bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Optically Active Arsenic Macrocycles. Highly Stereoselective Syntheses of Diastereomers and Enantiomers of 14‐Membered Macrocyclic Dimers of (.+‐.)‐2,3‐Dihydro‐ and (.+‐.)‐2,3,4,5‐Tetrahydro‐1‐methyl‐1,4‐benzazarsepine.
Authors: MARTIN J. W. L. , STEPHENS F. S. , WEERASURIA K. D. V. , WILD S. B.
Published: May 2016

Dimerization of the racemic arsine (I) yields the achiral trans‐As2N2 macrocycle (II) with complete stereoselectivity; LiAlH4 reduction of (II) leads to the saturated analogue (III).
ChemInform Abstract: Crystal Chemistry of Oxotantalates M4Ta2O9. Part 1. Mg4Ta2O9 and Mg2Ni2Ta2O9.
Authors: HALLE G. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title compounds, obtained from a CO2‐laser‐beam heated flux, belong to the space group P3c1 with Z=2.
ChemInform Abstract: Reactions of Hydrazonoyl Halides: Synthesis of Imidazo(2,1‐b)thiazole, Thiazolo(2,3‐c)‐1,2,4‐triazole and Heterocyclic Enaminonitriles.
Authors: ABDELHAMID A. O. , AFIFI M. A. M.
Published: May 2016

The 2‐aminothiazoles (I) and (IV) are coupled with the hydrazonoyl halides (II) and (V) to yield the imidazothiazoles (III) and (VI) respectively.
ChemInform Abstract: 2,4‐Dichloro‐3‐(dimethylaminomethylene)‐1,4‐cyclohexadiene‐1,5‐dicarboxaldehyde (IIIa): X‐Ray Structure, MNDO Calculations, and Rotational Barriers of a Stable Non‐Aromatic Tautomer of a Penta‐Substituted Benzene.
Authors: KATRITZKY A. R. , MARSON C. M. , PALENIK G. , KOZIOL A. E. , LUCE H. , KARELSON M. , CHEN B.‐C. , BREY W.
Published: May 2016

Instigated by the unexpected fact that (IIIa) (already published) is stable without conversion to its benzenoid tautomer the analogues (IIIb), (IIIc) (space group P1 with Z=2), and (IIId) are prepared and for (IIIa) the barriers of rotation are examined (FT 13C and 1H NMR between ‐60 and +55 °C).
ChemInform Abstract: Intramolecular Cyclization of 2‐Hydroxycinnamaldehydes.
Authors: CHUNAEV YU. M. , PRZHIYALGOVSKAYA N. M. , KURKOVSKAYA L. N.
Published: May 2016

The salicylaldehydes (I) are coupled with the aldehydes (II) to give the hydroxycinnamaldehydes (III).
ChemInform Abstract: 2‐Diazomethyl‐4‐furanones. Synthesis and Properties.
Authors: TOLOCHKO L. A. , SIPYAGIN A. M. , KARTSEV V. G. , ALIEV Z. G. , ATOVMYAN L. O. , LEBEDEV A. T.
Published: May 2016

Acidic treatment of the α,ω‐bis(diazoacetyl)alkanes (I) gives the chloroacetyldiazoalkanes (II).
ChemInform Abstract: Synthesis of Isoquinoline‐5,8‐diones Similar to Mimocine.
Authors: CROISY‐DELCEY M. , HUEL C. , BISAGNI E.
Published: May 2016

The synthesis of various isoquinoline derivatives is described.
ChemInform Abstract: Carbapenams and Carbacephams: Reaction of Cycloimines with N‐(1‐Methyl‐2‐methoxycarbonylvinyl)glycine K‐Salt (Dane Salt).
Authors: BURGEMEISTER T. , DANNHARDT G. , MACH‐BINDL M. , NOETH H. +
Published: May 2016

Reaction of the cyclic imines (II) with the aminocrotonate (I) mentioned in the title gives the bicyclic enaminolactams (III).
ChemInform Abstract: Reactions of 2‐Dialkylamino‐3H‐azepines with Oxidants and Electrophiles.
Authors: BATORI S. , GOMPPER R. , MEIER J. , WAGNER H.‐U.
Published: May 2016

The azepine (III) reacts with active methylene compounds and amines to give the derivatives (I), (V), (VI) and (IX).
ChemInform Abstract: Organic Phosphorus Compounds. Part 84. Synthesis, Properties, and Biological Activity of Hydrazinomethylphosphonic and ‐phosphinic Acids and Derivatives.
Authors: DIEL P. J. , MAIER L.
Published: May 2016

Benzyl carbazate (I) reacts with formaldehyde (II) to yield N‐methylene benzyl carbazate (III) which is coupled with diethyl phosphite (IV) to give the hydrazinomethylphosphonate (V).
ChemInform Abstract: Steroids and Related Natural Products. Part 108. Bufadienolides. Part 40. Synthesis of the 14α‐ and 16α‐Epimers of Bufotalin Acetate and 16‐Deacetylcinobufagin.
Authors: KAMANO Y. , PETTIT G. R. , INOUE M. , TOZAWA M. , SMITH C. R. , WEISLEDER D.
Published: May 2016

The desired derivatives of bufotalin (III), i.e. the 16α‐epimer (IIa) of 16‐deacetylcinobufagin and the 14α‐epimer (VI) of bufatolin acetate, are synthesized in order to obtain products which allow further studies of the bufadienolide structure‐activity relationships.
ChemInform Abstract: Analytical Electron Microscopy Discloses Actual Structure of Zinc‐Graphite.
Authors: FUERSTNER A. + , WEIDMANN H. , HOFER F.
Published: May 2016

Analytical electron microscopic studies combined with EDX, EELS, selected area electron diffraction, and XRD show zinc‐graphite obtained by reduction of ZnCl2 with lamellar C8K to consist of finely dispersed Zn unevenly distributed on graphite as a support.
ChemInform Abstract: Photoluminescence and Relaxation Dynamics of CdS Superclusters in Zeolites.
Authors: WANG Y. , HERRON N.
Published: May 2016

Samples of CdS in zeolites X, Y, and A exhibit three different emission bands, which are all attributed to defects rather than carrier recombination.
ChemInform Abstract: Elimination of the Influence of Interfering Ions in the Voltammetry of Catalytic Hydrogen Evolution in the Presence of Platinum Salts.
Authors: KOROLCZUK M.
Published: May 2016

In order to improve the selectivity of the Pt(IV) determination by voltammetry, a square‐wave potential is used during the deposition step.
ChemInform Abstract: Synthesis and Characterization of the New Mixed Oxides M(VTe)O6 (M: K, Rb, or Cs).
Authors: GARCIA‐MARTIN S. , VEIGA M. L. , JEREZ A. , GAITAN M. , PICO C.
Published: May 2016

The new mixed oxides (IV) are obtained as single‐phase cubic pyrochlores (space group Fd3m).
ChemInform Abstract: Bond‐Stretch Isomerism in Transition‐Metal Complexes.
Authors: JEAN Y. , LLEDOS A. , BURDETT J. K. , HOFFMANN R.
Published: May 2016

Bond‐stretch isomers are molecules whose only structural difference is a difference in the length of one (usually M‐O) or several bonds.
ChemInform Abstract: Comparison of Direct and Through‐Water Binding of Platinum Ammines to the Phosphate Anion.
Authors: KRAUSS M. , BASCH H. , MILLER K. J.
Published: May 2016

The energetics of direct and through‐water binding to the phosphate anion in cis‐diammineplatinum adducts to DNA are studied for the Pt(NH3)42+ /H2O/H2PO4‐ cluster model with valence self‐consistent field MO calculations.
ChemInform Abstract: Diastereoselective Photodeconjugation of α,β‐Unsaturated Esters.
Authors: MORTEZAEI R. , AWANDI D. , HENIN F. , MUZART J. , PETE J.‐P.
Published: May 2016

The title reaction, converting (I) to (III) via protonation of photodienols (II) from the less hindered side, proceeds with high selectivities only if the substrate contains very bulky alkoxy groups (tab.
ChemInform Abstract: High Diastereofacial Selectivity in Nucleophilic Additions to Chiral Acylsilanes.
Authors: NAKADA M. , URANO Y. , KOBAYASHI S. , OHNO M.
Published: May 2016

The use of α‐chiral acylsilanes in nucleophilic addition reactions followed by protiodesilylation with the fluoride anion affords the corresponding syn alcohols in a highly stereospecific manner as is shown for the reactions of (I) with (II) and (V).
ChemInform Abstract: Effects of BF3·Et2O on Higher Order Organocuprate Reactions: Substrate Activation or Cuprate Modification?
Authors: LIPSHUTZ B. H. , ELLSWORTH E. L. , SIAHAAN T. J.
Published: May 2016

In order to get insight into addition reactions of high order organocuprates in the presence of an additive, the reaction of the cuprate (I) under the influence of various additives is investigated.
ChemInform Abstract: Stereoselective Cyclizations of Allylsilanes and ‐stannanes.
Authors: SCHINZER D. , ALLAGIANNIS C. , WICHMANN S.
Published: May 2016

The title reaction gives access to either spiro (cf.
ChemInform Abstract: ClO2 Oxidation of Amines: Synthetic Utility and a Biomimetic Synthesis of Elaeocarpidine.
Authors: CHEN C.‐K. , HORTMANN A. G. , MARZABADI M. R.
Published: May 2016

The use of the oxidizing ClO2 to generate and trap iminium ions in situ with both internal and external nucleophiles is investigated giving the products shown in the scheme.
ChemInform Abstract: An Expeditious Approach for the Synthesis of Optically Active Acetylenic Alcohols.
Authors: YADAV J. S. , CHANDER M. C. , JOSHI B. V.
Published: May 2016

The diol (I), prepared from L‐(+)‐tartaric acid, is converted into the monoether (III) and then subjected to substitution, yielding the chloride (IV).
ChemInform Abstract: Amine‐Stabilized Sulfenes (III): Their Synthesis and Structure.
Authors: HARTWIG U. , PRITZKOW H. , SUNDERMEYER W.
Published: May 2016

The compounds (III) are prepared as shown; (IIIc) has space group P21/n with Z=4.
ChemInform Abstract: Acylation of 1,3‐Bis(trimethylsilyl)propene and 1,8‐Bis(trimethylsilyl)‐2,6‐octadiene. Obtention of (.+‐.)‐1‐Alkyl‐2,5‐divinylcyclopentanols.
Authors: TUBUL A. , SANTELLI M.
Published: May 2016

While the first title compound (I) reacts with α,β‐unsaturated acyl chlorides (II) to give dienones (III) rather than the expected cyclohexenones, the cyclopentanes (VII) and (VIII) are formed instead of cycloheptanones in the reaction of the second title compound (VI) (previously obtained in only 0.06% yield from (IV) by using Li sand).
ChemInform Abstract: A New Synthesis of 2‐Amino‐γ‐lactones Involving Photochemical Addition Reaction of Alcohols to Enamide.
Authors: NAITO T. , NINOMIYA I.
Published: May 2016

Methyl pyruvate (I) is converted into the enamide (IV) which does not undergo cyclization when irradiated in the presence of sodium borohydride.
ChemInform Abstract: Synthesis of Santonin Related Compounds.
Authors: TSUBOI S. , SHINHAMA K. , TAKEDA A.
Published: May 2016

The tetralone (II), prepared from the acid (I), is coupled with the malonate (III) to give the substitution product (IV) which is O‐demethylated, yielding the hydroxy compound (V).
ChemInform Abstract: Tetrakis(alkylthio)thieno(3,4‐c)thiophene: Synthesis, Stability, and Reactivity.
Authors: YONEDA S. , OZAKI K. , TSUBOUCHI A. , KOJIMA H. , YANAGI K.
Published: May 2016

The bis(alkylthio)cyclopropenethiones (I) are dimerized upon heating with triphenyl‐ or tributylphosphine to form the tetrakis(alkylthio)thienothiophenes (II).
ChemInform Abstract: Synthesis and Antimicrobial Activity of N‐Substituted‐2‐methyl‐3‐carbethoxy‐5‐pyrrolinones and Their C(4)‐Benzylidene Derivatives.
Authors: LOVREN F. , BOBAREVIC B. , GAON I. D.
Published: May 2016

A series of title compounds (V) is synthesized as shown for (Va) and (Vb).
ChemInform Abstract: Synthesis of Substituted Tetrahydropyridines by Cyclizations of Silicon‐Containing Iminium Ions.
Authors: DAUB G. W. , HEERDING D. A. , OVERMAN L. E.
Published: May 2016

Iminium ions of type (II), generated from (I), (V) or (VII) (all prepared from L‐alanine), undergo cyclization to yield tetrahydropyridines.
ChemInform Abstract: Potential Cerebral Perfusion Agents. Synthesis and Evaluation of a 1,4‐Disubstituted Dihydropyridine Analogue.
Authors: SRIVASTAVA P. C. , KNAPP F. F. JUN. , PRUITT C. D.
Published: May 2016

The acetylaminoethylpyridine (I) is coupled with the iodoalkenylboronic acid (II) to form the pyridinium salt (III) which is converted to the vinylic iodide (IV) and then reduced, producing the dihydropyridine (V).
ChemInform Abstract: Palladium(0)‐Catalyzed Condensation of Bromopyridines with α‐Substituted Acetonitriles.
Authors: SAKAMOTO T. , KATOH E. , KONDO Y. , YAMANAKA H.
Published: May 2016

Coupling of the bromopyridines (I), (IV), and (VI) with the acetonitriles (II) in the presence of sodium hydride and tetrakis(triphenylphosphine)palladium yields the pyridylacetonitriles (III), (V), and (VII).
ChemInform Abstract: Synthesis of a Dioxinic Analogue of Psoralene.
Authors: GUILLAUMET G. , HRETANI M. , COUDERT G.
Published: May 2016

The formylhydroxybenzodioxane (V) is prepared by two methods either from the catechol (I) or the amino derivative (VI).
ChemInform Abstract: Anionic Cycloaddition of Methyl 2,4‐Dimethoxy‐6‐methyl‐5‐pyrimidinecarboxylate with Acetylenes and Olefins.
Authors: WADA A. , YAMAMOTO H. , KANATOMO S.
Published: May 2016

Lithiation of the methylpyrimidine (I) with lithium diisopropylamide followed by reaction with the acetylenes (II) results in ring closure, forming the quinazoline (III).
ChemInform Abstract: Gas‐Phase Determination of the Geometric Requirements of the Silicon β‐Effect. Photoelectron and Penning Ionization Electron Spectroscopic Study of Silylthiiranes and ‐oxiranes. Synthesis and Chemistry of trans‐2,3‐Bis(trimethylsilyl)thiirane.
Authors: BLOCK E. , YENCHA A. J. , ASLAM M. , ESWARAKRISHNAN V. , LUO J. , SANO A.
Published: May 2016

The title compound (IV) is prepared in two steps from the trans ethene (I).
ChemInform Abstract: Phosphido and Arsenido Chemistry of Tin(II). Synthesis and Structure of (Sn(μ‐E‐tBu2)Cl)2 (E: P, As).
Authors: COWLEY A. H. , GIOLANDO D. M. , JONES R. A. , NUNN C. M. , POWER J. M. , DU MONT W.‐W.
Published: May 2016

The reaction of SnCl2 with Me3Si‐As(tBu)2 in hexane or Et2O affords a compound of the empirical composition (SnClAs(tBu)2)x (yield 83%).
ChemInform Abstract: A Versatile Route to Diastereomeric Tungstenocene Complexes Containing Chiral Metal Centers.
Authors: MCNALLY J. P. , GLUECK D. , COOPER N. J.
Published: May 2016

Differentially substituted tungstenocene complexes (III) can be prepared by addition of anionic nucleophiles to the complex (I) (table) as demonstrated for the example of (IIIa).
ChemInform Abstract: Chiral Metal Complexes. Part 28. A Stereoselective Synthesis of Proline.
Authors: BIRSE E. F. , WILLIAMS P. A. , VAGG R. S.
Published: May 2016

Starting with the known optically active complex (I) the 1,2‐dehydroproline complex (III) is quantitatively synthesized by reaction with the amino acid (II).
ChemInform Abstract: Complexes with Carbon Sulfides and Selenides as Ligands. Part 23. Synthesis of Pt(CS)(PPh3)2 and Pt(CE)(dpmb) (E: S, Se): The First Mononuclear Thio‐ and Selenocarbonyl Complexes of Platinum(0).
Authors: EBNER M. , WERNER H.
Published: May 2016

The preparation of the title complexes (II) and (IV) is shown in the scheme.
ChemInform Abstract: Heterocyclic Monoazo Dyes for Polyamide, Derived from 4‐Alkylamido‐2‐hydroxybenzoic Acids.
Authors: SAVARINO P. , VISCARDI G. , BARNI E. , CARPIGNANO R.
Published: May 2016

The 2‐amino(hydroxy)anilines or 3‐amino(hydroxy)‐2‐aminopyridines (I) react with the anthranilic acids (II) to give the benzazolylanilines (III) which are diazotized and then coupled with the amidosalicylic acids (V), yielding the azo dyes (VI).
ChemInform Abstract: An Approach to the Synthesis of Gelsemine: The Intramolecular Reaction of an Allylsilane with an Acyliminium Ion for the Synthesis of One of the Quaternary Centers.
Authors: CLARKE C. , FLEMING I. , FORTUNAK J. M. D. , GALLAGHER P. T. , HONAN M. C. , MANN A. , NUEBLING C. O. + , RAITHBY P. R. , WOLFF J. J.
Published: May 2016

The synthesis of the target ketone (X) proceeds via the three key steps shown in the scheme with an overall yield of 6.6%; the transformation of (X) to gelsemine (XI) has not yet been accomplished.
ChemInform Abstract: TiCl4‐Mediated Reactions of Silyl Ketene Acetals Derived from N‐Methylephedrine Esters: Asymmetric Synthesis of β‐Lactams.
Authors: GENNARI C. , SCHIMPERNA G. , VENTURINI I.
Published: May 2016

With a view to the biological activity of β‐lactams the compounds (V), (VIII) and (XI) are prepared.
ChemInform Abstract: Homoaromatic Delocalization in the Transition State for Norcaradiene Formation.
Authors: BERTSCH A. , GRIMME W. , REINHARDT G. , ROSE H. , WARNER P. M.
Published: May 2016

The kinetics of the extrusion of benzene (II) from the adducts (I) are measured.
ChemInform Abstract: α,β‐Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. Part 17. A Novel Approach to the Synthesis of Chiral Epoxides and Allylic Alcohols by the Use of Optically Active p‐Tolylsulfinyl Group as a Chiral Auxiliary.
Authors: SATOH T. , OOHARA T. , YAMAKAWA K.
Published: May 2016

The chiral chloromethyl tolyl sulfoxide (I) is alkylated to give the derivatives (III).
ChemInform Abstract: A One‐Pot Conversion of an Aziridine to a β‐Lactam Using Nickel Tetracarbonyl.
Authors: CHAMCHAANG W. , PINHAS A. R.
Published: May 2016

The aziridines (I) are cleaved with lithium iodide and then carbonylated with nickel tetracarbonyl (II), producing the β‐lactams (III).
ChemInform Abstract: Recyclization of 2‐Oxotetrahydro‐1,3‐oxazines Accompanied by Decarboxylation: A Convenient Synthesis of Tetrahydropyridine, Quinolizidine, and Indolizidine Skeletons.
Authors: MATSUBARA Y. , YONEDA R. , HARUSAWA S. , KURIHARA T.
Published: May 2016

LDA‐promoted decarboxylation of the tetrahydrooxazinone (I) gives a mixture of the E‐ and Z‐methylaminomethylcinnamates (II).
ChemInform Abstract: Observation of Two Structurally Distinct States in Ni‐P Glasses Using EXAFS.
Authors: GOLDMAN A. I. , LONG G. G. , BENNETT L. H. , LASHMORE D. S. , KURIYAMA M.
Published: May 2016

X‐Ray absorption spectra above the Ni K‐edge of samples prepared by pulsed electrodeposition (type I) and electrodeposition (type II) exhibit distinct differences which are related to a rearrangement of Ni‐P and Ni‐Ni bonds.
ChemInform Abstract: 129Xe NMR of Xenon Adsorbed in Y Zeolites at 144 K.
Authors: CHEUNG T. T. P. , FU C. M. , WHARRY S.
Published: May 2016

The results obtained for xenon adsorbed in Na‐Y, K‐Y, Mg‐Y, Ca‐Y, and Ba‐Y zeolites further confirms that 129Xe NMR is a very sensitive probe of the electronic environment inside zeolite cages.
ChemInform Abstract: Composite Electrodeposition of Copper with Alumina Powder.
Authors: LEE C. C. , WAN C. C.
Published: May 2016

Codeposition of α‐ or γ‐Al2O3 with Cu from a H2SO4/CuSO4 solution is studied.
ChemInform Abstract: Dissociative Attachment of Electrons to the A2ε+ State of Nitric Oxide.
Authors: KUO C.‐T. , ONO Y. , HARDWICK J. L. , MOSELEY J. T.
Published: May 2016

Production of O‐ from thermal electrons is observed during laser excitation of NO at low pressure.
ChemInform Abstract: Non‐Faradaic Electrochemical Modification of Catalytic Activity.
Authors: VAYENAS C. G. , BEBELIS S. , NEOPHYTIDES S.
Published: May 2016

It is demonstrated that the work function of metal catalysts can be reversibly altered in a predictable way by electrochemically supplying the catalyst surfaces with oxygen via polarized solid electrolyte systems, resulting in dramatic changes in catalytic activity and selectivity.
ChemInform Abstract: Synthesis and Properties of Cesium Difluorochlorate(I).
Authors: KISELEV YU. M. , POPOV A. I. , GORYACHENKOV S. A.
Published: May 2016

Strictly anhydrous conditions are essential for the preparation of the title compound (III).
ChemInform Abstract: Diastereoselective Reactions of an Acyclic α‐Lithiated Sulfide: A Case of Thermodynamic Control.
Authors: MCDOUGAL P. G. , CONDON B. D. , LAFFOSSE M. D. JUN. , LAURO A. M. , VANDERVEER D.
Published: May 2016

Lithiation of the sulfides (I), (VI), and (VIII) produces mixtures of the diastereomeric salts (IV) and (V) with strong predominance of the thermodynamically favoured isomer (IV).
ChemInform Abstract: Stereochemical Controls on Exciplex Reactions. Excited State Proton Transfer.
Authors: CHOW Y. L. , WU Z.‐Z. , THEWALT M. L. W. , STEINER T. W.
Published: May 2016

Two exciplexes are observed in the photoreaction of naphthol (I) and the nitrosamine (II), the first one being formed by excitation of the ground‐state complex while the second one arises from the interaction of excited (I) with (II).
ChemInform Abstract: Norbornanes. Part 21. Bridging Strain in Norbornyl and Oxanorbornyl Cations.
Authors: FLURY P. , GROB C. A. , WANG G. Y. , LENNARTZ H.‐W. , ROTH W. R.
Published: May 2016

Further evidence is presented that the 2‐norbornyl cation is stabilized primarily by C(2)‐C(6) bridging, and that C(2)‐C(7) bridging leads to prohibitive strain.
ChemInform Abstract: Solvolysis of 1‐Chloro‐1‐alkenyl Phenyl Sulfides. Synthesis of α‐Bromoalkanethioic Acid S‐Phenyl Esters, α‐Bromoalkanoic Acid Esters, and α‐Phenylthioalkanoic Acid Methyl Esters.
Authors: FORTES C. C. , CHAVES M. H.
Published: May 2016

The 1‐chloroalkenyl phenyl sulfides (I) are treated with bromine in alcoholic solutions to produce the α‐bromo esters (III).
ChemInform Abstract: Redox‐Phthalonitriles from Steric Hindered Phenols.
Authors: CHECHULINA I. N. , MILAEVA E. R. , PROKOF'EV A. I. , BUNDEL' YU. G.
Published: May 2016

The phenol (I), the aminophenol (IV), or the hydroxybenzaldehyde (VI) are coupled with the phthalonitriles (II) and (VII) or the diazonium salt from (VII) to give the derivatives (III), (V), and (VIII).
ChemInform Abstract: syn‐(2.2)(1,3)Cyclophanes by Twofold Photocyclodimerization.
Authors: MEIER H. , PRASS E. , NOLLER K.
Published: May 2016

Irradiation (290 nm) of (Ia) in benzene produces the stereoisomers (IIa)‐(IVa); pure (IIIa) and enriched (IIa) can be isolated by HPLC.
ChemInform Abstract: Thermal and Photochemical Reactions of Naphtho(1,2,3,4‐def)chrysene with 4‐Phenyl‐1,2,4‐triazoline‐3,5‐dione.
Authors: ANGERMUND K. , BUNTE R. , GODDARD R. , LEITICH J. , POLANSKY O. E. , ZANDER M.
Published: May 2016

In the thermal reaction, (II) electrophilically attacks (I) to give the substitution product (III) which in part is transformed into (IV) and (V).
ChemInform Abstract: Reactivity of Cumulene Complexes. Two Competing Pathways in Oxidative Solvolysis of Tetramethylbutatriene(hexacarbonyl)diiron.
Authors: KIYOOKA S. , ATAGI T. , FUJIYAMA R. , ISOBE K.
Published: May 2016

The hexacarbonyldiiron complex (I), derived from tetramethylbutatriene, reacts with the alcohols (II) in the presence of ceric ammonium nitrate to give mixtures of the dienedicarboxylates (III) and the dialkoxyalkynes (IV).
ChemInform Abstract: Polarized Ketene S,S‐ and S,N‐Acetals. Part 74. A Novel Route to Methyl 3‐(3,4‐Disubstituted 5‐Alkylthio/amino‐2‐thienyl)propenoates.
Authors: DATTA A. , ILA H. , JUNJAPPA H.
Published: May 2016

The 3‐oxo carbodithioates (I) react with methyl 4‐bromocrotonate (II) under S‐alkylation and cyclocondensation, yielding the thiophene derivatives (III).
ChemInform Abstract: Reaction of Arylchromium Carbene Complexes with 1‐Hexyne. Formation of Unusual Diels‐Alder Cycloaddition Products.
Authors: YAMASHITA A. , TIMKO J. M. , WATT W.
Published: May 2016

The phenylchromium carbene complex (I) reacts with 1‐hexyne (II) in the presence of acetic anhydride (III) and triethylamine to form the naphthol acetate (IV) and the naphthol ester (V).
ChemInform Abstract: A 11B and 13C NMR Determination of the Structures of Borate Complexes of Pentoses and Related Sugars.
Authors: CHAPELLE S. , VERCHERE J.‐F.
Published: May 2016

In contrast to previous reports it is shown that both pentoses and hexoses, with the exception of L‐sorbose, form concurrently 1:1 borates such as (I)‐(III) and sandwich‐like 1:2 spiro borate complexes.
ChemInform Abstract: Synthesis of α‐ and γ‐Silyl‐, β‐ and γ‐Germylhydroxamic Acids by Acylation of Tris(trimethylsilyl)hydroxylamine with Silyl‐ and Germylcarboxylic Acid Chlorides.
Authors: KOZYUKOV V. P. , FEOKTISTOV A. E. , MIRONOV V. F.
Published: May 2016

The silyl(germyl)alkanoic chlorides (I) are coupled with tris(trimethylsilyl)hydroxylamine (II) to give the hydroxamates (III) and the hydroximates (IV).
ChemInform Abstract: Synthesis of Chiral Aminoarsines.
Authors: IONOV L. B. , RESHETNIKOV S. M. , MAKAROVA L. L. , PLETNEV M. A. , KRASNOPEROVA E. N.
Published: May 2016

The chloroarsine (I) reacts with l‐menthol (II) to give the menthyl arsinite (III).
ChemInform Abstract: Regioselective Hydrostannation of Terminal Acetylenes Under Transition Metal Catalysis.
Authors: KIKUKAWA K. , UMEKAWA H. , WADA F. , MATSUDA T.
Published: May 2016

The reaction mentioned in the title is performed using various catalysts.
ChemInform Abstract: The Reaction of Water with Iron‐ and Rutheniumcarbonyl Complexes of Polyolefins: 1,2‐ and 1,4‐Hydrogenation of 1,3‐Dienes. Hydrogenolysis of Allylic Ethereal Bonds and Deoxygenation of 7‐Oxabicyclo(2.2.1)hept‐2‐enes.
Authors: ARAKI S. , BONFANTINI E. , VOGEL P.
Published: May 2016

Under basic conditions H2O reacts with the complexes (I), (V) and (IX) to give products of demetalation and 1,2‐ or/and 1,4‐hydrogenation.
ChemInform Abstract: Spectrophotometric Study of the Methoxide Addition to Hexafluoroacetylacetonato Complexes of Co(III) and the Crystal Structure of β‐(Co(trien)(hfacOCH3))(ClO4).
Authors: KITAMURA Y. , LEIPOLDT J. G. , ROODT A.
Published: May 2016

In methanolic solution a rapid and reversible methoxide addition occurs to the hexafluoroacetylacetonato ligand in a tetraamine‐β‐diketonatocobalt(III) complex with formation of (I).
ChemInform Abstract: Photochemistry of Cyclic α‐Hydroxy Ketones. Part 3. The Nature of the Photoproducts from 5‐Hydroxy‐5β‐cholest‐3‐en‐6‐one and the Relationship of these to the Photoproducts from Analogous Saturated 5‐Hydroxycholestan‐6‐ones.
Authors: YATES P. , STIVER S.
Published: May 2016

The photolysis of the title steroid (I) proceeds via C‐C cleavage and formation of an acyl‐allyl‐diradical intermediate which undergoes O‐H hydrogen abstraction to give the aldehyde (II).
ChemInform Abstract: Azirineimine as a Structural Unit in the Side Chain of a Hexafuranose.
Authors: MEYER ZU RECKENDORF W. , SCHULTZ N.
Published: May 2016

The reaction of the glucofuranose (I) with KCN (II) under the conditions shown yields the azirineimine derivative (III).
ChemInform Abstract: Leiopathic Acid, a Novel Optically Active Hydroxydocosapentaenoic Acid, and Related Compounds, from the Black Coral Leiopathes sp. of Saint Paul Island (S. Indian Ocean).
Authors: GUERRIERO A. , D'AMBROSIO M. , PIETRA F.
Published: May 2016

The antipatharian title species is shown to contain a relatively high amount of leiopathic acid (Ia).
ChemInform Abstract: Design and Synthesis of 5‐Lipoxygenase Inhibitors.
Authors: STRASSER M. , COOPER P. , DEWALD B. , PAYNE T.
Published: May 2016

Based on the substrate specificity for 5‐lipoxygenase and the known stereochemical course of the reaction, a hypothetical model of the enzyme active site is developed and used to design 2 types of selective inhibitors of 5‐lipoxygenase.
ChemInform Abstract: A Novel Chiral Route to Substituted Tetrahydrofurans. Total Synthesis of (+)‐Verrucosidin and Formal Synthesis of (‐)‐Citreoviridin.
Authors: HATAKEYAMA S. , SAKURAI K. , NUMATA H. , OCHI N. , TAKANO S.
Published: May 2016

(+)‐Verrucosidin (XII), a potent neurotoxin from Penicillium verrucosum var.
ChemInform Abstract: Twin‐Chamber Knudsen Effusion Cell Source Mass Spectrometry: Vaporization of Palladium.
Authors: CHANDRASEKHARAIAH M. S. , STICKNEY M. J. , GINGERICH K. A.
Published: May 2016

By using the developed twin‐chamber cell source, the vaporization of a sample can be compared simultaneously with a vapor pressure reference material (e.g.
ChemInform Abstract: Halogenation of Derivatives of 1,3‐Dithiane 1,1,3,3‐Tetroxide and of Its Linear Structure Analogues.
Authors: NEPLYUEV V. M. , BAZAVOVA I. M. , LOZINSKII M. O.
Published: May 2016

The halogenation of the title compounds (I), (III), (V) and of the open‐chain analogues (VII), (IX) and (XI) is investigated.
ChemInform Abstract: Homolytic Amination of Phenylsubstituted 1,3‐Dioxanes.
Authors: ZORINA L. N. , SAFIEV O. G. , RAKHMANKULOV D. L.
Published: May 2016

The system NH2OH/Ti(III) is known to generate amino radicals.
ChemInform Abstract: Thiophene as a Structural Element of Physiologically Active Compounds. Part 17. Thienoisoxazoles via Nucleophilic Substitution.
Authors: BINDER D. , NOE C. R. , BAUMANN K. , HOLZER W.
Published: May 2016

The 2‐acylthiophenes (I) are cyclized with hydroxylamine hydrochloride (II) to form the thieno(2,3‐d)isoxazoles (III).
ChemInform Abstract: Reduction of Chromium(VI) by D‐Galacturonic Acid and Formation of Stable Chromium(V) Intermediates.
Authors: BRANCA M. , MICERA G. , DESSI A.
Published: May 2016

Galacturonic acid converts Cr(VI) into Cr(III) and the reaction is favored by acidic conditions.
ChemInform Abstract: The Infrared Spectrum of F‐·H2O.
Authors: YATES B. F. , SCHAEFER H. F. III , LEE T. J. , RICE J. E.
Published: May 2016

The geometry and vibrational frequencies of the F‐·H2O system are determined by ab initio calculations (SCF and CISD levels of theory).
ChemInform Abstract: Determination of the Structure of SmB4.
Authors: ZAVALII L. V. , BRUSKOV V. A. , KUZ'MA YU. B.
Published: May 2016

The structure of the title compound is determined in full by X‐ray analysis of a single crystal.
ChemInform Abstract: A Picosecond Bleaching Study of Quantum‐Confined Cadmium Sulfide Microcrystallites in a Polymer Film.
Authors: HILINSKI E. F. , LUCAS P. A. , WANG Y.
Published: May 2016

A polymer (Nafion) film doped with 55 Å CdS microcrystallites exhibits a large resonant third order nonlinearity.
ChemInform Abstract: Reaction of Potassium Tungstate with Zirconium Tungstate.
Authors: BAZAROVA ZH. G. , MOKHOSOEV M. V. , BAL'ZHINIMAEVA I. S. , KHARCHENKO L. YU.
Published: May 2016

The system K2WO4‐Zr(WO4)2 is investigated for the first time by differential thermal and X‐ray analyses.
ChemInform Abstract: Ruthenium(III) Chloride in Aqueous Solution: Kinetics of the Aquation and Anation Reactions of the Chloro Complexes
Authors: TAQUI KHAN M. M. , RAMACHANDRAIAH G. , SHUKLA R. S.
Published: May 2016

(I) and (II) are studied spectrophotometrically at 25 °C (0.01‐1 M KCl, pH 0‐2).
ChemInform Abstract: Investigation of the Titanium‐Antimony‐Oxygen System by X‐Ray Diffraction, 121Sb Moessbauer Spectroscopy, and Temperature‐Programmed Reduction.
Authors: BERRY F. J. , GOGARTY P. M. , JENKINS J. W.
Published: May 2016

Ti‐Sb oxides are prepared by precipitation methods.
ChemInform Abstract: Metalation/SRN1 Coupling in Heterocyclic Synthesis. A Convenient Methodology for Ring Functionalization.
Authors: ESTEL L. , MARSAIS F. , QUEGUINER G.
Published: May 2016

Lithiation of 2‐fluoropyridine (I), followed by iodination and substitution of fluorine, yields the 2‐substituted 3‐iodopyridines (IV).
ChemInform Abstract: Anaerobic Oxidation of Cysteine to Cystine by Iron(III). Part 2. The Reaction in Basic Solution.
Authors: JAMESON R. F. , LINERT W. , TSCHINKOWITZ A.
Published: May 2016

The oxidation is followed over the pH range 8.2‐11.6 by use of a stopped‐flow high‐speed spectrophotometric method.
ChemInform Abstract: Preparation of α‐Amino Hydrazones with Triphenyl(β‐phenylhydrazono)phosphorane.
Authors: GNICHTEL H. , SINELL M.
Published: May 2016

The aminoketones (Ia) and (Ib) both react with phenylhydrazine (II) to give the (E) hydrazones (III).
ChemInform Abstract: Benzoanellated Centropolyquinanes. Part 5. Centrohexaindan, the First Hydrocarbon with a Topologically Non‐Planar Molecular Structure.
Authors: KUCK D. , SCHUSTER A.
Published: May 2016

The title compound (IV), obtained by the surprisingly simple procedure shown in the scheme, represents the first centrohexacyclic hydrocarbon prepared so far, and also the first fenestrane with carbon substituents at all four bridgehead atoms.
ChemInform Abstract: α‐Ketodicarboxylic Acid Chloride Imide Chlorides in the Synthesis of Heterocycles. Part 3. A Novel Wittig‐Smiles Reaction.
Authors: CAPUANO L. , BETTINGER A. , ENGEL M. , PFORDT M. , HUCH V.
Published: May 2016

Under the conditions shown, the reaction between the chloride (I) and the phosphoranes (II) yields the pyrrolidinediones (III) (discussion of the mechanism of formation).
ChemInform Abstract: Chemistry of O,N‐ and S,N‐Containing Heterocycles. Part 6. Investigations on the Behavior of Activated 1,5‐Benzoxazepines Under Basic Conditions.
Authors: BARTSCH H. , ERKER T.
Published: May 2016

The benzoxazepine derivatives (I), (IV) and (V) undergo ring contraction under basic conditions to give the benzoxazoles (III) and (VI)‐(VIII).
ChemInform Abstract: (.+‐.)‐9‐Amino‐1,2,3,4‐tetrahydroacridin‐1‐ol. A Potential Alzheimer′s Disease Therapeutic of Low Toxicity.
Authors: SHUTSKE G. M. , PIERRAT F. A. , CORNFELDT M. L. , SZEWCZAK M. R. , HUGER F. P. , BORES G. M. , HAROUTUNIAN V. , DAVIS K. L.
Published: May 2016

The anthranilonitrile (I) is coupled with the 1,3‐cyclohexanedione (II) to yield the enaminone (III) which is cyclized to form the acridinone system (IV).
ChemInform Abstract: Synthesis, Enzyme‐Substrate Interaction, and Herbicidal Activity of Phosphoryl Analogues of Glycine.
Authors: NATCHEV I. A.
Published: May 2016

Reaction of the triazine (I) with various hydrophosphoryl compounds such as (II) yields the N‐acetylated (aminomethyl)phosphoryl compounds (III), which undergo a variety of non‐selective and enzyme‐catalyzed selective hydrolysis reactions to give the compounds (IV), (V) or (VI).
ChemInform Abstract: Synthesis and Structure of Diorganyldiaryloxytelluranes with Intramolecular Te···N Coordination Bonds.
Authors: MINKIN V. I. , MAKSIMENKO A. A. , MEHROTRA G. K. , MASLAKOV A. G. , KOMPAN O. E. , SADEKOV I. D. , STRUCHKOV YU. T. , YUFIT D. S.
Published: May 2016

The title compounds (III) are prepared by an exchange reaction of the diorganyldimethoxytelluranes (I), obtained via treatment of the corresponding diorganyltellurium dihalogenides with sodium methoxide, with the phenols (II).
ChemInform Abstract: Organomercury Compounds. Part 30. The Synthesis and Crystal and Molecular Structure of Bis(2,4,6‐trichlorophenoxymethyl)mercury.
Authors: DEACON G. B. , GATEHOUSE B. M. , NEY S. C.
Published: May 2016

Reaction of bis(bromomethyl)mercury (II), prepared in situ from diazomethane and mercuric bromide, with thallium(I) 2,4,6‐trichlorophenoxide (I) leads to the formation of the title compound (III).
ChemInform Abstract: Novel Synthetic Routes to Disulfur and Disulfur Monoxide Ligands: Nucleophilic Attack at Coordinated Imino‐oxo‐λ4‐sulfanes.
Authors: HERBERHOLD M. , HILL A. F.
Published: May 2016

The reactions of (I) and (V) with (II) lead almost quantitatively to (III) and (VI) which in turn are hydrolyzed to the corresponding sulfur dioxide complexes.
ChemInform Abstract: Novel Porphyrinoids. Part 6. Biomimetic Synthesis of an Octavinylogous Porphyrin with an Aromatic (34)Annulene System.
Authors: KNUEBEL G. + , FRANCK B.
Published: May 2016

The diatropic behavior of the vinylogous porphyrins is appreciably more pronounced than that of the annulenes.
ChemInform Abstract: Thiostannane‐Mediated Preparation of γ‐Alkoxyallyl Sulfides. Efficient β‐Alkylation of α,β‐Unsaturated Aldehydes.
Authors: SATO T. , OKAZAKI H. , OTERA J. , NOZAKI H.
Published: May 2016

The dimethyl acetals (I), derived from α,β‐unsaturated aldehydes, are treated with the di(phenylthio)stannane (II) in the presence of boron trifluoride etherate to yield the γ‐methoxyallyl phenyl sulfides (III).
ChemInform Abstract: Anomeric O‐Alkylation. Part 6. A Simple Synthesis of KDO α‐Glycosides by Anomerically Selective O‐Alkylation.
Authors: SCHMIDT R. R. , ESSWEIN A.
Published: May 2016

Treatment of the KDO (= 3‐deoxy‐D‐manno‐2‐octulosonic acid) derivative (I) with NaH followed by reaction with the D‐glucose derivative (II) gives selectively the α‐linked product (III).
ChemInform Abstract: Synthesis of Glycofuranosyl Formamides, Isocyanides, and Isocyanates Starting from the Corresponding Glycosyl Azides.
Authors: HIEBL J. , ZBIRAL E.
Published: May 2016

The glycofuranosyl P‐N‐ylide formed by Staudinger reaction of the azide (I) is treated with the anhydride (II) to give mainly the formamide (III) the dehydration of which yields the isocyanide (IV).
ChemInform Abstract: A Concise, Palladium‐Catalyzed Approach to (.+‐.)‐Lysergic Acid.
Authors: CACCHI S. , CIATTINI P. G. , MORERA E. , ORTAR G.
Published: May 2016

Kornfeld's ketone (I) is converted to the triflate (III) which undergoes Pd‐induced coupling with the aminomethacrylate (IV) to form the aminodienoate (V).
ChemInform Abstract: A Highly Efficient, Practical Approach to Natural Taxol.
Authors: DENIS J.‐N. , GREENE A. E. , GUENARD D. , GUERITTE‐VOEGELEIN F. , MANGATAL L. , PORTIER P.
Published: May 2016

Since the isolation of the exceptionally promising cancer chemotherapeutic agent taxol from the bark of yew species is very difficult and low‐yielding and, obviously, fatal to the source which is threatened, an efficient partial synthesis of taxol from an easily and permanently accessible congener is required.
ChemInform Abstract: Time‐of‐Flight Neutron Powder Diffraction Study of the LaNi5D3 Structure.
Authors: HAYAKAWA H. , NOMURA K. , ISHIDO Y. , AKIBA E. , SHIN S. , ASANO H. , IZUMI F. , WATANABE N.
Published: May 2016

The structure of the title compound is refined in the space group P6/mmm, which is the same as for the original LaNi5 alloy.
ChemInform Abstract: Influence of a New Preparation Method on the Catalytic Properties of CoMo and NiMo Sulfides.
Authors: FUENTES S. , DIAZ G. , PEDRAZA F. , ROJAS H. , ROSAS N.
Published: May 2016

The title catalysts are prepared by impregnation of (NH4)2MoS4 crystals with a solution of M(NO3)2 (M: Ni, Co) in acetone.
ChemInform Abstract: Stereoselective Condensation of Bis‐p‐tolylthiomethane with Lactic Acid Derivatives Through an Acylation‐Reduction Strategy: Synthesis of Protected 4‐Deoxy‐L‐threose and 4‐Deoxy‐L‐erythrose.
Authors: GUANTI G. , BANFI L. , GUARAGNA A. , NARISANO E.
Published: May 2016

The strategy outlined in the title is studied using different protecting groups for the starting material (e.g.
ChemInform Abstract: Stereoselectivity of the γ Radioreduction of Alkylcyclohexanones.
Authors: ALIPOUR E. , MICHEAU J. C. , PAILLOUS N.
Published: May 2016

The stereoselectivity of the title reaction depends on the concentration of the starting ketones.
ChemInform Abstract: Intramolecular Cycloadditions of Arylketenes with Alkenes. Reactions of 5‐Arylbicyclo(3.2.0)heptan‐6‐ones.
Authors: SNIDER B. B. , NIWA M.
Published: May 2016

The arylacetic acids (I) are coupled with the bromopentene (II) and then converted to the ketenes (IV) which cyclize, forming the bicyclic ketones (V).
ChemInform Abstract: Preparative VIS‐Laser Photochemistry. Qinghaosu‐Type 1,2,4‐Trioxanes by Molecular Oxygen Trapping of Paterno‐Buechi Triplet 1,4‐Diradicals Derived from the Bicyclic Enol Lactones δ1,6‐ and δ1,10‐2‐Oxabicyclo(4.4.0)decen‐2‐one and p‐Benzoquinone.
Authors: ADAM W. , KLIEM U. , PETERS E.‐M. , PETERS K. , VON SCHNEERING H. G.
Published: May 2016

The VIS‐laser irradiation of the enol lactones (I), (VII) and benzoquinone (II) in an argon atmosphere (conditions A)) and under an oxygen atmosphere (conditions B)) leads to the various products shown in the scheme.
ChemInform Abstract: Selective Formation of New Solvent‐Derived Products from Ozonolyses of 1‐Acetoxy‐ and 1‐Chloro‐2,3‐diphenylindene.
Authors: MCCULLOUGH K. J. , FUJISAKA T. , NOJIMA M. , KUSABAYASHI S.
Published: May 2016

The ozonolysis of 1‐acetoxy‐2,3‐diphenylindene (I) and its chloro analogue (VI) is performed under various conditions.
ChemInform Abstract: Nuclear Analogues of β‐Lactam Antibiotics. Synthesis of 6,6‐Disubstituted Acylaminopenems.
Authors: BANVILLE J. , LAPOINTE P. , BELLEAU B. , MENARD M.
Published: May 2016

The penem derivative (XIb) is prepared starting from the aminopenicillanic acid derivative (I) via the intermediates shown in the scheme; the methoxy analogue (XIc) is similarly synthesized.
ChemInform Abstract: The Electrochemical Behavior of YBa2Cu3O7
Authors: BACHTLER H. , LORENZ W. J. , SCHINDLER W. , SAEMANN‐ISCHENKO G.
Published: May 2016

is studied in 0.1 M NaOH by cyclic voltammetry and impedance spectroscopy in combination with SEM, EDX, and XPS.
ChemInform Abstract: Inorganic Electrolyte Li/SO2 Rechargeable System. Development of a Prototype Hermetic C Cell and Evaluation of Its Performance and Safety Characteristics.
Authors: DEY A. N. , KUO H. C. , PILIERO P. , KALLIANIDIS M.
Published: May 2016

Details of the design of the prototype "C" size cell are reported as well as its performance and safety characteristics.
ChemInform Abstract: A Single‐Crystal ESR Study on Radicals Derived from rac‐ and meso‐1,2‐Dimethyl‐1,2‐diphenyldiphosphine Disulfide: Stereochemical Selection in Radical Formation.
Authors: JANSSEN R. A. J. , VAN DER WOERD M. J. , AAGAARD O. M. , BUCK H. M.
Published: May 2016

The two diastereoisomeric forms of the title compound give rise to completely different radical products upon irradiation.
ChemInform Abstract: Structures of Lithium Salts of 2,3,3‐Trimethylindolenine and Its 5‐Methoxy Derivative in Solution and the Solid State.
Authors: JACKMAN L. M. , SCARMOUTZOS L. M. , SMITH B. D. , WILLIARD P. G.
Published: May 2016

An X‐ray crystal structure of lithium 2,3,3‐trimethylindolenide etherate (space group P21/c, Z=4) shows it to be a disolvated dimer having an η3‐azaallyl‐type structure.
ChemInform Abstract: Regioselective Synthesis of Hydroxy Sulfides via Trifluoroacetoxysulfenylation of Derivatives of Allylic Alcohols.
Authors: ABD EL SAMII Z. K. M. , AL ASHMAWY M. I. , MELLOR J. M.
Published: May 2016

The addition of sulfur electrophiles, generated by reaction of disulfides with Mn(III) acetate, to a variety of unsaturated acetates and trifluoroacetates (15 reactions studied overall) in the presence of TFA leads to trifluoroacetoxy sulfides, which are hydrolyzed to provide vicinal hydroxy sulfides.
ChemInform Abstract: Acyloxyborane: An Activating Device for Carboxylic Acids.
Authors: FURUTA K. , MIWA Y. , IWANAGA K. , YAMAMOTO H.
Published: May 2016

Addition of the borane‐THF complex (II) to acrylic acid (I) gives the acyloxyborane (III), which reacts with the diene (IV) to the Diels‐Alder product (V).
ChemInform Abstract: Observations Regarding the Regiochemical and Stereochemical Course of the Cyclization of Complex 5‐Hexenyl Radicals: An Approach to Perhydronaphthalenes.
Authors: CHUANG C.‐P. , GALLUCCI J. C. , HART D. J. , HOFFMAN C.
Published: May 2016

Tri‐n‐butyltin hydride mediated cyclization of the iodo lactones (III), prepared from the substituted benzoic acids (I) via a reductive alkylation ‐ halolactonization ‐ free radical cyclization sequence, produces the octahydronaphthalenes (IV).
ChemInform Abstract: Photodimerization of 3‐Methyl‐1,2‐butadiene.
Authors: SLOBODIN YA. M.
Published: May 2016

Photodimerization of the title compound (I) yields the isomeric cyclobutanes (II) and (III).
ChemInform Abstract: Reaction of cis‐Bicyclo(4.3.0)nona‐3,7‐diene with Iodine. Synthesis of Tricyclo(4.3.0.03,7)nona‐4,8‐diene (Brexa‐4,8‐diene).
Authors: LUKOVSKAYA E. V. , BOBYLEVA A. A. , PEHK T. I. , DUBITSKAYA N. F. , PETRUSHENKOVA I. A. , BELIKOVA N. A.
Published: May 2016

The iodination of the bicyclo(4.3.0)nonadiene (I) proceeds via transannular cyclization to afford a mixture of eight isomeric iodides in 70% overall yield.
ChemInform Abstract: Benzyl‐, 2‐ and 4‐Nitrobenzylcyclopropanes and Their Reaction with Organic Acids.
Authors: FEDOTOV A. N. , TROFIMOVA E. V. , MOCHALOV S. S. , SHABAROV YU. S.
Published: May 2016

A novel and facile synthesis is described which gives benzylcyclopropane (IV) in high yield.
ChemInform Abstract: Synthesis and Properties of 4,N‐Dimethyl‐N‐(3‐oxo‐4‐pentenyl)benzenesulfonamide, a Divinyl Ketone Equivalent.
Authors: LARONZE J.‐Y. , SAPI J. , LEVY J.
Published: May 2016

The sulfonamide (IV) mentioned in the title is prepared by cleavage of the salt (III), obtained from 1‐methyl‐4‐piperidone (I) and tosyl chloride (II), with strong bases.
ChemInform Abstract: Vinyl Esters with an Epoxy Group. Part 17. Synthesis of Glycidyl Esters of N‐(2‐Vinyloxyethyl)‐ and N‐(2‐Methyl‐1,3‐oxazolidine)carbamic Acid.
Authors: NEDOLYA N. A. , RAKHMATULINA T. N. , DYMCHENKO V. I. , RAPPOPORT L. YA. , GAVRILOVA O. P.
Published: May 2016

The reaction between equimolar quantities of the vinyloxyamine (I) and the cyclic carbonate (II) yields the polyfunctional adduct (III).
ChemInform Abstract: A Novel Synthesis of Tetrahydrofurans via a Synthetic Equivalent to a Carbonyl Ylide.
Authors: LINDERMAN R. J. , GODFREY A.
Published: May 2016

α‐Alkoxyorganostannanes such as (I) can function as synthetic equivalents to a carbonyl ylide providing direct access to highly substituted tetrahydrofurans such as (VII) from enones such as (IV).
ChemInform Abstract: Chorismate Mutase Inhibitors: Synthesis and Evaluation of Some Potential Transition‐State Analogues.
Authors: BARTLETT P. A. , NAKAGAWA Y. , JOHNSON C. R. , REICH S. H. , LUIS A.
Published: May 2016

Chorismate mutases catalyze the conversion of chorismic acid (I) to prephenic acid (II).
ChemInform Abstract: Nickel(0)‐Catalyzed Cycloaddition of Diynes and Carbon Dioxide to Bicyclic α‐Pyrones.
Authors: TSUDA T. , MORIKAWA S. , SUMIYA R. , SAEGUSA T.
Published: May 2016

Carboxylation of diynes such as (I), (IV), or (VII) in the presence of nickel cyclooctadiene/trialkyl phosphine catalysts yields mainly fused α‐pyrones such as (III), (V), or (VIII).
ChemInform Abstract: A Synthesis of Isoquinuclidine Derivatives by the Diels‐Alder Reaction of 2‐Methylene‐1,2‐dihydropyridine Derivatives with Dienophiles.
Authors: TOMISAWA H. , NAKANO H. , HONGO H.
Published: May 2016

Diels‐Alder reaction of the dicyanomethylenedihydropyridines (I) with the maleic acid derivatives (II) gives stereoselectively the endo‐adducts (III).
ChemInform Abstract: Regiospecific Reduction of the 2‐Carbonyl Group of the 6‐Hydroxypyrimido(2,1‐f)purine‐2,4,8(1H,3H,9H)‐trione System by Selected Metal Hydrides. A Novel Reduction of a Fused Xanthine Nucleus.
Authors: CONN D. J. , KAMINSKI J. J. , SOLOMON D. M. , MCPHAIL A. T.
Published: May 2016

Treatment of the pyrimidopurinetrioneacetate (I) with lithium borohydride in refluxing dioxane leads to the formation of the hydroxyethyl derivative (II) and the monodeoxygenated analogue (III).
ChemInform Abstract: Investigations on the Reactions of a Trifluoromethylformamidine.
Authors: GRUETZMACHER H. + , ROESKY H. W. , NOLTEMEYER M. , KEWELOH N. , SHELDRICK G. M.
Published: May 2016

Treatment of the trifluoromethylated formamidine (I) with triethylamine results in dimerization, producing the dihydropyrazine (II).
ChemInform Abstract: Chemistry of 1,1,4,4‐Tetramethyl‐1,4‐diazonia‐2,5‐diboratacyclohexane.
Authors: MILLER N. E. , REZNICEK D. L.
Published: May 2016

1,4‐Diazonia‐2,5‐diboratacyclohexane (I) is chlorinated or brominated to yield the tetrahalo compounds (II).
ChemInform Abstract: Ruthenium Complex‐Catalyzed Silylation of Olefins. Selective Synthesis of Allylsilanes.
Authors: HORI Y. , MITSUDO T. , WATANABE Y.
Published: May 2016

The ruthenium catalyst shown in the scheme catalyzes the silylation of olefins such as (I), (IV), (V), or (VI) to give allylic silanes such as (III) (from (I), (IV), or (V) as well) or (VII).
ChemInform Abstract: (tert.‐Butyldimethylsilyloxy)methyl Chloride: Synthesis and Use as N‐Protecting Group in Pyrimidinones.
Authors: BENNECHE T. , GUNDERSEN L.‐L. , UNDHEIM K.
Published: May 2016

The new title reagent (IV) is synthesized by SO2Cl2 cleavage of the sulfide (III) which in turn is available from the components (I) and (II).
ChemInform Abstract: Comparative Study of Tris(trifluoromethyl)phosphine Oxide, Tris(nonafluorobutyl)phosphine Oxide, and Fluorobis(nonafluorobutyl)phosphine Oxide with Ammonia and Amines.
Authors: MAHMOOD T. , BAO J. M. , KIRCHMEIER R. L. , SHREEVE J. M.
Published: May 2016

While (CF3)3PO (I) forms the diaminophosphine (III) in the presence of NH3, the analogous reactions of (IV) or (XII) with excess NH3 or (V) lead to the phosphine oxides (VI) or (XI), respectively.
ChemInform Abstract: Synthesis of 1,1‐Bis(seleno)‐2‐alkenes.
Authors: DIEDEN R. , HEVESI L.
Published: May 2016

Reaction of the α,β‐unsaturated carbonyl compounds with organoselenium compounds such as (II) yields different products depending on the nature of the substituents at the carbonyl group.
ChemInform Abstract: Synthesis of Bis(1,2‐bis(methylseleno)vinylenedithio)tetrathiafulvalene (TMSVT)
Authors: NAKANO H. , NOGAMI T. , SHIROTA Y.
Published: May 2016

(with E1/2 = 0.86 V vs.
ChemInform Abstract: Facile Cleavage of C‐H Bonds. Reaction of Trimethylaluminum with Bis(diphenylphosphinoyl)methane: Synthesis and Molecular Structure of (Al(CH3)) ((C6H5)2P(O)CP(O)(C6H5)2)2(Al(CH3)2)2.
Authors: ROBINSON G. H. , LEE B. , PENNINGTON W. T. , SANGOKOYA S. A.
Published: May 2016

The title condensation proceeds with cleavage of all C‐H bonds of each ligand and of four Al‐Me bonds to give the title compound (III) and methane.
ChemInform Abstract: A Phosphido‐Capped Tritungsten Alkoxide Cluster: W3(μ3‐P)(μ‐OCH2‐tBu)3(OCH2‐tBu)6 and Speculation Upon the Existence of a Reactive (tBuCH2O)3WP Intermediate.
Authors: CHISHOLM M. H. , FOLTING K. , PASTERCZYK J. W.
Published: May 2016

The reaction between the W2 complex (I) and white phosphorus P4 (II) results in the formation of the title cluster (III) as the major W‐containing compound and of the previously characterized mononuclear complex (IV).