bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Organic Heterocyclothiazenes. Part 8. 7‐Amino‐1,3,5,2,4,6‐trithiatriazepine (IV) and Related Compounds.
Authors: DUNN P. J. , REES C. W.
Published: May 2016

A series of 7‐substituted trithiatriazepines (Ttt's) are prepared.
ChemInform Abstract: Decamethylsilicocene ‐ The First Stable Silicon(II) Compound: Synthesis, Structure, and Bonding.
Authors: JUTZI P. , HOLTMANN U. , KANNE D. , KRUEGER C. + , BLOM R. , GLEITER R. , HYLA‐KRYSPIN I.
Published: May 2016

In the synthesis of the thermally stable, air‐sensitive π‐complex (II) elemental silicon is obtained as a by‐product.
ChemInform Abstract: Unprecedented 1,4‐Methyl Group Migration in a Rhodium‐Catalyzed Hydrosilylation of Ketones by 1,2‐Bis(dimethylsilyl)benzene.
Authors: NAGASHIMA H. , TATEBE K. , ITOH K.
Published: May 2016

The Rh‐catalyzed hydrosilylation of ketones e.g. (I) with the disilylbenzene (II) results in the formation of the expected hydrosilylation products (III) and their rearranged derivatives (IV).
ChemInform Abstract: Synthesis and Properties of Some Ethynylsilanes.
Authors: HENGGE E. , BAUMEGGER A.
Published: May 2016

The cyclic ethynylsilanes (III) and (IV) are obtained as main products in the reaction of the dichlorosilanes (I) with acetylene (II) and Na‐K alloy.
ChemInform Abstract: 4′‐Bromo(azido)‐9,10‐dihydro‐10,10‐dimethyl‐2‐aza‐10‐silaspiro(anthracene‐9,2′‐tetrahydrofuran).
Authors: PROSTAKOV N. S. , VARLAMOV A. V. , KOZM K. , ALIEV A. E. , FOMICHEV A. A.
Published: May 2016

Starting with the azasilaanthrone (I), the title compounds (V) and (VIII) are prepared via the allylhydroxy (III) and the dibromopropylhydroxy derivative (IV).
ChemInform Abstract: Phosphonioboratoacetylene, C2 Stabilized by Donor and Acceptor Molecules.
Authors: BESTMANN H. J. , BEHL H. , BREMER M.
Published: May 2016

The title compounds (VII) can be seen as complexed C2 molecules, the bulky donor and acceptor substituents shield the C≡C bond so effectively that (VII) does not react with 1,3‐dipoles.
ChemInform Abstract: Coordination Compounds of Indium. Part 47. Indium(I) and Thallium(I) Derivatives of Alkanedithiols.
Authors: GELOSO C. , MABROUK H. E. , TUCK D. G.
Published: May 2016

The electrochemical oxidation of anodic indium in MeCN solution of a series of alkanedithiols such as (II) gives unusual In(I) compounds of the formulation (III) which are probably cross‐linked homopolymers.
ChemInform Abstract: A Water‐Stable Gadolinium(III) Complex Derived from a New Pentadentate “Expanded Porphyrin” Ligand.
Authors: SESSLER J. L. , MURAI T. , HEMMI G.
Published: May 2016

The general lanthanoid‐binding properties of new monoanionic porphyrin‐like ligands are explored.
ChemInform Abstract: Syntheses, and Crystal and Molecular Structures of Tetraethylammonium (Hexakis(isothiocyanato)lanthanoidates(III)) Including Aromatic Hydrocarbon or Halohydrocarbon: ((C2H5)4N)3(M(NCS)6)·G (M: Er, or Yb; G: Benzene, Fluorobenzene, Toluene, or Chlorobenzene).
Authors: ARAI H. , SUZUKI Y. , MATSUMURA N. , TAKEUCHI T. , OUCHI A.
Published: May 2016

The isomorphous title complexes are synthesized as demonstrated for the benzene monoadducts (III) (space group P21/c, Z=4) in the scheme.
ChemInform Abstract: ansa‐Metallocene Derivatives. Part 17. Racemic and meso‐Diastereomers of Group IV Metallocene Derivatives with Symmetrically‐Substituted, Dimethylsilanediyl‐Bridged Ligand Frameworks. Crystal Structure of R,S‐Me2Si(3‐t‐Bu‐5‐MeC5H2)2ZrCl2.
Authors: WIESENFELDT H. , REINMUTH A. , BARSTIES E. , EVERTZ K. , BRINTZINGER H.‐H.
Published: May 2016

Reaction of the cyclopentadienyllithium reagents (II) with the dichlorosilane (I) gives the dicyclopentadienylsilanes (III).
ChemInform Abstract: A Ge‐S Double Bond, Stabilized by a N‐Ge Donor Bond.
Authors: VEITH M. , BECKER S. , HUCH V.
Published: May 2016

Ge compounds (V) (Pbca, Z = 8) and (VII) (P1, Z=1) are prepared via the germanediyl (III) and characterized by X‐ray analyses.
ChemInform Abstract: Synthesis and Properties of Trimethyl(trifluorosilyl)stannane.
Authors: D'ERRICO J. J. , SHARP K. G.
Published: May 2016

The title stannane (III) is obtained as shown.
ChemInform Abstract: Reactions of Coordinated Ligands. Part 45. Ligand Displacement and Oxidative Reactions of the Carbyne Complex (Mo(CCH2tBu)(P(OMe)3)2(η‐C5H5)); Crystal and Molecular Structures of (Mo(η3‐RN=C‐C(CH2tBu)‐C=NR)(CNR)2(η‐C5H5))(R: 2,6‐Me2C6H3), (Mo(C=CHtBu)I(P(OMe)3)2(η‐C5H5)), and Cyclic (Mo(=C(CH2tBu)P(O)(OMe)2)I(P(OMe)3)(η‐C5H5)).
Authors: BAKER P. K. , BARKER G. K. , GILL D. S. , GREEN M. , ORPEN A. G. , WILLIAMS I. D. , WELCH A. J.
Published: May 2016

The diimino‐substituted allyl complexes (III) show temp.‐dependent NMR spectra which are discussed in terms of rotation about the isocyanide bonds and endo/exo isomerism.
ChemInform Abstract: Dications of Molybdenocene(VI) and Tungstenocene(VI) Dichlorides.
Authors: GOWIK P. , KLAPOETKE T. + , WHITE P.
Published: May 2016

Oxidation of the neutral metallocene(IV) dichlorides (I) with AsF5 (II) yields the novel title compounds (III).
ChemInform Abstract: Insertion of Phenylethyne‐thiolate or ‐selenolate into Metal‐Carbene Bonds: Synthons for Coordinated Thioacyl or Selenoacyl Anions and for Anionic Thiocarbene or Selenocarbene Complexes.
Authors: RAUBENHEIMER H. G. , KRUGER G. J. , LINFORD L. , MARAIS C. F. , OTTE R. , HATTINGH J. T. Z. , LOMBARD A.
Published: May 2016

The insertion of (II) into the metal carbene bonds affords complexes such as (III).
ChemInform Abstract: Isolation and Characterization of (MnII(MnIII(salicylhydroximate))4(acetate)2(DMF)6)·2 DMF: An Inorganic Analogue of M2+(12‐crown‐4).
Authors: LAH M. S. , PECORARO V. L.
Published: May 2016

The title complex (IV) (space group P1, Z=2) is obtained by the 1:1 molar reaction shown in the scheme and characterized by X‐ray structure analysis, solid‐state susceptibility measurements and 1H NMR and EPR studies in solution.
ChemInform Abstract: Preparation and Characterization of TcCl3(PPh3)2(MeCN) and Its Reactions with Small π‐Accepting Ligands.
Authors: PEARLSTEIN R. M. , DAVIS W. M. , JONES A. G. , DAVISON A.
Published: May 2016

In analogy to its rhenium congener, the title complex (IV) promises to be a useful starting material for low‐valent technetium chemistry.
ChemInform Abstract: The Triply‐Bonded Complex Tetrachlorobis(bis(diphenylphosphino)methane)dirhenium(II) and Related Species, and Their Use as Reagents in Dirhenium Chemistry.
Authors: WALTON R. A.
Published: May 2016

(I) (and its bromide analogue) serve as important precursors to many other dirhenium complexes because of the ability of the bridging diphophines to stabilize the dimetal unit.
ChemInform Abstract: Organic Chemistry of Dinuclear Metal Centers. Part 13. Synthesis, Structure, and Reactivity of (Ru2(CO)4(η5:η5′‐C5H4CH2C5H4)).
Authors: KNOX S. A. R. , MACPHERSON K. A. , ORPEN A. G. , RENDLE M. C.
Published: May 2016

The title complex (III) (space group Pbca, Z=16) is prepared according to the scheme.
ChemInform Abstract: Metallaheteroborane Chemistry. Part 5. Synthesis of closo‐(2,2‐(PR3)2‐1,2‐SePtB10H10) (R3: Et3, nBu3, or Me2Ph) and arachno‐(9,9‐(PMe2Ph)2‐6,9‐SePtB8H10) and Their Characterization by NMR Techniques: The Crystal and Molecular Structures of closo‐(2,2‐(PEt3)2‐1,2‐SePtB10H10) and arachno‐(9,9‐(PMe2Ph)2‐6,9‐SePtB8H10).
Authors: FARIDOON FARIDOON , NI DHUBHGHAILL O. , SPALDING T. R. , FERGUSON G. , KAITNER B. , FONTAINE X. L. R. , KENNEDY J. D.
Published: May 2016

The reaction of the salt (I) with the cis‐dichloro platinum complex (II) yields the closo compound (IIIa) (space group Fdd2, Z=16).
ChemInform Abstract: Absolute Stereochemistry of the Novel Dioxaspiro Diterpenoids Strictanonic and Grindelistrictic Acids. Stereoselective Synthesis of Strictanonic Acid Methyl Ester and Its C‐6 Epimer.
Authors: GONZALEZ‐SIERRA M. , OLIVIERI A. C. , COLOMBO M. I. , RUVEDA E. A.
Published: May 2016

Strictanonic acid methyl ester (VI) and its C‐6 epimer (IX) are synthesized from the common chiral intermediate (II).
ChemInform Abstract: N‐(Cyclohexylcarbonyl)‐D‐phenylalanines and Related Compounds. A New Class of Oral Hypoglycemic Agents. Part 2.
Authors: SHINKAI H. , NISHIKAWA M. , SATO Y. , TOI K. , KUMASHIRO I. , SETO Y. , FUKUMA M. , DAN K. , TOYOSHIMA S.
Published: May 2016

Hydrogenation and subsequent esterification of the benzoic acids (I) yield 1:3 mixtures of the diastereomeric cyclohexanecarboxylic acid esters (III) and (IV).
ChemInform Abstract: The Chemical Conversion of C‐Terminal Glycines in Peptides into Taurine.
Authors: HIGASHIURA K. , TOYOMAKI Y. , JENAGA K.
Published: May 2016

The protected amino acid esters (I) are converted into the mesylates (IV) which react with sodium iodide or lithium bromide to give the halides (VI).
ChemInform Abstract: Direct Epoxidation of Glycals: Application of a Reiterative Strategy for the Synthesis of β‐Linked Oligosaccharides.
Authors: HALCOMB R. L. , DANISHEFSKY S. J.
Published: May 2016

The first general, high‐yield, one‐step conversion of glycals such as (I) into 1,2‐anhydro sugars such as (II) is described using dimethyldioxirane as epoxidation reagent.
ChemInform Abstract: Higher‐Carbon Sugars. Part 13. The Catalytic Osmylation of Some α,β‐Unsaturated Octuronic Acid Derivatives and a Synthesis of (meso)‐threo‐gluco‐Octitol.
Authors: BARNES J. C. , BRIMACOMBE J. S. , MCDONALD G.
Published: May 2016

With a view to obtaining octuronic acid derivatives of predictable stereochemistry the osmylation of the methyl uronates (I) is carried out.
ChemInform Abstract: Use of an Electrocyclic Reaction of o‐Quinodimethane and an Intramolecular Mannich‐Type Cyclization in Diterpene Alkaloid Synthesis: A Synthesis of Nagata′s Intermediate for (.+‐.)‐Atisine.
Authors: SHISHIDO K. , HIROYA K. , FUKUMOTO K. , KAMETANI T. , KABUTO C.
Published: May 2016

The thermolysis of the benzocyclobutene (I) yields a Z‐o‐quinodimethane intermediate which undergoes an electrocyclic reaction to give the dihydronaphthalene (II).
ChemInform Abstract: Diastereoselectivity in the Synthesis of 3(2H)‐Furanones. Total Synthesis of (+)‐Muscarine.
Authors: ADAMS J. , POUPART M.‐A. , GRENIER L.
Published: May 2016

The α‐(benzyloxyethoxy) diazoketone (V), prepared from the bromopropionic acid (I), is subjected to rhodium(II) acetate‐initiated denitrogenation and cyclization, producing the tetrahydrofuranones (VI) with predominance of the cis‐isomer.
ChemInform Abstract: Synthesis and Antitumor Activity of Ribavirin Imidates. A New Facile Synthesis of Ribavirin Amidine (1‐β‐D‐Ribofuranosyl‐1,2,4‐triazole‐3‐carboxamidine Hydrochloride).
Authors: KINI G. D. , ROBINS R. K. , AVERY T. L.
Published: May 2016

Ribavirin (I) is acetylated and subsequently dehydrated to give the nitrile (III) which is transformed into the imidates (V) upon treatment with the alkoxides (IV).
ChemInform Abstract: Specific Inhibitors in Vitamin Biosynthesis. Part 10. Latent Inhibitors. Part 5. Latent Inhibition of Dihydrofolate Reductase by a Pteridine‐spirocyclopropane..
Authors: HADDOW J. , SUCKLING C. J. , WOOD H. C. S.
Published: May 2016

The design of cyclopropane‐containing enzyme‐activated inhibitors of dihydrofolate reductase is presented.
ChemInform Abstract: Marine Bacteria. Part 1. Synthesis of Pentabromopseudiline, a Cytotoxic Phenylpyrrole from Alteromonas luteo‐violaceus.
Authors: LAATSCH H. , PUDLEINER H.
Published: May 2016

The title compound (VII) and several derivatives with modified phenyl substituents are synthesized via Paal‐Knorr cyclization of the key intermediate (IV).
ChemInform Abstract: Stereoselective Synthesis of Alcohols. Part 32. Synthesis of the Prelog‐Djerassi Aldehyde and of a C‐1/C‐9 Segment of 6‐Deoxyerythronolide.
Authors: HOFFMANN R. W. , LADNER W. , DITRICH K.
Published: May 2016

The transformation of the Masamune aldehyde (I) to the target compound (Va), a precursor of the title segment, is achieved via two chain‐extension steps using the chiral boronate (II) as reagent.
ChemInform Abstract: A New Synthesis of β‐Lactams Through Stereoselective Oxidative Coupling of the Dianions of Acyclic Amides.
Authors: KAWABATA T. , SUMI K. , HIYAMA T.
Published: May 2016

Treatment of the dianions generated from the esters (I) and tBuLi with NIS leads to formation of cis β‐lactams in a highly selective manner irrespective of the substituent R. In contrast, Cu(II) carboxylates are found to be not very effective.
ChemInform Abstract: Synthesis of Bis(trifluoromethyl)‐Substituted Pyrethroids.
Authors: MACK H. , HANACK M.
Published: May 2016

A variety of novel title compounds such as (III), (IV), (VI) or (VIII) are prepared by various methods.
ChemInform Abstract: Separation of Enantiomeric Algal Pheromones and Related Hydrocarbons by Gas‐Liquid Chromatography on Modified Cyclodextrins as Chiral Stationary Phases. Biosynthetic Relevance of Racemic By‐Products.
Authors: BOLAND W. , KOENIG W. A. + , KREBBER R. , MUELLER D. G. +
Published: May 2016

Multifidene from extracts of female plants with freshly released gynogametes from Cutleria multifida is the single enantiomer (I) (e.e.
ChemInform Abstract: Synthesis and Microstructure of Highly Oriented Lead Titanate Thin Films Prepared by a Sol‐Gel Method.
Authors: CHEN C. , RYDER D. F. JUN. , SPURGEON W. A.
Published: May 2016

Thin films of PbTiO3 are deposited on fused silica, resistor‐grade alumina, and a MgO single crystal.
ChemInform Abstract: Thermal Conversion of Preceramic Polyiminoalane Precursors to Aluminum Nitride: Characterization of Pyrolysis Products.
Authors: SEIBOLD M. M. , RUESSEL C. +
Published: May 2016

Metallic aluminum is anodically dissolved in an electrolyte consisting of n‐propylamine, an aprotic solvent (e.g.
ChemInform Abstract: Zirconia Coating on Stainless Steel Sheets from Organozirconium Compounds.
Authors: IZUMI K. , MURAKAMI M. , DEGUCHI T. , MORITA A. , TOHGE N. , MINAMI T.
Published: May 2016

Various zirconium compounds such as zirconium alkoxides, zirconium tetraoctylate, and zirconium tetrakis(acetylacetonate), are used as starting materials in the preparation of zirconia coatings by the sol‐gel process.
ChemInform Abstract: Crystal Structure of Sc3Ni2Si4, an Intergrowth of CrB, TiNiSi and CaBe2Ge2‐Type Columns.
Authors: ZHAO J. T. , PARTHE E.
Published: May 2016

The title compound, obtained by arc‐melting the elements under argon, crystallizes in the orthorhombic system, space group Pnma, Z=4.
ChemInform Abstract: Single Crystal X‐Ray and Powder Neutron Diffraction Study of the A‐La2O3 Type Bi1‐xPbxF2xyO1.5‐0.5x‐xy Solid Solution
Authors: CHAMPARNAUD‐MESJARD J.‐C. , MERCURIO D. , FRIT B. , FOLLET‐HOUTTEMANE C. , BOIVIN J.‐C. , ROULT G.
Published: May 2016

is performed over a wide range of composition within the Bi2O3‐PbO‐PbF2 system at temp. of 173, 293, 503, and 623 K. Independent of temp. and composition, the structure (space group P3m1, Z=1) of this trigonal H‐phase is closely related to the A‐La2O3 type.
ChemInform Abstract: The Structures of Lanthanum Hydroxide Nitrates Investigated by the Rietveld Profile Refinement Technique.
Authors: LOUER M. , LOUER D. , LOPEZ DELGADO A. , GARCIA MARTINEZ O.
Published: May 2016

La(OH)2NO3 crystallizes in space group P21/m with Z=2 and La(OH)2NO3·H2O crystallizes in C2/m with Z=4.
ChemInform Abstract: Local Structure of AII 3.5BIV 0.5(PO4)3 Compounds Revealed by the Eu3+ Fluorescence.
Authors: FAHMI D. , PIRIOU B. , ZOUIRI M. , LEE M.‐R. , QUARTON M.
Published: May 2016

Eulytite‐like compounds A3.5B0.5(PO4)3 with A/B= Pb/Th, Pb/Ti, Sr/Th, and Ba/Th are synthesized and their structures are studied.
ChemInform Abstract: Structural Characterization of WCl6·S8.
Authors: COTTON F. A. , KIBALA P. A. , SANDOR R. B. W.
Published: May 2016

The title compound is obtained during the course of attempts to prepare mixed metal chalcogenide halide clusters by heating in an evacuated Pyrex tube Ti, W, S2Cl2, and S at 698 K for 48 h followed by slow cooling.
ChemInform Abstract: Divalent Manganese in Tetragonal Sites of Cs2NaYCl6.
Authors: GLEASON R. J. , MUNOZ P. E. , BOLDU J. L.
Published: May 2016

From room temp. EPR studies on Cs2NaYCl6:Mn2+ single crystals (elpasolite) it is concluded that the Mn2+ ion enters a tetragonal symmetry site in the cubic lattice.
ChemInform Abstract: Investigations of Chemical Pressure Effects on the Valence Behavior of Praseodymium Intermetallics. Part 1. The Pr1‐xYxSn3 Family.
Authors: CANEPA F. , FRANCESCHI E. A. , OLCESE G. L. , EGGENHOFFNER R.
Published: May 2016

In the title system the solid solubility of Y in the cubic PrSn3 lattice occurs in a narrow homogeneity range of 0‐0.3 Y atoms per formula unit (DTA, metallographic, and XRD measurements).
ChemInform Abstract: Magnetic Behavior of RE2T15Ga2; RE: Mischmetal MM, Y, Ce, Pr, Nd, Sm; T: Fe,Co and RE2Fe15‐xCoxGa2; RE: Y,Nd.
Authors: KLESNAR H. , HIEBL K. , ROGL P. , NOEL H.
Published: May 2016

The title alloys are prepared by arc melting of the elements followed by annealing at 900 °C for 125 h. As shown by X‐ray analysis all alloys except for the Y2(Fe,Co)15Ga2 series crystallize with the hexagonal Th2Zn17 type.
ChemInform Abstract: New Ternary Transition Metal Chalcogenides AM2X2 (A: K, Rb, Cs; M: Co; A: K, M: Ni; X: S, Se): Magnetically Ordered Metals with the ThCr2Si2‐type Structure.
Authors: HUAN G. , GREENBLATT M. , CROFT M.
Published: May 2016

The potassium compounds KM2X2 (M: Co, Ni; X: S, Se) are synthesized by reaction of K metal with the corresponding MX compound (750 °C, 3‐4 d).
ChemInform Abstract: Aluminum‐Electrocrystallization from Metal‐Organic Electrolytes.
Authors: KAUTEK W. , BIRKLE S.
Published: May 2016

The electrodeposition of Al from solutions of KF·2 AlEt3 in toluene on polycrystalline Al and vitreous carbon under potentiostatic and voltage pulse conditions is described and the electrochemical processes involved are studied in detail.
ChemInform Abstract: Surface Modification of Al Alloys and Al‐Based Metal Matrix Composites by Chemical Passivation.
Authors: MANSFELD F. , LIN S. , KIM S. , SHIH H.
Published: May 2016

Immersion of the Al 6061 alloy and Al 6061/SiC and Al 6061/graphite composites in a 1000 ppm CeCl3 solution produces very corrosion resistant surfaces a shown by subsequent exposure to 0.5 N NaCl and characterization of th surfaces by electrochemical impedance spectroscopy (EIS).
ChemInform Abstract: Preparation and X‐Ray Crystal Structure of 1,4‐Diiodo‐cyclo‐hexaselenium Bis(hexafluoroarsenate)‐Bis(sulfur dioxide), Se6I2(AsF6)2·2 SO2, and (Se6I)n·nMF6 (M: As, Sb) Containing the catena‐Poly(cyclohexaselenium(1+)‐4:1‐μ‐iodo) Cation.
Authors: NANDANA W. A. S. , PASSMORE J. , WHITE P. S. , WONG C.‐M.
Published: May 2016

In the course of attempts to prepare crystalline salts of various selenium‐rich SexIn+ y cations the title compounds (IV), (VII), and (IX) are obtained by the procedures given in the scheme.
ChemInform Abstract: The Layered Phosphatoantimonic Acid HSb(PO4)2, xH2O: Synthesis, Structure, Thermal Behavior and Ion Exchange Properties.
Authors: PIFFARD Y. , VERBAERE A. , OYETOLA S. , DENIARD‐COURANT S. , TOURNOUX M.
Published: May 2016

The title compound is prepared from KSb(PO4)2 by an ion‐exchange process in 9 N nitric acid at 50 °C. Several HSb(PO4)2·xH2O phases with different values of x (∼0.0‐2.3) and interlayer distances are observed in the temp. range 15‐560 °C. In this temp. range, the dehydration process is reversible.
ChemInform Abstract: Transition‐Metal Complexes with Bidentate Ligands Spanning trans‐Positions. Part 18. Crystal and Molecular Structure of the Ligands 2,11‐Bis(di‐R‐phosphinomethyl)benzo(c)phenanthrene (R: Phenyl, tert.‐Butyl) and a Comparison of Their Conformation in a Variety of Complexes.
Authors: BUERGI H.‐B. + , MURRAY‐RUST J. , CAMALLI M. , CARUSO F. , VENANZI L. M.
Published: May 2016

X‐Ray structure determinations confirm that the title ligands (Ia) (space group P1, Z=2) and (Ib) (P21/a, Z=4) have the same conformation and the same distortions as the parent hydrocarbon.
ChemInform Abstract: Molecular Structure and Smectic Properties. Part 1. The Effect of Linkages on Smectic A Thermal Stability in Three Aromatic Ring Compounds Linked by Ester Groups.
Authors: SAKURAI Y. , TAKENAKA S. , MIYAKE H. , MORITA H. , IKEMOTO T.
Published: May 2016

In contrast to (Ib)‐(Id) a stable smectic A phase is only observed for the series (Ia).
ChemInform Abstract: A Strategy for Radical Annulation Based on Allyl and Vinyl Stannanes.
Authors: CURRAN D. P. , VAN ELBURG P. A.
Published: May 2016

The 5‐iodopenten‐2‐ylstannane (V) undergoes radical‐induced cyclization with the olefinic compounds (Ib) and (Ic), yielding the vinylcyclopentanes (VI).
ChemInform Abstract: Photooxidation of m‐Phenoxytoluene at Colloidal Titanium Dioxide/Non‐Aqueous Solution Interfaces.
Authors: BLATT E. , FURLONG D. N. , MAU A. W.‐H. , SASSE W. H. F. , WELLS D.
Published: May 2016

The yield of the aldehyde (III) depending on irradiation time and on the initial concentration of (I) is studied; the final yield corresponds to 20% conversion of (I).
ChemInform Abstract: The Selective Photocatalytic Oxidation of m‐Phenoxytoluene on Titanium Dioxide Particles Supported in Nafion Membranes.
Authors: LUND E.‐A. , BLATT E. , FURLONG D. N. , MAU A. W.‐H. , SASSE W. H. F.
Published: May 2016

The yield of the product (II), which is formed in the title reaction, increases up to 28% under the conditions shown.
ChemInform Abstract: On the Regioselectivity of the Nucleophilic Aromatic Photosubstitution of 4‐Nitroanisole. A Dual Mechanistic Pathway.
Authors: CANTOS A. , MARQUET J. , MORENO‐MANAS M.
Published: May 2016

Photochemical reaction of p‐nitroanisole (I) with n‐hexylamine (II) gives N‐hexyl‐p‐nitroaniline (III).
ChemInform Abstract: Dithia Dications from Cyclic and Acyclic Precursors by Gas Phase Oxidation (“Charge Stripping”) of 3e/2c Radical Cations.
Authors: DREWELLO T. , LEBRILLA C. B. , ASMUS K.‐D. , SCHWARZ H.
Published: May 2016

What cannot be accomplished in solution, is readily achieved in the gas phase by "charge‐stripping" mass spectrometry; generation of dications from radical cations of acyclic thioethers (e.g.
ChemInform Abstract: Nitrosation by Alkyl Nitrites. Part 5. Kinetics and Mechanism of Reactions in Acetonitrile.
Authors: CROOKES M. J. , WILLIAMS D. L. H.
Published: May 2016

The formation of NO+ in the nitrosation of the simple alcohols MeOH and iPrOH and thioglycolic acid is the rate‐limiting step, the reactivity of the nitrosating agent decreasing in the order HNO2, tBuONO, iPrONO.
ChemInform Abstract: Preparation of Perfluoroalkyl Ketones by the Reaction of Perfluoroalkyllithiums with Esters.
Authors: UNO H. , SHIRAISHI Y. , SUZUKI H.
Published: May 2016

Perfluoroalkyllithiums derived from the iodides (II) react with the esters (I) to give the perfluoroalkyl ketones (III) in good yield.
ChemInform Abstract: Monosubstituted Perfluoroalkyldiacetylenes.
Authors: KLYUCHINSKII S. A. , ZAVGORODNII V. S. , PETROV A. A.
Published: May 2016

The trimethylstannyldiacetylenes (I) react with valeric acid (II) to give the diacetylenes (III) and trimethylstannyl valerate (IV).
ChemInform Abstract: Preparation and Some Properties of 1,1,1‐Trihalo‐2‐alkanols.
Authors: BAL'ON YA. G. , SHUL'MAN M. D. , VAKULENKO L. I.
Published: May 2016

In the presence of a base, as e.g. tBuOK, bromoform (IIa) and chloroform (IIb) add to the carbonyl compounds (I) to afford the title compounds (III) in fair to good yields.
ChemInform Abstract: 4‐Trifluoroacetyl‐1‐substituted 1,3‐Butadienes.
Authors: PAZENOK S. V. , GERUS I. I. , GORBUNOVA M. G. , CHAIKA E. A.
Published: May 2016

The acylation of alkoxybutadienes thus far has never been investigated.
ChemInform Abstract: Synthesis of 2‐Vinyloxyethyl Isocyanide.
Authors: KUKHAREV B. F. , STANKEVICH V. K. , KLIMENKO G. R. , TOMAROVSKAYA M. G.
Published: May 2016

The reaction between 2‐vinyloxyethylamine (I) and dichlorocarbene proceeds regioselectively at the amino function to yield the title compound (III), the first representative of a hitherto unknown class of compounds.
ChemInform Abstract: Conversion of Perchloroethyl Isocyanate into 1‐Alkylimino‐2,2,2‐trichloroethyl Isocyanates.
Authors: VOVK M. V. , BOIKO V. I. , ESIPENKO A. A. , SAMARAI L. I.
Published: May 2016

The reaction between perchloroethyl isocyanate (I) and primary amines, as e.g. (II), is known to produce N‐alkylideneureas.
ChemInform Abstract: Synthons for Alleneprostanoids.
Authors: TOLSTIKOV G. A. , ISMAILOV S. A. , MIFTAKHOV M. S.
Published: May 2016

A convenient and highly effective method of preparation of the title compounds, e.g. (IV), is described.
ChemInform Abstract: Preparation of Some 1‐Alkyl‐4‐(1‐(ethoxyimino)butyl)‐3‐hydroxy‐5‐oxocyclohex‐3‐ene‐1‐carboxylic Acid Ester and Amide Herbicides by Reductive Alkylation of 3,5‐Dimethoxybenzoic Acid.
Authors: LIEPA A. J. , WILKIE J. S. , WINZENBERG K. N.
Published: May 2016

The title compounds, e.g (VIII) and (XII), show herbicidal activity against a number of graminaceous plants.
ChemInform Abstract: Unsaturated Hydrocarbons of the Norbornane and Brexane Series in the Ritter Reaction.
Authors: BOBYLEVA A. A. , PETRUSHCHENKOVA I. A. , LUKOVSKAYA E. V. , PEKHK T. I. , DUBITSKAYA N. F. , BELIKOVA N. A.
Published: May 2016

Under the conditions of the Ritter reaction, norbornene (I) affords the expected exo‐configurated 2‐acetyl derivative (III), whereas norbornadiene (IV) undergoes rearrangement of the cation intermediate to yield the tricyclene (V).
ChemInform Abstract: Protonated Pteridine and Flavin Analogues Acting as Efficient and Substrate‐Selective Photocatalysts in the Oxidation of Benzyl Alcohol Derivatives by Oxygen.
Authors: FUKUZUMI S. , TANII K. , TANAKA T.
Published: May 2016

Benzaldehydes such as (V) are prepared from the corresponding benzyl alcohols (IV) by photooxidation with oxygen in the presence of the lumazine (I), the aminopterin (II), or the riboflavin (III).
ChemInform Abstract: Insertion Reaction of N‐Sulfonylmethylamine into the Sulfur‐Nitrogen Bond of Sulfenamides.
Authors: ZEFIROV N. S. , ZYK N. V. , KUTATELADZE A. G. , IGNATCHENKO E. S. , DENISKO O. V.
Published: May 2016

Treatment of the sulfamoyl chloride (I) with NEt3 generates N‐methylsulfonylamine, which reacts in situ with the sulfenamides (II) to yield the N‐arylthiosulfamides (III), which are difficult to prepare by the hitherto known procedures.
ChemInform Abstract: Synthesis of 1,1‐Difluoroalkylheterocumulenes.
Authors: MATVEEV YU. I. , GORBATENKO V. I.
Published: May 2016

A novel and highly effective access to the difluoro isocyanate (II) is described.
ChemInform Abstract: Direct Conversion of 1,2‐Dibromo‐1,2‐diarylethanes into Aromatic Diketones.
Authors: YUSUBOV M. S. , FILIMONOV V. D.
Published: May 2016

The conversion described in the title is observed for the first time.
ChemInform Abstract: Structural Studies on Bioactive Compounds. Part 12. Tautomerism and Conformation of Aryl‐Substituted 1‐(2‐Hydroxyphenyl)‐3‐phenylpropane‐1,3‐diones in the Solid Phase and in Solution.
Authors: CUNNINGHAM B. D. M. , LOWE P. R. , THREADGILL M. D.
Published: May 2016

Eleven title compounds of type (II) are prepared from the respective arylbenzoates (I).
ChemInform Abstract: Preparation and Magnetic Properties of a Range of Metal and Organic Cation Salts of 2,3‐Dicyano‐1,4‐naphthoquinone (DCNQ). X‐Ray Crystal Structure of (Methyltriphenylphosphonium)1 (DCNQ)1 (H2O)1, and 2‐Dicyanomethyleneindan‐1,3‐dione (DCID). The Rearrangement of DCID to DCNQ.
Authors: BRYCE M. R. , DAVIES S. R. , HASAN M. , ASHWELL G. J. , SZABLEWSKI M. , DREW M. G. B. , SHORT R. , HURSTHOUSE M. B.
Published: May 2016

Reaction of LiI (IV) or (MePPh3)I with dicyanomethylenedione (III), prepared by a new method from (I) and (II), leads by way of a fascinating isomerization of the indan skeleton to the naphthoquinol salts (Va) and (Vb), respectively.
ChemInform Abstract: Hydroxyquinone Anellation.
Authors: TIUS M. A. , CULLINGHAM J. M. , ALI S.
Published: May 2016

The siloxyenones (I) are coupled with the lithiated allene (II) to produce the carbinols (III) which are desilylated and subsequently epoxidized to give the oxiranes (IV).
ChemInform Abstract: Addition of 9‐Diazofluorene to Unsubstituted and Chloro‐Substituted 1,4‐Benzoquinones. A Comparison with the Addition of Diphenyldiazomethane.
Authors: OSHIMA T. , NAGAI T.
Published: May 2016

The title fluorene (I) adds to the C=C double bond of the quinones (II) and (V).
ChemInform Abstract: Synthesis and Reactions of Oligomethylene‐Clamped 1 H‐Azepines and Benzene Imines. Their Valence Tautomeric Equilibrium and Nitrogen Stereochemistry.
Authors: LANGE W. , TUECKMANTEL W. +
Published: May 2016

The title azepines and benzene imines (V)‐(VIII) and (XII) are synthesized and their valence tautomeric equilibria are examined.
ChemInform Abstract: Allylic Hydroxymethylation of (.+‐.)‐2‐Oxabicyclo(3.3.0)oct‐7‐enone Under the Conditions of the Prins Reaction.
Authors: TOLSTIKOV G. A. , MIFTAKHOV M. S. , AKHMETVALEEV R. R. , BALEZINA G. G. , VALEEV F. A.
Published: May 2016

Under the conditions of the Prins reaction the lactone (I) unexpectedly affords a mixture of the isomeric formates (III) and (IV), whose formation probably proceeds via an electrophilic allylic formylhydroxymethylation.
ChemInform Abstract: Bromination Reactions of 2‐Substituted Derivatives of 7‐Oxabicyclo(2.2.1)hept‐5‐ene.
Authors: ARJONA O. , FERNANDEZ DE LA PRADILLA R. , GARCIA L. , MALLO A. , PLUMET J.
Published: May 2016

To study the stereochemistry and the nature of the products (by addition, rearrangement and/or fragmentation) as a function of 2‐substituent and reaction conditions, some brominations of title compounds (III), (VIII), (X), and (XII) are carried out with Br2 and NBS under different conditions.
ChemInform Abstract: Synthesis of (2S,3S,4S)‐4‐Amino‐2,3‐dihydroxyhexanedioic Acid Derivatives from (R)‐Pyroglutamic Acid.
Authors: IKOTA N. , HANAKI A.
Published: May 2016

cis‐Hydroxylation of the chiral unsaturated lactam (I) yields the single diastereomer (II) which is further converted to the derivatives (X) and (XII) of the acid mentioned in the title.
ChemInform Abstract: A Simple Synthesis of 2‐Vinylindoles.
Authors: MACOR J. E. , NEWMAN M. E. , RYAN K.
Published: May 2016

The 3‐indolecarboxylate (III), which is prepared from the ester (I), is coupled with the aldehydes or ketones (IV), forming the 2‐vinylindoles (VII) via cleavage and decarboxylation of the intermediate fused dehydropyranone (V).
ChemInform Abstract: Facile Cycloaddition of 2‐Phenylsulfonyl‐1,3‐dienes to Indoles.
Authors: BAECKVALL J.‐E. + , PLOBECK N. A. , JUNTUNEN S. K.
Published: May 2016

The 1‐(halomagnesium)indoles (I), (IX), or (XI) undergo cycloaddition reaction with the 2‐(phenylsulfonyl)‐1,3‐dienes (II), (IV), or (VII), yielding phenylsulfonyltetrahydrocarbazoles.
ChemInform Abstract: Syntheses on the Basis of Organo‐Magnesium Compounds of 2,6(7)‐Dibutoxycarbonyltetrathiafulvalene.
Authors: KREITSBERGA YA. N. , EDZHINYA A. S. , KAMPARE R. B. , NEILAND O. YA.
Published: May 2016

Starting from the readily available 2,6(7)‐dibutoxycarbonyltetrathiafulvalene (I) the title compounds (III) and (IV) are prepared, which are stable on storage at ‐20 °C in THF.
ChemInform Abstract: Unexpected Formation of Five‐Membered 1,3‐Dithioles in the Reaction of Geminal Dimercaptans with Activated Haloacetylenes.
Authors: KOMAROVA E. N. , YUFIT D. S. , STRUCHKOV YU. T. , DROZD V. N.
Published: May 2016

In the presence of equimolar amounts of glacial AcOH the reactions of (I) and (IV) with the activated acetylene (II) afford the 1,3‐dithioles (III) or (V), respectively, instead of the expected unsymmetrically substituted 1,3‐dithietans.
ChemInform Abstract: Synthesis of C‐ and N‐Substituted Oxiranyl‐1,2,3‐triazoles.
Authors: MAKSIKOVA A. V. , SEREBRYAKOVA E. S. , SHCHERBAKOV V. V. , GAREEV G. A. , VERESHCHAGIN L. I.
Published: May 2016

The hitherto unknown title compounds (V)/(VI) and (IX) are prepared.
ChemInform Abstract: Synthesis of Isothiourea Derivatives.
Authors: HORIUCHI J. , SUZUKI K. , SHITARA E. , NIWA R. , KATO T.
Published: May 2016

Reaction of the thioureas (II) with the chloromethyl‐substituted hydrochlorides (I) of azaarenes yields the isothiourea derivatives (III).
ChemInform Abstract: 4‐(1,4‐Benzoquinonyl‐2)‐1,4‐dihydropyridines as Analogues of Nifedipine.
Authors: KUCKLAENDER U. + , ULMER P. , ZERTA G.
Published: May 2016

Condensation reaction of the aldehyde (I) with the aminocyclohexenone (II) and subsequent deprotection of the phenolic hydroxy groups yield the decahydroacridinedione (III) which is oxidized with Ag2O to form the quinones (IV) or (V) depending on the amount of oxidant employed.
ChemInform Abstract: 2,3‐Dihydro‐1H‐benzo(c)pyrazolo(1,2‐a)cinnolines and Derived Radical Cations.
Authors: NEUGEBAUER F. A. , FISCHER H.
Published: May 2016

The title compounds (IV) are prepared according to Farnum et al. (1969).
ChemInform Abstract: Studies in Spiroheterocycles. Part 16. Synthesis of New Fluorine‐Containing Spiro‐3‐indoline Derivatives.
Authors: JOSHI K. C. , DANDIA A. , SANAN S.
Published: May 2016

Knoevenagel reaction of the indole‐2,3‐diones (I) with the cyclic ketones (II) yields the oxocycloalkylideneindolones (III).
ChemInform Abstract: β‐Silyl Carbenes.
Authors: CREARY X. , WANG Y.‐X.
Published: May 2016

The trimethylsiloxychloronorbornene (I) is converted to the tosylhydrazone anion salt (IVc) which is subjected to flash vacuum pyrolysis, forming the norbornenylsilane (VIII) and the tricyclic compound (IX) via the carbene (VII).
ChemInform Abstract: Reaction of 2‐Chloro‐1,3‐dioxa‐2‐silacyclohexanes with Metallic Lithium.
Authors: NIKOLAEVA S. V. , ZORIN V. V. , KAZHDAN V. D. , KUKOVITSKII D. M. , LARIONOV V. I. , MUSAVIROV R. S. , RAKHMANKULOV D. L.
Published: May 2016

The dioxasilacyclohexanes (I) are coupled with elemental lithium to give the dimers (II).
ChemInform Abstract: Copper Chloride‐Cyanopyridine Complexes as Catalysts for the Decomposition of Fluorophosphonate Esters.
Authors: KATRITZKY A. R. , OFFERMAN R. J. , DURST H. D. , WARD J. R. , HOVANEC J. W. , ALBIZO J. M.
Published: May 2016

Several copper(II) pyridine complexes such as (IV) are prepared.
ChemInform Abstract: Phosphorylation of Aromatic Compounds Containing Electron‐Donating Substituents with Phosphorus Tribromide.
Authors: TOLMACHEV A. A. , IVONIN S. P. , KHARCHENKO A. V. , KOZLOV E. S.
Published: May 2016

Phosphorus tribromide (I) is coupled with N,N‐dimethylaniline (II) to give the phosphines (III) ‐ (V) depending on the molar ratio.
ChemInform Abstract: Novel Ditopic Receptors Based on the P2N2 Diphosphazane Ring: Synthesis and X‐Ray Structural Characterization of Cis and Trans Bis(crown ether) Anellated 1,3,2λ5,4λ5‐Diazadiphosphetidine 2,4‐Disulfide.
Authors: DUTASTA J.‐P. , DECLERCQ J.‐P. , ESTEBAN‐CALDERON C. , TINANT B.
Published: May 2016

The 1,3,2,4‐diazadiphosphetidine ring is used for the construction of the trans (VII) (space group P1, Z=1) and cis isomers (VIII) (P1, Z=2) of the bis(crown ether) derivative as shown in the scheme.
ChemInform Abstract: Synthesis and Structure of the First Example of a Borazinylcyclotri‐phosphazene.
Authors: WELKER M. F. , MANNERS I. , PARVEZ M. , ALLCOCK H. R.
Published: May 2016

Reaction of the aminophoshazene (I) with the chloroborazine (II) yields the title compound (III).
ChemInform Abstract: Synthesis and Reactions of 1,6‐Bis(2‐butyltellurophenyl)‐2,5‐diazahexa‐1,5‐diene and Related Compounds. The Crystal and Molecular Structures of 2‐(Butyldichlorotelluro)benzaldehyde and Bis(2‐(hydroxyiminomethyl)phenyl) Ditelluride.
Authors: ABID K. Y. , AL‐SALIM N. I. , GREAVES M. , MCWHINNIE W. R. , WEST A. A. , HAMOR T. A.
Published: May 2016

The title compound (VI) is prepared as shown.
ChemInform Abstract: (Tris(pyrazolyl)hydroborato)magnesium and ‐aluminum Alkyl Derivatives: Alkyl Exchange with Methyl Iodide and Enolate Formation with Acetone.
Authors: HAN R. , LOONEY A. , PARKIN G.
Published: May 2016

The methyl derivatives (III) and (VIII) of the title compounds are synthesized according to the scheme.
ChemInform Abstract: Calcium Complexation to Derivatives of Isonicotinic Acid: (Tetraaquabis(isonicotinamide)calcium) Dichloride and Tetraaquabis(isonicotinato)calcium, C12H20CaCl2N4O6 and C12H16CaN2O8.
Authors: COLE L. B. , HOLT E. M.
Published: May 2016

The both title compounds (I) (space group P1, Z=2) and (II) (P21/a, Z=4) are prepared by treating CaCl2 with aqueous solution of isonicotinamide or sodium isonicotinate.
ChemInform Abstract: Synthesis, Structure and Spectroscopic Properties of Some 2‐Phenylphenoxide Derivatives of Molybdenum.
Authors: BARTOS M. J. , KRILEY C. E. , YU J. S. , KERSCHNER J. L. , FANWICK P. E. , ROTHWELL I. P.
Published: May 2016

Both the Mo‐dimethylamido compounds (II) and (IV) react with 2‐phenylphenol (I) to yield the aryloxide complexes (III) and (V), respectively.
ChemInform Abstract: Thermal Isomerization of a Secondary Vinylphosphine into a Phosphaalkene.
Authors: MERCIER F. , HUGEL‐LE GOFF C. , MATHEY F.
Published: May 2016

The dihalomesitylphosphines (I) react with 2‐propenylmagnesium bromide (II) to give the substitution products (III).
ChemInform Abstract: Ferrapyrrolinone and Ferraazetine Complexes Formed from the Reaction of Fe2(μ‐CH2)(CO)8 with Phosphinimines.
Authors: MIRKIN C. A. , LU K.‐L. , GEOFFROY G. L. , RHEINGOLD A. L. , STALEY D. L.
Published: May 2016

The reaction of the ketenediiron complex (I) with the phosphinimines (II) leads to the isolable initial products (III) ((IIIa): space group Pbc21, Z = 8) which slowly deinsert CO to form the 2‐ferra‐3‐azetine complexes (IV) ((IVa): P21/n, Z = 8).
ChemInform Abstract: Electrochemical Synthesis and Structure of the First Example of a Ferrocene Dication: Propane‐1,3‐diyl‐1,1′‐bis(tetramethylcyclopentadienyl)iron(2+).
Authors: OGINO H. , TOBITA H. , HABAZAKI H. , SHIMOI M.
Published: May 2016

The ferrocenophane (III), prepared by lithiation of the ligand (I) and further reaction with iron dichloride (II), is electrochemically oxidized to give the cationic (V) and the dicationic complex (VII).
ChemInform Abstract: (2‐Stannylated‐Butadiene)tricarbonyliron Complexes: Practical Reagents for the Synthesis of 2‐Acyldienes.
Authors: COLSON P.‐J. , FRANCK‐NEUMANN M. , SEDRATI M.
Published: May 2016

The 2‐stannylbuta‐1,3‐dienes (I) are converted to the cis‐dienyliron complexes (III) which undergo Pd‐catalyzed acylation with the acid chlorides (IV), producing the 2‐acyldienyliron tricarbonyl complexes (V).
ChemInform Abstract: Complexes of Ligands Providing Endogenous Bridges. Part 7. The Concurrent Formation of 1 + 1 and 2 + 2 Oxaazamacrocycles; the X‐Ray Crystal Structure of an Exocyclic Dinuclear Copper(II) Complex.
Authors: BAILEY N. A. , FENTON D. E. , WILLIAMS M. G. , WINTER D. J.
Published: May 2016

The 1 + 1 oxaazamacrocycles (III) are prepared according to the scheme.
ChemInform Abstract: Binary Alloys of 2,5‐Disubstituted DCNQI Radical Anion Salts of Copper and Their Electrical Conductivity.
Authors: ERK P. , GROSS H.‐J. , HUENIG S. + , LANGOHR U. , MEIXNER H. , WERNER H.‐P. , VON SCHUETZ J. U. + , WOLF H. C.
Published: May 2016

Electrocrystallization or even reaction with a copper wire leads to conversion of two DCNQIs such as (I) and (II) into the alloy (IV) (all having space group I41/a).
ChemInform Abstract: Platinum Metal Thioether Macrocyclic Complexes: Synthesis, Electrochemistry, and Single‐Crystal X‐Ray Structures of cis‐(RhCl2L2)PF6 and trans‐(RhCl2L3)PF6 (L2: 1,4,8,11‐tetrathiacyclotetradecane, L3: 1,5,9,13‐tetrathiacyclohexadecane).
Authors: BLAKE A. J. , REID G. , SCHROEDER M. +
Published: May 2016

The equimolar reaction of RhCl3·3 H2O (II) with the S4‐macrocycles (I) and (IV) affords the title complexes (III) and (V) (for both space group C2/c, Z=4) which are characterized by X‐ray structure analysis.
ChemInform Abstract: Cyclopentadienyldifluorophosphine and Its Homologues as Ligands in cis‐Dichloroplatinum(II) Complexes ‐ Structure of cis‐(C5Me5PF2)2PtCl2 and cis‐(C9H7PF2)((C9H7)3P)PtCl2 (C5Me5: Pentamethylcyclopentadienyl, C9H7: Indenyl).
Authors: HEUER L. , BODE U. K. , JONES P. G. , SCHMUTZLER R.
Published: May 2016

The preparation of cyclopentadienyldifluorophosphines such as (III) using appropriate organolithium compounds and PF2Cl and their reactivity toward the Pt‐complex (IV) are investigated.
ChemInform Abstract: A New Route for meso‐Substituted Porphyrin.
Authors: KURODA Y. , MURASE H. , SUZUKI Y. , OGOSHI H.
Published: May 2016

Pyrrole (II) is acylated with the amides (I) and then reduced to give the carbinols (IV).
ChemInform Abstract: Ritter Reaction of Isoborneol with Monochloroacetonitrile.
Authors: LYSENKOV V. I.
Published: May 2016

Treatment of the readily available isoborneol (I) with conc.
ChemInform Abstract: Synthesis of 9α,11α‐Epoxides of Estrogens.
Authors: RZHEZNIKOV V. M.
Published: May 2016

A novel and more convenient method of preparation of the title compounds (IV) is described.
ChemInform Abstract: Diastereoselective Synthesis of an α,β‐Diaminocarboxylic Acid: An Efficient Synthesis of FR900490, an Immunomodulating Peptide Isolated from a Fungus.
Authors: SETOI H. , KAYAKIRI H. , HASHIMOTO M.
Published: May 2016

Reductive amination of the chiral ketone (I) with methyl L‐histidinate (II) results in the stereoselective formation of the α,β‐diaminobutyric acid derivative (III), together with minor amounts of its diastereomer (IV).
ChemInform Abstract: Reactions of Sugars with Amidrazones and Hydrazidines. Part 2. The Synthesis of C‐Nucleoside Precursors. Part 2. Synthesis and Conformational Analysis of 3‐(Pentahydroxypentyl)‐6‐phenyl‐1,2,4‐triazolo(3,4‐a)phthalazines.
Authors: SHABAN M. A. E. , TAHA M. A. M.
Published: May 2016

Reaction of the hydrazine (I) with D‐glucose (II) results in cyclization of the thereby formed hydrazone to give the triazolophthalazine (III).
ChemInform Abstract: An Electrochemical Variant in the Syntheses of Exaltone and Muscone: Anodic Fragmentation of α,β‐Unsaturated Tosylhydrazones.
Authors: LIMACHER L. L. , DELAY F. D. , BEDERT N. , TISSOT P.
Published: May 2016

Ring enlargement of the bicyclic tosylhydrazones (I) under mild and controlled anodic oxidation conditions yields the monocyclic γ‐ynones (II) as main products.
ChemInform Abstract: Ethylene Biosynthesis. Part 10. Synthesis and Study of Racemic, (1R,2S)‐, and (1S,2R)‐1‐Amino‐2‐(hydroxymethyl)cyclopropanecarboxylic Acid.
Authors: PIRRUNG M. C. , DUNLAP S. E. , TRINKS U. P.
Published: May 2016

As shown for the (1S,2R)‐derivative (X), the title compounds are prepared by a route involving cycloalkylation of the malonate (III) with optically active epichlorohydrin and subsequent Hofmann rearrangement of the resulting amide.
ChemInform Abstract: A New Approach to the Synthesis of Aminoimidazoles: Application to the Cephalosporin Series.
Authors: JUNG F. , OLIVIER A. , BOUCHEROT D. , LOFTUS F.
Published: May 2016

The weakly basic 7‐aminocephalosporanates (I) or (VII) are coupled with the carbodiimides (II) or (VI), yielding the guanidinium salts (III) or (IX).
ChemInform Abstract: On Compound Formation of M′O:M2O3. Part 11. Crystal Structure of BaIn2O4.
Authors: LALLA A. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

Single crystals of the title compound, obtained from a melt after reacting intimate mixtures of BaCO3 and In2O3 at 840 °C (12 h), belong to the monoclinic space group P21/a with Z=16.
ChemInform Abstract: Structural Transformation in Nb2O5‐Promoted Rh Catalysts During Calcination and Reduction Treatments.
Authors: HU Z. , NAKAMURA H. , KUNIMORI K. , YOKOYAMA Y. , ASANO H. , SOMA M. , UCHIJIMA T.
Published: May 2016

It is found that the Nb2O5‐promoted Rh/SiO2 catalyst, which exhibits no significant SMSI effect (strong metal‐support interaction) after calcination in air at 773 K, shows a pronounced SMSI behavior after calcination at higher temp. (973 and 1173 K).
ChemInform Abstract: Evidence from XPS for the Stabilization of High‐Valent Molybdenum by Addition of Potassium in Mo/Al2O3 Catalysts.
Authors: DECANIO S. J. , CATALDO M. C. , DECANIO E. C. , STORM D. A.
Published: May 2016

XPS analyses are performed for a series of Mo/Al2O3 catalysts with varying Mo (3‐15 wt.%) and K (0.5‐6.0 wt.%) content.
ChemInform Abstract: Introduction of Two‐Dimensional NMR Spectral Information to an Automated Structure Elucidation System, CHEMICS. Utilization of 2D‐INADEQUATE Information.
Authors: FUNATSU K. , SUSUTA Y. , SASAKI S.
Published: May 2016

By introduction of 13C NMR data and 13C‐13C signal connectivity information into CHEMICS, the number of probable candidate structures is drastically decreased, e.g., for menthol, thujopsene (4450 candidates without 2D‐INADEQUATE information), and linalool only one correct structure results.
ChemInform Abstract: Molecular Identification Number for Substructure Searches.
Authors: BURDEN F. R.
Published: May 2016

A method for producing molecular identification numbers for hydrogen‐depleted organic structures from the eigenvalues of a connectivity matrix is presented.
ChemInform Abstract: Formulation of Isomeric Reaction Types and Systematic Enumeration of Six‐Electron Pericyclic Reactions.
Authors: FUJITA S.
Published: May 2016

A novel formulation of reaction types is described, based on the concept of imaginary transition structures.
ChemInform Abstract: Biological Method for the Preparation of Both Pure Enantiomers of a Chiral Compound: The Case of 2‐Amino‐1‐phenylethanol.
Authors: YAMAZAKI Y. , MOCHIZUKI K. , HOSONO K.
Published: May 2016

Bacteria which belong to the genera Staphylococcus (FRI‐52), Micrococcus (FRI‐121), Rhodococcus (FRI‐125) and Neisseria (FRI‐319), isolated from soil, are found to assimilate enantioselectively racemic 2‐amino‐1‐phenylethanol to give either the (S) or (R) enantiomer with high optical purity.
ChemInform Abstract: Highly Diastereoselective Aldol‐Type Reaction Using 3‐Acetylthiazolidine‐2‐thione.
Authors: JEONG T. M. , PARK K. H.
Published: May 2016

The amino alcohol‐derived thiazolidinethione moiety in (I) serves as efficient chiral auxiliary in the tin‐mediated aldol condensation.
ChemInform Abstract: Syntheses via Vinyl Sulfones. Part 35. SN2′ Addition of Organometallic Reagents to β′‐Amino Cyclohexenyl Sulfone Derivatives.
Authors: PAN Y. , HARDINGER S. A. , FUCHS P. L.
Published: May 2016

The amino(siloxy)cyclohexenyl sulfone (X) and the related quaternary ammonium salt (XIII) are prepared as shown in the reaction scheme via cleavage of the oxirane (IV).
ChemInform Abstract: Laser‐Powered Homogeneous Decomposition of Methyl Acrylate and Methacrylate.
Authors: POLA J.
Published: May 2016

In order to eliminate wall effects the esters (I) are photolyzed in the presence of the sensitizer SF6.
ChemInform Abstract: Rhodium‐Catalyzed Hydrogenation of Quinolines and Isoquinolines Under Water‐Gas Shift Conditions.
Authors: MURAHASHI S.‐I. , IMADA Y. , HIRAI Y.
Published: May 2016

A variety of quinolines and isoquinolines such as (I) or (III) can be hydrogenated selectively in the N‐containing ring by means of carbon monoxide and water in the presence of a rhodium carbonyl cluster.
ChemInform Abstract: Selective Reduction of Dienones. Synthesis of Intermediates for Sesqui‐and Diterpenes.
Authors: BHATTACHARYYA S. , KARPHA T. K. , MUKHERJEE D.
Published: May 2016

The indanone (I) is converted to the tricyclic dienediones (III) via TFA‐induced cyclization of the diazo ketones (II).
ChemInform Abstract: Alkylation of Enol Silyl Ethers by Pummerer‐Generated Vinylthionium Ions: A Novel Masked Michael Reaction.
Authors: HUNTER R. , CARLTON L. , CIRILLO P. F. , MICHAEL J. P. , SIMON C. D. , WALTER D. S.
Published: May 2016

The title reaction represents a novel method for the construction of C‐C bonds and generally proceeds with high regio‐ and stereocontrol.
ChemInform Abstract: Conversion of 19‐Nortestosterone to β‐Estradiol.
Authors: AL‐HASSAN M. I.
Published: May 2016

The cyclohexenones (I) are phenylselenenylated and then oxidized to produce the corresponding phenols (IV).
ChemInform Abstract: A Convenient General Access to α‐Sulfenylated Acetophenones and Alkanones.
Authors: ISHIBASHI H. , TAKAMURO I. , MIZUKAMI Y. , IRIE M. , IKEDA M.
Published: May 2016

The sulfenylated acetyl chlorides (I) react with the benzenes (II) or the heterocycles (IV) in the presence of excess aluminum trichloride or tin tetrachloride to produce the (het)aromatic sulfenylmethyl ketones (III) and (V) respectively.
ChemInform Abstract: Synthesis of Substituted trans‐1,6‐Dimethylbicyclo(4.3.0)non‐2‐enes Using a Claisen Rearrangement of α‐(Thioalkoxy) Esters.
Authors: RICHARDSON S. K. , SABOL M. R. , WATT D. S.
Published: May 2016

The crucial step in the synthesis of the target compounds (V) is the Claisen rearrangement of the allylic α‐mercapto esters (III).