bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Simple Oxidations of Pyridines: Zinc Sulfates or Natural Sand as Remarkably Specific Catalysts.
Authors: GILLARD R. D. , HALL D. P. J.
Published: May 2016

Treatment of a mixture of pyridine (I) and pure laboratory sand with oxygen or air results in an C‐C coupling reaction, forming 4,4'‐bipyridyl (II).
ChemInform Abstract: Reactions of Diorganosilylenes with Carbon Monoxide.
Authors: PEARSALL M.‐A. , WEST R.
Published: May 2016

The interaction of the photochemically generated diorganylsilylenes (II) and (VII) with CO (III) in frozen 3‐methylpentane at 77 K is investigated using UV/VIS spectroscopy.
ChemInform Abstract: Organo‐Tin Clusters. Part 4. Cubic, Butterfly, and Oxygen‐Capped Clusters of n‐Butyloxotin Phosphinates. A New Class of Organo‐Tin Compounds.
Authors: HOLMES R. R. , SWAMY K. C. K. , SCHMID C. G. , DAY R. O.
Published: May 2016

Reaction of butylstannoic acid (II) with the phosphinic acids (I) leads to new types of structural forms of hexacoordinated tin, to the new cubic clusters (IIIa) and (IIIb), and additional to the known cube (IIIc) to the "butterfly" cluster (IV).
ChemInform Abstract: Triphenylbismuth Seven‐Coordinate Complexes of Molybdenum(II) and Tungsten(II).
Authors: BAKER P. K. , FRASER S. G. , MATTHEWS T. M.
Published: May 2016

The reaction of the seven‐coordinated complexes (I) with one or two BiPh3 (II) occurs with substitution of acetonitrile to give the mono‐ and di(triphenylbismuth) derivatives (III) and (V).
ChemInform Abstract: Nonaqueous Spray‐Drying as a Route to Ultrafine Ceramic Powders.
Authors: ARMOR J. N. , FANELLI A. J. , MARSH G. M. , ZAMBRI P. M.
Published: May 2016

For Al2O3 and Y2O3/ZrO2 it is demonstrated that the preparation and spray‐drying of ceramic powders from nonaqueous solvents (alcohols, e.g., PrOH/MeOH) yields fine, highly sinterable powders.
ChemInform Abstract: Excited States of Titanium(2+): Sharp‐Band and Broad‐Band Near‐Infrared Luminescence from Ti2+ in MgCl2 and MgBr2.
Authors: JACOBSEN S. M. , GUEDEL H. U. + , DAUL C. A.
Published: May 2016

Absorption and luminescence spectral investigations of Ti2+(3d2) doped into the MgCl2 host show a sharp‐band near‐IR emission at low temp. with a radiative decay time of 109 ms.
ChemInform Abstract: Evaluation of Alloy Anodes for Aluminum‐Air Batteries. Part 3. Mechanisms of Activation, Passivation, and Hydrogen Evolution.
Authors: MACDONALD D. D. , REAL S. , URQUIDI‐MACDONALD M.
Published: May 2016

The electrochemical behavior of pure Al and six Al alloys containing elements such as Ga, In, Tl, Mg and Mn is studied in 4 M KOH at 25, 50, and 80 °C. A technique has been developed to delineate the cathodic and anodic partial reactions during polarization.
ChemInform Abstract: Formation of Bridged Bicycloalkanedithiols in the Reactions of 1‐Substituted‐3‐(2‐oxocycloalkyl)‐1‐propanones with Hydrogen Sulfide and Boron Trifluoride Etherate.
Authors: KLIMENKO S. K. , TYRINA T. I. , SOROKIN N. N.
Published: May 2016

In the presence of excess BF3·Et2O the reaction between the propanones (I) specified in the title and H2S (II) affords the title compounds (III) along with some known thiopyrans.
ChemInform Abstract: Reactivities of Stable Rotamers. Part 22. Lewis Acid Catalyzed Reactions of 3‐(1,4‐Disubstituted 9‐Triptycyl)‐3‐methylbutanoyl Chloride: Isolation of Rotameric Ketones and Competition Between Cyclizations to Substituted and to Unsubstituted Benzene Rings.
Authors: TANAKA T. , YONEMOTO K. , NAKAI Y. , YAMAMOTO G. , OKI M.
Published: May 2016

The ap‐rotational isomer (IA) of the title acid is prepared in 5 steps starting from 9‐anthrone; its sc‐counterpart (IB) arises from a similar procedure including thermal isomerization of an ap‐intermediate into its sc‐isomer.
ChemInform Abstract: Preparation of Alkyl‐Substituted Biphenylenes by the Pyrolytic Extrusion of Nitrogen from Benzo(c)cinnolines.
Authors: WILCOX C. F. JUN. , LASSILA K. R. , KANG S.
Published: May 2016

Flash vacuum pyrolysis of the benzocinnoline (I) yields the products (II) ‐ (V) as shown in the reaction scheme.
ChemInform Abstract: Late Transition Metal μ‐Oxo and μ‐Imido Complexes. Part 3. Sequential Insertion of CO into Rhodium‐Nitrogen μ‐Imido/Amido Bonds: Formation of Isocyanate and Dimetallocycloimide Complexes.
Authors: GE Y.‐W. , SHARP P. R.
Published: May 2016

(Ia) (or tautomeric mixtures with (IV) in the case of (Ib)) react with 1 equiv. of CO in a rapid reaction to give (III) or a compound corresponding to (III), which is unstable and decompose on standing or attempted isolation.
ChemInform Abstract: Bonding of Polynuclear Heteroaromatic Nitrogen Ligands to (Pentamethylcyclopentadienyl)rhodium Dication: The Role of Nitrogen versus π‐Complexation on the Regioselective Hydrogenation of the Nitrogen Ring.
Authors: FISH R. H. , KIM H.‐S. , BABIN J. E. , ADAMS R. D.
Published: May 2016

The reactions of quinolines with (I) are studied to ascertain the mode of bonding.
ChemInform Abstract: Chemistry of In‐Plane Coordinated Double Bonds. Coordinated Alkyl and Aryl Migration to Adjacent Exocyclic Olefin in Alkyl(or aryl)halo(5‐methylenecyclooctene)platinum(II).
Authors: RAKOWSKY M. H. , WOOLCOCK J. C. , RETTIG M. F. , WING R. M.
Published: May 2016

The η4‐methylenecyclooctene‐Pt(II) complex (I) and its dibromo analogue, which has an unusual "in‐plane" coordinated olefin, show marked reactivity enhancements compared to typical dihalo(η4‐diene)‐Pt(II) models.
ChemInform Abstract: Magnetoadsorption of NO on Iron Oxides.
Authors: OZEKI S. , UCHIYAMA H.
Published: May 2016

It is demonstrated that NO adsorption is enhanced when a magnetic field is applied to the NO‐iron oxide (magnetite, maghemite, hematite) systems; the amount of adsorbed NO increases by 0.5% for an applied field of 7.5 kG.
ChemInform Abstract: Influence of Sodium Fluoride on the Reaction of Chromium(III) Oxide with Na2O‐P2O5 Melts.
Authors: NAGORNYI P. G. , SLOBODYANIK N. S. , KORNIENKO Z. I. , LUGOVSKAYA E. S.
Published: May 2016

The reactions between Cr2O3 and sodium phosphates are studied in the liquid phase at 800‐1050 °C in the presence and in the absence of NaF.
ChemInform Abstract: Polar Effects in Radical Addition Reactions: Borderline Cases.
Authors: GIESE B. , HE J. , MEHL W.
Published: May 2016

The kinetics of the addition reactions of the radicals (II) and (VII) (ranging from electrophilic (IIa) to nucleophilic (VII)) to styrenes of type (III) are determined.
ChemInform Abstract: Reaction of Dilithiated Carboxylic Acids with Iodine: Evidence for the Formation of a Radical Anion Intermediate.
Authors: RENAUD P. , FOX M. A.
Published: May 2016

Several carboxylic acids are converted to the corresponding dianions by treatment with two equivalents of LDA or BuLi.
ChemInform Abstract: Incorporation and Deoxygenation of Carbon Dioxide: A Metal‐Assisted Facile Conversion of Carbon Dioxide and Primary Amines to Isocyanates.
Authors: BELFORTE A. , BELLI DELL'AMICO D. , CALDERAZZO F.
Published: May 2016

Reaction of various complex precursors such as (I) with prim. amines (II) and CO2 (III) yields the N‐alkylcarbamato complexes (IV), which are readily decomposed by acyl halides such as (V) to give the products resulting from two reaction pathways: one affords the isocyanate (VI) and the carboxylic anhydride (VII), while the other leads to decarboxylation and formation of the amide (VIII).
ChemInform Abstract: Bicyclo(6.1.0)nonynes.
Authors: ANTONY‐MAYER C. , MEIER H.
Published: May 2016

The title compound (II) is prepared by bromination of the bicycle (I) followed by dehydrobromination.
ChemInform Abstract: Facile Synthesis of Pyrazolo(3,4‐b)pyridines.
Authors: BABAQI A. , EL‐SHEKEIL A. , HASSAN M. , SHIBA S.
Published: May 2016

When the cyclohexanone (VI) or the diphenylpyrazolinone (I) react with the unsaturated aromatic ketones (V) and ammonium acetate (VII), cyclocondensation with concomitant elimination of the aryl moiety takes place, producing the fused pyrazoles (VIII) or (IX).
ChemInform Abstract: Syntheses, Structures, and Bond Relationships in Mono‐ and Bicyclic 1,3,2,4,6‐Dithiatriazines.
Authors: MAGGIULLI R. , MEWS R. , STOHRER W.‐D. , NOLTEMEYER M. , SHELDRICK G. M.
Published: May 2016

The reaction of the dithiatriazine dichloride (III) with the compounds (II), (IV), (VII), (VIII) gives rise to the title compounds (I), (V), (VI), or (IX).
ChemInform Abstract: Synthesis and Characterization of New Se‐ and S‐Containing Boron Heterocycles: 2,3‐Dihydro‐1,2,3‐selenazaboroles and 3H‐2,1,3‐Thiaselenaboroles.
Authors: HABBEN C. D.
Published: May 2016

The 3‐alkyl‐1,2,3‐diselenaboroles (I) react with the sulfur diimides (II), (IV), (V), and (VII) by formation of the hitherto unknown 3‐alkyl‐1,2,3‐selenazaboroles (III) and (VI) depending on the N‐substituents of the sulfur diimides.
ChemInform Abstract: A Convenient Synthesis of Primary Amines by N‐Alkylation of Cyclic Potassium Disilylamides.
Authors: HOSOMI A. , KOHRA S. , TOMINAGA Y. , INABA M. , SAKURAI H.
Published: May 2016

Metalation of the disilapyrrolidine (Ia) and the disilapiperidine (Ib) with potassium hydride, followed by alkylation with the alkyl halides (II), yields the N‐alkylated derivatives (III).
ChemInform Abstract: Monoolefin Cobalt(0) Complexes.
Authors: KLEIN H.‐F. , LULL G. , RODENHAEUSER B. + , CORDIER G. , PAULUS H.
Published: May 2016

The mononuclear Co(0) complexes (IVa)‐(IVc) are obtained by reduction of CoCl2 in the presence of the ligands as demonstrated for (IVa).
ChemInform Abstract: Dehydrooligopeptides. Part 10. Useful Synthetic Method for (E)‐ and (Z)‐Isomers of Dehydroaspartic Acids, and Their δ1,2‐Dehydrodipeptides by the Base‐Catalyzed β‐Elimination.
Authors: SHIN C. , OBARA T. , MORITA S. , YONEZAWA Y.
Published: May 2016

Various kinds (III), (IV), (V), (VIII), (IX), (X) of (E)‐ and (Z)‐dehydroaspartic acid derivatives are successfully synthesized.
ChemInform Abstract: Architecture of MoO3‐TiO2 Catalysts.
Authors: MACHEJ T. , DOUMAIN B. , YASSE B. , DELMON B.
Published: May 2016

A series of MoO3‐anatase catalysts are prepared by grafting and impregnation methods and characterized by XRD, FTIR, SEM, XPS, and ISS in order to determine the nature of MoO3 when the monolayer coverage is exceeded.
ChemInform Abstract: Chemistry on Rigid Interfaces. Part 12. Reduction Studies on Azo and Disulfide Groups Covalently Linked to the Interface of Aerosil.
Authors: HORNER L. , VOGT M.
Published: May 2016

Aerosils (I)‐(IV) are prepared (only one example (Ia) is given in the scheme) in order to gain information about an electron transfer/distance relationship in electroreduction processes (and with other reducing agents).
ChemInform Abstract: Intermediates in the Epoxidation of Alkenes by Cytochrome P‐450 Models. Part 2. Use of the trans‐2,trans‐3‐Diphenylcyclopropyl Substituent in a Search for Radical Intermediates.
Authors: CASTELLINO A. J. , BRUICE T. C.
Published: May 2016

The (Z)‐bis(diphenylcyclopropene)ethene (I) is used to search for radical intermediates in the epoxidation reactions of cytochrome P‐450 model systems.
ChemInform Abstract: The Chlorination of Ketones Using Trimethylchlorosilane and Dimethyl Sulfoxide with Bromide Ion Catalysis.
Authors: FRASER R. R. , KONG F.
Published: May 2016

The ketones (I) are treated with trimethylchlorosilane in the presence of dimethyl sulfoxide and catalytic amounts of tetrabutylammonium bromide, producing the α‐chloro ketones (II).
ChemInform Abstract: Synthesis of the Transient Formyl Complex (CH3N(PF2)2)3Co2(CO)(CHO)‐ and Observation of Facile Formyl Decomposition to Give the Mixed‐Valence Complex (CH3N(PF2)2)3Co2(CO)·‐ 2.
Authors: DUMOND D. S. , RICHMOND M. G.
Published: May 2016

The reduction of the dicobalt complex (I) with excess LiEt3BH affords a solution containing the CO formyl complex (II) which is characterized in situ by IR, 1H and 13C NMR spectroscopy.
ChemInform Abstract: An Efficient and Stereoselective Synthesis of D‐erythro‐Sphingosine.
Authors: RADUNZ H.‐E. , DEVANT R. M. , EIERMANN V.
Published: May 2016

Nucleophilic additions of Grignard reagents or organolithium compounds to serinal (I) yields in all cases the corresponding erythro alcohols of type (III) as main products.
ChemInform Abstract: Crystallographic and Magnetic Structure of TbFe10V2 and ErFe10V2
Authors: HELMHOLDT R. B. , VLEGGAAR J. J. M. , BUSCHOW K. H. J.
Published: May 2016

are studied to obtain information on the origin of the magnetocrystalline anisotropy observed in LnFe10V2 (Ln: lanthanoids) compounds.
ChemInform Abstract: Polycyclic Benzenoid Systems.
Authors: GRUENDLER W. +
Published: May 2016

Superposition of significant electron structures is used to estimate the mesomerism stabilization of polycyclic benzenoid systems by consideration of the number of Kekule structures and of benzenoid interactions between them.
ChemInform Abstract: Palladium‐Catalyzed Tandem Cyclization‐Anion Capture Processes. Hydride Ion Capture by Vinylpalladium Species.
Authors: BURNS B. , GRIGG R. , SRIDHARAN V. , WORAKUN T.
Published: May 2016

N‐Alkynyl‐2‐iodoanilines such as (I) or (IV) undergo Pd‐mediated ring closure, forming indoles, e.g. (II) or (III), and isoquinoline derivatives, e.g. (V) or (VI), respectively.
ChemInform Abstract: A Convenient Synthesis of 6‐Formyl‐5‐deazapterin.
Authors: TAYLOR E. C. , YOON C.‐M.
Published: May 2016

The pyrimidinone (I) undergoes cyclocondensation with bromomalonaldehyde (II), forming the bromodeazapterin (III).
ChemInform Abstract: A Strategy for the Asymmetric Synthesis of Medium Ring Oxygen Heterocycles: Enantioselective Total Synthesis of (+)‐Octahydrodeacetyldebromolaurencin.
Authors: CLARK J. S. , HOLMES A. B.
Published: May 2016

The cycloheptanonimine (I) is ethylated and then oxidatively cleaved to give the 2‐ethylcycloheptanone (III).
ChemInform Abstract: Synthesis and NMR Spectra of Methylphenyl‐Substituted Trisilylphosphanes PSi3MenPh9‐n.
Authors: HASSLER K.
Published: May 2016

The title trisilylphosphanes are formed as demonstrated for the examples (III), (IV) and (VI).
ChemInform Abstract: A Seleno‐Pummerer Rearrangement of Haloselenuranes.
Authors: NAKAYAMA J. , SUGIHARA Y.
Published: May 2016

The methyl ketones (I) react with selenium oxychloride (II) to form the di(acylmethyl)selenium dichlorides (III) which are rearranged upon treatment with triethylamine or heating to give the acylmethyl acylchloromethyl selenides (IV).
ChemInform Abstract: Formation and Crystal Structure of a Simple Carbanion Complex of Cobalt(III).
Authors: BJERRUM M. J. , GAJHEDE M. , LARSEN E. , SPRINGBORG J.
Published: May 2016

Each of the three geometric isomers of the simple Werner‐type coordination compound (I) reacts with strong base within minutes to form the same alkyl‐cobalt(III) complex (II), crystallizing in P21 with Z=2.
ChemInform Abstract: Synthetic and Fluxional Behavior of M(1,5‐cyclooctadiene)(tripod)+BF4 (M: Rh, Ir; tripod: HC(PPh2)3).
Authors: EL‐AMOURI H. , BAHSOUN A. A. , OSBORN J. A.
Published: May 2016

The title complexes (III) are synthesized according to the scheme and are NMR (1H, 31P) spectroscopically characterized.
ChemInform Abstract: Synthesis and Coordination Chemistry (with Platinum(II) and Molybdenum(0)) of New Bis(bis(trifluoromethyl)phosphano)alkanes. Structure of a New Bis(phosphano)methanide Complex.
Authors: PHILLIPS I. G. , BALL R. G. , CAVELL R. G.
Published: May 2016

Diphosphines, in part for the first time, are prepared in yields between 55 and 67% by an improved procedure heating (CF3)2P‐P(CF3)2 and the corresponding diiodoalkane at 130 °C. These highly π‐acidic ligands react with PtCl2(PhCN)2 or cis‐Mo(CO)4(piperidine)2 in CHCl3 at 70 or 80 °C, respectively, to give the complexes (I) or (II).
ChemInform Abstract: Electronic Spectra of the Solvated Cations of Chromium(III) and Manganese(II) in Anhydrous Hydrogen Fluoride.
Authors: BARRACLOUGH C. G. , COCKMAN R. W. , O'DONNELL T. A. , SNARE M. J.
Published: May 2016

The UV/VIS spectra of Cr(OH2)63+ and Mn(OH2)62+ in H2O and of Cr(FH)63+ and Mn(FH)62+ in anhydrous HF are recorded.
ChemInform Abstract: Microstructure and Superconducting Properties of High‐Density Consolidated YBa2Cu3Ox.
Authors: SHELTON R. N. , ANDREASEN D. , KLAVINS P. , CHAN H. W. , OSLIN B. L. , ANDERSON R. L.
Published: May 2016

Sintered bulk samples of YBa2Cu3Ox of 95‐99% theoretical density are consolidated by a one‐step densification process.
ChemInform Abstract: Conformational Calculations on Odoriferous Molecules of Sandalwood. Part 1. The Search for the Odoriferous Principle of Sandalwood Oil.
Authors: BEYER A. , WOLSCHANN P. , BECKER A. , PRANKA E. , BUCHBAUER G.
Published: May 2016

The conformations of camphenylcyclohexanol (I) and a new synthetic sandalwood odor compound, the decalinol (II), are investigated by MM and AM 1 calculations.
ChemInform Abstract: Uncommon Complex Stoichiometry in Solvent Extraction: Solution‐Phase Dicationic Complex Formation of Crown Ethers.
Authors: INOUE Y. , LIU Y. , AMANO F. , OUCHI M. , TAI A. , HAKUSHI T.
Published: May 2016

Quantitative solvent extraction studies and determination of the extraction equilibrium constants show that dicationic complexes in the solution phase are obtained with the ligand‐cation combinations: 18‐crown‐6 with Li+; 24‐crown‐8 with Li+, Na+, K+; dibenzo‐24‐crown‐8 with Na+, K+, Ag+, Sr2+.
ChemInform Abstract: The Effect of Substitution and Stereochemistry on Ion Binding in the Polyether Ionophore Monensin.
Authors: SMITH P. W. , STILL W. C.
Published: May 2016

From monensin (Ia) the derivatives (Ib)‐(Ie) are prepared by conventional routes via the key intermediate (II).
ChemInform Abstract: Proton Nuclear Magnetic Resonance Studies on Hemin Chloride in Pyridine‐Water Solution.
Authors: MAZUMDAR S. , DUGAD L. B. , MEDHI O. K. , MITRA S.
Published: May 2016

The investigation by high‐resolution (500 MHz) 1H NMR spectroscopy shows that on addition of a small amount of water (50% or less by weight) to a pyridine solution of the title compound protoporphyrin IX iron(III) chloride, several six‐coordinate Fe(III) porphyrin species exist in solution in equilibrium.
ChemInform Abstract: Natural Bithiophenes as Singlet Oxygen Sensitizers.
Authors: D'AURIA M. , D'ONOFRIO F.
Published: May 2016

All the 5 bithiophenes "cat." and (III) catalyze the photooxidation of olefin (I) (to (II); isolated as adamantanone after GLC) and isoprene (IV) (to diols (V) and (VI); after NaBH4 reduction).
ChemInform Abstract: Effect of Ring Size on Photoreactivity of Medium and Large Ring Esters.
Authors: KULKARNI V. S. , KULKARNI N. N. , LELE S. R. , HOSANGADI B. D.
Published: May 2016

Photolysis of seven‐ and eight‐membered cyclic esters such as (III) leads to the products (I) or (IV) arising from solvolysis or decarboxylation ascribable to α‐ or β‐scission, respectively.
ChemInform Abstract: Chromium(VI) or Ruthenium(II) Complex Catalysis in Oxidation of Alcohols to Aldehydes and Ketones by Means of Bis(trimethylsilyl) Peroxide.
Authors: KANEMOTO S. , MATSUBARA S. , TAKAI K. , OSHIMA K. , UTIMOTO K. , NOZAKI H.
Published: May 2016

A variety of prim. and sec. alcohols such as (I) are oxidized to the corresponding aldehydes and ketones (II) using bis(trimethylsilyl)peroxide and a Cr6+ or Ru2+ catalyst.
ChemInform Abstract: Oxidation of Enamines to α‐Hydroxy Ketones and α‐Amino Ketones Using N‐Sulfonyloxaziridines.
Authors: DAVIS F. A. , SHEPPARD A. C.
Published: May 2016

The disubstituted enamines (I) and (III) are treated with N‐sulfonyloxaziridines, e.g. a chiral camphonylsulfonyloxaziridine, to produce the 2‐amino ketones (II) and (IV).
ChemInform Abstract: Concerning the Reactivity of 1,2:3,4‐Diepoxides Towards Nucleophiles.
Authors: ESSER T. , SEQUIN U.
Published: May 2016

The anti‐benzene dioxides (I) react with butyllithium (II) to give the butylated epoxycyclohexenols (III).
ChemInform Abstract: General Reactivity of 2‐Lithiobenzothiazole to Various Electrophiles and the Use as a Formyl Anion Equivalent in the Synthesis of α‐Hydroxy Carbonyl Compounds.
Authors: CHIKASHITA H. , ISHIBABA M. , ORI K. , ITOH K.
Published: May 2016

The lithium salt derived from (I) reacts with a variety of electrophiles such as the carbonyl compounds (II) to give the expected addition products (III).
ChemInform Abstract: Ligand Coupling Through σ‐Sulfurane. Complete Retention of Geometric Configuration of Allylic and Vinylic Groups in the Reactions of Allylic and Vinylic Sulfoxides with Grignard Reagents.
Authors: OAE S. , TAKEDA T. , WAKABAYASHI S.
Published: May 2016

(Het)aryl sulfoxides, e.g. the compounds (I), are treated with various Grignard agents such as (II), (V), and (VIII) to yield desulfonated or coupling products.
ChemInform Abstract: A Convenient Preparation of 3‐Methyl‐3,4‐dihydro‐2(1H)‐quinazolinone.
Authors: COLEC F. A. JUN. , REILLY L. W. JUN.
Published: May 2016

2‐Chloromethylnitrobenzene (I) reacts with excess methylamine (II) to give mixtures of the secondary and tertiary amines (III) and (IV) which are separated via the hydrochlorides.
ChemInform Abstract: Enantiomerically Pure (R)‐2‐Methyl‐3‐oxo‐perhydro‐1,4‐oxazine.
Authors: DANKLMAIER J. , HOENIG H. +
Published: May 2016

The first synthesis of the enantiomerically pure title compound (IV) is accomplished by the route shown in the scheme starting from the compounds (I) and (II).
ChemInform Abstract: A Facile Synthesis of (1,2,4)Triazino(3,2‐f)purines and (1,2,4)Triazepino(3,2‐f)purines.
Authors: UEDA T. , ADACHI T. , NAGAI S. , SAKAKIBARA J. , MURATA M.
Published: May 2016

7,8‐Diamino‐1,3‐dimethylxanthine (I) reacts with the diketones (II) to give the triazinopurines (III) which are reduced to yield the tetrahydro compounds (IV).
ChemInform Abstract: Asymmetric Borane Reduction of Ketones Catalyzed by Oxazaborolidine.
Authors: YOUN I. K. , LEE S. W. , PAK C. S.
Published: May 2016

The borane dimethyl sulfide complex (II) and (S)‐2‐indolinecarboxylic acid (I) produce the oxazaborolidine (IV) via the intermediate carbinol (III).
ChemInform Abstract: Electron Spin Resonance Studies of Organometallic Manganese(0) Radicals Spin‐Trapped by 9,10‐Phenanthroquinone and Its Derivatives.
Authors: WANG S. R. , CHENG C. P. , HO T.‐I.
Published: May 2016

A series of Mn(0) radicals of type (III) are obtained by photochemical reaction (III) and their substitution products (IV) are investigated by ESR spectroscopy.
ChemInform Abstract: Synthetic Design of MLCT Excited States. Ligand‐Substituted, Mono‐2,2′‐bipyridine Complexes of Ru(II).
Authors: BARQAWI K. R. , LLOBET A. , MEYER T. J.
Published: May 2016

The photochemical and photophysical properties of the complexes (I) (prepared in 90‐95% yield by pyridine substitution of the corresponding aqua complexes) are investigated.
ChemInform Abstract: New Strategies for Annulations: A Highly Convergent and Stereoselective Synthesis of an Octahydronaphthalene Synthon for Dihydrocompactin.
Authors: MARINO J. P. , LONG J. K.
Published: May 2016

The title octahydronaphthalene derivative (VIII), prepared from the ketone (I), is easily transformed to the known synthon (IX) for dihydrocompactin.
ChemInform Abstract: Theoretical Investigation of Next Neighbor Interactions and Ring Strain in Linear and Monocyclic Phosphanes
Authors: SCHIFFER H. , AHLRICHS R. , HAESER M. +
Published: May 2016

(PH3, P2H4, P3H5, P3H3, P4H4, P5H5).
ChemInform Abstract: Temperature Programmed Reduction and XPS Studies of La2‐xSrxCuO4.
Authors: UEDA A. , OKAMOTO Y. , IMANAKA T.
Published: May 2016

La2CuO4 is reduced in two consecutive steps and Cu+ is detected as a stable intermediate.
ChemInform Abstract: An Enantioselective Method for Reductive Alkylation of Aromatic Carboxylic Acid Derivatives. Examination of the Factors that Provide Stereoselectivity.
Authors: SCHULTZ A. G. , MACIELAG M. , SUNDARARAMAN P. , TAVERAS A. G. , WELCH M.
Published: May 2016

A detailed examination is given of the factors which control the stereoselectivity of alkylation of chiral amide enolates such as (III) or (IX) generated by Birch reduction of substrates such as (I) or (VIII).
ChemInform Abstract: Stereoselective (3 + 2) and Stereospecific (2 + 2) Cycloaddition Reactions of Alkenes and Quinones.
Authors: ENGLER T. A. , COMBRINK K. D. , RAY J. E.
Published: May 2016

Reaction of trans‐methylstyrenes such as (I) with benzoquinones such as (II) in the presence of Ti(IV) catalysts (method A) or B)) gives rise to trans‐dihydrobenzofurans such as (III), in part accompanied by significant amounts of cyclobutanes such as (IV).
ChemInform Abstract: Photoreactions in Crystals with Ethenes: Selectivities and Crystal Engineering.
Authors: KAUPP G. , FREY H. , BEHMANN G.
Published: May 2016

1. Photoreactions in crystals of sterically hindered dimethylenecyclopentanones (I) and trimethylenepentanes (IV) lead to E/Z isomerization (→ (II), (III)) or 1,5‐H shifts (→ (V)).
ChemInform Abstract: The Oxidative‐Rerrangement of Nitrogen Heterocycles with Lead Tetraacetate and tert‐Butyl Hypochlorite.
Authors: ZEY R. L.
Published: May 2016

1‐Amino‐2‐indolinones (I) react with lead tetraacetate to give the cinnolinones (II) which are also obtained from the dihydrocinnolinones (III) in the same way.
ChemInform Abstract: Electroreduktion of Organic Compounds. Part 12. Formation of 1,3‐Dithiolanes and 1,3‐Dithianes on Electroreduction of ω‐Chloroalkyl Dithiocarboxylates.
Authors: GADE T. , STREEK M. , VOSS J.
Published: May 2016

The electroreduction of the title thioesters (III) yields the cyclic thioacetals (IV) and (V).
ChemInform Abstract: Separation of Benzene and 2H‐Substituted Benzene via Potassium Reduction.
Authors: STEVENSON G. R. , STURGEON B. E. , VINES K. S. , PETERS S. J.
Published: May 2016

Benzene‐d6 can be partially separated from mixtures of benzene‐d6 and benzene simply by 1. reducing a mixture of C6H6/C6D6 containing a molar deficient amount of 18‐crown‐6 (18C6) with K metal, 2. distillation of the neutral benzenes from the metal‐crown‐anion radical complex, 3. reoxidation of the radical anion with I2 back to the neutral benzenes.
ChemInform Abstract: Organosulfur Chemistry. Part 55. Fluorodestannylation. A Powerful Technique to Liberate Anions of Oxygen, Sulfur, Selenium, and Carbon.
Authors: HARPP D. N. , GINGRAS M.
Published: May 2016

Fluoride ions smoothly destannylate organotin chalcogenides, which act as "group 16 (VIB) transfer agents", to liberate nucleophilic chalcogenide ions; in the presence of crown ethers these "naked" nucleophiles are used for the preparation of sym. ethers such as (III), unsym. ethers such as (VI) or selenides such as (IX).
ChemInform Abstract: Selective Synthesis of Isomeric Cyclotrideca‐1,5‐dienes.
Authors: HAUFE G. , TRAUER H.
Published: May 2016

The (E,E)‐title compound (IV) is synthesized from the known dienyne (I) while the (E,Z)‐title compound (IX) is obtained from the isomeric mixture of ketoesters (VII) and (VIII) by successive saponification, decarboxylation, and reduction of the corresponding semicarbazones (cf.
ChemInform Abstract: Synthesis of 5‐Alkylpyrrolizidin‐3‐ones from the Lukes‐Sorm Lactam by Grignard Reaction and Recyclization of Intermediate 5‐Bromoalkylpyrrolidin‐2‐ones.
Authors: TAKAHASHI K. , BROSSI A.
Published: May 2016

The keto lactams (I), obtained from pyrrolizidine‐3,5‐dione and Grignard compounds, are reduced with sodium borohydride fixed on silica gel to give the alcohols (II).
ChemInform Abstract: Synthesis of Bis(2,5‐dimethylpyrrolo(3,4‐d))tetrathiafulvalene, an Anellated TTF Derivative with Good Electron Donor Properties.
Authors: CHEN W. , CAVA M. P. , TAKASSI M. A. , METZGER R. M.
Published: May 2016

The title compound (X), the synthesis of which is outlined in the scheme, is found to be a stronger electron donor than the known potent one‐electron donor (XI) (TTF).
ChemInform Abstract: Regioselective α‐Lithiation of Unsymmetrical 1‐(tert‐Butoxycarbonyl)‐1,4‐dihydropyridines.
Authors: COMINS D. L. , WEGLARZ M. A.
Published: May 2016

The 3‐substituted pyridines (I) are transformed into the dihydropyridines (VI) which produce a mixture of the isomeric dihydropyridines (VIII) and (IX) upon lithiation and subsequent methylation.
ChemInform Abstract: Cerium(IV) Oxidations of β‐Amino Ketones. Part 7. Synthesis of 4‐Benzoylisoquinoline and of the Corresponding Lactam.
Authors: HOLZGRABE U.
Published: May 2016

Cyclooxidation of the benzylaminopropiophenone (I) with cerium(IV) sulfate yields 4‐benzoylisoquinoline (II) which is N‐alkylated with methyl iodide (III) to give the methoiodide (IV).
ChemInform Abstract: Synthesis of α,β‐Unsaturated γ‐Butyrolactams by Knoevenagel Condensation.
Authors: IKEDA M. , UCHINO T. , MARUYAMA K. , SATO A.
Published: May 2016

The 2‐aminocyclohexenones (I) are coupled with ethyl chlorocarbonylacetate (II) to give the carboxamides (III) and the tetrahydroindolones (IV).
ChemInform Abstract: Reactions of N‐Methyl γ‐, δ‐, and ε‐Lactams with tert‐Butyl Perbenzoate.
Authors: EASTON C. J. , PETERS S. C. , LOVE S. G.
Published: May 2016

Treatment of the N‐methylpyrrolidone (I) with tert‐butyl perbenzoate (II) results in the formation of the alcohols (III) and (V) and the corresponding esters (V) and (VI).
ChemInform Abstract: Studies on Friedel‐Crafts Acylation of N‐Acetylhomoveratrylamine and Preparation of 1‐Substituted 3,4‐Dihydro‐6,7‐dimethoxyisoquinolines.
Authors: ORITO K. , MATSUZAKI T. , SUGINOME H. , RODRIGO R.
Published: May 2016

Acylation of N‐acetylhomoveratrylamine (I) with the acid chlorides (II) gives the ketones (III) which undergo acid‐catalyzed cyclization, producing the dihydroquinolines (IVa) or (V).
ChemInform Abstract: 2‐Amino‐1‐phenylphospholes from Dichloro(phenyl)phosphine and Enamines.
Authors: TAN W. H.‐L. W. , FOUCAUD A.
Published: May 2016

Dichloro(phenyl)phosphine (I) reacts with two equivalents of the enamines (II), forming the phospholes (III).
ChemInform Abstract: Synthesis, Structure, and Reactions of (1‐Ethoxyethyl)zirconocene Chloride, a Stable Acyclic Secondary Zirconocene Alkyl.
Authors: BUCHWALD S. L. , NIELSEN R. B. , DEWAN J. C.
Published: May 2016

The title compound (III), a 18‐electron complex with a η2‐ethoxyethyl ligand, is prepared according to the scheme and characterized by X‐ray structure analysis (space group P21/n, Z=4).
ChemInform Abstract: (Fp‐η1‐1‐norbornylmethylidene)+ to (Fp‐η2‐(2‐bicyclo(3.2.1)octene))+ Rearrangement. Iron(II) Alkylidene to Iron(II) Alkylidene Isomerization via Ligand Rearrangement.
Authors: BLY R. S. , SILVERMAN G. S. , BLY R. K.
Published: May 2016

HBF4 treatment of the alkoxide (I) leads via the title rearrangement (II) → (III) to the exo‐olefin complex (IV); the endo‐analogue (V) is also observed at lower temperatures.
ChemInform Abstract: Model Studies Directed Toward Forskolin: Synthesis of a Tricyclic Model Compound from Farnesol.
Authors: SCHERKENBECK J. , BARTH M. , THIEL U. , METTEN K.‐H. , HEINEMANN F. , WELZEL P.
Published: May 2016

In a series of model reactions directed toward forskolin (VIII), a positive result is found for the reaction of the sulfone (I) with the oxirane (II).
ChemInform Abstract: Amino Acids. Part 12. Syntheses of D,L‐Cysteines from Acrylic Acid Derivatives.
Authors: EFFENBERGER F. , BEISSWENGER T. , DANNENHAUER F.
Published: May 2016

The addition of sulfenyl chlorides such as (I) to the acrylate (II) gives mixtures of esters such as (III) and (IV) whereas addition of thiols (V) to the chloropropenate (VI) provides (III) exclusively.
ChemInform Abstract: Stereochemistry of the Wagner Hydroxylation of the Diastereomeric (4Z)‐ and (4E)‐1,1,3‐Trimethoxy‐2‐bromo‐4‐hexenes. Synthesis of the Acyclic Acetals of the 3‐O‐Methyl‐2‐bromo‐2,6‐didesoxy‐D,L‐hexoses and of the 3‐O‐Methyl‐2,6‐didesoxy‐D,L‐hexoses.
Authors: RAIFEL'D YU. E. , ARSHAVA B. M. , MOROZHENKO YU. V. , MAKIN S. M.
Published: May 2016

The Wagner hydroxylation according to method A) of (I) and (VI) and, analogously, of their threo isomers proceeds with high stereoselectivity to afford separable mixtures of the eight 3‐O‐methyl‐2‐bromo‐2,6‐didesoxy‐D,L‐hexose dimethyl acetals that are possible.
ChemInform Abstract: Stereochemistry of Enzymatic Formation of the Berberine Bridge in Protoberberine Alkaloids.
Authors: FRENZEL T. , BEALE J. M. , KOBAYASHI M. , ZENK M. H. , FLOSS H. G.
Published: May 2016

Berberine bridge enzyme operates stereospecifically in the ring closure reaction of reticuline (I) to give scoulerine (II).
ChemInform Abstract: The Influence of Sulfide Environment on Hydrogen Evolution at a Stainless Steel Cathode in Alkaline Solution.
Authors: CARTA R. , DERNINI S. , POLCARO A. M. , RICCI P. F. , TOLA G.
Published: May 2016

The data obtained by analysis of the open‐circuit potential decay following interruption of the polarizing current, coupled with steady‐state polarization measurements, indicate that, for H2 evolution at an AISI 316 cathode in 0.1 M NaOH, both molecular recombination and electrochemical desorption can be involved in the overall process as parallel steps.
ChemInform Abstract: New Fused Nitrogen‐Rich Heterocycles from 5,6‐Dichloropyrazine‐2,3‐dicarbonitrile.
Authors: RIED W. , TSIOTIS G.
Published: May 2016

The chlorine atoms of the easily accessible pyrazine (I) can be readily exchanged by amines such as (II) or (VI) yielding the new compounds (III) or (VII) which form the nitrogen‐rich heterocycles (IV) or (VIII) upon treatment with hydrazine hydrate (V).
ChemInform Abstract: 1,2‐Didehydroazepines from the Photolysis of Substituted Aryl Azides: Analysis of Their Chemical and Physical Properties by Time‐Resolved Spectroscopic Methods.
Authors: LI Y.‐Z. , KIRBY J. P. , GEORGE M. W. , POLIAKOFF M. , SCHUSTER G. B.
Published: May 2016

The reaction mechanism of the photolysis of azides of type (I) in the presence and absence of Et2NH (IV) or iPr2NH is investigated by conventional product studies in combination with time‐resolved IR and UV spectroscopy (kinetics) and MNDO calculations on five C6H5N species such as singlet (120) and triplet nitrene (II) (99) and didehydroazepine (III) (100 kcal/mol; X: ‐H).
ChemInform Abstract: Electron Transfer. Part 95. Reductions of Peroxide‐Bound Chromium(IV).
Authors: GHOSH S. K. , LAALI K. , GOULD E. S.
Published: May 2016

The peroxochromium(IV) derivative (I) in aqueous buffered solutions reacts rapidly with vanadium(IV), hexacyanoferrate(II) and Ti(III).
ChemInform Abstract: The Cyclopropane‐Mediated Ring‐Expansion of (4.3.1)Propellenes. A New Route to (5.3.1)Propelladienes.
Authors: BANWELL M. G.
Published: May 2016

The propellane (X) is synthesized in six steps starting from the known compound (I) via the intermediates (II), (III), (V), (VII).
ChemInform Abstract: The Synthesis of Some Pyrimidinyl and Thiazolyl Ureas and Thioureas and Some Related Compounds.
Authors: HURST D. T. , STACEY A. D. , NETHERCLEFT M. , RAHIM A. , HARNDEN M. R.
Published: May 2016

The reaction of aminopyrimidines with isothiocyanates and isocyanates yields thioureas and ureas, resp., such as (III), (V) and (IX).
ChemInform Abstract: A New and Convenient Synthesis of Alkyl‐ and Arylpyrimidines.
Authors: GARCIA MARTINEZ A. , HERRERA A. , MARTINEZ R. , TESO E. , GARCIA A. , OSIO J. , PARGADA L. , UNANUE R. , SUBRAMANIAN L. R. , HANACK M.
Published: May 2016

The vinylic triflates (Ia) ‐ (If), prepared from the corresponding ketones, react with an excess of the nitriles (II) to give the regioisomeric pyrimidines (III) and (IV).
ChemInform Abstract: Hydrosilylation of 1‐Vinylsilatrane.
Authors: NASIM M. , SAXENA A. K. , PANDE L. M.
Published: May 2016

Hydrosilylation of 1‐vinylsilatrane (I) using Speier's catalyst gives the 1,2‐addition products (III).
ChemInform Abstract: Arylimino(halogen)phosphanes XP=NC6H2tBu3 (X: Cl, Br, I) and the Iminophosphenium Tetrachloroaluminate (PNC6H2tBu3) (AlCl4): The First Stable Compound with a PN Triple Bond.
Authors: NIECKE E. , NIEGER M. , REICHERT F.
Published: May 2016

The iminophosphanes (IV) are prepared according to the scheme.
ChemInform Abstract: Synthesis and Structure of a Heterometallic Cluster with a Novel Layered Structure: (W(CO)5SnClFe(CO)4)2(Na2((C2H5)2O)4(C4H8O2)).
Authors: BALCH A. L. , OLMSTEAD M. M. , ORAM D. P.
Published: May 2016

The reaction between (CO)5WSnCl2(THF) and (Fe(CO)4)2‐ in THF at ‐70 °C, expected to form the hypothetical "(CO)5WSn=Fe(CO)4" affords the dimeric title complex (I), crystallizing in P1 with Z=1.
ChemInform Abstract: Kinetics of Formation of Copper(I) by Reduction of Silver(I) Solutions by Metallic Copper and of Copper(II) Solutions by Metallic Nickel in Water + Acetonitrile Mixtures and Their Applications in Hydrometallurgy.
Authors: GILL D. S. , BAKSHI M. S. , SINGH B.
Published: May 2016

The rates of Cu(I) formation in the reaction shown in the scheme are determined under different conditions in H2O + MeCN mixtures aiming at the establishment of the optimum conditions for the Cu(I) formation.
ChemInform Abstract: Synthesis of Nitrogen‐ or Oxygen‐Containing Ring Systems by Palladium‐Catalyzed Intramolecular Olefin Allylations.
Authors: OPPOLZER W. , GAUDIN J.‐M. , BEDOYA‐ZURITA M. , HUESO‐RODRIGUEZ J. , RAYNHAM T. M. , ROBYR C.
Published: May 2016

Various allylic amines, e.g. (I), (III), (XI), and (XIV), undergo Pd‐induced cyclization, yielding vinylpyrrolidine derivatives.
ChemInform Abstract: Dehydrochlorination of Polychloroalkanes and 1,1‐Diaryl‐2,2‐dichloroethanes Under the Action of Mo(CO)6.
Authors: BLINOVA N. V. , KUZ'MINA N. A. , CHUKOVSKAYA E. TS. , VAKHTANGISHVILI L. V. , RUSANOV A. L.
Published: May 2016

Mo(CO)6‐catalyzed dehydrochlorination of the polychloroalkanes (I) and (IV) yields the isomeric chloroolefins (II) and (III) or (V) and (VI).
ChemInform Abstract: 2,2′‐Diphenyl‐δ3,3′‐bi‐3H‐indole‐1,1′‐dioxide. Competitive Demethylation and Redox Reactions.
Authors: BRUNI P. , CONTI C. , TOSI G.
Published: May 2016

Some nitrogen containing compounds such as the picolines (II), 4‐dimethylaminopyridine, and the dimethylamides (III) are examined in order to prove a general behavior of (I) in demethylation‐oxidation reactions.
ChemInform Abstract: Aryl‐ and Arylthiocarbamoylation of 1,3‐Dithiane 1,1,3,3‐Tetroxide Derivatives.
Authors: BAZAVOVA I. M. , NEPLYUEV V. M. , LOZINSKII M. O.
Published: May 2016

The 1,3‐dithiane tetroxides (I) undergo arylcarbamoylation by arylisocyanates or arylthiocarbamoylation by arylisothiocyanates regiospecifically at the activated carbon C(2) of the dithiane system to yield the products (IIIa)‐(IIId).
ChemInform Abstract: Synthesis of Some Substituted Quinazolinediones as Potential Inhibitors of Smooth Muscle Contraction.
Authors: AKGUEN H. + , HOLLSTEIN U. , HURWITZ L.
Published: May 2016

The quinazolinedione (XIII) is synthesized as shown in the reaction scheme.
ChemInform Abstract: The First Transition Metal Complex of a Thermally Labile 1‐Benzothiepin 1‐Oxide from 1‐Benzothiepin(tricarbonyl)iron.
Authors: NISHINO K. , ISHIGAMI S. , TAMURA Y. , IMAGAWA K. , IKUTANI Y. , MURATA I.
Published: May 2016

The preparation of the pale‐yellow title compound (V) can be achieved from the benzothiepin (I) via the tricarbonyliron complexes (III) and (IV).
ChemInform Abstract: Synthesis and Properties of Covalent Organic Perchlorates
Authors: ZEFIROV N. S. , ZHDANKIN V. V. , KOZ'MIN A. S.
Published: May 2016

Review: (141 refs.
ChemInform Abstract: 2‐(Substituted Amino)‐2‐(2′‐hydroxy‐2′‐alkyl(or aryl))ethyltricyclo(3.3.1.13,7)decane Derivatives: A Novel Class of Antihypoxia Agents.
Authors: SWIFT P. A. , STAGNITO M. L. , MULLEN G. B. , PALMER G. C. , GEORGIEV V. ST.
Published: May 2016

The title compounds (VI) and (VIII) represent a novel class of antihypoxia agents.
ChemInform Abstract: Synthesis of Some 2‐Heterocyclylphenothiazines as Potential Antiinflammatory Agents.
Authors: SAWHNEY S. N. , DHINDSA G. S. , VIR D.
Published: May 2016

Cyclocondensation of 2‐chloroacetylphenothiazine (I) with various thioamides or thioureas (II) gives the corresponding thiazolyl derivatives (III).
ChemInform Abstract: Cyclizing Enamine‐Iminium Reaction.
Authors: MOEHRLE H. + , BIEGHOLDT M.
Published: May 2016

The isoquinolinium tosylate (I) is reduced with NaBH4 to yield the corresponding tetrahydroquinoline (II).
ChemInform Abstract: Preparation of Bis(trifluoromethyl)tellurium, Bis(trifluoromethyl)selenium, Bis(trifluoromethyl)diselenium, Tris(trifluoromethyl)antimony, Tris(trifluoromethyl)arsine, Bis(trifluoromethyl)arsenic Iodide, Tris(trifluoromethyl)phosphine, and (Trifluoromethyl)phosphorus Diiodide by Reaction of Bis(trifluoromethyl)mercury with the Group 5 and 6A (15 and 16) Halides.
Authors: GANJA E. A. , ONTIVEROS C. D. , MORRISON J. A.
Published: May 2016

The preparations of the title compounds (I)‐(VI) by heating Hg(CF3)2 with the corresponding halides are described.
ChemInform Abstract: Lithium Organyl Polychalcogenolates.
Authors: KOELLEMANN C. + , OBENDORF D. , SLADKY F.
Published: May 2016

Lithium alkylchalcogenolates such as the butyl derivatives (I) insert chalcogenes (II) which are not less electronegative to produce the dichalcogenolates (III).
ChemInform Abstract: Catalytic Oxidation of Olefins Using Diphenyl Ditelluride.
Authors: KAMBE N. , FUJIOKA T. , OGAWA A. , MIYOSHI N. , SONODA N.
Published: May 2016

The aliphatic olefins (I) react with diphenyl ditelluride (II) and methanol (III) in the presence of oxidizing agents to form the β‐methoxyethyl tellurides (IV).
ChemInform Abstract: Iron(II) Vinylidenes and Chromium Carbene Complexes in β‐Lactam Synthesis.
Authors: BARRETT A. G. M. , MORTIER J. , SABAT M. , STURGESS M. A.
Published: May 2016

Reactions of the chromium carbene (I) or the cationic iron(II) vinylidene complexes (V) and (VII) (which behave as ketene surrogates) with imines such as (II) or the thiazolines (X) give azetidinylidene complexes, which are subsequently oxidized using PhIO, pyridine‐N‐oxide, Br2, air, or (NBu4)NO2 to give monocyclic or bicyclic β‐lactames (IV), (VIII), and (XII).
ChemInform Abstract: Synthesis of Steroidal Spiro(oxathiolanephenyldihydrotetrazoles).
Authors: SHAFIULLAH SHAFIULLAH , SIDDIQUI I. H.
Published: May 2016

The steroidal oxiranes (I) react with 1‐phenyl‐1H‐tetrazole‐5‐thiol (II) to give the steroidal spiro compounds (III) mentioned in the title.
ChemInform Abstract: Aromatic Stabilities of Thiophene Analogues of Helicenes.
Authors: RANDIC M. , GIMARC B. M. , NIKOLIC S. , TRINAJSTIC N.
Published: May 2016

The conjugated circuits model is applied to thia‐helicenes such as (I)‐(IV).
ChemInform Abstract: Oxidation of Amines to Imines with Hypervalent Iodine.
Authors: MUELLER P. + , GILABERT D. M.
Published: May 2016

PhIO, either alone or in conjunction with RuCl2(PPh3)3 is efficient for dehydrogenation of sec., activated amines such as (I), (III), (VII) to imines such as (II), (IV), or (VIII).
ChemInform Abstract: Products from Furans. Part 5. Synthesis of Oxygen‐Containing Isosteres of Sympathomimetic Amines via 6‐Hydroxy‐2H‐pyran‐3(6H)‐ones and Their cis‐Platinum(II) Complexes.
Authors: GEORGIADIS M. P. , HAROUTOUNIAN S. A. , BAILAR J. C. JUN.
Published: May 2016

The 6‐hydroxy‐2H‐pyran‐3(6H)‐ones (I) react with ethyl chloroformate (II) or methyl iodide (III) to give the O‐derivatives (IV) which are converted to the diamine dihydrochlorides (IX) as outlined in the reaction scheme.
ChemInform Abstract: Direct Access to Functionalized Allylsilanes: The Cerium(III)‐Mediated Grignard Reaction of Functionalized Esters and Lactones.
Authors: LEE T. V. , PORTER J. R. , RODEN F. S.
Published: May 2016

When trimethylsilylmethylmagnesium chloride (I) is treated with cerium(III) chloride and subsequently coupled with the ester acetals (II), the lactones (V) or the chloro acid esters (VII), the reactions proceed selectively, producing the allylic silanes (IV), (VI), and (VIII) respectively which are precursors for various ring closure reactions.
ChemInform Abstract: S‐Acetyl Thiophosphites: Synthesis, Isomerism, and Some Reactions.
Authors: AL'FONSOV V. A. , PUDOVIK D. A. , MUSIN R. Z. , NAZMUTDINOVA V. N. , EFREMOV YU. YA. , BATYEVA E. S. , PUDOVIK A. N.
Published: May 2016

The chlorophosphites (I) are coupled with the thioacetate (II) to give the S‐acetyl thiophosphites (III), together with small amounts of the O‐thioacetyl phosphites (IV).
ChemInform Abstract: The Behavior of Unsaturated Trimethylsilyl Ethers Toward the Hydrozirconating Agent Cp2Zr(H)Cl.
Authors: BUERGLEN B. + , UHLIG E.
Published: May 2016

The reaction of the title agent (II) with unbranched ω‐trimethylsiloxyalkenes is dependent on the length of the alkene.
ChemInform Abstract: Organocobalt B12 Models Bearing Axial Substituents on a Costa‐Type Equatorial Ligand: Structural, Rate, and Spectroscopic Consequences.
Authors: YOHANNES P. G. , BRESCIANI‐PAHOR N. , RANDACCIO L. , ZANGRANDO E. , MARZILLI L. G.
Published: May 2016

(I), prepared by a known method, reacts to give new organocobalt complexes such as (IVa) and (IVb).
ChemInform Abstract: Short Synthesis of C‐Aryl‐glucopyranosides of the Papulacandin Type.
Authors: SCHMIDT R. R. , FRICK W.
Published: May 2016

The alcohols (I) are converted to the ketones (VI) as shown.
ChemInform Abstract: A Simple Procedure for the Preparation of L‐Hexoses.
Authors: HAUSER F. M. , ELLENBERGER S. R. , ELLENBERGER W. P.
Published: May 2016

The D‐glucal (I) is cleaved to give the dihydroxyethylfuran (II) which is converted to the monobenzoate (V) under inversion of the configuration.
ChemInform Abstract: Stereospecific Synthesis of Ether and Thioether Phospholipids. The Use of L‐Glyceric Acid as a Chiral Phospholipid Precursor.
Authors: BHATIA S. K. , HAJDU J.
Published: May 2016

The isopropylidene L‐glycerate (I) is converted into the alkyltriphenylmethylglycerols (VI) by consecutive deprotection, protection, alkylation, and reduction.
ChemInform Abstract: Synthesis and Reactivity of Lithiated γ‐Functionalized Ketene Dithioacetals. Generation of a Flexible β‐Lithioacrylate Equivalent.
Authors: DZIADULEWICZ E. , HODGSON D. , GALLAGHER T.
Published: May 2016

Deprotonation of the title dithioacetal (III) yields the salt (IV) which undergoes regioselective reactions with the electrophiles (V), (X) and (XI).
ChemInform Abstract: Reaction of a Phosphorus‐Containing N‐Trifluoromethylfluoroamidine with N‐Nucleophiles.
Authors: MARTYNOV I. V. , AKSINENKO A. YU. , KORENCHENKO O. V. , CHEKHLOV A. N. , FOKIN E. A. , SOKOLOV V. B.
Published: May 2016

The title compound (III), prepared from the phosphonate (I) and the fluoroazapropene (II), reacts with ammonia (IV) to give the phosphonate (V).
ChemInform Abstract: Prototropic Phosphoryl ‐ Hydroxy Ylide Tautomerism. Part 6. Tautomeric Transformations in 5‐Atomic Ketophosphoryl Moieties.
Authors: ALADZHEVA I. M. , LEONT'EVA I. V. , PETROVSKII P. V. , MASTRYUKOVA T. A. , KABACHNIK M. I.
Published: May 2016

Reaction of the phosphinous chloride (I) with the phosphorane (II) and subsequent oxidation give the diphenylphosphinylacetyl‐substituted phosphorane (IIIa), oxidation of the phosphino compound (IV) produces the corresponding benzoyl derivative (IIIb).
ChemInform Abstract: Synthesis and Electrophilic Reactivity of Dicarbonyl(alkene)(arene)manganese Cations.
Authors: HALPIN W. A. , WILLIAMS J. C. JUN. , HANNA T. , SWEIGART D. A.
Published: May 2016

A good way to prepare dicarbonyl(alkene)(arene)‐Mn cations, e.g. (Va)‐(Ve), is the decarbonylation of the corresponding tricarbonyl(arene)‐Mn cation concomitant of the THF adduct formation and subsequent replacement of THF by alkenes such as demonstrated for the example (Va).
ChemInform Abstract: Sulfonamide Substituted Thiono Compounds as Ligands in Copper(II) Chelates and as Extractants for the Late 3d‐Element Ions.
Authors: DOERING M. + , UHLIG E. , UNDEUTSCH B. , GLOE K. , MUEHL P. +
Published: May 2016

The ligands (I)‐(IV) react differently with Cu(II).
ChemInform Abstract: Synthesis of Asymmetric Rh4+ 2 Complexes. X‐Ray Crystal Structure of Rh2(form)3(NO3)(PPh3)·0.5 CH2Cl2 and Rh2(form)3(NO3)(C5H5N) (form: N,N′‐Di‐p‐tolylformamidinate).
Authors: PIRAINO P. , BRUNO G. , TRESOLDI G. , LO SCHIAVO S. , NICOLO F.
Published: May 2016

The reaction of the paramagnetic Rh25+ complex (I) with an excess of the neutral ligands (II) leads via reductive elimination of one NO3 group to the formation of the asym.
ChemInform Abstract: Studies on a New Route to (.+‐.)‐Copaene and (.+‐.)‐Ylangene.
Authors: ARCHER D. A. , BROMIDGE S. M. , SAMMES P. G.
Published: May 2016

The bicyclic alcohol (VIII) and the ketone (XII) are prepared from the bromide (I) via the common intermediate (VI).
ChemInform Abstract: Effects of Powder Processing on the Green Compacts of High‐Purity BaTiO3.
Authors: HSIEH H.‐L. , FANG T.‐T.
Published: May 2016

Various green compacts of high purity BaTiO3 are prepared using two methods of powder processing.