONES G. , PICKARD J. , THOMAS R. M. , WATKIN D. 
Published: May 2016

AbstractThe unstable aldehyde (VI), prepared from the allylcyclopentenone (I), is coupled with the vinyl Grignard agent (VII) to yield the unsaturated alcohol (VIII).
ChemInform Abstract: Facile Synthesis of Resolved α‐Ethynyl‐Substituted Cyclic Amines.
Authors: LUNDKVIST J. R. M. , WISTRAND L.‐G. , HACKSELL U. 
Published: May 2016

AbstractPyrrolidine (Ia), piperidine (Ib), and perhydroazepine (Ic) are converted to the carbamates (IIIa) ‐ (IIIc) which undergo electrochemical oxidation in methanol (IV) to yield the methoxy derivatives (V).
ChemInform Abstract: Acetals of Lactams and Acid Amides. Part 55. Reaction of Substituted α‐Oxopyridines and 3‐Isoquinolinones with Dimethylformamide Diethyl Acetal.
Authors: GUSS L. T. , ERSHOV L. V. , BOGDANOVA G. A. , GRANIK V. G. 
Published: May 2016

AbstractTreatment of the fused oxopyridinecarbonitriles (I) with sulfuric acid forms the amides (II), the carboxylic acid (III), or the isoquinolinone (IV) depending on the concentration of the sulfuric acid.
ChemInform Abstract: Novel Cyclization and Rearrangement to 1,4‐Dihydropyridazino(4,5‐c)pyridazinones.
Authors: YAMASAKI T. , KAWAMINAMI E. , YAMADA T. , OKAWARA T. , FURUKAWA M. 
Published: May 2016

AbstractReaction of the hydrazinopyridazinones (I) with dimethyl acetylenedicarboxylate (II) results in cyclization and dehydrogenation to produce the 1,4‐dihydropyridazino(4,5‐c)pyridazin‐5(6H)‐ones (III).
ChemInform Abstract: Synthesis and Structure of Some Condensed Quinazolines.
Authors: BADAWY M. A. , ABDEL‐HADY S. A. , MAHMOUD A. H. , IBRAHIM Y. A. 
Published: May 2016

AbstractA range of fifteen title compounds is prepared by conventional routes starting from the four 2‐hydrazino‐4(3H)‐quinazolinones (III), (X), (XIV), and (XVII).
ChemInform Abstract: Asymmetric Aldol Reactions Using Boron Enolates of Chiral Oxazinones, Synthesis of L‐allo‐Threonine.
Authors: RENO D. S. , LOTZ B. T. , MILLER M. J. 
Published: May 2016

AbstractThe oxazinone (I) is treated with dibutylboryl triflate (II) to form the boryl enolate (III) which is coupled with the aldehydes (IV) to give the chiral hydroxyalkyloxazinones (V).
ChemInform Abstract: Synthetic Studies on Fused Nitrogen‐Heterocycles from N‐Amino‐N,N′‐dihydrodiazinediones. Part 2. Condensation of N‐Amino‐N,N′‐dihydrodiazinediones with α,β‐Unsaturated Carbonyl Compounds.
Authors: SHIN S. C. , KANG K. H. , LEE Y. Y. , GOO Y. M. 
Published: May 2016

AbstractIn order to complete the study on construction of heterocyclic ring systems, compound (I) is treated with carbonyl compounds (II) and (IV).
ChemInform Abstract: 2,3‐Dimethylene‐1,4‐bis(dipropylboryl)butane.
Authors: GURSKII M. E. , GOLOVIN S. B. , BUBNOV YU. N. 
Published: May 2016

AbstractStarting with the dimethylbutadiene (I), the title compound (III) is prepared as shown in the reaction scheme.
ChemInform Abstract: Persulfuration of Phosphinines: Synthesis and X‐Ray Crystal Structure Analysis of a P2S3 Derivative.
Authors: HOLAND S. , ALCARAZ J.‐M. , RICARD L. , MATHEY F. 
Published: May 2016

Abstract4,5‐Dimethyl‐2‐phenylphosphinine (I) reacts with sulfur (II) in the presence of a base to give the diphosphinine trisulfide (III) or ‐ via further sulfurization of the latter ‐ the diphosphinine tetrasulfide (IV).
ChemInform Abstract: A Zinc(II) Complex of 1,5,9‐Triazacyclododecane ((12)aneN3) as a Model for Carbonic Anhydrase.
Authors: KIMURA E. , SHIOTA T. , KOIKE T. , SHIRO M. , KODAMA M. 
Published: May 2016

AbstractAmong macrocyclic tri‐ and tetraamines tested, the title triamine in its complex (I) is the most appropriate ligand that mimics the ligand field surrounding Zn(II) in carbonic anhydrases.
ChemInform Abstract: Synthesis and Characterization of Dinickel(II) and Dipalladium(II) Complexes of the Macrocyclic Binucleating Ligand 3,13‐Dimethyl‐3,13‐dinitro‐1,5,11,15‐tetraazacycloeicosane‐8,18‐dithiol (L5). Crystal Structure of the Complex (Ni2(L5‐2 H))(NO2)2·3.5 H2O.
Authors: LAWRANCE G. A. , MAEDER M. , MANNING T. M. , O'LEARY M. A. , SKELTON B. W. , WHITE A. H. 
Published: May 2016

AbstractStarting with (I), prepared by a published method, the Ni complex (IV) is obtained.
ChemInform Abstract: N‐Aryl‐O‐(α‐aminoacyl)hydroxylamines: Model Reactions for the Activation of Monocyclic Aromatic Amines into Ultimate Carcinogens with α‐Amino Acids.
Authors: MEIER C. , BOCHE G. 
Published: May 2016

AbstractThe rearrangement of the new α‐aminohydroxamic acids (I) and several related compounds to the model title compounds (II) is observed in amine‐catalyzed model reactions.