bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Copper(II) Complexes of o‐Quinone Monooximes. Part 3. Reactivity of Bis(4‐chloro‐1‐benzoquinone 2‐oximato)copper(II) with Halides. Crystal Structure of Potassium Bis(μ‐iodo)tris(bis(4‐chloro‐1‐benzoquinone 2‐oximato)cuprate(II)).
Authors: BISI CASTELLANI C. , CARUGO O. , CODA A. 
Published: May 2016

AbstractThe reactivity of the title complex toward halides as Lewis bases is studied.
ChemInform Abstract: Photoelectrochemical Cells of the Electrolyte‐Metal‐Insulator‐Semiconductor (EMIS) Configuration. Part 3. Aspects Relating to Thermal Oxide Growth in the Pt/Silicon Oxide/n‐Si System.
Authors: HOWE A. T. , HAWKINS R. T. II , FLEISCH T. H. 
Published: May 2016

AbstractPhotoelectrodes of the type Pt/silicon oxide/n‐Si have been studied in aqueous iodine and bromine solutions as a function of the oxidation time used for the growth of the silicon oxide (1‐30 min at 510 °C, 1 atm O2).
ChemInform Abstract: Vinyl Azides in Heterocyclic Synthesis. Part 5. Thermal and Photochemical Decomposition of Azidocinnamates Containing ortho‐Cycloalkylidene Substituents.
Authors: MOODY C. J. , WARRELLOW G. J. 
Published: May 2016

AbstractThe title compounds (I) (syntheses described) which are stable a room temp. decompose rapidly in boiling toluene to give the products (II)‐(IV).
ChemInform Abstract: Amino Acid Complexation to a Cobalt(III) Complex of Optically Active (2R,5R,8R,11R)‐2,5,8,11‐Tetraethyl‐1,4,7,10‐tetra‐azacyclododecane (L). Preparation, Characterization, and Structure Determinations of (Co(III)((R)‐ or (S)‐alaO)L)Br(ClO4)·H2O.
Authors: TSUBOYAMA S. , SAKURAI T. , TSUBOYAMA K. 
Published: May 2016

AbstractThe ligand (I) and the starting compound (II) are prepared according to the literature.
ChemInform Abstract: Interaction of Bis(μ‐chlorodicarbonylrhodium(I)) with Nucleosides.
Authors: PNEUMATIKAKIS G. , MARKOPOULOS J. , YANNOPOULOS A. 
Published: May 2016

AbstractDepending on the reaction temp. the reaction of the chloride‐bridged Rh(I) dimer (II) with cytidine, guanosine or inosine in methanol leads to the cationic bis(ligand)dicarbonyl‐Rh(I) complexes (I) or to the neutral chloro‐tris(ligand)‐Rh(III) complexes (III).
ChemInform Abstract: Nucleophilic Ring Opening of Aziridine‐2‐carboxylates with Wittig Reagents. An Enantioefficient Synthesis of Unsaturated Amino Acids.
Authors: BALDWIN J. E. , ADLINGTON R. M. , ROBINSON N. G. 
Published: May 2016

AbstractReaction of the aziridines (I) with the triphenylphosphorane (II) gives the ring cleavage products (III) and (IV) and the Wittig products (V).
ChemInform Abstract: Diastereomeric α‐Hydroxyphosphonates from Aldehydo‐L‐xylose.
Authors: GLEBOVA Z. I. , POLENOV V. A. , UZLOVA L. A. , ZHDANOV YU. A. , YANOVSKII A. I. , STRUCHKOV YU. T. 
Published: May 2016

AbstractThe L‐xylose derivative (I) reacts with diethyl phosphite (II) to give the diastereomeric α‐hydroxyphosphonates (III) with predominance of the (R)‐isomer.
ChemInform Abstract: One‐Pot Synthesis of Heterocyclic Compounds Through Insertion of Alkynes into the Pd‐C Bond of Activated Cyclopalladated Benzyl Methyl Sulphide.
Authors: DUPONT J. , PFEFFER M. 
Published: May 2016

AbstractBenzyl methyl sulfide (I) reacts with Pd(II) acetate (II) to produce the Pd complex (III) which is transformed into the chloride complex (IV) by LiCl.
ChemInform Abstract: Cyclometalation at Monomeric Tin(II)‐Amides: A New Pathway for the Formation of Tin‐Carbon Bonds.
Authors: STADER C. , WRACKMEYER B. 
Published: May 2016

AbstractThermolysis of monomeric tin(II) amides (I) leads to the aminosilanes (II), together with tin and the cyclometalated spiro compounds (III).
ChemInform Abstract: Syntheses, Structures, and Spectroscopic Properties of Six‐Coordinate Mononuclear Oxo‐Molybdenum(V) Complexes Stabilized by the Hydrotris(3,5‐dimethyl‐1‐pyrazolyl)borate Ligand.
Authors: CLELAND W. E. JUN. , BARNHART K. M. , YAMANOUCHI K. , COLLISON D. , MABBS F. E. , ORTEGA R. B. , ENEMARK J. H. 
Published: May 2016

AbstractStarting with MoCl5 an improved synthesis of the known complex (V) via (III) is described.
ChemInform Abstract: 1,3‐Dipolar Cycloadditions with the Keto‐ and Spirocyclopropane‐Substituted Norbornenes Bicyclo(2.2.1)hept‐5‐en‐2‐one and Spiro(bicyclo(2.2.1)hept‐5‐ene‐2,1′‐cyclopropane).
Authors: ADAM W. , CARBALLEIRA N. , CRAEMER E. + , LUCCHINI V. , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G. 
Published: May 2016

Abstract1,3‐Dipolar cycloaddition of the title compounds (I) with (II) or (V) yields 1:1 mixtures of regioisomers (III) + (IV) or (VI) + (VII).
ChemInform Abstract: Trimethylsilyl Accelerated Retro‐Diels‐Alder Reaction: A Quantitative Measure of the β‐Effect.
Authors: MAGNUS P. , CAIRNS P. M. , MOURSOUNIDIS J. 
Published: May 2016

AbstractThe retro‐Diels‐Alder reactions of (VI) to (VII) and similarly of (VIII) to (IX) proceed under substantially milder conditions in comparison to those of its congeners (VI) and (VIII) (with ‐H instead of ‐SiMe3) to yield the same products (VII) and (IX), respectively.
ChemInform Abstract: Synthesis and Pharmacological Evaluation of Some Dihydropyran Carboxylic Acids.
Authors: COUDERT P. , COUQUELET J. , FIALIP J. , SANNAJUST F. , BASTIDE P. , ESCHALIER A. 
Published: May 2016

AbstractThe synthesis of the (dihydro)pyrancarboxylic acids (I), (V), and (VII) from the methyl ester (II) is reported.
ChemInform Abstract: Comparison of Dative and Covalent Metal‐Metal Bonds: Structures of the Isomers (Me3P)(OC)4OsRe(CO)4(Br) and (Br)(Me3P)(OC)3OsRe(CO)5.
Authors: EINSTEIN F. W. B. , JENNINGS M. C. , KRENTZ R. , POMEROY R. K. , RUSHMAN P. , WILLIS A. C. 
Published: May 2016

AbstractThe isomers (I) are prepared and investigated by X‐ray crystallography.
ChemInform Abstract: Organoboron Disaccharides. Part 3. Regioselective O‐Ethylboranediylation of Octakis‐O‐(diethylboryl)sucrose.
Authors: TABA K. M. , KOESTER R. + , DAHLHOFF W. V. 
Published: May 2016

AbstractIn order to avoid acid catalysts for bifunctional protection, the protection of carbohydrates by O‐ethylboranediylation is investigated.
ChemInform Abstract: Salts of Halogenophosphoric Acids. Part 15. Sulfane‐α,ω‐diyl‐bis(fluorodithiophosphates). Products of the Fluoride Degradation of Sulfur‐Rich Phosphorus Sulfides.
Authors: NEELS J. , GRIMMER A.‐R. , MEISEL M. , WOLF G.‐U. , JANCKE H. 
Published: May 2016

AbstractSulfur‐rich phosphorus sulfides "P4S10+m" (m = 0.5‐6) react with fluorides MF (M: Na, K, NH4) in MeCN or DME to give mixtures of the hitherto unknown homologs ((PFS2)2Sn)2‐ (n = 1‐8).
ChemInform Abstract: Salts of Halogenophosphoric Acids. Part 14. Preparation and Crystal Structure of Dicopper‐potassium‐hydroxide‐bis(monofluorophosphate) Monohydrate, Cu2K(OH)(PO3F)2·H2O.
Authors: MOEWIUS F. + , ZIEMER B. , RECK G. , MEISEL M. , GRUNZE H. 
Published: May 2016

AbstractAs exemplified in the scheme the title phosphate (IV) can be obtained in nearly 100% yield by reaction of potassium monofluorophosphate and Cu(II) salts in aqueous solution.
ChemInform Abstract: An Unequivocal Synthesis of (Methylazoxy)methanol Acetate and ((14C)Methylazoxy)methanol Acetate.
Authors: KEPLER J. A. , TAYLOR G. F. 
Published: May 2016

AbstractThe urethane (I) is converted to (IIb) by hydroxymethylation and protection with dihydropyran, followed by nitrosation.
ChemInform Abstract: Friedel‐Crafts Cycloalkylations of Some Epoxides. Part 2. Stereospecificity, Substituent, Product, and Kinetic Studies.
Authors: TAYLOR S. K. , DAVISSON M. E. , HISSOM B. R. JUN. , BROWN S. L. , PRISTACH H. A. , SCHRAMM S. B. , HARVEY S. M. 
Published: May 2016

AbstractTin tetrachloride‐induced ring closure of the epoxides (Ia) and (Ib) produces stereoselectively the tetrahydronaphthols (II) and (III).
ChemInform Abstract: Synthesis of Indoles from Pyridinium Salts. Part 3. On the Origin of the Indole Nitrogen Atom in the Synthesis from 3‐Nitropyridinium Salts.
Authors: AFANAS'EV A. Z. , YUROVSKAYA M. A. , BUNDEL' YU. G. 
Published: May 2016

AbstractCondensation reaction of the tetramethyl‐3‐nitropyridinium salt (I) with N‐cyclohexylacetonimine (II) gives mixtures of the indoles (III) and (IV).
ChemInform Abstract: A New Approach to the Synthesis of Pyrazidole.
Authors: IVANOV P. YU. , ALEKSEEVA L. M. , BOKANOV A. I. , SHVEDOV V. I. , SHEINKER YU. N. 
Published: May 2016

AbstractThe antidepressive drug pyrazidole (IV) is prepared from the carbazolone (I) using a new method.
ChemInform Abstract: Synthesis of Biopterin from Neopterin? The Formation of Pyrrolo(1,2‐f)pteridines Upon Side‐Chain Activation of Neopterin.
Authors: KAISER A. , WESSEL H. P. 
Published: May 2016

AbstractSince reduction of the terminal OH group in the side chain of L‐neopterin (IIa) would constitute an interesting synthesis of L‐biopterin (I) and since acylation and similar procedures are not selective enough, the preparation of cyclic acetals of (IIa) is investigated.
ChemInform Abstract: Synthesis of Pyrrolo(2,1‐c) (1,4)benzothiazines by Annellation of 3‐Alkoxycarbonylmethylene‐4H‐1,4‐benzothiazines (β‐Enamine Esters) with Dimethyl Acetylenedicarboxylate.
Authors: TRAPANI G. , REHO A. , LATROFA A. , MORLACCHI F. , LISO G. , STASI F. 
Published: May 2016

AbstractThe annellation of the benzothiazines (I) with the acetylene (II) proceeds via the Michael adducts (III) to give the pyrrolobenzothiazines (IV); both the latter can be converted to the pyrrolobenzothiazines (V).
ChemInform Abstract: Nucleophilic Additions to Thionolactones. New Synthetic Technology for the Construction of Medium‐ and Large‐Ring Ethers.
Authors: NICOLAOU K. C. , MCGARRY D. G. , SOMERS P. K. , VEALE C. A. , FURST G. T. 
Published: May 2016

AbstractThionolactones such as (I) can be conveniently transformed to substituted cyclic ethers such as (V) via addition products such as (IV) which are subsequently desulfurized to (V).
ChemInform Abstract: The Preparation, Structure, and Reactions of the Mononuclear Thiolate‐Hydride Complexes (MoH(SR)(dppe)2) (R: Bulky Alkyl or Aryl Group, dppe: Ph2PCH2CH2PPh2); X‐Ray Structure Determination of cis‐(MoH(SC6H2iPr3‐2,4,6)(dppe)2).
Authors: HENDERSON R. A. , HUGHES D. L. , RICHARDS R. L. , SHORTMAN C. 
Published: May 2016

AbstractThe bulky thiols (II) react with (I) to give the cis‐hydride complexes (III).
ChemInform Abstract: Exo‐ and Endohormones. Part 10. A Novel Route to an Isomer Mixture of 7,9‐Dodecadien‐1‐yl Acetate Utilizable in Field Attraction of Lobesia botrana Males.
Authors: DARADICS L. , OPREAN I. , HODOSAN F. 
Published: May 2016

AbstractThe synthesis of the title compound (XII) is reported.
ChemInform Abstract: Thermal Transformation of 2,2′‐Dichlorodiethyl Ether in the Presence of Iron(III) Chloride Hydrate.
Authors: ZIL'BERMAN I. E. , KOLESNIKOV V. A. , DANOV S. M. , EFREMOV R. V. 
Published: May 2016

AbstractDecomposition of the dichlorodiethyl ether (I) in the presence of iron(III) chloride gives 2‐chloroethanol (II) and 1,2‐dichloroethane (III).
ChemInform Abstract: Tricyclo(5.3.0.02,8)deca‐3,5,9‐triene.
Authors: DRESSEL J. , PAQUETTE L. A. 
Published: May 2016

AbstractThe title compound (IVa) is obtained from the known dibromide (I) via the sulfide (II) and the α‐chloro sulfone (III) by desulfonylative ring contraction which is completed within 1 h to give pure (IVa) (no yield given).
ChemInform Abstract: Superconductivity at 91 K in the Magnetic Oxide HoBa2Cu3O6+x.
Authors: PORTER L. C. , THORN R. J. , GEISER U. , UMEZAWA A. , WANG H. H. , KWOK W. K. , KAO H.‐C. I. , MONAGHAN M. R. , CRABTREE G. W. , CARLSON K. D. , WILLIAMS J. M. 
Published: May 2016

AbstractYBa2Cu3O6+x (x = 0.5) (I) is known to be superconducting at ∼ 90 K and it is suggested that other LnBa2Cu3O6+x (Ln: lanthanoid) compounds also exhibit superconducting properties.
ChemInform Abstract: The Eutectoid Decomposition of MgO‐Partially‐Stabilized ZrO2
Authors: FARMER S. C. , HEUER A. H. , HANNINK R. H. J. 
Published: May 2016

Abstract(containing 8.1‐18.6 mol% MgO) has been studied using optical microscopy, SEM, and TEM to determine the kinetics of the eutectoid reaction and the morphology and crystallographic relationships of the reaction products.
ChemInform Abstract: Palladium‐Catalyzed Cross‐Coupling Reaction of (1‐Ethoxy‐1‐alken‐2‐yl)boranes with ortho‐Functionalized Iodoarenes. A Novel and Convenient Synthesis of Benzo‐Fused Heteroaromatic Compounds.
Authors: SATOH M. , MIYAURA N. , SUZUKI A. 
Published: May 2016

AbstractThe indoles and benzofurans (IV) are obtained by the palladium‐catalyzed reaction of the ortho‐substituted iodoarenes (I) with the (1‐ethoxy‐1‐alken‐2‐yl)boranes (II) and subsequent acid‐catalyzed cyclization.
ChemInform Abstract: On the Regio‐ and Stereoselectivity of Bu4N(Fe(CO)3NO)‐Catalyzed Allylic Alkylation.
Authors: XU Y. , ZHOU B. 
Published: May 2016

AbstractThe reaction of allylic carbonates such as (I), (V), and (VIII) with the malonate anions (III) or (IX) is catalyzed by the iron complex (II) to produce regio‐ and stereoselectively allylated malonates such as (IV), (VI), (VII), and (X).
ChemInform Abstract: S‐((N,N′‐Diarylamino)methyl) Diethyldithiocarbamates and Related Amides as Potential Radioprotectants.
Authors: PANTEV T. P. 
Published: May 2016

AbstractReaction of chloroacetyl chloride (I) with the anilines (II) yields the chloroacetanilides (III) which are converted to the dithiocarbamate derivatives (V) and (VI).
ChemInform Abstract: Benzimidazole Derivatives with Atypical Antiinflammatory Activity.
Authors: LAZER E. S. , MATTEO M. R. , POSSANZA G. J. 
Published: May 2016

AbstractCyclization of the o‐phenylenediamines (I) and subsequent alkylation produce the thioalkylbenzimidazoles (IV) which are oxidized with MCPBA to give the sulfones (V).
ChemInform Abstract: 4‐Substituted 1‐(1‐(2‐(Arylthio)‐5‐halogenophenyl)ethyl)piperazines; Synthesis and Biological Screening.
Authors: VALENTA V. , HOLUBEK J. , PROTIVA M. 
Published: May 2016

AbstractThe title compounds (V) and (VIII) are prepared by analogous routes starting from the acetophenones (I) and (VII), respectively.
ChemInform Abstract: Cubic Azaparacyclophane.
Authors: MURAKAMI Y. , KIKUCHI J. , HIRAYAMA T. 
Published: May 2016

AbstractThe tetraazaparacyclophane (I), prepared from 1,4‐bis(chloromethyl)benzene and p‐toluenesulfonamide by coupling reaction and subsequent removal of the N‐tosyl groups, is acylated to give the tetracarboxylic acid (II).
ChemInform Abstract: Lanthanoid Complexes with Compartmental Schiff Bases.
Authors: GUERRIERO P. , CASELLATO U. , TAMBURINI S. , VIGATO P. A. , GRAZIANI R. 
Published: May 2016

AbstractAcyclic and cyclic compartmental Schiff bases (I) and (V) are prepared by condensation of 2,6‐diformyl‐4‐chlorophenol with diethylenetriamine or bis(2‐aminoethyl)sulfide in CHCl3 in the appropriate molar ratio.
ChemInform Abstract: Physical Characteristics of Synthesized 1,4‐Bis(arylamino)‐2‐(aryloxy)anthraquinone Dyes for Synthetic Polymer Fibers.
Authors: UKPONMWAN D. O. , GREENHALGH M. , PETERS A. T. 
Published: May 2016

AbstractThe title compounds (III) are synthesized by reaction of the known dyes (I) with the aryl bromides (II).
ChemInform Abstract: Carbon Dioxide. A Reagent for the Protection of Nucleophilic Centers and the Simultanous Activation for Electrophilic Attack. Part 4. The α‐Substitution of Benzyl Alcohol and Benzylamine.
Authors: KATRITZKY A. R. , FAN W.‐Q. , AKUTAGAWA K. 
Published: May 2016

AbstractBenzyl alcohol (I) is metallated in α‐position after conversion to the lithium carbonate (II).
ChemInform Abstract: Synthesis of Esters of d,l‐α‐Tocopherol with Higher Fatty Acids.
Authors: ASHIROVA V. E. , ZAKHAROVA E. I. , FEDOROVA G. A. , SARYCHEVA I. K. , EVSTIGNEEVA R. P. 
Published: May 2016

AbstractThe title compounds (IV) are prepared by acylation of D,L‐α‐tocopherol (I) with the fatty acids (II) in the presence of carbonyldiimidazole (IIIa) or thionyldiimidazole (IIIb).
ChemInform Abstract: Aromatic Ketone‐Naphthalene Systems as Absolute Standards for the Triplet‐Sensitized Formation of Singlet Oxygen, O2(1δg), in Organic and Aqueous Media: A Time‐Resolved Luminescence Study.
Authors: GORMAN A. A. , HAMBLETT I. , LAMBERT C. , PRESCOTT A. L. , RODGERS M. A. J. , SPENCE H. M. 
Published: May 2016

AbstractTriplet states of simple aromatic hydrocarbons, naphthalene, biphenyl, and fluorene, are formed with unit efficiency by triplet energy transfer from aromatic ketone triplets, themselves formed by pulsed laser excitation (355 nm) in aerated cyclohexane, dioxane, benzene, toluene, and acetonitrile.
ChemInform Abstract: A Test for Synergetic Captodative Radical Stabilization.
Authors: BIRKHOFER H. , HAEDRICH J. + , BECKHAUS H.‐D. , RUECHARDT C. + 
Published: May 2016

AbstractIn contrast to predictions based on the concept of captodative radical stabilization, the rate constants k for the formation of the radicals (II) from the diphenylethanes (I) increase dramatically in the order (IIa) < (IIb) < (IIc).
ChemInform Abstract: Preparation of α‐Quinque‐ and α‐Septithiophenes and Their Positional Isomers.
Authors: NAKAYAMA J. , NAKAMURA Y. , MURABAYASHI S. , HOSHINO M. 
Published: May 2016

Abstractα‐Bithiophene (Ia) and α‐terthiophene (Ib) are transformed into α‐quinque‐ and α‐septithiophene (IIIa) and (IIIb) respectively as shown in the reaction scheme.
ChemInform Abstract: N‐Hydroxypyridine‐2‐thione Carbamates as Aminyl and Aminium Radical Precursors. Cyclizations for Synthesis of the Pyrrolidine Nucleus.
Authors: NEWCOMB M. , DEEB T. M. 
Published: May 2016

AbstractPhotolysis of the carbamate (I) in the absence or presence of an H atom donor and/or an acid yields either one of the products (II)‐(IV); under other conditions mixtures of these compounds are obtained.
ChemInform Abstract: Selective Reduction and Cleavage of the N‐N Bond of Fused Tetrahydropyridazines: A Route to Functionalized Lactams.
Authors: GILCHRIST T. L. , HUGHES D. , WASSON R. 
Published: May 2016

AbstractThe azoalkenes (IV) are prepared from the hydrazides (I) and α‐halo ketones (II) via the intermediate hydrazones (III).
ChemInform Abstract: Roles of Neutral and Anionic Ruthenium Polyhydrides in the Catalytic Hydrogenation of Ketones and Arenes.
Authors: LINN D. E. JUN. , HALPERN J. 
Published: May 2016

AbstractAddition of cyclohexanone to the complex (I) results in the formation of cyclohexanol (IV) and the complex (III) in a rate‐determining step.
ChemInform Abstract: Heteroaromatic Acetonitriles. Part 1. Reactions of 5‐Substituted (4H‐1,2,4‐Triazol‐3‐yl)acetonitriles with Salicylaldehyde.
Authors: KUZMIERKIEWICZ W. 
Published: May 2016

AbstractThe Knoevenagel condensation of the title compounds (I) and (II) leads to the expected coumarin imines (III) only in the presence of alcoholic NaOH as base catalyst.
ChemInform Abstract: Kinetics and Mechanism of Oxygen Transfer in the Reaction of p‐Cyano‐N,N‐dimethylaniline N‐Oxide with Metalloporphyrin Salts. Part 7. Oxygen Atom Transfer to and from (meso‐Tetrakis(pentafluorophenyl)porphinato)iron(III) Chloride.
Authors: OSTOVIC D. , KNOBLER C. B. , BRUICE T. C. 
Published: May 2016

AbstractThe reaction of p‐cyano‐N,N‐dimethylaniline N‐oxide with the electron‐deficient title complex is investigated in CH2Cl2 at 25 °C. It is suggested that the formation of the oxoiron(IV) π‐cation radical of the title complex together with p‐cyano‐N,N‐dimethylaniline is rate controlling, as substantiated by use of 2,4,6‐tri‐tert‐butylphenol, N,N‐dimethylaniline, and N,N‐dimethyltoluidine astraps for the complex species.
ChemInform Abstract: Electrocatalytic Reduction of Carbon Dioxide to Methanol. Part 5. Relationship Between the Ability of Metal Complexes to Engage in Homogeneous Catalysis and Their Coordination Chemistry.
Authors: OGURA K. , UCHIDA H. 
Published: May 2016

AbstractCO2 is reduced at a mediated electrode in the presence of a metal complex and a primary alcohol.
ChemInform Abstract: New Practical Synthesis of Silyl Enol Ethers. Part 1. From Simple Aldehydes and Ketones.
Authors: CAZEAU P. , DUBOUDIN F. , MOULINES F. , BABOT O. , DUNOGUES J. 
Published: May 2016

AbstractA new, practical route to enoxysilanes such as (II), (IV), (VII), (IX)‐(XIII), (XV), (XVI), (XVIII), (XIX), (XXI), (XXII) from simple enolizable ketones and aldehydes such as (I), (III), (VI), (VIII), (XIV), (XVII) or (XX) uses the reagent systems A) or B).
ChemInform Abstract: Reactions with Indole Derivatives. Part 55. An Enantiodivergent Route to Both Vincamine Enantiomers.
Authors: HAKAM K. , THIELMANN M. , THIELMANN T. , WINTERFELDT E. 
Published: May 2016

AbstractThe title compound (XIX) is prepared starting from the diester (I) via enantioselective transformation to the lactam (VI) followed by conversion to (‐)‐eburnamonine (XVa).
ChemInform Abstract: Nucleoside Phosphonates. Part 7. Oxidation of Nucleoside Phosphonate Esters.
Authors: GAREGG P. J. , REGBERG T. , STAWINSKI J. , STROEMBERG R. + 
Published: May 2016

AbstractAmong some methods for oxidation of phosphonates such as (I) the use of I2 proves to be the most efficient procedure.
ChemInform Abstract: Palladium‐Catalyzed Intramolecular Arylation: A New Synthesis of Munduserone.
Authors: AMOS P. C. , WHITING D. A. 
Published: May 2016

Abstract2H‐Chromene (I) reacts with phenylmercury(II) chloride and methanol to give the methoxyphenyl derivative (II).
ChemInform Abstract: A Novel Convenient Preparation of Dihydroxyacetone Phosphate and Its Use in Enzymatic Aldol Reactions.
Authors: EFFENBERGER F. , STRAUB A. 
Published: May 2016

Abstract1,3‐Dihydroxyacetone (I) reacts with the orthoester (II) to form the bis(hydroxymethyl)dioxane (III) which is phosphorylated and neutralized to produce the diphosphate (IV).
ChemInform Abstract: Electron Spin Resonance Study of the Equilibrium Between Tetrahalogeno‐ and Pentahalogeno‐nitridotechnetate(VI) Ions in Solution.
Authors: BALDAS J. , BOAS J. F. , BONNYMAN J. 
Published: May 2016

AbstractThe ESR spectra of (AsPh4)(TcNX4) and Cs2(TcNX5) (X: Cl, Br), recorded in non‐aqueous and concentrated aqueous acid solutions, show that the predominant species in solution is the tetrahalogenonitridotechnetate ion, where the trans position may be vacant or occupied by a solvent molecule.
ChemInform Abstract: Protonation and Alkylation of 1‐Arylpropenyl‐lithium (I).
Authors: TANAKA J. , NOJIMA M. , KUSABAYASHI S. , NAGASE S. 
Published: May 2016

AbstractThe factors which influence the regio‐ and stereochemistry of protonation and alkylation of (I) are studied extensively.
ChemInform Abstract: Synthesis and Thermo‐Catalytic Isomerization of 1,2,3‐Triphenyl‐3‐(diacylmethyl)‐cyclopropenes.
Authors: PLOTKIN V. N. , DOMNIN I. N. , DMITRIEVA E. F. , KOMENDANTOV M. I. 
Published: May 2016

AbstractThe title compounds (III) are prepared.
ChemInform Abstract: 2,3‐Methano‐2,4‐didehydroadamantane (II): A (4.1.1)Propellane Possessing Two Unequivalent Inverted Carbons.
Authors: MAJERSKI Z. , ZUANIC M. 
Published: May 2016

AbstractPyrolysis of the tosylhydrazone Na salt (I) yields via the intermediate carbene the title compound (II) (MS, IR, 1H, and 13C NMR).
ChemInform Abstract: Silyl Peroxides as Selective Oxygenation Reagents in Phosphorus Chemistry.
Authors: KOWALSKI J. , WOZNIAK L. , CHOJNOWSKI J. 
Published: May 2016

AbstractUsing stoichiometric amounts of bis(trimethylsilyl) peroxide (II), the trivalent phosphorus compounds (I) are transformed into the P=O derivatives (III).
ChemInform Abstract: Synthesis, Characterization, and Ligand Substitution of (HFe4(CO)12BH)‐: An Isoelectronic and Isoprotonic Inorganometallic Analogue of HFe4(CO)12CH.
Authors: HOUSECROFT C. E. , BUHL M. L. , LONG G. J. , FEHLNER T. P. 
Published: May 2016

AbstractThe title anion is prepared as its bis(phosphine)imminium salt (II) by deprotonation of the cluster (I) and by the expansion reaction of the cluster (III) using Fe2(CO)9 (IV).
ChemInform Abstract: Wittig Reactions with β‐Lactam Carbonyl Functions. The Effect of C‐7 Substitution on the Chemistry of Penicillins and Clavulanic Acid Derivatives.
Authors: GILPIN M. L. , HARBRIDGE J. B. , HOWARTH T. T. 
Published: May 2016

AbstractWittig reaction of penicillin V benzyl ester (I) with the phosphoranes (II) yields the (Z)‐ and (E)‐Wittig products (III) and (IV).