bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Condensation Behaviour of Silanols. Part 2. Acid Catalyzed Condensation of Dimethylsilanediol and Siloxanediols in Toluene/Water.
Authors: RUTZ W. , LANGE D. , POPOWSKI E. , KELLING H.
Published: May 2016

The acid catalyzed condensa‐ " tion of the silanol (I) and its first condensation products (II) and of the siloxane (III) and (IV) with geminal OH groups is investigated by means of GLC and IR spectroscopy.
ChemInform Abstract: γ‐Trimethylsilylated Trimethylsilyl Crotonates: Preparation and Cross‐Aldol Reactions.
Authors: BELLASSOUED M. , GAUDEMAR M.
Published: May 2016

Under the conditions indicated, the unsaturated carboxylic acids (I) and (II) furnish exclusively E‐isomers of type (III).
ChemInform Abstract: Reaction of α,ω‐Dibromoalkanoic Acids with Hexamethyldisilazane‐Methanol.
Authors: VORONKOV M. G. , VVEDENSKII V. YU.
Published: May 2016

Bei der Reaktion der Dibromcarbonsäuren (I) mit Hexamethyldisilazan (II) wird neben der Derivatisierung der Carboxylgruppe in (I) zum Silylamid das w‐ständige Brom durch die Trimethylsilyloxygruppe substituiert.
ChemInform Abstract: Regiodirected Substitution of [2.2]Paracyclophane‐dienes and [2.2]Paracyclophanes through Tricarbonylchromium Complexation.
Authors: STOEBBE M. + , REISER O. , THIEMANN T. , DANIELS R. G. , DE MEIJERE A.
Published: May 2016

Aus dem Dihydroxy‐paracyclophandien (Ia) werden die beiden Hydrochinonether (Ib) und (Ic) hergestellt.
ChemInform Abstract: Protection of a 2,6‐Dialkylaniline: Synthesis of 4‐Dimethylmethoxysilyl‐2,6‐diethylaniline.
Authors: WEISENFELD R. B. , MILLER M. D.
Published: May 2016

Die im Titel genannte Verbindung (VI) wird aufder im Schema angegebenen Syntheseroute aus 2,6‐Diethylanilin (I) in einer Gesamtausbeute von 13% hergestellt.
ChemInform Abstract: Synthesis of Phenoxy Derivatives of Methanediphosphonic Acid.
Authors: LANG G. , HERRMANN E.
Published: May 2016

The title compounds (III), (IV), and (V) are prepared as shown by the Michaelis‐Arbusov reaction of iodomethane phosphonic acid esters (I) with phosphorus acid ester (II) or by the reaction of methane diphosphonic acid tetrachloride (VI) with sodium phenolate.
ChemInform Abstract: Chemistry of 1,2‐Thiaphosphole 2‐Sulfides. Part 3. Cycloaddition Reactions with Some Acetylenic Dienophiles and Generation of Phosphorin 1‐Sulfides.
Authors: TANAKA H. , MOTOKI S.
Published: May 2016

The title Compounds (I) react with (II) and (V) in refluxing benzene to yield the products I(III)/(IV) and (VI)/(VII), respectively.
ChemInform Abstract: Synthesis and Properties of (Ethylenebis(dithiocarbamato))diorganotin(IV) Complexes.
Authors: JUNG O.‐S. , SOHN Y. S. , IBERS J. A.
Published: May 2016

The reaction of diorganotindichlorides with the sodium salt (II), prepared as shown, followed by recrystallization, affords the products (III).
ChemInform Abstract: Stereoselectivity Induced by an Optically Active Cationic Cobalt(III) Complex Ion on the Outer‐Sphere Redox Reaction Between Racemic Binuclear Molybdenum(V) Anions and Hexachloroiridate(IV) in Water.
Authors: SASAKI Y. , MEGURO K. , SAITO K.
Published: May 2016

The titl‐e reaction between the Mo(V) compound (I) and [IrC16]2′ was investigated in aqueous solution (60°C, lh) in the presence of optically active Co(III) complexes (II)‐(VI).
ChemInform Abstract: Convenient Synthetic Route to [Fe2S2(SR)4]2‐ via Reaction of [Fe(SR)4]‐ with Sulfur.
Authors: HAN S. , CZERNUSZEWICZ R. S. , SPIRO T. G.
Published: May 2016

A Convenient synthetic route to dimeric Fe‐S Clusters such as (II) employing oxidized monomers (I) and elemental sulfur as starting materials is demonstrated.
ChemInform Abstract: Cooperative Dioxygen Binding to the Bi‐bridged Dimeric Porphyrinatocobalt(II) Complexes.
Authors: UEMORI Y. , NAKATSUBO A. , IMAI H. , NAKAGAWA S. , KYUNO E.
Published: May 2016

Two types of bi‐bridged dimeric porphyrinato cobalt(11) complexes "picketfence"type(IVb)and "strapped" type(VI11b)as a hemoglobin model, and partially the corresponding monomeric complexes have been prepared (scheme), (complex yields not given).
ChemInform Abstract: Copper(II) ‐ N2S2 Complexes of the Imines of 1‐Phenyl‐3‐formyl‐2(1H)‐pyridinethione.
Authors: CASELLA L. , GULLOTTI M. , VIGANO R.
Published: May 2016

The Schiff bases, which are readily formed by condensation of 1‐phenyl‐ 3‐formyl‐2(1H)‐pyridinethione and the appropriate amine or diamine on warming ethanolic solutions, reacted with an alcoholic solution of Cu(II) perchlorate at room temp. to yield the title complexes (I) or (II) (no yields given).
ChemInform Abstract: Synthesis of 3‐Substituted 7‐Hydroxy‐8‐arylazocoumarins.
Authors: LOKHANDE S. B. , RANGNEKAR D. W.
Published: May 2016

The hydroxycoumarins (I) are coupled with the aryldiazonium chlorides (II) to yield title compounds of type (III) (a series of substituents R′ to R4 is tabulated but the corresponding positions in the ring system are not indicated).
ChemInform Abstract: Silver Ion‐Assisted Solvolysis of 8,11‐Dibromolongibornane: Generation of Novel Skeletally Rearranged Olefinic Carbinols.
Authors: REDDY R. T. , NAYAK U. R.
Published: May 2016

The dibromide (II), a viable intermediate in the conversion of longifolene to culmorin, is synthesized from the acetate (I) and treated with AgClO4 in aqueous acetone.
ChemInform Abstract: Total Synthesis of Tetracyclic Triterpenes. Part 2. An Efficient Synthesis of 1,4‐Di‐ methoxy‐14α‐methyl‐11‐oxoestra‐1,3,5(10)‐triene.
Authors: CHENERA B. , VENKITACHALAM U. , WARD D. , REUSCH W.
Published: May 2016

The endo adduct (III) obtained from the Diels‐Alder reaction of (I) with (II) is converted to a mixture of (IV) and (V) [and minor amounts of (VIa)] upon cooling to room temp. of a hot HCl/ AcOH solution, whereas (VIa) and (V) are isolated after prolonged Standing.
ChemInform Abstract: Palladium‐Catalyzed Reaction of Tributyltin Hydride. Selective and Very Mild Deprotection of Allyl and Allyloxycarbonyl Derivatives of Amino Acids.
Authors: GUIBE F. , DANGLES O. , BALAVOINE G.
Published: May 2016

Bei der Behandlung mit Tributylzinnhydrid und Säuren in Gegenwart von Pd‐Katalysatoren erhält man aus dem Urethan (I) das freie Amin (III).
ChemInform Abstract: Synthesis of N3‐Fumaramoyl‐L‐2,3‐diaminopropanoic Acid Analogues, the Irreversible Inhibitors of Glucosamine Synthetase.
Authors: ANDRUSZKIEWICZ R. , CHMARA H. , MILEWSKI S. , BOROWSKI E.
Published: May 2016

Ausgehend von NZ‐tert.‐Butoxycarbonyl‐2,3‐diaminopropionsäure bzw. NZ‐tert.‐Butoxycarbonyl‐L‐2,4‐diaminobuttersäure werden die im Titel genannten Verbindungen (I) hergestellt und auf die Fä; higkeit zur Inhibierung von Glucosamin‐6‐phosphat‐Synthetase untersucht.
ChemInform Abstract: Synthetic Studies on Fumitremorgin. Part 1. Synthesis of (±)‐12‐Deoxy‐ 12‐epifumitremorgin B.
Authors: NAKATSUKA S. , MIYAZAKI H. , TERANISHI K. , GOTO T.
Published: May 2016

Uber die Zwischenstufen (II) bzw. (V) werden die Pentacyclen (VI), darunter die im Titel genannte Verbindung (VIa), hergestellt.
ChemInform Abstract: Synthesis of Biologically Active Fluorescent Phorbol Esters.
Authors: TRAN P. L. , BRIENNE M. J. , MALTHETE J. , LABOMBE L.
Published: May 2016

Die Phorbolester (Ib)‐(Ie) besitzen Interesse als Antitumor‐Mittel.
ChemInform Abstract: Trivalent‐Cation‐Substituted Calcium Oxyhydroxyapatite.
Authors: YAMASHITA K. , OWADA H. , NAKAGAWA H. , UMEGAKI T. , KANAZAWA T.
Published: May 2016

Yttrium substituted oxyhydroxyapatites, Ca,0‐xY"(PO4)6(OH)2‐"O", have been synthesized in a substi‐ ‐ tution reaction.
ChemInform Abstract: Phosphine Oxides and Related Compounds
Authors: WALKER B. J.
Published: May 2016

Review: (synthesis, structures and properties; 54 refs.
ChemInform Abstract: Organophosphorus Chemistry. Physical Methods
Authors: TEBBY J. C.
Published: May 2016

Review: (226 refs.
ChemInform Abstract: In situ Studies of Intercalation Reactions via Nuclear Quadrupole Interactions.
Authors: BUTZ T. , LERF A.
Published: May 2016

The nuclear interaction of radioactive mTa labels in 2 H ‐ TaSZ has been measured in situ during electrochemical intercalation of lithium, hydrated potassium, hydrogen and during thermal intercalation of In (at 670 K), Ga (850 K) and the eutectic In0‐"Ga0‐33 (300 K) using time differential perturbed angular correlation (TDPAC) on the 133‐482 keV γ‐y‐cascade in mTa (a brief introduction in this technique is given).
ChemInform Abstract: Kinetic Studies on the Perchlorate Oxidation of Aqua Mo3+ and Mo(III)2.
Authors: HILLS E. F. , SHARP C. , SYKES A. G.
Published: May 2016

The hexaaqua M0" ion and the aqua Mo(III)2 dimer are both oxidized by Cl04‐ in acidic solutions ([H+] = O.2‐O.7 M, I = 1.0 M) to give a Mo(V) aqua dimer (reactions A and B).
ChemInform Abstract: On the α‐LiFeO2 Type of Structure: NaPrO2 and NaTbO2.
Authors: HOPPE R. , KROESCHELL P. , WOLF R.
Published: May 2016

Transparent light‐green single crystals of (IV) and colourless single crystals of (VIII) are obtained by procedures shown in the scheme.
ChemInform Abstract: Intramolecular Diels‐Alder Reactions with 1,2,4‐Triazines and 1,2,4,5‐ Tetrazines to New Seven‐Ring‐Anellated Pyridines and Pyridazines.
Authors: SEITZ G. , DIETRICH S. , GOERGE L. + , RICHTER J.
Published: May 2016

Das Triazin (I) reagiert mit 6‐Amino‐1‐hexin (II) zum Substitutionsprodukt (III), das beim Erhitzen in Nitrobenzol unter intramolekularer Diels‐Alder‐Reaktion und Stickstoff‐Eliminierung zum Cyclisierungsprodukt (IV) mit anelliertem Siebenring führt.
ChemInform Abstract: 2‐Azonia‐Cope Rearrangement in N‐Acyliminium Cyclizations.
Authors: ENT H. , DE KONING H. , SPECKAMP W. N.
Published: May 2016

Die Butenyl‐hydroxypyrrolidinone (II) ergeben unter sauren Bedingungen die Indolizidine (V) und die Pyrrolizidine (VI).
ChemInform Abstract: Organic Syntheses via Transition Metal Complexes. Part 15. 3‐Amino‐2‐aroylindoles, 2‐Alkylideneindolenines, Pyrazino‐diindoles, and Azetidines via Template Condensation of Aryl Isocyanides with Carbene Complexes.
Authors: AUMANN R. , HEINEN H.
Published: May 2016

Treatment of (I) with Carbene complexes (II) gives the intermediates (III), reacting with further equivalents of(I) to afford the isolated products.
ChemInform Abstract: Cyclopropylidene Formation During Lithium Aluminum Hydride Reduction of Some Ethyl 2,2‐Dibromocyclopropanecarboxylates and Their Corresponding Acids.
Authors: JOERGENSEN E. , SYDNES L. K.
Published: May 2016

Die Reduktion der Dibromcyclopropan‐Derivate (I) mit Lithiumaluminiumhydrid führt zu den Produkten (II)‐(V), wobei deren Anteile von den Reaktionsbedingungen abhängen.
ChemInform Abstract: Novel 2,6‐Disubstituted Azulenes.
Authors: BALSCHUKAT D. , DEHMLOW E. V.
Published: May 2016

Substitution of the methoxy group in the azulene (I) is accomplished by reaction with Grignard reagents (II) to give the products (III); in the presence of air, however, the ethers (IV) are formed as by‐products.
ChemInform Abstract: A Synthetic Route to Potential Inhibitors of 5‐Lipoxygenase. Part 1.
Authors: FOLKERS G. , ROTH H. J.
Published: May 2016

Aus 3‐Cyano‐2‐amino‐4,5‐dimethyl‐pyrrol (I) erhält man mit den Aldehyden (II) die Schiffschen Basen (III).
ChemInform Abstract: Benzotri(imidazole) ‐ a Novel Ring System from Benzenehexamine.
Authors: KOHNE B. , PRAEFCKE K. , DERZ T. , GONDRO T. , FROLOW F.
Published: May 2016

The study of the structure of the bishydrate of (IIIa) (space group P2′3) exhibits an equilibrium of two tautomers.
ChemInform Abstract: Cyclization of N‐(2‐Vinyloxyethyl)‐3‐chloro‐2‐hydroxypropyl Carbamate.
Authors: NEDOLYA N. A. , RAKHMATULINA T. N. , RAPPOPORT L. YA. , GAVRILOVA O. P.
Published: May 2016

The amine (I) and the carbonate (II) react to yield the title compound (III).
ChemInform Abstract: Synthesis of Macrocyclic Dilactones by Means of Organotin Compounds: Application to Sulfur‐Containing Macrocycles (Sulfides, Disulfides, Sulfoxides). Selective Complexations of Ca2+.
Authors: PICARD C. , CAZAUX L. , TISNES P.
Published: May 2016

The macrocycles (I), (II) and (V)‐(IX) can be obtained by condensation of triphenyltin derivatives of diols with sulfur‐containing diacid fluorides.
ChemInform Abstract: Chemistry of Boron. Part 174. Isomerisation of 2,3‐Dihydro‐1,4,2,3‐dithiadiborine, 1,4,2,3‐Dithiadiborinane, and 2,3‐Dihydro‐1,4,2,3‐benzodithiaborine Derivatives.
Authors: NOETH H. + , POMMERENING H.
Published: May 2016

The reaction of (Ia) with (II) leads to (IVa) whereas with the less reactive (Ib) the products (IIIb) and (IVb) are obtained.
ChemInform Abstract: Synthetic Phytohormones. Part 11. Triorganylsilylmethyl Esters of Aryloxyacetic Acids.
Authors: VORONKOV M. G. , DOLMAA G. , GOLOVANOVA N. I. , ALBANOV A. I. , DUBINSKAYA E. I.
Published: May 2016

Die Aryloxyessigsäuresalze (I) werden mit den Chlormethylsilanen (II) zu den Silylmethylestern (III) umgesetzt.
ChemInform Abstract: Preparation, Stereochemistry, Reactions, and Properties of 3‐Silabicyclo[3.2.1]octanes.
Authors: CREMER S. E. , BLANKENSHIP C.
Published: May 2016

The dibromide (IV), prepared as shown, is a valuable starting material for introducing heteroatoms into the 3‐position of the bicyclic framework.
ChemInform Abstract: Studies on Tetrahydroisoquinolines. Part 27. A Synthesis of 3‐Hydroxyaporphines and 3‐Hydroxyhomoaporphines.
Authors: HARA H. , SHINOKI H. , KOMATSU T. , HOSHINO O. , UMEZAWA B.
Published: May 2016

Die ausgehend von den Amiden (I) hergestellten Tetrahydroisochinoline (II) werden durch Blei(IV)‐acetat zu den instabilen o‐Chinolacetaten (III) oxidiert, von denen (IIIa)‐(IIIe) in Gegenwart von Trifluoressigsäure zu den im Titel genannten Verbindungen (IV) cyclisiert werden.
ChemInform Abstract: Photoinduced Alkylthiolation of Halogenated Purine Nucleosides.
Authors: NAIR V. , YOUNG D. A.
Published: May 2016

Die Umsetzung der halogenierten Purin‐Nucleoside (I), deren Herstellung z.Tl. beschrieben wird, mit Dimethyldisulfid (II) unter UV‐Bestrahlung führt zu den Methylthiopurin‐Nucleosiden (III), die zu (IV) entacetyliert werden.
ChemInform Abstract: Purification of Wet‐Process Phosphoric Acid. X‐Ray Data of a New Phase, MgAlF5 . 1.5 H2O.
Authors: FEKI M. , CHAABOUNI M. , AYEDI H. F. , HEUGHEBAERT J.‐C. , BONEL G.
Published: May 2016

The novel title phase is obtained as a result of attempts to eliminate magnesium from wet‐process phosphoric acid.
ChemInform Abstract: Nature of the Cherry‐red Transient Formed During the Interaction of Osmium Tetroxide with Hydrogen Peroxide in alkaline solution (pH 9‐ 13).
Authors: CSANYI L. J. , GALBACS Z. M. , NAGY L. , MAREK N.
Published: May 2016

The transient has an absorption maximum at 530 nm and its concentration depends on the pH reaching a maximum at pH 10.5 ‐ 11. The transient is suggested to be either an Os(VIII)‐HO2‐ adduct or an Os(VII)O2‐ radical pair formed from the Os(VIII)‐HO intermediate by intramolecular one‐electron transfer.
ChemInform Abstract: Thermodynamic Stability of the Gaseous Molecules YIrC and YIrC2 by Knudsen Effusion Mass Spectrometry.
Authors: PELINO M. , GINGERICH K. A. , HAQUE R. , BENCIVENNI L.
Published: May 2016

The title molecules have been observed in the Y‐ Ir‐ Csystem and their partial pressures have been measured as a function of temperature.
ChemInform Abstract: Mechano‐Electrochemical Effects. Part 3. Electrochemical Potential Shifts Due to Plastic Deformation of Copper in Non‐aqueous Electrolytes.
Authors: GUTMANN V. , KANTNER W. , LINERT W.
Published: May 2016

Mechanical deformation of Cu in DMF, N,N‐dimethylthioformamide (DMTF) and MeCN causes shifts of the "current free" electrochemical potentials.
ChemInform Abstract: Photoelectrochemical and Chemical Corrosion Inhibition of n‐Type GaAs in Highly Concentrated Iodide Solutions.
Authors: VERNEY E. , MARTIN J. R. , JAFFREZIC‐RENAULT N. , CLECHET P.
Published: May 2016

The corrosion products formed under different conditions (pH O, pH 8, dark, illumination) in the 7 M I′‐so1ution have been analysed by neutron activation analyses.
ChemInform Abstract: Reactions of Chlorine with Liquid Metals. Part 4. Tin.
Authors: OLANDER D. R. , BALOOCH M. , SIEKHAUS W. J.
Published: May 2016

The C12‐Sn(l) reaction has been studied by modulated‐molecular‐beam MS and Auger electron spectrometry in the temp. range 350‐700 K. At constant pressure, the production rate of the sole product, SnCIZ, increases with temp. without a discontinuity at the melting point.
ChemInform Abstract: Kinetics of Reduction of Copper(II) by Sodium Tetrahydroborate.
Authors: DASGUPTA M. , MAHANTI M. K.
Published: May 2016

The Cu(II)‐NaBH4 reaction has been studied in buffered aqueous solution at 30°C. The rate of reaction is first order in the concentration of each of the reactants.
ChemInform Abstract: Chemiluminescence of Metastable Tin with Fluorine, Chlorine, and Nitrogen Trifluoride Utilizing a Beam‐Gas Configuration.
Authors: ROSANO W. J. , PARSON J. M.
Published: May 2016

The chemiluminescence (CL) of the reactions of Sn with F2, C12 and NF3 is identified as emission from the A22?" ‐X2l′l system of the Sn monohalide compounds.
ChemInform Abstract: Carbonate and Superoxide Ion‐Radicals as Intermediates in the Chemiluminescence of the Ferricyanide‐Hydrogen Peroxide Redox System.
Authors: WIERZCHOWSKI J. , SLAWINSKA D. , SLAWINSKI J.
Published: May 2016

The participation of 1O*2‐dimols in the CL of the Fe(CN)63‐/4‐‐ H2O2 system has been investigated and the role of O2‐·, OH· as well as carbonate contamination has been studied.
ChemInform Abstract: Two‐Step Laser Excitation Study on the Proton Transfer and Anion Formation in the Intramolecularly Hydrogen Bonded 7‐Hydroxy‐1‐indanone and the Related Compounds.
Authors: NISHIYA T. , YAMAUCHI S. , HIROTA N. , FUJIWARA Y. , ITOH M.
Published: May 2016

Fluorescence studies exhibit the formation of a metastable enol tautomer only from (I) in unpolar solvents (methylcyclohexane or THF).
ChemInform Abstract: Azadiboridine and Diazaboridine: Aromatic and Antiaromatic Three‐Membered‐ Ring Prototypes.
Authors: BUDZELAAR P. H. M. , VON RAGUE SCHLEYER P.
Published: May 2016

The heterocycles azadiboridine (I) and diazaboridine (II) are studied using ab initio M0 methods.
ChemInform Abstract: Symmetry Control of the Coloring Problem: The Electronic Structure of MB2C2 (M: Ca, La, ...).
Authors: BURDETT J. K. , CANADELL E. , HUGHBANKS T.
Published: May 2016

The correlation of symmetry with electronic stability of the coloring of an extended network with symmetry equivalent positions is studied by using the 482 net found in the title compounds as an example.
ChemInform Abstract: Elucidation of Medium Effects on Molecular Structure by Solid‐State and Solution 13C NMR.
Authors: LOCKHART T. P. , MANDERS W. F. , SCHLEMPER E. O. , ZUCKERMAN J. J.
Published: May 2016

Solid‐state and solution 13C NMR has been used to investigate medium effects on the molecular structures of the compounds (I) and (II).
ChemInform Abstract: Pronounced ′H and 31P NMR Spectral Changes on meso‐Tetrakis(N‐methylpyridinium‐4‐yl)porphyrin Binding to Poly[d(G‐C)] . Poly[d(G‐C)] and to Three Tetradecaoligodeoxyribonucleotides: Evidence for Symmetric, Selective Binding to 5′CG3′ Sequences.
Authors: MARZILLI L. G. , BANVILLE D. L. , ZON G. , WILSON W. D.
Published: May 2016

C)l‐ Polyld(G ‐ C)l and to Three Tetradecaoligodeoxyribonucleotides: Evidence for Symmetrie, Selective Binding to 5′CG3′ Sequences.
ChemInform Abstract: Crystal Structure of 2,2,4,4‐Tetrahydro‐2,2,2,4,4,4‐hexaphenyl‐1,3,2,4‐dioxadistibetane (Triphenylstibine Oxide Dimer) and Related Compounds.
Authors: BORDNER J. , DOAK G. O. , EVERETT T. S.
Published: May 2016

Crystals, obtained by the slow cooling of a xylene solution of the crystalline form of the compound (I), were shown to exist as a dimer which crystallizes in the space group PI with Z=2.
ChemInform Abstract: Role of Membrane Hydration and Membrane Fluidity in the Mechanism of Anion‐Induced Fusion of Didodecyldimethylammonium Bromide Vesicles.
Authors: RUPERT L. A. M. , ENGBERTS J. B. F. N. , HOEKSTRA D.
Published: May 2016

Using 8‐anilinonaphthalene‐1‐sulfonate or diphenylhexatriene as probes associated to the title vesicles, it is shown that binding of the dianions of dipicolinic acid increases the quantum yield and polarization of fluorescence.
ChemInform Abstract: Preparative Electrolysis of cis‐ and trans‐2‐(4‐Chlorophenyl)‐4,5‐tetramethylene‐ 4,5‐dihydro‐6H‐1,3‐oxazine.
Authors: RICHTER H. P. , PFLEGEL P. , FUELOEP F. + , BERNATH G.
Published: May 2016

Die elektrochemische Reduktion des trans‐Hexahydrobenzoxazins (I) liefert den Aminoalkohol (II), das cis‐Isomere (III) reagiert nicht unter den gleichen Bedingungen.
ChemInform Abstract: Origin of the Formation of Tin During the Electrolysis of Methylphenyltindichloride.
Authors: ENGEL M. , DEVAUD M.
Published: May 2016

Origin of the Formation of Tin During the Electrolysis of Methylphenyltindichloride.
ChemInform Abstract: Anodic Oxidation of 2‐Methoxyphenols in Acetonitrile.
Authors: YANILKIN V. V. , DUBENKO I. YU. , BABKIN V. A. , IVANOVA S. Z. , MEDVEDEV V. A.
Published: May 2016

Die elektrochemische Oxidation der 4‐ und 5‐substituierten Z‐Methoxyphenole (Ia)‐(Id) führt über Phenoxoniumionen zu den o‐Chinonderivaten (II).
ChemInform Abstract: MoO2(acac)2 Catalyzed Hetero Diels‐Alder Reaction of Benzyl Prop‐1‐en‐ l‐yl Ether with Methacrolein.
Authors: YAMAMOTO Y. , SUZUKI H. , MORO‐OKA Y.
Published: May 2016

Die Diels‐Alder‐Reaktion zwischen dem Olefin (I) und Methacrolein (II) verläuft in Gegenwart des im Titel genannten Molybdän‐Komplexes stereoselektiv.
ChemInform Abstract: Diels‐Alder Reaction of trans,trans‐1,4‐Diacetoxy‐1,3‐butadiene and 1,2‐Pentadien‐ 4‐one.
Authors: SANCHEZ‐OBREGON R. , BARRIOS H. , ORTIZ B. , YUSTE F.
Published: May 2016

Die Diels‐Alder‐Reaktion von 1,4‐Bis‐acetoxybutadien (I) mit Acetylallen (II) liefert unter Acetylverschiebung und Eliminierung das Acetoxymethylacetophenon (III).
ChemInform Abstract: Biphenylenes and Heterocyclic Analogues of Biphenylene. Part 5.
Authors: BECALSKI A. , KANOKTANAPORN S. , KILCOYNE J. P. , MACBRIDE J. A. H. , NANTKA‐NAMIRSKI P. , WRIGHT P. M.
Published: May 2016

Flash vacuum pyrolysis of the N‐heterocycles (I) or (IV) leads, in addition to the desired 2,7‐diazabiphenylene, to the formation of considerable amounts of the byproducts (III) or (V) (yields given in mg).
ChemInform Abstract: The Stobbe Condensation. Part 5. Reactions of Aryl Aldehydes with α,α‐Disubstituted Succinic Esters.
Authors: EL‐RAYYES N. R. , HOVAKEEMIAN G. H. , SAMARA A. F.
Published: May 2016

Stobbe condensation of the aldehydes (I) with the dimethyl succinic ester (II) gives the (E)‐mono‐esters (III).
ChemInform Abstract: α‐Acylaminoradical Annelation in the Diastereoselective Synthesis of 1‐ and 5‐Substituted Tetrahydropyrrolo[1,2‐c]oxazole and 1‐Substituted Pyrrolizidine Derivatives.
Authors: KANO S. , YUASA Y. , ASAMI K. , SHIBUYA S.
Published: May 2016

Radikalische Cyclisierung der aus den Oxazolidindionen (I) bzw. dem Imid (V) gemäß Schema hergestellten Phenylthioverbindungen (II) bzw. (VI) liefert die Heterobicyclen (III) bzw. (VII) als E/Z‐Gemisch, die zu den Exomethylenverbindungen (IV) bzw. (VIII) desilyliert werden.
ChemInform Abstract: The Phospha‐Cope Rearrangement of 3‐Aryl‐3λ‐phospha‐1,5‐hexadiene Derivatives.
Authors: KAWASHIMA T. , MIKI Y. , TOMITA T. , INAMOTO N.
Published: May 2016

Die Aryl‐vinyl‐allylphosphinoxide, ‐sulfide und ‐selenide (I), deren Herstellung beschrieben ist, unterliegen beim Erhitzen in siedendem Hexanol einer Hetero‐Cope‐Umlagerung zu den Verbindungen (II), die mit dem Lösungsmittel zu den isolierbaren Phosphinaten (III) reagieren.
ChemInform Abstract: Photolysis of Cyclic Arylvinyl Halides. Formation of 1,2‐Benzo‐1,3‐cycloalkadienyl Cations and Their Rearrangements.
Authors: KITAMURA T. , MUTA T. , TAHARA T. , KOBAYASHI S. , TANIGUCHI H.
Published: May 2016

Die photolytisch aus den cyclischen Vinylhalogeniden (I) bzw. (VII) generierten Vinylkationen lagern sich in Abhängigkeit von der Ringgröße zu den im Schema angeführten Produkten um.
ChemInform Abstract: Photolysis of Azidopyrimidines in the Presence of Molecular Oxygen and Formation of Nitropyrimidines.
Authors: MAMAEV V. P. , ANDREEVA T. A. , KRIVOPALOV V. P. , EROSHKIN V. I.
Published: May 2016

Die Photolyse der Azidopyrimidine (I) in verdünnter Lösung unter Durchleiten von Luft ergibt die Nitropyrimidine (II).
ChemInform Abstract: De‐Mayo Reactions with Allene. A Short Path to the Bicyclo[5.3.1]undecane System of Taxanes.
Authors: KACZMAREK R. , BLECHERT S.
Published: May 2016

Die aus dem Alkohol (Ia) erhaltenen Ester (Ib) and (Ic) liefern bei der Photolyse mit Allen die Addukte (IIb) und (IIc), die zu (IIa) hydrolysiert werden können.
ChemInform Abstract: Allylstannane Photoadditions to Iminium Salts. Efficiencies of Sequential Electron Transfer Destannation versus Desilylation Pathways.
Authors: BORG R. M. , MARIANO P. S.
Published: May 2016

Das Iminiumsalz (I) reagiert mit den Allyl‐metallverbindungen (II) bei der Photolyse in Methanol zu dem 2‐Allyl‐N‐methyl‐pyrrolidin (III).
ChemInform Abstract: A Convenient "One‐Pot" Synthesis of Epoxy Alcohols via Photooxygenation of Olefins in the Presence of Titanium(IV) Catalyst.
Authors: ADAM W. , GRIESBECK A. , STAAB E.
Published: May 2016

Die Olefine (I) werden mit Singulett‐Sauerstoff in Gegenwart von Titanalkoholaten (II) zu den diastereomeren Epoxy‐alkoholen (III) oxidiert.
ChemInform Abstract: Gas‐Phase Reactivity of the HCO Radical with Unsaturated Hydrocarbons: An Experimental and Theoretical Study.
Authors: LESCLAUX R. , ROUSSEL P. , VEYRET B. , POUCHAN C.
Published: May 2016

The title radical (II) forms products with the unsaturated hydrocarbons (III) and (VI) in the range 350‐5 l0 Kvia an addition mechanism.
ChemInform Abstract: Samarium Diiodide. An Efficient Catalyst Precursor in Some Oppenauer Oxidations.
Authors: COLLIN J. , NAMY J.‐L. , KAGAN H. B.
Published: May 2016

Die Oppenauer‐Oxidation der sekundären Alkohole (I) mit Butanon (II) unter Katalyse durch Smlz liefert die Ketone (III).
ChemInform Abstract: Reduction of Oximes with Hydrosilane/H+ Reagent.
Authors: FUJITA M. , OISHI H. , HIYAMA T.
Published: May 2016

Die Oximether (I) werden durch Dimethylphenylsilan (II) in Trifluoressigsäure zu den Hydroxylaminen (III) reduziert.
ChemInform Abstract: Nitric Acid on Silica Gel: A Useful Nitrating Reagent for Activated Aromatic Compounds.
Authors: TAPIA R. , TORRES G. , VALDERRAMA J. A.
Published: May 2016

Auf Kieselgel‐absorbierte Salpetersäure wird zur Oxidation der Phenole (I) bzw. Phenolether (IV) herangezogen.
ChemInform Abstract: Selective Demethylations in 2,3,4‐Trimethoxyaryl Carbonyl Compounds.
Authors: KAISALO L. , LATVALA A. , HASE T.
Published: May 2016

Die Spaltung von Methylphenolethern mit Bortrihalogeniden wird beschrieben.
ChemInform Abstract: Cobalt Carbonyl‐Catalyzed Double Carbonylation of o‐Halogenated Benzoic Acids Under Photostimulation.
Authors: KASHIMURA T. , KUDO K. , MORI S. , SUGITA N.
Published: May 2016

Die durch Dicobaltoctacarbonyl katalysierte photochemische Carbonylierung der o‐Halogenbenzoesäuren (I) oder der o‐Dihalogenbenzole (II), die zu Gemischen aus Benzoesäure (III), Phthalsäure (IV) und Phthalonsäure (V) führt, wird untersucht.
ChemInform Abstract: Reduction‐Alkylation with Organocopper(I) Reagents‐Alkyl Halides: Highly Regioselective α‐Alkylation of γ‐Acetoxy‐α,β‐enoates with Lithium Dibutylcuprate‐Alkyl Halides and Difference in the Reactivity of Electron‐Deficient Olefins with Organocopper(I)‐Lewis Acid Reagents.
Authors: IBUKA T. , AOYAGI T. , YAMAMOTO Y.
Published: May 2016

Die im Titel genannten (Juli‐ungesättigten Ester (II), (VI) oder (VIII) liefern bei der Umsetzung mit Lithium‐dibutylcuprat (Ia) und nachfolgender Reaktion mit den Alkylhalogeniden (III) nahezu ausschließlich die ′ α‐alkylierten β,y‐ungesättigten Ester (IV), (VII) oder (IX).
ChemInform Abstract: 3‐Stannyl‐1‐silyloxycyclohex‐1‐enes: Synthetic Equivalents for Ketone α,β‐Dianions.
Authors: CHENARD B. L.
Published: May 2016

Aus den Trialkylstannyl‐cyclohexan‐silylenolethern (I) erhält man nach Metallierung und Umsetzung mit den aromatischen Aldehyden (II) die isomeren Addukte (III) bzw. (IV).
ChemInform Abstract: A Convenient Synthesis of the Important Retinoid Synthon Ethyl‐trans‐3‐ formyl‐ 2‐butenoate.
Authors: CURLEY R. W. JUN. , TICORAS C. J.
Published: May 2016

Triethylphosphonoacetat (I) reagiert in Gegenwart von NaH mit dem α‐Ketoacetal (II) zu einem Gemisch der isomeren Olefine (III).
ChemInform Abstract: Highly Stereoselective Alkylation Reaction of Ester Enolates Generated from δ‐Hydroxy Carboxylic Acid Esters.
Authors: NARASAKA K. , UKAJI Y.
Published: May 2016

Die aus den Hydroxyestern (I) durch Lithiierung entstehenden Dianionen werden stereoselektiv in die entsprechenden α‐alkylierten Ester (II) und (III) übergeführt.
ChemInform Abstract: Synthesis of Tricyclo(5.2.1.04,10)decane‐2,5,8‐trione from Deslongchamps′s Diketone.
Authors: ALMANSA C. , CARCELLER E. , MOYANO A. , SERRATOSA F.
Published: May 2016

The Synthesis of the title compound (XII), which starts from the Deslongchamps ′s diketone (I) is described.
ChemInform Abstract: Nucleophilic Inversions of a Chiral Alcohol Mediated by Zinc Salts.
Authors: ROLLIN P.
Published: May 2016

(‐)‐Menthol(I) reagiert mit den Zinksalzen (II) in Gegenwart von Triphenylphosphin (III) und der Azoverbindung (IV) zu den anomeren Derivaten (V) in guter Ausbeute.
ChemInform Abstract: Synthesis of 1,4‐Bis(3‐oxo‐1‐a1kenyl)benzene and the Growth of Tetrahymena pyriformis.
Authors: NYATHI C. B. , BENHURA M. A. , NYANZUNDA T.
Published: May 2016

Die Kondensation von Terephthaldialdehyd (I) mit den Methylalkylketonen (II) liefert die Bis‐enone(11I), die aufihre cytostatische Wirkung geprüft werden.
ChemInform Abstract: Synthesis of 2‐[[3‐Hydroxy‐5‐[3‐(4‐hydroxyphenyl)‐1‐oxo‐2‐propenyl]‐3‐ methyl‐ 2,4,6‐trioxocyclohex‐1‐yl]methylene]‐4‐hydroxy‐6‐[3‐(4‐hydroxyphenyl)‐1‐oxo‐2‐propenyl]‐4‐methyl‐1,3,5‐trioxocyclohexane, an Analog of Carthamin.
Authors: OBARA H. , NAMAI S. , MACHIDA Y.
Published: May 2016

Eine einfache Synthese des Carthamin‐Analogons (V), ausgehend vom Cyclohexantrionderivat (I), wird beschrieben.
ChemInform Abstract: Reactions of Anthrone with Nontransition and Transition Metal Amides and Thiolates.
Authors: TAMANO M. , KOKETSU J.
Published: May 2016

Anthron (I) wird mit Amiden bzw. Thiolaten von Metallen der 4. und 5. Haupt‐ und Nebengruppen umgesetzt.
ChemInform Abstract: Regioselectivity and Stereoselectivity in Olefin Epoxidation by the NaOCl/Mn(Porphyrin)X System.
Authors: DE CARVALHO M.‐E. , MEUNIER B.
Published: May 2016

Wie in dem Formelschema skizziert, liefern die Terpene (I), (IV), (VI) und (VIII) sowie die Steroide (X) und (XII) mit NaOCl unter Katalyse durch Mn‐Porphyrin (II) die entsprechenden Epoxide (III), (V), (VII) und (IX) bzw. (XI) und (XIII).
ChemInform Abstract: Synthesis of Morphin Analogues with the Ring Structure of Tetrahydrodibenzofuran.
Authors: LABIDALLE S. , MIN Z. Y. , REYNET A. , THAL C. , MOSKOWITZ H.
Published: May 2016

Aus den Aryl‐cyclohexenolen (I) erhält man wie im Formelschema angegeben die Morphin‐Analoga (VII) bzw. (VIII), deren pharmakologische Wirkung untersucht werden soll.
ChemInform Abstract: A Convenient Synthesis of 3‐Alkylthiophenes.
Authors: PHAM VAN CHIEM PHAM VAN CHIEM , MARK H. B. JUN. , ZIMMER H.
Published: May 2016

3‐Brom‐thiophen (I) wird mit den Grignard‐Verbindungen (II) in Gegenwart des Ni‐Katalysators (III) zu den 3‐substituierten Thiophenen (IV) umgesetzt.
ChemInform Abstract: Direct Acting, Highly Mutagenic, α‐Hydroxy N‐Nitrosamines from 4‐Chloroindoles.
Authors: BUECHI G. + , LEE G. C. M. , YANG D. , TANNENBAUM S. R.
Published: May 2016

The indole derivative (I), a constituent of fava beans, produces on nitrosation under simulated gastric conditions the oxime (II).
ChemInform Abstract: 1,3,5,7‐Tetrathia‐s‐indacene‐2,6‐dithiones as Potential Building Block for "Polyfulvalenes".
Authors: WOLF P. , MUELLEN K. + , PRZYBYLSKI M.
Published: May 2016

Die 1,2,4,5‐Tetrakis‐(isopropylthio)‐benzole (I) liefern bei reduktiver Dealkylierung l,2,4,5‐Tetramercaptobenzole, die sich mit Schwefelkohlenstoff in die 1,2,4,5‐Benzo‐bis‐(1,3‐dithiol‐2‐thione) (II) überführen lassen.
ChemInform Abstract: Synthesis and X‐Ray Study of 3‐Phenyl‐5‐phenoxymethyl‐2‐oxazolidone.
Authors: GRIDUNOVA G. V. , FAINLEIB A. M. , SHKLOVER V. E. , STRUCHKOV YU. T. , FRENKEL' TS. M. , PANKRATOV V. A.
Published: May 2016

Phenyl‐ isocyanat (I) reagiert mit Phenylglycidylether (II) zu der im Titel genannten Verbindung (III), deren Struktur durch Röntgendaten abgesichert wird.
ChemInform Abstract: Conversion of Tetrabenzobis(thiopyranylidene)ethene to a New Donor Containing a Pentalene Skeleton, Dibenzodithiaacenaphthacenaphthylene, and Their Charge Transfer Complexes.
Authors: NAKASUJI K. , TAKATOH K. , KOTANI T. , MURATA I. , YAMOCHI H. , SAITO G. , ENOKI T. , INOKUCHI H.
Published: May 2016

Das Kumulen (I) sowie der daraus hergestellte Polycyclus (II) sind gute Elektronendonatoren und ergeben mit verschiedenen Akzeptoren wie dem Tetracyanochinodimethan (III) und DDQ (IV) l :lCharge‐Transfer‐Komplexe, deren physikalische Eigenschaften bestimmt werden.
ChemInform Abstract: Synthesis of New Multidentate Ligands. Carbonyl Addition Reactions of Di‐2‐pyridyl Ketone.
Authors: ORTEGO J. D. , MEYNIG J.
Published: May 2016

Under BF3 catalysis the di‐2‐pyridyl ketone (I) reacts with the diamino compounds (II) to form the Schiff bases (III).
ChemInform Abstract: Preparation of New Nitrogen‐Bridged Heterocycles. Part 13. Syntheses of Some Tricyclic and Tetracyclic Indolizine Derivatives with Antiallergic Reactivity.
Authors: KAKEHI A. , ITO S. , YOTSUYA T.
Published: May 2016

Das aus dem Pyridinium‐Salz (I) und dem Vinylether (IIa) hergestellte Dihydropyridin (IIIa) cyclisiert beim Erhitzen mit Acetanhydrid zum Indolizin‐Derivat (IV).
ChemInform Abstract: Investigations into a By‐product from the Reaction of 2‐Amino‐5‐methylbenzoic Acid with Ammonium Thiocyanate.
Authors: KENNEWELL P. D. , SCROWSTON R. M. , SHENOUDA I. G. , TULLY W. R. , WESTWOOD R.
Published: May 2016

The by‐product in the reaction between the benzoic acid (III) and ammonium thiocyanate (V) is shown to be the quinazolone (IV) and not, as previously assumed, the dibenzodiazocine (II).
ChemInform Abstract: 2,4,4‐Tris(trifluoromethyl)‐1‐ethyl‐1,4‐dihydroquinazoline.
Authors: CHKANIKOV N. D. , VERSHININ V. L. , KOLOMIETS A. F. , FOKIN A. V.
Published: May 2016

Hexafluoracetontrifluoracetylimin (I) reagiert mit N‐Ethylanilin (II) zu der im Titel genannten Verbindung (III).
ChemInform Abstract: Solid Liquid Phase Transfer Catalysis: Alkylation of Theophylline.
Authors: BRAM G. , BENSAID Y. , COMBET‐FARNOUX C. , GALONS H. , MIOCQUE M.
Published: May 2016

Das Theophyllin (I) läßt sich mit den Alkylhalogeniden (II) unter Phasen‐Transfer‐Katalyse zu den Alkyltheophyllinen (III) alkylieren.
ChemInform Abstract: Dimerization of Borirene to 1,4‐Diboracyclohexadiene. Structures and Stabilities of (CH)4(BH)2 Molecules.
Authors: BUDZELAAR P. H. M. , VAN DER KERK S. M. , KROGH‐JESPERSEN K. , VON RAGUE SCHLEYER P.
Published: May 2016

Possible pathways for the dimerization of borirene (I) to (II) and to the more stable isomer (III) are studied by semiempirical and ab initio M0 theory.
ChemInform Abstract: Synthesis of β‐Substituted‐α‐[(Trimethylsilyl)oxy]acrylonitriles from α,β‐Unsaturated Aldehydes.
Authors: KREPSKI L. R. , JENSEN K. M. , HEILMANN S. M. , RASMUSSEN J. K. , LYNCH L. E.
Published: May 2016

Aus den Aldehyden (I) erhält man mit Trimethylsilylcyanid die Cyanhydrin‐ether (II); durch Einwirkung von DBU wird die Doppelbindung verlagert, es entstehen die Isomere (III).
ChemInform Abstract: 29Si NMR Observation of an Unprecedented Rearrangement in Tetraaryldisilenes.
Authors: YOKELSON H. B. , MAXKA J. , SIEGEL D. A. , WEST R.
Published: May 2016

Pure disilenes (II) and (IV) are generated photochemically by irradiation of their trisilane precursors and are examined by 295i NMR in benzene.
ChemInform Abstract: Formation of 1,2‐Disubstituted Cyclopropene‐3,3‐dicarboxylic Acid and Silylalkynylmalonic Acid Diesters in the Reaction of Dimethyldiazomalonate with Silylacetylenes in the Presence of CuSO4.
Authors: DOLGII I. E. , OKONNISHNIKOVA G. P. , IGNATENKO A. V.
Published: May 2016

Unter Kupferkatalyse reagiert der Diazomalonester (II) mit den Alkinen (I) zu den Cyclopropendicarbonsäureestern (III) neben einer Reihe von Nebenprodukten wie (IV) und (V).
ChemInform Abstract: Synthon for the Silicon‐Silicon Triple Bond.
Authors: SEKIGUCHI A. , ZIGLER S. S. , WEST R. , MICHL J.
Published: May 2016

Evidence is presented for a thermolysis reaction providing the synthetic equivalent of dimethyldisilyne MeSi E SeMe.
ChemInform Abstract: Organophosphorus Chemistry. Part 14. Friedel‐Crafts Preparation of Triarylphosphine Sulfides from Arenes with Phosphorus Pentasulfide.
Authors: OLAH G. A. , BERRIER A. , OHANNESIAN L.
Published: May 2016

Die Aromaten (I) liefern mit P4S10 unter AlCl3‐Katalyse die Triarylphosphansul?de (II), die sich mit HMPA (III), Triethylphosphit (IV) oder katalytisch mit H2 zu den Triarylphosphanen (V) entschwefeln lassen.
ChemInform Abstract: Synthesis and Autoaddition Behaviour of Iminophosphanes of the Type C‐P = NC(Si).
Authors: NIECKE E. , LYSEK M. , SYMALLA E.
Published: May 2016

Aminochlorphosphane der allgemeinen Formel (I) werden in die instabilen Iminophosphane (II) umgewandelt, die zumeist in die Cyclodimeren (III) übergehen.
ChemInform Abstract: The Reaction of 1,4‐Diketones with Phenylphosphine.
Authors: VYSOTSKII V. I. , ROSTOBSKAYA M. F.
Published: May 2016

Die 1,4‐Diketone (I) reagieren mit Phenylphosphin (II) zu den als Isomerengemische vorliegenden l‐Oxo‐ 1‐phenylphospholanen (III).
ChemInform Abstract: First Synthesis of Oxoselenonium Salts.
Authors: KOBAYASHI M. , MIHOYA T.
Published: May 2016

Die bisher nicht bekannten Triaryl‐oxoselenonium‐Salze (II) werden erstmals durch Oxidation der Selenonium‐Salze (I) mit m‐Chlorperbenzoesäure in alkalischem Medium hergestellt.
ChemInform Abstract: Syntheses and Properties of Binaphtho[1,8‐de]‐1,3‐dithiin‐2‐ylidene and Its Selenium Analogue.
Authors: YUI K. , ASO Y. , OTSUBO T. , OGURA F.
Published: May 2016

Die Synthesen des Tetrathiafulvalen‐Analogons (VII) und der entsprechenden Selenverbindung (X) werden, ausgehend vom 1,8‐Dichlornaphthalin (I), beschrieben.
ChemInform Abstract: Group IIB (12) Metal Alkyls: The Synthesis of Trifluorosilyl and Trifluoromethyl Alkyls of Cadmium and Zinc.
Authors: GUERRA M. A. , BIERSCHENK T. R. , LAGOW R. J.
Published: May 2016

Alow temp. radio frequency glow discharge or plasma of hexafluoroethane and hexafluorodisilane is used to generate the trifluoromethyl and trifluorosilyl radicals, respectively.
ChemInform Abstract: Kinetics of Disproportionation of Tricarbonylbis(phosphine)iron(I) Cation Radicals Probed by Double Potential Step Chronocoulometry.
Authors: THERIEN M. J. , NI C.‐L. , ANSON F. C. , OSTERYOUNG J. G. , TROGLER W. C.
Published: May 2016

CO Substitution in the radicals (I) proceeds solely by a second‐order process that is first order in both the metal radical and the entering pyridine nucleophile (II).
ChemInform Abstract: Hydroformylation of Vinylferrocene with Rhodium and Platinum Catalysts.
Authors: KOLLAR L. , FLORIS B. , PINO P.
Published: May 2016

Die Hydroformylierung von Vinylferrocen (I) in Hexan mit Kohlenmonoxid/‐Wasserstoff (l :l) an Rhodiumkatalysatoren liefert in hoher Regioselektivität überwiegend 2‐Ferrocenylpropionaldehyd (II) neben 3‐Ferrocenylpropionaldehyd (III).
ChemInform Abstract: Transient Photoligation Behavior of Nickel Protoporphyrin Reconstituted Myoglobin and Hemoglobin.
Authors: FINDSEN E. W. , ALSTON K. , SHELNUTT J. A. , ONDRIAS M. R.
Published: May 2016

It is demonstrated that transient resonance Raman scattering can be used to probe the molecular details of the excited state photodynamics of the nickel protoporphyrin IX complex in a variety of local environments.
ChemInform Abstract: Generation, Spectroscopic Detection, and Chemical Reactivity of Fluorinated Vinylcopper Reagents.
Authors: BURTON D. J. , HANSEN S. W.
Published: May 2016

The preparation of the vinylcadmium or ‐zinc precursors (II) proceeds stereospecifically, and the metathesis with Cu(I) halogenides occurs with retention of configuration.
ChemInform Abstract: Hydride Transfer in the Oxidation of Formate Ion by [(bpy)2(py)Ru(O)]2+ .
Authors: ROECKER L. , MEYER T. J.
Published: May 2016

The ki‐ netics of Oxidation of formic acid/formate ion by the title Ru(IV)‐oxo‐complex to give CO2 have been studied as a function of pH and temp., and the kinetics of oxidation of HCO; by the analogous Ru(III)‐hydroxo‐complex have been studied at pH 7. Rate constants, activation parameters and kinetic isotope effects are given.
ChemInform Abstract: Cyclometallated Rhodium(III) Complexes with Diimine Ligands.
Authors: MAEDER U. + , JENNY T. , VON ZELEWSKY A.
Published: May 2016

The synthesis of the title complex (II) as a representative example of a series of related species containing two cyclometallating ligands and one diimine is described (yield given in g).
ChemInform Abstract: Formation of Fe‐Os, Fe‐Ru, and Fe‐Co Bimetallic Particles by Thermal Decomposition of Heteropolynuclear Clusters Supported on a Partially Dehydroxylated Magnesia.
Authors: CHOPLIN A. , HUANG L. , THEOLIER A. , GALLEZOT P. , BASSET J. M. , SIRIWARDANE U. , SHORE S. G. , MATHIEU R.
Published: May 2016

With H2FeM3(CO),3 (M: Os, Ru) and HFeCo3(CO),2 supported on a partially hydroxylated magnesia, it is possible to obtain, after H2 treatment at 400°C very small bimetallic particles, having the same bulk composition as that of the starting heteropolynuclear precursor Cluster.
ChemInform Abstract: (Trifluoromethyl)cyclopentadienide: A Powerful Electron‐Withdrawing Ligand for Transition‐Metal Complexes.
Authors: GASSMAN P. G. , WINTER C. H.
Published: May 2016

Starting from (II), prepared as shown, the reactions with FeClz and derivatives of Ti, Mn, Rh, and Ir yield the complexes (III)‐(VI).
ChemInform Abstract: Photo‐Induced Cross‐Coupling Reaction between Porphyrin and Quinone.
Authors: MARUYAMA K. , FURUTA H. , OSUKA A.
Published: May 2016

Bei der photoinduzierten Umsetzung des phenolischen Porphyrinderivates (I) mit p‐Benzochinon wird das Hydrochinonderivat (II) erhalten, das weiter in das Benzochinonderivat (III) umgewandelt wird.
ChemInform Abstract: Terpenes and Terpene Derivatives. Part 19. Selective Epoxidation of rac‐β‐Curcumene.
Authors: WEYERSTAHL P. , MARSCHALL‐WEYERSTAHL H. , SCHOLZ S.
Published: May 2016

Epoxidation of the title compound (I) with three electronically equivalent double bonds proceeds with low selectivity to yield a 4:1 25:1 mixture of the epoxides (II)‐(V) along with a variety of further products.
ChemInform Abstract: Peptide‐Bond Formation with C‐Terminal α,α‐Disubstituted α‐Amino Acids via Intermediate Oxazol‐5(4H)‐ones.
Authors: WIPF P. , HEIMGARTNER H.
Published: May 2016

The main problem in the formation of peptide bonds between dipeptides (I) containing a C‐terminal a,a‐disubstituted α‐amino acid and the aminobenzoate (II) [‐ (IV)] is the undesired epimerization of the nonterminal amino acid; this can be completely suppressed by CSA‐catalysis of the reaction using DCC as coupling reagent.
ChemInform Abstract: Synthesis of Nα‐(Tosylprolylglycyl)‐ and Na‐(Tosylglycylprolyl)‐4‐amidinophenylalanine Amides as Inhibitors of Thrombin.
Authors: VOIGT B. , WAGNER G.
Published: May 2016

Die tosylierten Dipeptide (I) werden mit 4‐Cyanophenylalanin (II) zu den Tripeptiden (III) gekuppelt.
ChemInform Abstract: Synthesis of 3‐Deoxy‐3‐(hydroxyamino)furanose Acetals.
Authors: TRONCHET J. M. J. , HABASHI F. , FASEL J.‐P. , ZOSIMO‐LANDOLFO G. , BARBALAT‐REY F. , MORET G.
Published: May 2016

The reduction of the oximes (I) (obtained from the respective ketones) under acidic conditions constitutes a good synthetic pathway to the deoxy(hydroxyamino)sugar derivatives (IIa)‐(IIc); subsequent debenzoylation of (II) provides (IId).
ChemInform Abstract: Deoxynitro Sugars. Part 13. Preparation of Unprotected and Partially Protected 1‐Deoxy‐1‐nitro‐D‐aldoses and Some Representative X‐Ray Structure Analyses.
Authors: BEER D. , BIERI J. H. , MACHER I. , PREWO R. , VASELLA A.
Published: May 2016

The hydroxylamine (II) which equilibrates with the oxime (I) (to an extent depending on the solvent used) is converted to the nitrone (IV) from which the nitro compound (V) is obtained by ozonolysis.
ChemInform Abstract: Deoxynitro Sugars. Part 14. 1‐C‐Nitroglycals. Preparation and Reaction with Some Nitrogen Nucleophiles.
Authors: BAUMBERGER F. , BEER D. , CHRISTEN M. , PREWO R. , VASELLA A.
Published: May 2016

The acetylation of the nitro sugars (I) is accompanied by spontaneous β‐elimination to give the nitroglucals (IIa) or (IIb), while acetylation of nitro sugars, e.g. (IVa) and (VIa), gives only the acetates (IVb) or (VIb).
ChemInform Abstract: Deoxynitro Sugars. Part 15. Synthesis of N‐Acetylneuraminic Acid and N‐Acetyl‐ 4‐epineuraminic Acid.
Authors: BAUMBERGER F. , VASELLA A.
Published: May 2016

Michael addition of the nitro sugars (I) to the ester (II) and subsequent carefully controlled hydrolytic removal of the N02 group give the tautomers (IIIa)+(IVa) or (IIIb) + (IVb), respectively.
ChemInform Abstract: Liquid Crystals from Carbohydrates. Part 2. Mesogenic 1‐C‐n‐Alkyl‐2,5‐anhydro‐1‐desoxy‐L‐iditoles.
Authors: KOELL P. + , OELTING M.
Published: May 2016

Die im Titel genannten Kohlenhydrate (IV) werden aus dem Tosylat (I) über die Anhydroverbindung (II) durch Umsetzung mit den aus (III) und Butyllithium gebildeten Alkinyllithiumverbindungen, Acetalspaltung und nachfolgende katalytische Hydrierung erhalten.
ChemInform Abstract: Chemical Synthesis of Oligonucleotides Containing N6‐Methyladenine Residues in the GATC Site.
Authors: GUY A. , MOLKO D. , WAGREZ L. , TEOULE R.
Published: May 2016

To investigate by NMR the effects of adenine methylation, a set of oligodeoxynucleotides (I)‐(V) has been synthesized by phosphotriester or phosphoramidite procedures on silicagel supportes using the units (XIIIa) (for phosphotriester approach) and (XIIIb) (f or phosphoramidite approach).
ChemInform Abstract: Photoreaction of 5,7‐Dimethoxycoumarin with Adenosine.
Authors: SHIM S. C. , SHIM H. K. , CHO T. H.
Published: May 2016

Bei der Photoreaktion von 5,7‐Dimethoxycumarin (I) mit Adenosin (II) wird ein Additionsprodukt erhalten, dem aufgrund spektroskopischer Daten die Struktur (III) zugeordnet wird.
ChemInform Abstract: Amino Acids and Peptides. Part 196. 4‐Phenylalanine Analogues of Vasopressin: Synthesis, Pharmacological and Chiroptical Properties.
Authors: BRTNIK F. , BARTH T. , MALON P. , FRIC I. , KLUSA V. E. , JOST K.
Published: May 2016

The synthesis of the title compounds (III) has been carried out Starting from the hexapeptide derivative (Ia) which is converted to the decapeptide amides (II) using conventional fragment coupling and deblocking procedures.
ChemInform Abstract: (+)‐11,11′‐Di‐O‐methylelaiophylidene. Preparation from Elaiophylin and Total Synthesis from (R)‐3‐Hydroxybutyrate and (S)‐Malate.
Authors: SEEBACH D. , CHOW H.‐F. , JACKSON R. F. W. , SUTTER M. A. , THAISRIVONGS S. , ZIMMERMANN J.
Published: May 2016

The macrodiolide antibiotic elaiophylin (I), on treatment with TosOH in MeOH undergoes cleavage of the deoxyfucose groups (DOF) and Substitution of the OH groups at C‐1 1 and C‐1 l′ by OMe groups to yield the title compound (II).
ChemInform Abstract: Research on Antibacterial and Fungicidal Agents. Part 6. Pirfloxacin and Related Compounds: Synthetical and Microbiological Studies.
Authors: ARTICO M. , CORELLI F. , MASSA S. , STEFANCICH G. , PANICO S. , SIMONETTI N.
Published: May 2016

Die Synthese von Pirfloxazin (VII) und einiger seiner Analoga, einer fungiziden und antibakteriellen Substanzklasse, wird beschrieben.
ChemInform Abstract: An Alternative Synthesis of (±)‐Descarboxyquadrone (I).
Authors: KAKIUCHI K. , UE M. , TADAKI T. , TOBE Y. , ODAIRA Y.
Published: May 2016

(KAKIUCHI , K.; UE, M.; TADAKI, T.; TOBE, Y.; ODAIRA, Y.; Chem.
ChemInform Abstract: γ‐Radiation Effects on Corrosion. Part 1. Electrochemical Mechanisms for the Aqueous Corrosion Processes of Austenitic Stainless Steels Relevant to Nuclear Waste Disposal in Tuff.
Authors: GLASS R. S. , OVERTURF G. E. , VAN KONYNENBURG R. A. , MCCRIGHT R. D.
Published: May 2016

The oxidizing nature of groundwater from a proposed nuclear waste repository site in tuffaceous rock is increased by γ‐irradiation due to the formation of H2O2 and ·OH radicals.