bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: An Answer to the Spiro versus Ansa Dilemma in Cyclophosphazenes. Part 13. Synthesis and Crystal Structure of the First Di‐Macrospiro and Di‐Megaspiro Species from Di‐ and Trioxodiamines.
Authors: SOURNIES F. , EL BAKILI A. , ZANIN B. , LABARRE J.‐F. , JAUD J.
Published: May 2016

The title compounds (I) and (II) are obtained by aminolysis of N3P3Cl6 by the appropriate di‐ or trioxodiamines in toluene/Na2CO3 in a two‐step process.
ChemInform Abstract: Germanium‐Oxygen Interactions in Acyl‐Substituted Germyleneazines L2GeNNC(COX)(COY).
Authors: GLIDEWELL C. , LLOYD D. , WIBERG N.
Published: May 2016

From MNDO calculations it is seen that the most stable form of the 1:1 adduct from reaction of the electron‐rich germylene ((Me3Si)2N)2Ge with diazocompound N2C(COOMe)2 is a product of cyclic configuration resulting from a strong intramolecular interaction between the oxygen of one of the carbonyl groups and the germanium atom.
ChemInform Abstract: Reactions of Pentacarbonyl(trifluoromethyl isocyanide)chromium with Nucleophiles.
Authors: LENTZ D. , MARSCHALL R.
Published: May 2016

In the title reactions the first nucleophilic attack occurs at the isocyanide carbon atom.
ChemInform Abstract: Synthesis and CD Spectral Studies on Isomers of cis‐Dicyanobis(propylenediamine)chromium(III) Chloride.
Authors: SAKABE Y.
Published: May 2016

The title compound is obtained by successive treatment of (Cr(OH2)6)2(SO4)3·nH2O with dl‐1,2‐diaminopropane (dl‐pn) and KCN (molar ratio 1:6:6) as a mixture of (d‐pn)(1‐pn), (d‐pn)2 and (1‐pn)2 isomers which are separated by liquid chromatography.
ChemInform Abstract: The Synthesis, Electrochemistry and Thermal Behavior of Some Molybdenum Mononitrosyl Complexes Incorporating Long Chain Alkyl Substituents.
Authors: COE B. J. , JONES C. J. , MCCLEVERTY J. A. , BRUCE D. W.
Published: May 2016

The new complexes (I) and (II) are synthesized in yields of 55‐85% according to established methods starting with the corresponding dihalide compounds.
ChemInform Abstract: Reactivity of Tricyclopentadienyl Uranium Tetrahydroaluminate.
Authors: OSSOLA F. , BRIANESE N. , PORCHIA M. , ROSSETTO G. , ZANELLA P.
Published: May 2016

As shown in the scheme, the title complex (III) reacts with alkyl halides and alcohols such as (II) and (IV) as a typical metal hydride, while with BH3·SMe2 the compound Cp3U(BH4) is formed.
ChemInform Abstract: Synthesis and Characterization of Trigonal‐Bipyramidal Methylidyne Clusters of the Type EFe3(CO)9CH (E: As, Sb, Bi) by Reaction of the Carbido Cluster Fe5C(CO)15 with Metallic Arsenic and Bismuth or SbCl5.
Authors: CABALLERO C. , NUBER B. , ZIEGLER M. L.
Published: May 2016

The title carbido‐Fe cluster (I) reacts with metallic As and Bi (II) in the presence of H2SO4 or H2O, resp., or with SbCl5 (III) to give the title clusters (IV) ((IVa) and (IVc): space group P21/n, Z=4; (IVb): C2/c, Z = 8).
ChemInform Abstract: Alkoxymethylation of Ferrocenylalkenes.
Authors: KETTER A. , HERRMANN R.
Published: May 2016

The reaction of ferrocenylalkenes e.g. (I) with chloromethyl alkyl ethers catalyzed by Lewis acids such as TiCl2(OiPr)2 gives 3‐alkoxy‐1‐ferrocenyl carbocations which can be trapped by nucleophiles e.g. N3‐ (III) or NHMe2 to yield 1,3‐disubstituted ferrocenylalkane derivatives of the type (IV).
ChemInform Abstract: Nickel Nitrosyl Complexes with Diphosphines. The Crystal and Molecular Structure of ((dppe)(ON)Ni(μ‐dppe)Ni(NO)(dppe))(BF4)2 (dppe: Ph2PCH2CH2PPh2).
Authors: DEL ZOTTO A. , MEZZETTI A. , NOVELLI V. , RIGO P. , LANFRANCHI M. , TIRIPICCHIO A.
Published: May 2016

A variety of 23 diphosphine complexes such as (II), (V) and (XII) of the Ni(NO) group are prepared by different methods.
ChemInform Abstract: Linear Oligophosphaalkanes. Part 24. Syntheses and Structural Characterization of Cu8 Complexes with Electron‐Deficient Phosphido Bridges.
Authors: HESSLER G. , KNUEPPEL P. C. + , STELZER O. , SHELDRICK W. S.
Published: May 2016

Octanuclear Cu(I) complexes of the type (IV) are synthesized by reaction of the disilyldiphosphanes (I) with four equiv. CuCl (II) or CuBr or a 1:1 mixture of CuCl and CuI in the presence of pyridine (III) as an auxiliary ligand as demonstrated for the examples (Va)‐(Vc).
ChemInform Abstract: A Novel Au‐Ag Supracluster: Preparation and Structure of (Au13Ag12(μ2‐Cl)6(Ph3P)10Cl2)·nEtOH.
Authors: HONG M. , HUANG Z. , KANG B. , LEI X. , LIU H.
Published: May 2016

The new 25‐atom Au‐Ag title cluster cation is obtained by reaction of HAuCl4·4 H2O with PPh3 and tetrameric AgCl(PPh3) (molar ratio 4:8:1) in ethanol followed by NaBH4 addition.
ChemInform Abstract: Synthesis and Reactions of Hydrido(oxime), Hydrido(oximato) and Alkenyl(oximato) Complexes of Ruthenium and Osmium.
Authors: MEYER U. , WERNER H.
Published: May 2016

The octahedral hydrido(oxime)‐Ru and ‐Os complexes (III) are synthesized by reactions of corresponding carbonyl(hydrido) complexes such as (I) with the aldoximes and ketoximes (II).
ChemInform Abstract: Metallacyclic Complexes. Part 3. Reactions of Metallathietane 3,3‐Dioxide Complexes of Platinum(II) and Palladium(II) with Alkyl Isocyanides: The Single Crystal X‐Ray Structure of Cyclic (Pt(CH(COPh)S(O)2C‐(COPh)C=N+HnBu)(CNtBu)(PPh3))·CHCl3.
Authors: HENDERSON W. , KEMMITT R. D. W. , PROUSE L. J. S. , RUSSELL D. R.
Published: May 2016

The reactions of the title complexes (I) with alkyl isocyanides (II) are dependent on both the mole ratio of the reactants and the ring substituent R1, resulting in ligand substitution or ring‐insertion and hydrogen migration as shown in the scheme.
ChemInform Abstract: The Synthesis of Monosubstituted Derivatives of 6‐Amino‐3,3′‐bis(p‐dimethylaminophenyl)phthalide.
Authors: SUTTER P. , WEISS C. D.
Published: May 2016

Careful nitration of malachite green lactone (I) yields the 6‐nitro derivative (III) which is subjected to catalytic hydrogenation, producing the 6‐amino analogue (IV).
ChemInform Abstract: Dimerization Reactions of Cyanine Radical Dications.
Authors: PARTON R. L. , LENHARD J. R.
Published: May 2016

Various cyanine dyes, e.g. (I), are treated with ferric chloride hexahydrate to generate radical dications which undergo CC coupling, forming dimers such as (III), (IV), or (V).
ChemInform Abstract: The Total Synthesis of (+)‐Ryanodol. Part 2. Model Studies for Rings B and C of (+)‐Anhydroryanodol. Preparation of a Key Pentacyclic Intermediate.
Authors: DESLONGCHAMPS P. , BELANGER A. , BERNEY D. J. F. , BORSCHBERG H.‐J. , BROUSSEAU R. , DOUTHEAU A. , DURAND R. , KATAYAMA H. , LAPALME R. , LETURC D. M. , LIAO C.‐C. , MACLACHLAN F. N. , MAFFRAND J.‐P. , MARAZZA F. , MARTINO R. , MOREAU C. , RUEST L. , SAINT‐LAURENT L. , SAINTONGE R. , SOUCY P.
Published: May 2016

Starting from the known spirolactone (I) and the carvone‐derivative (II), the pentacyclic dihydroxy ketoaldehyde (III) is prepared in its racemic and both optically active forms.
ChemInform Abstract: Oxidative Preparation of Optically Active N‐Hydroxy‐α‐amino Acid Amides.
Authors: FEENSTRA R. W. , STOKKINGREEF E. H. M. , REICHWEIN A. M. , LOUSBERG W. B. H. , OTTENHEIJM H. C. J.
Published: May 2016

The optically active amino acids (I) ‐ prepared by enzymatic resolution of their racemic forms ‐ are converted to the title compounds (V) with overall yields of 65‐85%.
ChemInform Abstract: Monoterpene Alkaloids. Part 1. Regioselective Functionalization of N‐Methyl‐2‐cyclopentadienylpropylamine.
Authors: ALAZARD J.‐P. , BRAYER J.‐L. , THAL C.
Published: May 2016

The regioselective aminomethylenation with the DMF acetal (III) fails when the title amine (I) is used for the reaction but proceeds successfully in the case of its N‐formyl derivative.
ChemInform Abstract: Ergot Alkaloids. Part 73. 9,10‐Dihydroergopeptines Modified in Position 6.
Authors: BERAN M. , CERNY A. , KUCHAR M. , ADAMIROVA H. , HOLUBEK J. , TAIMR J. , VACHEK J. , FRUEHAUFOVA M. + , REZABEK K. , VALCHAR M. , KREJCI I.
Published: May 2016

Twenty members of the title compounds such as (VI) are prepared from 9,10‐dihydroergotamine (Ia) and 9,10‐dihydroergocristine (Ib).
ChemInform Abstract: Oxidative and Nonoxidative Formation of Internucleotide Linkages.
Authors: BRILL W. K.‐D. , YAU E. , CARUTHERS M. H.
Published: May 2016

The nucleoside hydrogenphosphonodithioate (I) is oxidatively coupled with the aminoanthracene (II) or the nucleotide (V) in the presence of iodine to produce the phosphorodithioates (IV) or (VI).
ChemInform Abstract: Moenomycin A: A Structural Revision and New Structure‐Activity Relations.
Authors: FEHLHABER H.‐W. , GIRG M. , SEIBERT G. , HOBERT K. , WELZEL P. , VAN HEIJENOORT Y. , VAN HEIJENOORT J.
Published: May 2016

A detailed FAB MS analysis combined with NMR and chemical results requires the structure of moenomycin A to be the carboxamide (I) and not the free carboxylic acid as originally derived from degradation experiments.
ChemInform Abstract: Ab initio Study on Dialane(6) and Digallane(6).
Authors: LAMMERTSMA K. , LESZCZYNSKI J.
Published: May 2016

The HF/3‐21G* structure determined for Ga2H6 is in good agreement with recent experimental data.
ChemInform Abstract: The Crystal Structure of K7Nb(SO4)6 and K7Ta(SO4)6.
Authors: BORUP F. , BERG R. W. , NIELSEN K.
Published: May 2016

The title compounds are prepared by reaction of Nb2O5 and Ta2O5 in molten K2S2O7 at 440 °C and subsequent slow cooling (1 °C/d) to 420 °C. The isostructural compounds crystallize in the rhombohedral space group R3 with Z=3.
ChemInform Abstract: Preparation and Characterization of Cu2ZnGeS4‐ySey.
Authors: DOVERSPIKE K. , DWIGHT K. , WOLD A.
Published: May 2016

Cu2ZnGeS4 (I) exists as tetragonal stannite phase below 790 °C and as orthorhombic wurtz‐stannite phase above this temp., whereas Cu2ZnGeSe4 crystallizes only in the tetragonal stannite structure.
ChemInform Abstract: Mechanism of the Oxidative Coupling of Methane Using CO2 as an Oxidant Over PbO‐MgO.
Authors: NISHIYAMA T. , AIKA K.
Published: May 2016

The reaction CH4 + CO2 → CH3‐CH3 + CH2=CH2 + CO + H2O is studied at 1073 K under 8.3 kPa of each reactant and P(O)2 = 0.08 kPa over a 15 mol.% PbO/MgO catalyst.
ChemInform Abstract: Stereoselective Nucleophilic Additions to the Carbon‐Nitrogen Double Bond. Part 3. Chiral Acyliminium Ions.
Authors: POLNIASZEK R. P. , BELMONT S. E. , ALVAREZ R.
Published: May 2016

The cyclic anhydrides (I) are coupled with the chiral phenethylamines (II) to produce the imides (III).
ChemInform Abstract: (4 + 2) Cycloadditions with Transition‐Metal‐Coordinated Heteroalkenes: The Influence of the Coordination on the Stereoselectivity of the Cycloaddition.
Authors: FISCHER H. , GERBING U. , TREIER K. , HOFMANN J.
Published: May 2016

The cycloaddition reactions of the complexes (I) with cyclopentadiene (II) and 1,3‐cyclohexadiene (IV) give stereoselectively the exo‐isomers, in contrast to the endo‐selectivity observed in the analogous reactions of uncomplexed thio‐ and selenoaldehydes.
ChemInform Abstract: Generation and Reactions of Novel Copper Carbenoids Through a Stoichiometric Reaction of Copper Metal with gem‐Dichlorides in Dimethyl Sulfoxide.
Authors: TEZUKA Y. , HASHIMOTO A. , USHIZAKA K. , IMAI K.
Published: May 2016

The geminal dichlorides (I), (III), or (VIII) are treated with copper powder in DMSO to form the symmetrical olefins (II), (V), or (IX) due to twofold CC coupling.
ChemInform Abstract: A New, General Cyclopentanone Synthesis.
Authors: CECCHERELLI P. , CURINI M. , MARCOTULLIO M. C. , ROSATI O. , WENKERT E.
Published: May 2016

The ketones (I) are converted to the α,β‐unsaturated carboxylic acids (VI) via Reformatskii reaction, acetoxylation, elimination of acetic acid, and saponification.
ChemInform Abstract: The Conversion of Phenols to Primary and Secondary Aromatic Amines via a Smiles Rearrangement.
Authors: COUTTS I. G. C. , SOUTHCOTT M. R.
Published: May 2016

Twenty α‐aryloxyisobutyramides (III) are prepared in 31‐98% yield, and converted to the arylamides (IV).
ChemInform Abstract: Asymmetric Induction in the (2,3) Wittig Rearrangement by Chiral Substituents in the Allyl Moiety: 1,3‐Asymmetric Induction.
Authors: SCHEUPLEIN S. W. , KUSCHE A. , BRUECKNER R. + , HARMS K.
Published: May 2016

The Wittig‐Still rearrangements of the stannylated ethers (I), possessing a chiral dioxolane auxiliary, are stereochemically complementary and yield the homoallylic anti‐ and syn‐alcohols (II) and (III) with high diastereoselectivities.
ChemInform Abstract: Photooxidation of Alkylbenzenes in the Presence of Bromides.
Authors: NAKADA M. , FUKUSHI S. , HIROTA M.
Published: May 2016

In the presence of organic bromides Ph‐Br or Ph‐CH2Br, toluene (Ia) is oxidized photochemically by air or O2 to yield benzaldehyde (IIa) as the major product.
ChemInform Abstract: Oxidation of Cycloalkanols to the Corresponding Cycloalkanones with Chlorine in the Presence of Nitroxide Radical as a Mediator.
Authors: YAMAGUCHI M. , TAKATA T. , ENDO T.
Published: May 2016

A useful new redox system is developed for the oxidation of e.g., cycloalkanols (I) and (III) consisting of the nitroxide radical (cat.) and Cl2.
ChemInform Abstract: Kinetics of Oxidation of Ethanol, Isopropyl Alcohol, and Benzyl Alcohol by (Ethylenebis(biguanide))silver(III) Cation in Aqueous Perchloric Acid Solutions.
Authors: BANERJEE R. , DAS A. , DASGUPTA S.
Published: May 2016

The title reaction proceeds via two concurrent paths, both first order with respect to the concentration of the reagent and the alcohol.
ChemInform Abstract: A Convenient Synthesis of Primary Amines Using Sodium Diformylamide as a Modified Gabriel Reagent.
Authors: HAN Y. , HO H.
Published: May 2016

The primary amines (IV) and (VIII) or their hydrochlorides (V) are prepared from the alkyl halides or sulfonates (I)/(VI) and sodium diformylamide (II) in a one‐pot or a two‐step process.
ChemInform Abstract: Stereochemical Control of Consecutive Stereogenic Centres by Intramolecular Hydroboration of Dialkenyl Carbinol Derivatives.
Authors: HARADA T. , MATSUDA Y. , WADA I. , UCHIMURA J. , OKU A.
Published: May 2016

Hydroboration of the dienyl silyl ether (I) and subsequent oxidative work‐up produce the diols (II) ‐ (IV) in a ratio depending on the borane employed.
ChemInform Abstract: Regio‐ and Chemoselective N‐C Bond Formation via Carbon Dioxide: A New Source of the Methyl Group. Applications to N‐Methylated Secondary and Tertiary Amines.
Authors: RAM S. , SPICER L. D.
Published: May 2016

Mild and selective N‐methylation of secondary and primary amines such as (I) is achieved via N‐silylation with hexamethyldisilazane (II), followed by carboxylation and reduction with lithium alanate or sodium di(methoxyethoxy)aluminum hydride to give methylamines such as (V).
ChemInform Abstract: N‐(2‐vinyloxyethyl)‐ and N,N′‐Bis(2‐vinyloxyethyl)ureas and ‐thioureas from 2‐Vinyloxyethylamine.
Authors: LAVROV V. I. , PARSHINA L. N. , NEDOLYA N. A. , PAPSHEVA N. P. , STANKEVICH V. K. , KUKHAREV B. F.
Published: May 2016

Condensation of equimolar amounts of 2‐vinyloxyethylamine (I) and urea (II) yields the N‐vinyloxyethylurea (III).
ChemInform Abstract: Decarboxylation of Sodium 1‐Nitrocyclopropanecarboxylates. A Facile Synthesis of Nitrocyclopropanes.
Authors: O'BANNON P. E. , DAILEY W. P.
Published: May 2016

The 1‐nitrocyclopropanecarboxylates (III), prepared by cyclopropanation of the olefins (I) with the diazonitroacetate (II), are saponified to form the corresponding sodium salts (V).
ChemInform Abstract: The Synthesis of Cyclohexane‐1,3‐diones Bearing an Isoxazoline or a Dihydro‐1,2‐oxazine Ring at C2.
Authors: BEST W. M. , BROWN R. F. C. , TISO P. D. , WATSON K. G.
Published: May 2016

O‐Alkyloximes of 2‐acylcyclohexane‐1,3‐diones are known to be herbicidal.
ChemInform Abstract: Exploratory Synthetic Methodology Involving the Acylureas.
Authors: BELLETIRE J. L. , HILLER M. M.
Published: May 2016

N,N‐Dimethylurea (I) is coupled with the acyl chlorides (II) using potassium hydride as the base to give the N‐acylureas (III).
ChemInform Abstract: The Oxidation of α,β‐Unsaturated Ketones in Aqueous Sodium Perborate.
Authors: REED K. L. , GUPTON J. T. , SOLARZ T. L.
Published: May 2016

The enones (I) are epoxidized with aqueous sodium perborate to yield the acyloxiranes (II).
ChemInform Abstract: Diastereoselectivity in the Halolactonization of 2‐Alkoxy‐4‐alkenoic Acids and ‐4‐alkenamides.
Authors: MAIER M. E. , KANDLER H. , HALLER B. U. , HOFMANN J. H. , FISCHER H.
Published: May 2016

Iodolactonization of the title acids (I) under kinetic control yields the cis lactones (II) as major products.
ChemInform Abstract: Novel Photocyclization Between Quinone and 1,1‐Diphenylcyclopropane.
Authors: MARUYAMA K. , IMAHORI H. , OZAWA Y.
Published: May 2016

Irradiation of 2,3‐dichloro‐1,4‐naphthoquinone (I) and 1,1‐diphenylcyclopropane (II) in acetonitrile results in the formation of the spiro‐fused tetrahydrofuran (III).
ChemInform Abstract: A New Route to Naphtho(2,3‐b)furan‐4,9‐diones from Thiosubstituted 1,4‐Naphthoquinones.
Authors: KANG W.‐B. , SEKIYA T. , TORU T. , UENO Y.
Published: May 2016

The naphthoquinones (I) react with pyridinium ylides (II) or lithium enolates (V) to give the alkylated quinones (III) (22 examples) or (VI), respectively.
ChemInform Abstract: Synthesis of Perfluorinated Oxazoles.
Authors: KOSHELEV V. M. , BARSUKOV I. N. , VASIL'EV N. V. , GONTAR' A. F.
Published: May 2016

The defluorination of the perfluoroacylimines (I) in the presence of metallic zinc gives the 2‐perfluoroalkyl‐substituted oxazoles (II) as the result of an intramolecular cyclization.
ChemInform Abstract: Addition of 4‐Phenyltriazolinedione to Carbonyl Compounds: The Formation of α‐Urazolylcarbonyl Compounds.
Authors: WILSON R. M. , HENGGE A. C. , ATAEI A. , CHANTARASIRI N.
Published: May 2016

In analogy to the reaction of dimethyl malonate (I) or dimedone (IV) with diethyl azodicarboxylate (II) to give the N‐C linked products (III) or (V), the ketones (VI) are coupled with the triazolinedione (VII) in the presence of trifluoroacetic acid, yielding the α‐urazolyl ketones (VIII).
ChemInform Abstract: Efficient and Improved Procedure for the Synthesis of 3‐Chloro Derivatives of Flavones, Chromones, and Their Sulfur Analogues.
Authors: DIKE S. Y. , MAHALINGAM M.
Published: May 2016

The chromones (Ia), the flavones (Ib), and their thio analogues (Ic) and (Id) are chlorinated with sulfuryl chloride in the presence of a clay catalyst to produce the 3‐chloro derivatives (II).
ChemInform Abstract: An Efficient Synthesis of 8‐Methoxy‐ and 8‐Hydroxy‐1‐methylcarbostyril.
Authors: GESTO C. , DE LA CUESTA E. , AVENDANO C.
Published: May 2016

8‐Hydroxyquinoline (I) is consecutively O‐ and N‐methylated by a known procedure to give the methoiodide (III).
ChemInform Abstract: Acetylenic Chemistry. Part 14. PTC Reaction of 9(10H)‐Acridinone with 3‐Chloro‐3‐phenyl‐1‐propyne and 3‐Bromo‐1‐phenyl‐1‐propyne.
Authors: REISCH J. , SALEHI‐ARTIMANI R. A. , HENKEL G.
Published: May 2016

The synthetic potential of 3‐chloro‐3‐phenyl‐1‐propyne (II) is investigated.
ChemInform Abstract: Imidazo(1,2‐b)pyridazines. Part 9. Syntheses and Central Nervous System Activities of Some 3‐Alkoxy‐6‐(o‐alkoxy‐, o‐methylthio‐ or o‐fluoro‐phenoxy)‐2‐arylimidazo(1,2‐b)pyridazines.
Authors: BARLIN G. B. , DAVIES L. P. , IRELAND S. J. , KHOO C. L. Y. , NGUYEN T. M. T.
Published: May 2016

A series of title imidazo(1,2‐b)pyridazines such as (IV), (VII) and (X) are prepared.
ChemInform Abstract: Spirocyclopropanecarboxylic Acids Derived from 1‐Tetralone and 4‐Chromanone and Their Conversion to the Corresponding Pyridazinones.
Authors: CIGNARELLA G. , BARLOCCO D. , ROSSI G. , ROSSI E.
Published: May 2016

Hydroxymethylation of 1‐tetralone (Ia) and 4‐chromanone (Ib) with formaldehyde (II) and subsequent chlorination gives the bischloromethyl derivatives (III).
ChemInform Abstract: Stereochemical Studies. Part 134. Saturated Heterocycles. Part 138. Synthesis and Stereochemistry of Stereoisomeric 1,3‐Oxazino‐ and 1,3‐Thiazino(4,3‐a)isoquinolines.
Authors: FUELOEP F. + , BERNATH G. , EL‐GHARIB M. S. , KOBOR J. , SOHAR P. , PELCZER I. , ARGAY G. , KALMAN A.
Published: May 2016

Starting from (bis(hydroxymethyl)methyl)tetrahydroisoquinolines such as (I), a variety of oxazino‐ and thiazinoisoquinoline diastereomers such as (IV), (V), (VIII), (IX) or (XI) are obtained.
ChemInform Abstract: Synthesis and Structure of as‐Triazinoquinazolines. Part 3.
Authors: BADAWY M. A. , ABDEL‐HADY S. A. , MAHMOUD A. H. , IBRAHIM Y. A.
Published: May 2016

Acid‐induced ring closure of the hydrazones (III), prepared from the 3‐amino‐2‐hydrazinoquinazolinones (I) and the α‐oxo acids (II), produces the fused triazines (IV).
ChemInform Abstract: Formation and Crystal Structure of a Novel Azabishomotwistane.
Authors: KIM S. , BISHOP R. , CRAIG D. C. , DANCE I. G. , SCUDDER M. L.
Published: May 2016

The bicyclo(3.2.2)nonanedione (I) is converted to the α,α'‐dicyano bis‐(silyl ether) (III) which undergoes reductive ring closure, yielding predominantly the tetracyclic amidine (V).
ChemInform Abstract: First Intramolecular Alkyne‐CO Insertion Reactions in Aminocarbene Complexes of Chromium: Formation of Condensed Heterocycles Following Extensive Hydrogen Migrations.
Authors: AUDOUIN M. , BLANDINIERES S. , PARLIER A. , RUDLER H.
Published: May 2016

The chromium carbonyl complex (I) is converted into the aminocarbene complex (IV) which undergoes demetalation and cyclization upon thermolysis, forming the fused pyridine derivative (V).
ChemInform Abstract: A 1,3‐Methyl Shift Along the Unsaturated BCSi Skeleton.
Authors: PAETZOLD P. , SCHMITZ T. , TAPPER A. , ZIEMBINSKI R.
Published: May 2016

The hitherto unknown boranes (III) are transformed by thermolysis into the unstable methyleneboranes (IV) which undergo (without addition of other reagents) cyclodimerization at 25 and 69 °C, resp., yielding the diboretanes (V).
ChemInform Abstract: Practical Synthesis of (3S,4R)‐3‐((R)‐1‐(tert‐Butyldimethylsiloxy)ethyl)‐4‐(methylsulfonyl)‐2‐azetidinone from Dibromopenicillanic Acid S,S‐Dioxide: A Penem Synthon.
Authors: QUALLICH G. J. , BORDNER J. , ELLIOTT M. L. , MORRISSEY P. , VOLKMANN R. A. , WROBLEWSKA‐ADAMS M. M.
Published: May 2016

The ester (III), derived from the dibromopenicillanic acid S,S‐dioxide (I), is consecutively treated with methylmagnesium chloride (IV) and acetaldehyde (V) to produce the selectively hydroxyethylated derivative (VI).
ChemInform Abstract: Synthesis and Synthetic Utility of 1‐Acyl‐5‐(trialkylsilyl)‐1,2‐dihydropyridines. Synthesis of (.+‐.)‐Elaeokanine A.
Authors: COMINS D. L. , MYOUNG Y. C.
Published: May 2016

The chloropyridines (I) and (IV) are consecutively treated with LDA and the silyl chlorides (II) to form the 3‐(trialkylsilyl)pyridines (III) and (V).
ChemInform Abstract: The Synthesis of 1‐Aminoalkylphosphonic Acids. A Revised Mechanism of the Reaction of Phosphorus Trichloride, Amides and Aldehydes or Ketones in Acetic Acid (Oleksyszyn Reaction).
Authors: SOROKA M.
Published: May 2016

The Oleksyszyn reaction leads to phosphonic acids of type (VI).
ChemInform Abstract: Synthesis, Characterization and Structural Aspects of Diorganotellurium(IV) Compounds Containing (Te‐S) Bonds.
Authors: SRIVASTAVA T. N. , SINGH J. D. , SRIVASTAVA S. K.
Published: May 2016

The two routes outlined in the scheme are used to prepare the monomeric title compounds (III) and (VI).
ChemInform Abstract: Regioselective Nucleophilic Additions to Tricarbonyl(η6‐arene)chromium(0) Complexes: Electronic versus Chelation Control.
Authors: BLAGG J. , DAVIES S. G. , GOODFELLOW C. L. , SUTTON K. H.
Published: May 2016

Regioselective addition of tert.‐butyl‐Li (IV) to the (η6‐benzyl alcohol)‐Cr(0) complex (III) proceeds to give the η6‐5‐methylene‐6‐exo‐tert.‐butylcyclohexadiene‐Cr(0) compound (V) which can be isomerized to the (η6‐o‐tert.‐butyltoluene)‐Cr(0) complex (VI).
ChemInform Abstract: Transition‐Metal‐Substituted Diphosphenes. Part 18. Reactivity of the Diphosphenyl Complex (η5‐C5Me5)(CO)2Fe‐P=P‐Aryl (Aryl: 2,4,6‐tBu3C6H2) with Electron‐Deficient Alkenes. X‐Ray Analysis of the Diphosphetane Cyclic (η5‐C5Me5)(CO)2Fe‐P‐CH(CN)‐CH(CN)‐P‐Aryl.
Authors: WEBER L. , FREBEL M. , BOESE R.
Published: May 2016

The title reaction gives the all‐trans complex (III) (P21/c, Z=4) as the result of a (2 + 2) cycloaddition.
ChemInform Abstract: Substituted o‐Quinodimethane Complexes of Ruthenium(0).
Authors: SIMPSON N. J. , COLE‐HAMILTON D. J.
Published: May 2016

Reactions of the Ru(II) complexes (II) with the Li salts of the methylbenzenes (I) lead to the complexes (III) which contain coordinated methyl‐substituted o‐xylidene moieties.
ChemInform Abstract: Chemistry of Bile Pigments. Part 85. Preparation and Luminescence of Hetero‐Bichromophoric Oligopyrrole Systems.
Authors: FALK H. , GRUBMAYR K. , MARKO M.
Published: May 2016

The title systems (IV)‐(VI) consisting of a bilindione or dipyrrinone chromophore and a covalently attached but nonconjugated fluorescing naphthyl, anthranyl or indolyl residue are prepared by known condensation procedures and their luminescence properties are measured.
ChemInform Abstract: New Fernene Triterpenes from the Lichen Pseudocyphellaria aurata.
Authors: WILKINS A. L. , ELIX J. A.
Published: May 2016

Four new triterpenes (IIb), (IIIa)‐(IIIc), lupeol acetate (I) and hydroxyfernenone (IIa) are isolated from the extracts of the lichen Pseudocyphellaria aurata.
ChemInform Abstract: Novel Synthesis of Aryl 2,3,4,6‐Tetra‐O‐acetyl‐D‐glucopyranosides.
Authors: YAMAGUCHI M. , HORIGUCHI A. , FUKUDA A. , MINAMI T.
Published: May 2016

The glycosidation of phenols with the α‐D‐glucopyranosyl fluoride (I) in the presence of BF3·Et2O gives predominantly aryl α‐D‐glucosides (III).
ChemInform Abstract: Halogenation of Indole Alkaloids with Halodimethylsulfonium Halides and Halodimethylsulfoxonium Halides.
Authors: MEGYERI G. , KEVE T.
Published: May 2016

Various alkaloids such as (I) are subjected to bromination with hydrogen bromide in DMSO, bromodimethylsulfonium bromide, or bromodimethylsulfoxonium bromide to give the corresponding bromides such as (II).
ChemInform Abstract: Structure/Odor‐Relationships of β‐Santalol Analogues: E‐Homo‐β‐santalol and E‐Dehydrohomo‐β‐santalol.
Authors: SPREITZER H. , ROESSLHUBER I. + , KIENZL H. , DOERRER E. + , BUCHBAUER G.
Published: May 2016

In order to study the structure/odor relationship, the bicyclic skeleton of santalol is changed to give the title compounds (VI) and (VII).
ChemInform Abstract: Alkoxide‐Hydroxide Route to Synthesize BaTiO3‐Based Powders.
Authors: CHAPUT F. , BOILOT J.‐P. , BEAUGER A.
Published: May 2016

BaTiO3 powders with controlled stoichiometry are prepared using (iPrO)4Ti and hydrated Ba(OH)2 as precursors.
ChemInform Abstract: ESCA Measurements of Films on Molybdenum Formed in the Passive and Transpassive Region.
Authors: UERGEN M. + , STOLZ U. , KIRCHHEIM R.
Published: May 2016

It is demonstrated that ESCA can be successfully used to characterize complex molybdenum oxides formed on Mo during anodic polarization, provided that reasonable standard spectra and an efficient deconvolution procedure are used.
ChemInform Abstract: Auger Spectroscopy of Pit Initiation at the Site of Inclusions in Stainless Steel.
Authors: CASTLE J. E. , KE R.
Published: May 2016

A high resolution scanning Auger electron microscope with an X‐ray analysis system is used to study the surface chemistry of inclusion groups in stainless steel 316 relative to the bulk composition.
ChemInform Abstract: Ion Selectivity in the Passivation of a Ni Bearing Steel.
Authors: CASTLE J. E. , QIU J. H.
Published: May 2016

A commercial 304 stainless steel Fe‐18.5Cr‐9.6Ni is passivated in 0.1 M H2SO4 at +750 mV vs.
ChemInform Abstract: Reactions of S4N4 and S3N3Cl3 with Selenium Chlorides. The Preparations and Crystal Structures of SeS2N2Cl2, (S5N5)(SeCl5), and the Disordered Materials (SexS3‐xN2Cl)(SbCl6).
Authors: GILLESPIE R. J. , KENT J. P. , SAWYER J. F.
Published: May 2016

The title compound (III) crystallizes in the monoclinic space group P21/c, Z=4 (ion pair + molecule).
ChemInform Abstract: Reactions Between Potassium Fluoride and Magnesium With or Without Hydrogen.
Authors: BASTIDE J.‐P. , BOUAMRANE A. , CLAUDY P. , LETOFFE J.‐M. , GERARD N.
Published: May 2016

The study of the reactions between H2, KF, and Mg results in the synthesis of the new compound KMgH2F (KF:Mg = 1:1, 1 bar H2, 460 °C).
ChemInform Abstract: Sonication‐Induced Reductive Decarboxylation of Thiohydroxamic Esters.
Authors: DAUBEN W. G. , BRIDON D. P. , KOWALCZYK B. A.
Published: May 2016

The thiohydroxamic acid ester (I) derived from pyridine‐2‐thione (III) is sonicated in tetrachloromethane in the presence of thiophenol (II) to undergo radical‐induced decarboxylation, yielding the thione (III), the hydrocarbon (IV), and diphenyl disulfide (V).
ChemInform Abstract: Homolytic Allyl Transfer Reactions of 1‐ and 3‐Alkyl‐Substituted Allyltributylstannanes.
Authors: EASTON C. J. , SCHARFBILLIG I. M.
Published: May 2016

The N‐benzoylbromoglucinate (II) is treated with the allyltributylstannanes (III) to yield the allylated glycinates (IV) or (V).
ChemInform Abstract: Substitution of Halogen Atoms in α‐Halo Nitro Compounds in the Aliphatic Series. Part 4. Reaction of Carbonyl Compounds and Ethyl Chloronitroacetate Under the Conditions of the Reformatskii Reaction.
Authors: YURTANOV A. I. , MARTYNOV I. V.
Published: May 2016

Ethyl chloronitroacetate (I) reacts with the aliphatic carbonyl compounds (II) in the presence of zinc to give the α‐nitro‐α‐chloro‐β‐hydroxycarboxylates (III), together with ethyl nitroacetate (IV) as by‐product instead of the expected α‐nitro‐β‐hydroxycarboxylates.
ChemInform Abstract: Synthesis of O‐Substituted Acethydroximoyl Chlorides and Structure of O‐Carbamoylacethydroximoyl Chloride.
Authors: SOKOLOV V. B. , CHEKHLOV A. N. , EPISHINA T. A. , MARTYNOV I. V.
Published: May 2016

Starting with 1,1‐dichloro‐1‐nitrosoethane (I), the O‐carbamoylacethydroximoyl chloride (VII) is synthesized via the O‐silyl (III) and the O‐chlorocarbonylhydroximoyl chloride (V).
ChemInform Abstract: Reduction of Isophorone with Sodium Borohydride: Change in Regioselectivity with Hydrotropes.
Authors: LAXMAN M. , SHARMA M. M.
Published: May 2016

Isophorone (I) is subjected to reduction with sodium boranate in an alkaline aqueous medium.
ChemInform Abstract: Substituted Hydrazulenones via Cyclopropanone Addition, Cyclopropanol Rearrangement, and a Retroaldol/Re‐Aldol Sequence.
Authors: REYDELLET V. , HELQUIST P.
Published: May 2016

The 2‐substituted cycloheptanones (I) are enolized with diisopropylaminomagnesium bromide and then coupled with the acetal (II) to give the cyclopropyl carbinols (III).
ChemInform Abstract: Development of Nonsteroidal Antiandrogens: 4‐Nitro‐3‐(trifluoromethyl)diphenylamines.
Authors: HUMM A. W. , SCHNEIDER M. R.
Published: May 2016

The key step in the synthesis of the title compounds (X) is the coupling of 4‐nitro‐3‐(trifluoromethyl)phenylsulfocyanamide sodium (VIII), obtained from 3‐fluorobenzotrifluoride (I) as shown in the reaction scheme, with the aromatic amines (IX) followed by Smiles rearrangement and hydrolysis.
ChemInform Abstract: Chiral Quaternary Ammonium Salts as Solid State Catalysts for the Enantioselective Addition of Diethylzinc to Aldehydes.
Authors: SOAI K. , WATANABE M.
Published: May 2016

The benzaldehydes (I) react with diethylzinc (II) in the presence of solid N‐benzyl‐N‐methylephedrinium chloride to give the benzylic (S)‐alcohols (III).
ChemInform Abstract: Addition of Grignard and Organolithium Reagents to N‐Sulfonyl Aldimines Generated in situ from Aldehydes and N‐Sulfinyl Sulfonamides.
Authors: SISKO J. , WEINREB S. M.
Published: May 2016

The N‐tosylimines (IV) are generated from the aldehydes (I) and N‐sulfinyl tosylamide (II) via the oxathiazetidinones (III).
ChemInform Abstract: Control of Regiochemistry, Stereochemistry, and Stoichiometry in Additions to Alkadiynes. Synthetic Value of a Sulfone Function.
Authors: THYAGARAJAN B. S. , CHANDLER R. A.
Published: May 2016

Propargyl alcohol (I) is converted to 1,6‐dichloro‐2,4‐hexadiyne (III) by a known method.
ChemInform Abstract: α‐Sulfonyl Radical Initiated Intramolecular Tandem Radical Cyclization.
Authors: REUTRAKUL V. , POOLSANONG C. , POHMAKOTR M.
Published: May 2016

The 1‐halo‐5‐hexenyl phenyl sulfones (I) undergo radical induced ring closure to yield the cyclopentyl sulfone (IIa), together with the fused thiopyran dioxides (III).
ChemInform Abstract: Synthesis of Halogen Derivatives of 1‐(Diphenylmethylene)‐2‐(1H)‐naphthalinone.
Authors: CHUMACHENKO N. V. , KOLESNIKOV V. T. , NOVIKOV V. P. , PIROZHENKO V. V.
Published: May 2016

Chlorine or bromine add regiospecifically to the title compound (I) to give the 3,4‐dihalogen derivatives (II).
ChemInform Abstract: First Electrophilic Substitutions of 3‐Substituted Indoles with Diethoxycarbenium Tetrafluoroborate: Functionalized Indole Derivatives.
Authors: PINDUR U. , FLO C.
Published: May 2016

Electrophilic substitution of the indoles (I), (V), and (VII) with diethoxycarbenium tetrafluoroborate (II) at ‐15 to 0°C leads to the formation of the indolecarbaldehydes (III) and (IV), (VI), and (VIII).
ChemInform Abstract: Synthesis of Substituted Pyridinones from the Combination of Fe2(μ‐CH2)(CO)8 with Phosphinimines and Alkynes.
Authors: MIRKIN C. A. , LU K.‐L. , SNEAD T. E. , GEOFFROY G. L. , RHEINGOLD A. L.
Published: May 2016

Starting from the binuclear complexes (I), earlier reported high‐yield products from Fe2(μ‐CH2)(CO)8 and phosphinimines, the substituted pyridinones (V) are synthesized by alkyne insertion and readily releasing from the obtained ferrapyridine complexes (III) ((IIIc): space group P21/n, Z=4).
ChemInform Abstract: Syntheses of Trifluoromethylated Pyridinones and Pyrimidinones.
Authors: LEE L. F. , SING Y. L.
Published: May 2016

Dibenzyl ketone (I) and cyanoacetamide (IX) are coupled with trifluoroacetonitrile (II) under basic conditions to yield the aminotrifluoroethylidene derivatives (III) and (X) respectively.
ChemInform Abstract: Addition of Nucleophiles to 5‐Deazaflavins. Part 2.
Authors: DUCHSTEIN H.‐J. , FENNER H. , FRANK P. , BAUCH W.
Published: May 2016

Nucleophilic reaction of the 5‐deazaflavins (I) and the corresponding perchlorate salt (IV) with the Grignard agents (II) or sodium methoxide (V) leads to the formation of the 5‐substituted adducts (III) and (VI).
ChemInform Abstract: Bicyclic β‐Sultams: Synthesis from Monocyclic β‐Aminothiols and Some Properties.
Authors: SCHWENKKRAUS P. , OTTO H.‐H.
Published: May 2016

The title compounds (VIII) are synthesized from the cyclic hydroxymethylamines (I) as shown in the reaction scheme.
ChemInform Abstract: Oligomerization of Trimethylsilylacetylene in the Presence of Catalytic Systems Based on Halides of Group III ‐ VI Transition Metals.
Authors: MUDARISOVA R. KH. , MULLAGALIEV I. R. , KARASEVA A. V. , OL'KHOVSKAYA L. I. , MONAKOV YU. B. , TOLSTIKOV G. A.
Published: May 2016

Oligomerization of trimethylsilylacetylene (I) in the presence of triisobutylaluminum (II) gives the linear products (III) and (IV) and/or the cyclic trimer (V).
ChemInform Abstract: Phosphorus Dienic‐Like Systems.
Authors: CAMINADE A.‐M. , ROQUES C. , DUFOUR N. , COLOMBO D. , GONCE F. , MAJORAL J.‐P.
Published: May 2016

Treatment of the chlorophosphaalkene (Ia) or the chlorophosphaimine (Ib) with the N‐silylimines (II) for only a few minutes produces the (di)aza(di)phosphadienes (III).
ChemInform Abstract: Synthesis, Characterization and X‐Ray Molecular and Crystal Structure of Tc(NS)Cl3(Me2PhP)(Me2PhPO) ‐ a First Example of Mixed Phosphine/Phosphine Oxide Coordination.
Authors: KADEN L. , LORENZ B. , KIRMSE R. , STACH J. , BEHM H. , BEURSKENS P. T. , ABRAM U.
Published: May 2016

The Tc(II) title compound (III) (space group P212121, Z=4) is synthesized from the nitrido‐Tc(V) complex (I) as shown and characterized by IR, EPR and mass spectroscopy as well as by X‐ray structure analysis.
ChemInform Abstract: Template Synthesis of the Macrobicyclic Ligand 1,5,8,12,15‐Pentaazabicyclo(10.5.2)nonadecane: Evidence for Imidate and Enamine Intermediates Stabilized by Copper(II).
Authors: FORTIER D. G. , MCAULEY A.
Published: May 2016

The pentadentate macrobicyclic title ligand (VII) is synthesized as shown.
ChemInform Abstract: Alternate Coordination Modes of (CF3)2C(OH)2: Synthesis and Structure of Five‐Coordinate Ni2+ and Cu2+ Complexes Derived from a Chelating gem‐Diol.
Authors: BRADFORD P. , HYNES R. C. , PAYNE N. C. , WILLIS C. J.
Published: May 2016

Two modes of coordination of hexafluoropropane‐2,2‐diol to transition‐metal ions (Ni(II), Cu(II), Mn(II), Co(III), Pd(II), Pt(II)) are found.
ChemInform Abstract: Hydroazulene Derivatives. Part 3. Enantioselective Synthesis of a Highly Functionalized Perhydroazulene.
Authors: SCHAEFER H.‐J. + , BARINGHAUS K.‐H.
Published: May 2016

The synthesis of the enantiomerically pure perhydroazulene (X), which should provide ready access to enantiomerically pure grossheimin, is accomplished using the lactone (I) as starting material.
ChemInform Abstract: Triterpenoid Total Synthesis. Part 1. Synthesis of Ambrein and Ambrox.
Authors: MORI K. , TAMURA H.
Published: May 2016

(‐)‐Ambrox (VI) is an important amber odorant of woody nature.
ChemInform Abstract: The Regiospecific p‐Deiodination of 2,4‐Diiodophenols. A New Synthesis of Aflatoxin B2.
Authors: HORNE S. , WEERATUNGA G. , RODRIGO R.
Published: May 2016

Tosylation of the phenol (I) and subsequent oxidative cyclization yield the furobenzofuran derivative (III) which is detosylated to form the phenol (IV).
ChemInform Abstract: Synthesis of 5‐epi‐7‐Deoxykalafungin and 5‐epi‐7‐O‐Methylkalafungin.
Authors: BRIMBLE M. A. , STUART S. J.
Published: May 2016

The syntheses of the title compounds (Va) and (Vb) are completed making use of the transformation of one tricyclic ring system into another.
ChemInform Abstract: Synthetic Methods
Authors: CHALONER P. A.
Published: May 2016

Review: (200 refs.
ChemInform Abstract: Preparation and Crystal Structure of K5Te3.
Authors: SCHEWE I. , BOETTCHER P. +
Published: May 2016

The new alkali metal chalcogenide (III) crystallizes in the tetragonal system (I4/m, Z=4).
ChemInform Abstract: Preparation and Crystal Structure of Nd2SeSiO4.
Authors: GRUPE M. , URLAND W.
Published: May 2016

Violet rod‐like single crystals of the title selenosilicate, obtained by reaction of Nd, Se, and I2 (1:1:2.5) and subsequent reaction with quartz glass powder at 850 °C, belong to the orthorhombic space group Pbcm with Z=4.
ChemInform Abstract: Quaternary Magnesium Iridium Borides Mg2XIr5B2 with X: Be, Al, Si, P, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As ‐ A Substitution Variant of the Ti3Co5B2 Type of Structure.
Authors: JUNG W. , SCHIFFER J.
Published: May 2016

The isotypic title compounds crystallize in the tetragonal space group P4/mbm with Z=2.
ChemInform Abstract: Participation of Interfacial Hydrous Oxide Species in Some Anodic Reactions at Copper Electrodes in Base.
Authors: BURKE L. D. , RYAN T. G.
Published: May 2016

The anodic reactions of Cu are studied with emphasis on the behavior of Cu in basic solutions (NaOH‐based) at low potentials where a minor Cu‐adatom/Cu(I) hydrous oxide transition seems to occur.
ChemInform Abstract: Preparation and Characterization of BiTa7O19.
Authors: STEMMER W. , GRUEHN R.
Published: May 2016

The title compound is prepared either by solid state reaction of Bi2O3 and Ta2O5 (1:7) at 1000 °C (8 d, sealed quartz tube) or by exchange reactions in a BiCl3‐melt using different starting materials (e.g.
ChemInform Abstract: Synthesis and Crystal Structure of Te2+ 4(WCl‐ 6)2.
Authors: BECK J.
Published: May 2016

Black single crystals of the title compound are obtained by the two routes outlined in the scheme.
ChemInform Abstract: Crystal Structure and Vibration Spectra of ((n‐C4H9)4N)2(Re2F8)·2(C2H5)2O.
Authors: HENKEL G. , PETERS G. , PREETZ W. , SKOWRONEK J.
Published: May 2016

The title compound (V) crystallizes in the cubic space group Pn3n with Z = 6. The (Re2F8·OEt2)2‐ entity consists of an axially elongated F8‐cubane frame around the Re2 unit, which is coordinated at one side by an ether molecule.
ChemInform Abstract: Preparation, Vibrational Spectra, and Normal Coordinate Analysis of Cs2(RhCl5(H2O)) and trans‐Cs2(RhCl4Br(H2O)).
Authors: KUHR W. , PREETZ W.
Published: May 2016

The title compounds (III) and (VI) are slightly soluble in H2O and insoluble in organic solvents.
ChemInform Abstract: Modeling the Reduction of Nitrobenzene with (Ru3(CO)12) as a Homogeneous Catalyst. X‐Ray Structures of (Ru3H(CO)10(PhNH)) and (N(PPh3)2)(Ru3H(CO)9(PhN)).
Authors: BHADURI S. , KHWAJA H. , SAPRE N. , SHARMA K. , BASU A. , JONES P. G. , CARPENTER G.
Published: May 2016

The ability of Ru3(CO)12 to act as a homogeneous catalyst in the reductive carbonylation of nitrobenzene is reconfirmed.
ChemInform Abstract: Cationic Palladium(II), Platinum(II), and Rhodium(I) Complexes as Acetalization Catalysts.
Authors: GORLA F. , VENANZI L. M.
Published: May 2016

As demonstrated for (I) with methanol, the use of the Pd complex as a catalyst for the acetalization of a variety of aldehydes and ketones and for trans‐acetalization is described (table, 20 examples).
ChemInform Abstract: The Asymmetric Allylboration Reaction: Dependence of Rate and Enantioselectivity on the Chiral Auxiliary.
Authors: ROUSH W. R. , BANFI L. , PARK J. C. , HOONG L. K.
Published: May 2016

Triallylborane (II) reacts with the chiral 1,2‐diol auxiliaries (I) to give the cyclic allylboronates (III) which are submitted to transallylation reaction with the cyclohexanecarboxaldehyde (IV), forming enantioselectively the homoallylic alcohol (S)‐(V).
ChemInform Abstract: Synthesis of Polycyclic Lactams via Intramolecular Dipolar Cycloadditions of Stabilized Azomethine Ylides.
Authors: MARTIN S. F. , CHEAVENS T. H.
Published: May 2016

2‐Allyloxybenzaldehyde (I), the propenyl (VII), or the allylmethyl analogue (X) react with the aminoacetonitrile (IIa) or the aminomethylphosphonates (IIb), (IIc) to generate the azomethine ylides (III), (VIII), or (XI) which undergo intramolecular cycloaddition reaction, forming the cycloadducts (IV) ‐ (VI), (IX), or (XII).
ChemInform Abstract: Reaction of N‐(Vinylimino)phosphoranes. Part 13. Reaction of N‐((3‐Oxo‐2‐cyclohexenyl)imino)triphenylphosphorane with α‐Bromo Ketones and α,β‐Unsaturated Ketones.
Authors: NITTA M. , SOEDA H. , IINO Y.
Published: May 2016

For the first time, a reaction of N‐triphenylphosphorane (I) with α‐bromo ketones such as (II) and α,β‐unsaturated ketones such as (IV) is investigated.
ChemInform Abstract: A Multi‐Step Photoreaction of 5‐Formyl‐1,3‐dimethyluracil with Indole in the Solid State.
Authors: MENG J. , FU D. , GAO Z. , WANG R. , WANG H. , SAITO I. , KASATANI R. , MATSUURA T.
Published: May 2016

Mixed crystals, prepared by resolidifying the melt of a mixture of (I) and (II), are irradiated to give the product (III) (space group P21/n with Z=4) via a two‐step photoreaction.
ChemInform Abstract: The Reduction of Azides with Borohydride Supported on an Ion Exchange Resin.
Authors: KABALKA G. W. , WADGAONKAR P. P. , CHATLA N.
Published: May 2016

Aryl and benzyl azides are reduced with borohydride supported on an anionic exchange resin (Amberlite IRA‐400) in methanol to form the corresponding amines, e.g. (IIb) and (IIc).
ChemInform Abstract: Halogenation Using Quaternary Ammonium Polyhalides. Part 24. Chlorination of Acetanilides with Benzyltrimethylammonium Tetrachloroiodate.
Authors: KAJIGAESHI S. , SHINMASU Y. , FUJISAKI S. , KAKINAMI T.
Published: May 2016

The reactions of 11 acetanilides such as (I), (III) or (V) with calculated amounts of the title reagent give, selectively, the desired chloro‐substituted acetanilides (II), (IV) or (VI) in good yields.
ChemInform Abstract: Radical α‐Allylation of Alkyl‐Substituted α‐(Phenylseleno)cycloalkanones.
Authors: TORU T. , OKUMURA T. , UENO Y.
Published: May 2016

Photochemically or thermally induced reaction of the phenylselenocycloalkenones (I) with allyltributylstannane (II) produces the trans‐ and cis‐allylated cycloalkanones (III) and (IV) in a similar ratio, independently of the stereochemistry of the educts (I).
ChemInform Abstract: Enzymatic Resolution of Methyl 2‐Alkyl‐2‐arylacetates.
Authors: AHMAR M. , GIRARD C. , BLOCH R.
Published: May 2016

Enzymatic ester hydrolysis of the racemic arylacetates (±)‐(I) gives the acids (R)‐(II) and the less reactive enantiomers (S)‐(I).
ChemInform Abstract: Preparation of (1R,2S)‐(‐)‐1‐Phenylpropane‐1,2‐diol by Fermenting Bakers′ Yeast Reduction of 1‐Phenyl‐1,2‐propanedione.
Authors: SOUSA BRENELLI E. C. , SAMENTO MORAN P. J. , RODRIGUES J. A. R.
Published: May 2016

The enzymatic reduction of 1‐phenyl‐1,2‐propanedione (I) with fermenting bakers' yeast is compared to other literature methods.
ChemInform Abstract: An Efficient Asymmetric Spiroannulation Process.
Authors: D'ANGELO J. , FERROUD C. , RICHE C. , CHIARONI A.
Published: May 2016

The keto ester (I) reacts with the chiral amine (R)‐(II) to give a mixture of diastereomers (III) which undergoes asymmetric spiroannulation, forming stereoselectively the imine (IV).
ChemInform Abstract: Reactivity of Lithium Tetrahydridoberyllate Towards Common Functional Groups: Scope and Limitations.
Authors: SLOBODKIN G. , HAMILTON A. D.
Published: May 2016

The benzaldehydes (I) are treated with the title reagent to produce the benzylic alcohols (II).
ChemInform Abstract: A New Preparation of 3‐Substituted 2‐(p‐Toluenesulfonyl) 1,3‐Dienes.
Authors: BACK T. G. , LAI E. K. Y. , MURALIDHARAN K. R.
Published: May 2016

1,4‐Dichloro‐2‐butyne (I) is transformed into the allene (V) in a three‐step reaction sequence, i.e. by selenosulfonation, reductive elimination of chlorine, subsequent oxidation with MCPBA, and rearrangement of the selenoxide formed.
ChemInform Abstract: An Asymmetric Route to Fused Carbocyclic Systems via Diels‐Alder Reactions on Chiral α,β‐Unsaturated Bicyclic Lactams.
Authors: MEYERS A. I. , BUSACCA C. A.
Published: May 2016

Cycloaddition reaction of the unsaturated γ‐lactam (I) with the 1,3‐dienes (II) in the presence of zinc dichloride yields predominantly the tricyclic esters (III).
ChemInform Abstract: A Practical Synthesis of a (.+‐.)‐Sarkomycin Precursor.
Authors: LIU Z.‐Y. , SHI W. , ZHANG L.
Published: May 2016

The key step of the procedure consists in a thermal retro‐Diels‐Alder reaction of the tetracyclic hydroxymethyl compound (V), yielding the desired precursor (VII) of sarkomycin (VIII).
ChemInform Abstract: Dihydroindol‐7(6H)‐ones and 6,7‐Dihydropyrrolo(2,3‐c)azepine‐4,8(1H,5H)‐dione.
Authors: KASUM B. , PRAGER R. H. , TSOPELAS C.
Published: May 2016

The title compounds (V) are available from the epoxides (I) as shown.
ChemInform Abstract: Chemistry of Oxaziridines. Part 13. Synthesis, Reactions, and Properties of 3‐Substituted 1,2‐Benzisothiazole 1,1‐Dioxide Oxides.
Authors: DAVIS F. A. , TOWSON J. C. , VASHI D. B. , REDDY R. T. , MCCAULEY J. P. JUN. , HARAKAL M. E. , GOSCINIAK D. J.
Published: May 2016

Saccharin (I) is substituted with the lithium reagents (II) and simultaneously dehydrated to give the 3‐substituted benzisothiazole dioxides (III) which are converted into the fused oxaziridines (IV) by oxidation with MCPBA.
ChemInform Abstract: Photochemical Reactivity of 3‐tert.‐Butoxycarbonylfurocoumarin.
Authors: RATINER B. D. , ELIA L. P. , OTSUKI T.
Published: May 2016

Furocoumarins are used for the treatment of skin disorders such as psoriasis.
ChemInform Abstract: (R)‐ and (S)‐4‐Methylaminomethyl‐2,3,4,9‐tetrahydrothiopyrano(2,3‐b)indole: Synthesis, Absolute Configuration, Conformation, and Analgesic Activity.
Authors: ISHIZUKA N. , SHIRO M. , MAKISUMI Y.
Published: May 2016

The enantiomers of the title compound (XIII) are synthesized starting from (II) which can be obtained from (S)‐malic acid.
ChemInform Abstract: Synthesis of 1,2,4‐Triazolo(3,4‐f)‐1,2,4‐triazino(4,5‐a)indoles.
Authors: HIREMATH S. P. , SEKHAR K. R. , SONAR V. N. , PUROHIT M. G.
Published: May 2016

The compounds (VI) are successfully synthesized from the hydrazides (I) according to the scheme.
ChemInform Abstract: Synthetic Ionophores. Part 4. Phase‐Transfer Catalysed Synthesis of Pyridine‐Containing Macrocycles and Their Ionophore Character.
Authors: SINGH H. , KUMAR S. , JAIN A. , SINGH P.
Published: May 2016

Phase transfer catalysed reactions of pyridine derivatives such as (I) and (VII) with oligo(ethylene glycols) such as (II), (IV) or (VIII) provide macrocycles such as (III), (V) or (VI) in high yields.