bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Stereo‐ and Regiochemistry in Palladium‐Catalyzed Nucleophilic Substitution of Optically Active (E)‐ and (Z)‐Allyl Acetates.
Authors: HAYASHI T. , YAMAMOTO A. , HAGIHARA T.
Published: May 2016

Aus den isomeren (S)‐ und (R)‐Allylacetaten (I) und (II) sowie (IV) und (V) entstehen in Gegenwart von Pd‐Komplexsalzen über eine Pd‐Komplex‐ Zwischenstufe (III) mit Na‐malonsäuredimethyl‐ ester (VIII) oder Na‐acetylaceton (IX) gleiche Produkte (S)‐(VI) und (R)‐(VII) bzw. (X) in hohen Ausbeuten.
ChemInform Abstract: Replacement of the Activated Nitro Group by a Phenylthio Group.
Authors: MIYAKE H. , YAMAMURA K.
Published: May 2016

The nitro compounds (I), whose nitro grAoup is activated by a carbonyl group, an alkoxycarbonyl group or by a phenyl group react with PhSH under neutral conditions to form the phenylthio compounds (II) by Substitution of the activated nitro group by a thiophenyl group.
ChemInform Abstract: Ab initio and Monte Carlo Calculations for a Nucleophilic Addition Reaction in the Gas Phase and in Aqueous Solution.
Authors: MADURA J. D. , JOERGENSEN W. L.
Published: May 2016

Energy profiles for the nucleophilic addition of hydroxide ion to formaldehyde haye been determined with quantum and statistical mechanical methods.
ChemInform Abstract: Di‐2‐pyridyl Sulfite. A New Useful Reagent for the Preparation of N‐Sulfinylamines, Nitriles, Isocyanides and Carbodiimides Under Mild Conditions.
Authors: KIM S. , YI K. Y.
Published: May 2016

2‐Hydroxy‐pyridin (I) liefert ein Sulfit (II), das mit den Aminen (III) zu den Sulfinylaminen (IV), mit den Formamiden (V) zu den Isonitrilen (VI), mit den aromatischen Amiden (VII) zu den Nitrilen (VIII), mit den Oximen (X) und den Thioamiden (XIV) zu den ′ entsprechenden Nitrilen (XI) bzw. (XV) sowie mit den Thioharnstoffen (XII) zu den Carbodiimiden (XIII) führt.
ChemInform Abstract: Products of the Thermal Decomposition of the Boric Acid Esters of 4‐Hydroxymethyl‐2‐carene.
Authors: MANUKOV E. N. , VYGLAZOV O. G. , CHUIKO V. A. , SKAKOVSKII E. D.
Published: May 2016

The title compound (II) is prepared according to a known procedure.
ChemInform Abstract: Thioozonide Decomposition: Sulfur and Oxygen Atom Transfer. Evidence for the Formation of a Carbonyl O‐Sulfide Intermediate.
Authors: MATTURRO M. G. , REYNOLDS R. P. , KASTRUP R. V. , PICTROSKI C. F.
Published: May 2016

When the thiophene (I) is irradiated in an aerated CDCl3 solution, a quantitative conversion to the thioozonide (II) is obtained.
ChemInform Abstract: Chemistry of Sulfenic Acids. Part 7. Reason for the High Reactivity of Sulfenic Acids.
Authors: DAVIS F. A. , JENKINS L. A. , BILLMERS R. L.
Published: May 2016

In bekannter Weise werden die Sulfide (I) und hieraus durch Oxidation die Sulfoxide (II) hergestellt.
ChemInform Abstract: Tandem Cyclization‐Cycloaddition Reactions of α‐Diazoacetophenone Derivatives.
Authors: PADWA A. , CARTER S. P. , NIMMESGERN H.
Published: May 2016

Die Diazoacetophenone (I) werden in Gegenwart von Rhodiumacetat in die Cycloaddukte (III) übergeführt.
ChemInform Abstract: Thermolysis of Benzopyranone‐Indenone Adducts. Part 2. Some New Aspects of the Mechanism.
Authors: VANDERZANDE D. J. , KIEKENS E. G. , MARTENS H. J. , HOORNAERT G. J.
Published: May 2016

Die regioisomeren Benzopyranon‐Indenon‐Addukte (I) und (II) werden der Thermolyse unterworfen.
ChemInform Abstract: Electron Apportionment in Cleavage of Radical Anions. Part 1. Nitro‐Substituted Benzyl Phenyl Ethers.
Authors: MASLAK P. , GUTHRIE R. D.
Published: May 2016

Cleavage of the radical anions (Ia) yields the toluene (IV) as the only detected product from low concentrated solutions.
ChemInform Abstract: Cerium or Ruthenium Catalyzed Oxidation of Alcohol to Carbonyl Compounds by Means of Sodium Bromate.
Authors: KANEMOTO S. , TOMIOKA H. , OSHIMA K. , NOZAKI H.
Published: May 2016

Awide variety of sec. alcohols (I) is oxidized to the ketones (II) by sodium bromate under cerium(IV) ammonium nitrate catalysis.
ChemInform Abstract: Electrophilic Catalysis in Iodosylbenzene Oxidation of Aromatic Derivatives.
Authors: MUELLER P. + , GILABERT D. M.
Published: May 2016

Die Oxidation der substituierten Phenole (I) zu den p‐Chinonen (V) erfolgt entweder mit Iodosylbenzol (II)‐BF3‐Komplexen, mit Iodosylbenzol(II)‐Essigsäure oder mit Iodosylbenzolcarbonsäure (III)‐Ruthenium‐Komplex (IV).
ChemInform Abstract: A Study of Unsaturated Compounds. Part 14. Products of the Low Temperature Chlorination of 1,2,3‐Trichloro‐2‐butene in the Presence of Ferric Chloride and tert.‐Butylpyrocatechol.
Authors: KAPLANYAN E. E. , MKRTCHYAN A. M. , MKRYAN G. M.
Published: May 2016

The chlorination of the title compound (I) at ‐2O ° C in the presence of FeCl3 and tert.‐butylpyrocatechol yields the expected product, the penta‐ chlorobutane (II) and the unexpected products, the tetrachloro‐1‐butene (III) and the tetrachloro‐2‐butene (IV).
ChemInform Abstract: Fluorination of Halogeno Alcohols with 1,1,2,3,3,3‐Hexafluoropropyl Diethylamine.
Authors: WATANABE S. , FUJITA T. , USUI Y. , KIMURA Y. , KITAZUME T.
Published: May 2016

Halogen enthaltende aliphatische (I) und araliphatische Alkohole (V) werden mit dem aus Diethylamin und Hexafluorpropen erhaltenen Hexafluorpropyl‐diethylamin‐Agens (II) in die entsprechenden Fluor‐Derivate (III) bzw. (VI) übergeführt.
ChemInform Abstract: A New Convenient Synthesis of α‐Arylpropionic Acid Esters and α‐Arylpropionitriles.
Authors: AMANO T. , YOSHIKAWA K. , SANO T. , OHUCHI Y. , SHIONO M. , ISHIGURO M. , FUJITA Y.
Published: May 2016

Die im Titel genannten Verbindungen (III) bzw. (V) werden durch Kupplung der Grignard‐Verbindungen (I) mit den Bromestern (II) bzw. dem Mesylat (IV) in Gegenwart von Nickel(II)‐Katalysatoren bzw. Kupfer(I)‐ bromid erhalten.
ChemInform Abstract: Stereochemistry of 3‐Oxo‐5‐phenylcyclopentanecarboxylic Acids.
Authors: KOERFER I. + , FRAHM A. W.
Published: May 2016

Bei der verseifenden Decarboxylierung des Triesters (I) erhält man neben dem Cyclopentenon (II) die drei isomeren Ketosäuren (III)‐(V).
ChemInform Abstract: New Facile Synthesis of α‐Hydroxyamides: Intermolecular and Intramolecular Catalysis in the Reaction of α‐Hydroxycarboxylic Acids with N‐Sulfinylamines.
Authors: SHIN J. M. , KIM Y. H.
Published: May 2016

Die α‐Hydroxy‐carbonsäuren (I) reagieren mit den N‐Sulfinyl‐anilinen (II) zu den Amiden (III), aus Weinsäure (IV) erhält man je nach den Mengenverhältnissen die Diamide (V) oder die Monoamide (VI).
ChemInform Abstract: Synthesis of the Optically Pure Monoethyl Ester of (R)‐(+)‐2‐Fluoromalonic Acid by Use of Immobilized Lipase‐MY for Asymmetric Hydrolysis.
Authors: KITAZUME T. , MURATA K. , IKEYA T.
Published: May 2016

Durch die asymmetrische Hydrolyse des 2‐F1uormalonsäurediethylesters (I) mit durch Calciumalginat immobilisierter Lipase‐MY (Candida cyclindracea) erhält man in einer optischen Reinheit von über 99% e.e.
ChemInform Abstract: Free Radical Macrocyclization.
Authors: PORTER N. A. , MAGNIN D. R. , WRIGHT B. T.
Published: May 2016

PCC oxidation of the alcohol (I) followed by Grignard reaction with vinylmagnesium bromide (II) affords the allylic alcohol (III).
ChemInform Abstract: 6‐Cyanotetracyclo[5.5.0.02,4.03,5]dodeca‐6,8,10,12‐tetraene: A Novel Heptalene Valence Isomer.
Authors: SUGIHARA Y. , WAKABAYASHI S. , SAITO N. , MURATA I.
Published: May 2016

The tricycloheptanone (I) undergoes double sulfenylation, elimination of benzene sulfenic acid and oxidation to give the sulfoxide (III).
ChemInform Abstract: Reactivity of Pent‐1‐en‐4‐ynes and Synthesis of 2‐Substituted Derivatives.
Authors: DREWES S. E. , SLATER‐KINGHORN B. J.
Published: May 2016

Die Enine (III) werden durch Addition des Acetylids (II) an die Acrylsäureester (I) hergestellt.
ChemInform Abstract: A Strained Cyclopropanobicyclo[3.2.1]octanone.
Authors: CECCHERELLI P. , CURINI M. , MARCOTULLIO M. C. , WENKERT E.
Published: May 2016

Aus dem Methylcyclohexenon (I) wird das Nitril (II) hergestellt, das in bekannter Weise in das Stereoisomerengemisch der Nitrile (IIIa) übergeführt wird.
ChemInform Abstract: Formation of 1‐Hydroxycyclopropanecarbonitrile Ring in Bicyclic Systems.
Authors: ABAD A. , AGULLO C. , ARNO M. , SEOANE E.
Published: May 2016

Treatment of the halogen‐ or methanesulfonyloxy‐substituted cycloalkanones (I) with KCN leads to the cyanooxiranes (II) and the hydroxybicyclocarbonitriles (III).
ChemInform Abstract: A Convenient Preparative Route to 1,2‐Epoxy‐3‐methyl‐3‐butene via Ene ‐ Type Chlorination.
Authors: SUZUKI S. , FUJITA Y. , KOBAYASHI Y. , SATO F.
Published: May 2016

Reaktion von Prenylacetat (I) mit tert.‐Butylhypochlorit (II) bzw. unterchloriger Säure liefert destillativ trennbare Gemische der Chlorierungsprodukte (III) und (IV).
ChemInform Abstract: Synthesis of an Aldehyde‐Lactone ‐ a Synthon for 10‐Methylprostaglandins.
Authors: LAKHVICH F. A. , LIS L. G. , PAP A. A. , ZHELDAKOVA T. A.
Published: May 2016

The synthesis of the title compound (VI) is described.
ChemInform Abstract: Intramolecular 2‐Azaallyl Anion Cycloadditions. Application to the Synthesis of Fused Bicyclic Pyrrolidines.
Authors: PEARSON W. H. , WALTERS M. A. , OSWELL K. D.
Published: May 2016

Treatment of the imine (I) with LDA and warming of the solution to 60°C yield the perhydrocyclopenta[b]pyrrole (II) as a single isomer.
ChemInform Abstract: Reaction of Perchloro‐2‐pyrone with Polar Aprotic Solvents.
Authors: TALZI V. P. , GUDOSHNIKOV S. K. , BUSLAEVA L. I. , DAVLETSHINA A. M. , BEK N. O.
Published: May 2016

The title compound (I) reacts with DMF with concomitant elimination of C12 to form the hitherto unknown dichloropyrandione (I I).
ChemInform Abstract: Synthesis of 5‐Alkyl‐2‐(4‐cyanophenyl)pyridines.
Authors: PAVLYUCHENKO A. I. , SMIRNOVA N. I. , KOVSHEV E. I. , TITOV V. V.
Published: May 2016

An optimized method for the preparation of the p‐bromophenyl vinyl ketone (II) is described.
ChemInform Abstract: Synthesis of 2‐Chloromethyl‐1,4‐dihydropyridines.
Authors: CUPKA P. , SVETLIK J.
Published: May 2016

Die im Titel genannten Verbindungen (IV) werden nach einer modifizierten Hantzsch‐Synthese aus den 4‐Chloracetessigestern (I), den Aminocrotonsäureestern (II) und den Aldehyden (III) hergestellt.
ChemInform Abstract: Synthesis of Quinoline Derivatives from the Bisarylimidoyl Chlorides of Dichloromalonic Acid.
Authors: SHIVANYUK A. F. , DASHKOVSKAYA E. V. , LOZINSKII M. O. , KALININ V. N.
Published: May 2016

The 4‐arylamino‐2,3‐dichloroquinolines (II) are prepared from the diarylimines (I) by cyclization using a novel procedure.
ChemInform Abstract: Carbon Dioxide: A Reagent for the Protection of Nucleophilic Centres and the Simultaneous Activation of Electrophilic Attack.
Authors: KATRITZKY A. R. , AKUTAGAWA K.
Published: May 2016

Tetrahydroisoquinoline (I) is converted into several 1‐substituted derivatives (II).
ChemInform Abstract: Chemistry of Perylene. High Temperature Sulphurisation of tali‐Substituted Derivatives of Perylene‐3,4,9,10‐tetracarboxylic Acid.
Authors: SOLOMENTSEVA T. I. , ROGOVIK V. I. , CHIBISOVA T. A. , TRAVEN' V. F. , STEPANOV B. I.
Published: May 2016

The reactions of the tali‐substituted perylenes (I) with S in boiling DMF or N‐methylpyrrolidone (NMP) take a differing course, depending on the Substitution pattern.
ChemInform Abstract: Synthesis of 1‐Methyl‐2‐phenyl‐4‐arylphthalazinium Salts and Their Reactions with Benzaldehyde.
Authors: OVCHINNIKOVA I. G. , SAMARTSEVA I. V. , PAVLOVA L. A.
Published: May 2016

By Grignard reaction of the phthalazines (I) with MeMgI followed by decomposition by HClO4, the novel phthalazinium perchlorates (II) with a methyl group 0L to one of the positively charged hetero atoms are obtained.
ChemInform Abstract: Reaction of Tri‐n‐butyltin ω‐Haloalkoxide (n‐Bu3SnO(CH2)nX) with Isothiocyanate.
Authors: BABA A. , SHIBATA I. , KASHIWAGI H. , MATSUDA H.
Published: May 2016

The tributyltin haloalkoxides (I) react with isothiocyanates (II) to give the ?veand six‐membered heterocycles (III) and (IV).
ChemInform Abstract: Synthesis and Biological Properties of Substituted Triazino[3,4‐f]xanthine.
Authors: ROMANENKO N. I. , FEDULOVA I. V. , PRIIMENKO B. A. , SAMURA B. A. , KAPKAN L. M. , CHERVINSKII A. YU. , PEKHTEREVA T. M. , GARMASH S. N.
Published: May 2016

Aus dem Kaliumsalz des 8‐Brom‐3‐methylxanthins (I) werden durch Umsetzung mit Bromketonen (II) und Cyclisierung mit Hydrazinen (IV) die Triazinoxanthine (V) gebildet und über die Ester (VI) in die Derivate (VII) und (VIII) umgewandelt.
ChemInform Abstract: Synthesis of Pyrrolo[1,2‐a]naphtho[1,8‐ef][1,4]diazepines.
Authors: CHEESEMAN G. W. H. , ECCLESHALL S. A.
Published: May 2016

1‐Amino‐8‐nitro‐naphthalin (I) liefert mit 2,5‐Diethoxy‐tetrahydrofuran (II) das l‐Pyrrolyl‐8‐nitro‐naph‐ thalin (IIIa), das zu (IIIb) formyliert wird.
ChemInform Abstract: Synthesis and Complexing Ability of New Type of Macrobicyclic Compounds.
Authors: NAKATSUJI Y. , KIKUI T. , IKEDA I. , OKAHARA M.
Published: May 2016

Reaction between the crown ethers (I) and the tosylates (II) furnishes the macrocycles (III) [yield only given for (IIIa)].
ChemInform Abstract: Conformation of Dithia[3.3]azulenofurano‐ and ‐thiophenophanes.
Authors: FUKAZAWA Y. , KODAMA M. , TSUCHIYA J. , FUJISE Y. , ITO S.
Published: May 2016

Aus den Dimercaptanen (I) erhält man mit Bis‐ammoniumsalzen (II) bzw. (IV) die Makrocy‐ clen (III) bzw. (V), deren Konformationen diskutiert werden.
ChemInform Abstract: Aryloxy‐acetoxymethyl‐trifluoro‐silanes. New Derivatives of Pentavalent Silicon.
Authors: VORONKOV M. G. , DOLMAA G. , ALBANOV A. I. , SHEVCHENKO S. G. , DUBINSKAYA E. I.
Published: May 2016

Die Reaktion der Trimethoxysilylmethylester (I) mit Bortrifluorid‐ Etherat ohne Lösungsmittel führt zu den neuen Trifluorsilanen (II), in denen wegen Wechselwirkung des Siliciums mit dem Carbonyl‐Sauerstoff pentakoordiniertes Silicium vorliegt.
ChemInform Abstract: Unusually Coordinated Phosphorus Compounds. Part 10. Unusual Oxygen Shift During Dimerization of λ5σ3‐Phosphaalkynes.
Authors: KELLER H. , MAAS G. , REGITZ M.
Published: May 2016

Das P(III)‐chlorid reagiert mit dem Silbersalz (II) zu dem Kondensationsprodukt (III), das unter Eliminierung von Stickstoff zu den Phosphaalkinen (IV) führt.
ChemInform Abstract: A Site Isolated Tellurium Oxidation Catalyst Having no Soluble Analogue.
Authors: BRILL W. F.
Published: May 2016

Mit Divinylbenzol vernetztes Polystyrol (I) wird über das Aryltellurtrichlorid (II) zur Telluronsäure (III) hydrolysiert.
ChemInform Abstract: Metal Carbonyl v(CO) Force Constants as Predictors of π‐Ethylene and π‐Benzene Complex Reactivity with Nucleophiles.
Authors: BUSH R. C. , ANGELICI R. J.
Published: May 2016

Nucleophilic attack on n‐ethylene and n‐benzene organometallic Compounds, resulting in β‐substituted ethyl and exo‐substituted cyclohexadienyl complexes, respectively, is examined in terms of a new reactivity parameter, kC0 (tab.).
ChemInform Abstract: Macrocyclic Complexes of Indium(III): Novel μ‐Hydroxo‐ and μ‐Oxo‐Bridged Complexes.
Authors: WIEGHARDT K. , KLEINE‐BOYMANN M. , NUBER B. , WEISS J.
Published: May 2016

InCl3 reacts with the respective cyclic triamine in dry CHCl3 (2 h reflux) to form the Compounds (Ia), in MeCN (30 min, 40°C) to yield (Ib) and with the triamine trihydrobromide in water to give (Ic).
ChemInform Abstract: Metal Donor → Metal Acceptor Complexes: Fe(CO)42‐, HFe(CO)4‐, and trans‐ HFe(CO)3P(OMe)3‐ as Anionic Ligands to M(CO)50 , M: Cr, W.
Authors: ARNDT L. W. , DARENSBOURG M. Y. , DELORD T. , BANCROFT B. T.
Published: May 2016

The mixed metal binuclear anions are prepared as PPN salts (III) by direct reaction of PPN+ salts of [H Fe(CO)3L′]" (I) with labile THF derivatives (II) of group 6 metal carbonyls photochemically generated.
ChemInform Abstract: Synthesis and Spectral Characterization of Tetracyanoferrate(II) and Tetracyanoferrate(III) Chelates with 1,3‐Diamines.
Authors: GOTO M. , NAKAYABU H. , ITO H. , TSUBAMOTO H. , NAKABAYASHI K. , KURODA Y. , SAKAI T.
Published: May 2016

Fe(ClO4)2 reacted in MeOH with 1,3‐diaminopropane, 1,3‐diaminobutane, and meso‐2,4‐ and (2R,4R)‐diaminopentane followed by addition of NaCN to give the low‐spin ferrate(II) complexes (I) which were oxidized to yield the Fe(III) chelates.
ChemInform Abstract: Reaction of Trimethylallylsilane with Elementary Sulfur in the Presence of Tri‐Iron Dodecacarbonyl.
Authors: CHERNYSHEV E. A. , KUZ'MIN O. V. , LEBEDEV A. V. , MRACHKOVSKAYA T. A. , GUCEV A. I. , KIRILLOVA N. I. , KISIN A. V.
Published: May 2016

Bei der im Titel genannten Reaktion entstehen neben den Carbonylen (II) und (III) cyclische Eisen‐Schwefel‐Verbindungen (IV) und (V).
ChemInform Abstract: Synthesis of a Helical Metallocene Oligomer.
Authors: SUDHAKAR A. , KATZ T. J. , YANG B.‐W.
Published: May 2016

The preparation of helicene (M)‐ (V) is easy and occurs shown in thescheme.
ChemInform Abstract: Chloro Complexes of Coba1t(III) and Chromium(III) with 2,2‐Dimethyl‐1,3‐diaminopropane.
Authors: HOUSE D. A.
Published: May 2016

Dioxygen oxidation of CoCl2 and 2,2‐dimethyl‐1,3‐diaminopropane (122 mole ratio) in Me‐ OH followed by HCl workup results in the isolation of (Ia) and a product, formulated as (II).
ChemInform Abstract: New Organocobaloximes Derived from N,N‐Disubstituted Monothiocarbamic Acid S‐Vinyl Esters.
Authors: SZEVERENYI Z. , VISKI P. , SIMANDI L. I.
Published: May 2016

The new title cobaloximes (III) were prepared by reaction of (I) via the unstable hydridocobaloxime and their reactivity towards the olefinic compounds (II).
ChemInform Abstract: Metal Pseudohalides Complexes. Part 11. Synthesis and Structural Determination of Di‐μ‐(1,1)‐azido‐bis[azido(2‐benzoylpyridine)]dicopper(II) and Catena‐di‐μ(1,3)‐azido[di‐μ(1,1)‐azido‐bis(ethylnicotinate)dicopper(II)].
Authors: MAK T. C. W. , GOHER M. A. S.
Published: May 2016

The addition of NaN3 in water to a mixture of Cu(NO3)2 and Z‐benzoylpyridine in EtOH yielded the dimeric title compound (I), which crystallizes in the space group PT with Z=1.
ChemInform Abstract: Catalytic C ‐ C Bond Formation via Ortho‐Metalated Complexes.
Authors: LEWIS L. N. , SMITH J. F.
Published: May 2016

Ru complexes containing ortho‐metalated triphenyl phosphite linkages react with ethylene to give ortho‐alkylation on the triphenylphosphite ligands.
ChemInform Abstract: Polyaza Cavity‐Shaped Molecules. Part 7. Dirhodium Complexes of Triaza and Tetraaza Cavities.
Authors: THUMMEL R. P. , LEFOULON F. , WILLIAMSON D. , CHAVAN M.
Published: May 2016

The preparation of the cavity‐shaped ligands (VI I), (IX) and (X) involves two sequential Friedlander condensations of (III).
ChemInform Abstract: Cluster Synthesis. Part 11. Role of Sulfido Ligands in the Synthesis of Heteronuclear Clusters.
Authors: ADAMS R. D. , HORVATH I. T. , WANG S.
Published: May 2016

The reaction of the O54 Cluster (I) with an excess of the Pt(O) complex (II) leads to the title compounds (III) and (IV).
ChemInform Abstract: Prenylation‐Cyclisation of Geranyl Acetate.
Authors: JULIA M. , SCHMITZ C.
Published: May 2016

Reaction of the dimethyl allyl alcohol (I) with geranyl acetate (II) under acid catalysis yields a mixture of compounds (III)‐(VII) and (VIIIa)‐(XIIa).
ChemInform Abstract: Synthetic Studies of the Detoxin Complex. Part 1. Total Synthesis of (‐) Detoxinine.
Authors: EWING W. R. , HARRIS B. D. , BHAT K. L. , JOULLIE M. M.
Published: May 2016

Compound (III) is synthesized by a known procedure from butadiene (I) and nitromethane (II).
ChemInform Abstract: Asymmetric Synthesis by Chiral Ruthenium Complexes. Part 12. Hydrogenation of Amino Acids Precursors.
Authors: PIACENTI F. , FREDIANI P. , MATTEOLI U. , MENCHI G. , BIANCHI M.
Published: May 2016

Die Z‐konfigurierten Säuren (I) reagieren mit den chiralen Ruthenium‐ Komplexen (II) bzw. (III) zu den S‐konfigurierten Aminosäuren (IV) mit einer optischen Reinheit bis 26%.
ChemInform Abstract: Sequence‐Specific Cross‐Linking of Deoxyoligonucleotides via Hybridization‐Triggered Alkylation.
Authors: WEBB T. R. , MATTEUCCI M. D.
Published: May 2016

An oligodeoxynucleotide (VII) containing the 5‐methyl‐ N",N4‐ethanocytosine (C°) moiety has been synthesised starting from the amidite (I) as shown in the scheme.
ChemInform Abstract: Transient Protection. Part 2. One‐Flask Synthesis of 6‐O‐[(4‐Nitrophenyl)ethyl]‐ 2′‐deoxyguanosine Nucleosides.
Authors: GAO X. , GAFFNEY B. L. , HADDEN S. , JONES R. A.
Published: May 2016

Substitutionsreaktionen des Desoxyguanosins (I) zu (II)‐(IV) bzw. zur Cycloverbindung (V) werden im skizzierten Sinne beschrieben.
ChemInform Abstract: Stereocontrolled Access to the Octosyl Acids: Total Synthesis of Octosyl Acid A.
Authors: HANESSIAN S. , KLOSS J. , SUGAWARA T.
Published: May 2016

Chain elongation of the aldehyde (I) by Grignard reaction followed by sequential protection and hydrolysis of the acetonide function gives the nucleoside derivative (IV).
ChemInform Abstract: The Synthesis and Antimicrobial Activity of (1S,2S)‐1‐Hydroxy‐2‐[(S)‐valylamino]cyclobutane‐1‐acetic Acid and (1S,2S)‐1‐Hydroxy‐2‐aminocyclobutane‐1‐acetic Acid.
Authors: BALDWIN J. E. , ADLINGTON R. M. , PARISI M. F. , TING H.‐H.
Published: May 2016

The cyclobutanone (I) reacts under Reformatsky conditions with the bromoacetate (II) to give a mixture of the racemic cis‐ and trans‐dibenzylamino alcohols (III) and (IV); the structure of the latter is confirmed by X‐ray analysis.
ChemInform Abstract: Synthesis of a Lophotoxin Intermediate.
Authors: TIUS M. A. , TREHAN S.
Published: May 2016

Ausgehend von dem 4‐Chlorbutyronitril (I) wird über zahlreiche Zwischenstufen das Lacton (IV) hergestellt.
ChemInform Abstract: A Convergent Synthesis of (±)‐Eldanolide Based on Reaction of Aldehyde with Di‐ thio‐Substituted Crotyllithium Compound.
Authors: FANG J.‐M. , HONG B.‐C.
Published: May 2016

Addition des Methylpentenals (II) an das Dithian (I) liefert das Addukt (III), aus dem durch Desulfurierung die im Titel genannte Verbindung (IV) erhalten wird.
ChemInform Abstract: Synthesis of the Aggregation Pheromone of the Square‐Necked Grain Beetle Cathartus quadricollis.
Authors: JOHNSTON B. D. , OEHLSCHLAGER A. C.
Published: May 2016

Aus dem ungesättigten Bromid (I) erhält man im angegebenen , Sinne die ungesättigten Alkohol‐Derivate (V); aus 1‐Butenoxid (VI) entstehen mit (VII) die Isomeren (X) in regioisomer einheitlicher Form.
ChemInform Abstract: Fluorine, Chlorine, Bromine, Iodine, Astatine, and Noble Gases
Authors: THOMAS M. J. K.
Published: May 2016

Review: (144 refs.
ChemInform Abstract: Investigation of the Reactions of Fluorinated Isatins and N‐Acetylisatins with Thiocarbohydrazide: Synthesis of a Novel Spiro System: 2‐Oxo‐1′,2′,4′,5′‐tetrahydrospiro[3H‐indole‐3,3′‐1,2,4,5‐tetrazine]‐6′‐ thione.
Authors: JOSHI K. C. , JAIN R. , DANDIA A. , SHARMA V.
Published: May 2016

Aus den Isatinen (I) entstehen mit Thiocarbohydrazid je nach dem Substituenten Rdie Spirocyclen (III) bzw. die Hydrazone (IV).
ChemInform Abstract: Formation of Cyclic Silylphosphanes. Reaction of Li‐Phosphides with R2SiCl2 (R: Me, Et, tBu).
Authors: FRITZ G. , BIASTOCH R.
Published: May 2016

The reaction of Me2SiCl2 with Li phosphides (mixture of LiPHz and LizPH) leads to the formation of cyclic (Ia), (IIa), (III)‐(V), and (VIa) as well as linear silylphosphanes (VI Ia), and (VIII).
ChemInform Abstract: Stereoselective Total Synthesis of (±)‐3‐Iso‐19‐epiajmalicine.
Authors: LOUNASMAA M. , JOKELA R.
Published: May 2016

Aus dem TryptyI‐ pyridiniumsalz (I) wird das Heteroyohimbin‐Alkaloid (±)‐3‐Iso‐19‐epiajmalicin (II) synthetisiert.
ChemInform Abstract: Synthesis and Antiviral Activity of 5′‐O‐ and 3‐N‐Substituted Derivatives of 5‐(2‐Chloroethyl)‐2′‐deoxyuridine.
Authors: GRIENGL H. , SCHWARZ W. , SCHATZ F. , SKROBAL M. , WERNER G. , ROSENWIRTH B.
Published: May 2016

The derivatives (Ib)‐(Id) of the title compound (Ia) (CEDU), a novel potent and selective anti‐herpes agent, are obtained by reaction of (Ia) with equimolar amounts of the corresponding acid Chloride in pyridine.
ChemInform Abstract: Zwitterionic 3′‐O‐Acyl Derivatives of Thymidine 5′‐Phosphate as Potential Sources of Intracellular Thymidine 5′‐Phosphate in Cells in Culture.
Authors: CHAWLA R. R. , FREED J. J. , KAPPLER F. , HAMPTON A.
Published: May 2016

Ausgehend von 5′‐O‐ Tritylthymidin (I) werden über die 3′‐Acylderivate (III) die Ammoniumchloride (V) und (VI) hergestellt, die in die zwitterionischen 5′‐Phosphate (VII) und (VIII) übergeführt werden.
ChemInform Abstract: Structures and Reactions of Gas‐Phase Organic Ions
Authors: BALDWIN M. A.
Published: May 2016

Review: (132 refs.
ChemInform Abstract: Photoproduct Distribution Spectrum of the Sensitized Photoreaction of 1,4‐p‐Benzenonaphthalene.
Authors: KIMURA M. , NUKADA K. , SATAKE K. , MOROSAWA S.
Published: May 2016

Acorrelation between the type of the photoproducts of the title compound (XII) and a variety of triplet carbonyl and non‐carbonyl sensitizers (I)‐(XI) is investigated.
ChemInform Abstract: Oxidation of Alcohols and Ethers Using Sodium Bromate‐Hydrobromic Acid System.
Authors: KAJIGAESHI S. , NAKAGAWA T. , NAGASAKI N. , YAMASAKI H. , FUJISAKI S.
Published: May 2016

The title system A) is employed to convert: i) prim. alcohols (I) or open‐chain ethers (Va) to esters (II); ii) cyclic ethers (Vb) or ogco‐diols (VI) to lactones (VII); iii) sec. alcohols (VIII) to ketones (IX).
ChemInform Abstract: On the Reaction of 2‐Chloronicotinic Acid with 2‐Aminobenzothiazole.
Authors: GARIN J. , MELENDEZ E. , MERCHAN F. L. , TEJERO T.
Published: May 2016

Die Chlornicotinsäure (I) reagiert mit den Aminobenzothiazolen (II) zu den Amiden (III).
ChemInform Abstract: Structure of O‐Monoalkylation Products Obtained from Pyrocatechol and α‐Bromoketones.
Authors: DZVINCHUK I. B. , KUZNETSOV N. V. , LOZINSKII M. O.
Published: May 2016

Brenzcatechin (I) reagiert mit α‐Bromketonen (II) bzw. (IV) in Gegenwart von Triethylamin in verschiedener Weise.
ChemInform Abstract: Synthesis of Pyridazine, Pyridazin‐3‐one, 2‐Aminopyrrole and 2,5‐Diaminopyridine Derivatives from Dicyanomethylene Compounds.
Authors: ABDELHAMID A. O. , ABED N. M.
Published: May 2016

Die Dicyanomethylenverbindungen (I) reagieren mit den Diazoniumsalzen (II) zu den Pyridazinen (III), die unter reduzierenden Bedingungen in die Aminopyrrole (IV) übergehen.
ChemInform Abstract: Cyclic Transformation Reactions of 1,2,4‐Dithiazolidine with o‐Chinonemethide Structure to [1]Benzopyrano[3,4‐d]pyrimidine and Thiazole Derivatives.
Authors: BRIEL D. , LEISTNER S. , WAGNER G.
Published: May 2016

Das Dithiazolium‐Salz (I) reagiert mit Nucleophilen überraschenderweise zu dem Dithiazolidin (II) mit 0‐Chinonmethidstruktur.
ChemInform Abstract: Synthesis of Novel Fused β‐Lactams by Intramolecular 1,3‐Dipolar Cycloadditions.
Authors: BRANCH C. L. , PEARSON M. J.
Published: May 2016

The glycolate (I) is transformed into the azide (II), which on thermolysis affords the diazabicyclo[3.2.0]heptanes (IIIa) and (IIIb).
ChemInform Abstract: Reactions of Allenic Phosphonites with Carbonyl Compounds and Azomethines.
Authors: BELAKHOV V. V. , YUDELEVICH V. I. , YAKOVLEV A. A. , IONIN B. I.
Published: May 2016

Aus Propargylalkohol (II) und unterphosphoriger Säure (I) entsteht der A1lenphosphonigsäure‐propargylester (III).
ChemInform Abstract: N‐Butylpotassium: Preparation, Synthetic Use and NMR Properties in Hexane and Tetrahydrofuran Solution.
Authors: PI R. , BAUER W. , BRIX B. , SCHADE C. , VON RAGUE SCHLEYER P.
Published: May 2016

N‐Butylkalium (III) wird nach dem angegebenen Schema aus Butyllithium (I) hergestellt; es ist in n‐Hexan bei ‐50°C unlöslich.
ChemInform Abstract: Trimethylstannyllithium Mediated Synthesis of 2‐, 3‐ and 4‐Trimethylstannylcyclohexanols.
Authors: RICCI A. , TADDEI M. , SECONI G.
Published: May 2016

Die stereospezifische Herstellung von 2‐, 3‐ und 4‐Trimethylstannylcyclohexanolen (III), (V), (VIII) und (IX) wird beschrieben.
ChemInform Abstract: Thermolysis of Aryl Derivatives of Pentavalent Bismuth in the Presence of Triphenylantimony.
Authors: SHARUTIN V. V. , BYCHKOV V. T. , BOLOTOVA O. P. , KUZINA V. I.
Published: May 2016

Aus Pentaphenylbismut (I) wird mit Kohlendioxid das Oxabismutolan (II) erhalten.
ChemInform Abstract: Synthesis of Natural Polyhydroxystilbenes.
Authors: CARDONA L. , FERNANDEZ I. , GARCIA B. , PEDRO J. R.
Published: May 2016

The naturally occurring trans‐stilbenes (VIII) and their cis‐isomers (IX) are prepared.
ChemInform Abstract: Novel Technique for the Generation of Bis(polyfluoroalkyl) and Polyfluoroalkyl Nitroalkyl Nitroxides.
Authors: ZHAO C.‐X. , JIANG X.‐K. , CHEN G.‐F. , QU Y.‐L. , WANG X.‐S. , LU J.‐Y.
Published: May 2016

Reaction between the peroxides (I) and the salts (II) affords mixtures of the nitroxides (III) and (IV); the product ratios vary with the ratio of reactants.
ChemInform Abstract: A Binuclear Copper(II) Complex with a Bridging Thioether Ligand.
Authors: BERG J. M. , HODGSON K. O.
Published: May 2016

The title copper(II) complex (I), prepared by the reaction of the free acid ligand with cupric hydroxide in boiling water, crystallizes in the space group P212121 with Z=4.
ChemInform Abstract: Liquid‐Crystalline Solvents as Mechanistic Probes. Part 22. The Influence of Smectic Order of n‐Butyl Stearate and Lyotropic Gels on the Diastereomeric Ratio of Cyclobutanols from the Norrish II Reactions of Aliphatic, Linear Ketones.
Authors: TREANOR R. L. , WEISS R. G.
Published: May 2016

Norrish II reaction of a series of alkanones (I) in the Smectic B phase of n‐butyl stearate, the smectic B‐like 50% aqueous gel phases of potassium stearate and pa1mitate, an equimolar mixture of potassium stearate and 1‐octadecanol, and in isotropic solvents is reported.
ChemInform Abstract: Cycloadditions. Part 6. Intramolecular Diels‐Alder Reaction of Allenecarboxanilides.
Authors: HENN L. , HIMBERT G. , DIEHL K. , KAFTORY M.
Published: May 2016

The conversion of the amide (I) to the tricyclic compound (II) is one of the rare instances where the benzene nucleus serves as a Diels‐Alder diene.
ChemInform Abstract: Direct Method for Cyanation of Ketones.
Authors: TROYANSKII E. I. , MIZINTSEV V. V. , MOLOKANOV A. N. , OGIBIN YU. N. , NIKISHIN G. I.
Published: May 2016

Die Ketone (I) werden oxidativ in γ‐Stellung cyaniert.
ChemInform Abstract: Diazo Compounds. Part 68. Dibenzo[a,c]cyclooctenes and Dibenzo[a,c]heptafulvenes from 5‐(Diazomethyl)‐5H‐dibenzo[a,c]cycloheptenes.
Authors: ARENZ S. , BOEHSHAR M. + , REGITZ M.
Published: May 2016

The dibenzocycloheptene (I) reacts with the silver and mercury compounds (II) to give the derivatives (III).
ChemInform Abstract: The Synthesis of Substituted ZH‐12‐Benzothiazines 1,1‐Dioxides.
Authors: SVOBODA J. , PALECEK J. , DEDEK V.
Published: May 2016

The benzothiazolinone derivatives (I) are rearranged by bases to yield the benzothiazine compounds (II), which are N‐alkylated to give the derivatives (III).
ChemInform Abstract: Compounds Boron‐Nitrogen Compounds. Part 110. Reactions of Boroxins and Diboroxanes with Pyrazole.
Authors: BIELAWSKI J. , NIEDENZU K.
Published: May 2016

Tetraorganyldiboryl oxides (I) react at elevated temp. with excess pyrazole (II) to give an essentially quantitative yield of the pyrazabole (III).
ChemInform Abstract: The Least Coordinating Anion.
Authors: SHELLY K. , REED C. A. , LEE Y. J. , SCHEIDT W. R.
Published: May 2016

In searching the most weakly coordinating anion the carborane anion B"CH,′2 was chosen for its large size, nearly spherical shape, and surprisingly chemical stability.
ChemInform Abstract: Polymetallic Systems with Subtle Spin Orders.
Authors: PEI Y. , KAHN O. , SLETTEN J.
Published: May 2016

Reaction of the mono‐ or dmuclear Cu(II) complexes (I) or (III) with Mn(II) perchlorate leads to the bi‐ and trimetallic chain Compounds (II) or (IV), respectively.
ChemInform Abstract: Controlled Electroplating Through Gelatin Films.
Authors: ANGUS J. C. , LANDAU U. , LIAO S. H. , YANG M. C.
Published: May 2016

A new process for generating three dimensional surface features and contours by electroplating metals through a permeable gelatin film of variable thickness is described.
ChemInform Abstract: A Study on AB2X5 Compounds. Part 2. Refinement of the Structures of InSn2Br5 and InSn2I5.
Authors: BECK H. P.
Published: May 2016

Both the title compounds crystallize with the tetragonal NH4Pb2Br5‐type arrangement (space group I4/mcm).
ChemInform Abstract: Structural Chemistry of a New Ternary Zirconium Cobalt Phosphide, Zr5Co19P12.
Authors: GHETTA V. , CHAUDOUET P. , MADAR R. , SENATEUR J. P. , LAMBERT‐ANDRON B.
Published: May 2016

The new phase, prepared in two steps by melting together Zr and Co in a 1:2 ratio and reaction of the product with P and Co in the atomic ratio 1:5 :3 at 1000 K for 24 h, crystallizes with hexagonal symmetry in the space group P62m with Z=1.
ChemInform Abstract: New Phase Transitions in CsHSeO4, CsH2PO4, RbHSO4, RbHSeO4, and RbH2PO4.
Authors: BARANOWSKI B. , FRIESEL M. , LUNDEN A.
Published: May 2016

The title compounds have more than one stable phase at ambient temp., the pha‐j se transitions depending on mechanical treatment (grinding, one‐dimensional pressure) as well as on the H2O vapour pressure above the samples.
ChemInform Abstract: Stacked Rotating Bipolar Electrode Cell for Recovery of Copper from Dilute Cupric Sulfate Solution.
Authors: SASAKI T. , ISHIKAWA T.
Published: May 2016

The novel bipolar electrode cell for recovery of heavy metals from dilute solutions consists of two feeder electrodes and four stator bipolar electrodes alternating with five rotor bipolar electrodes.
ChemInform Abstract: Pitting Corrosion Behavior of Rapidly Solidified Fe ‐ Cr Alloys in 0.5M NaCl Solution.
Authors: KAWASHIMA A. , HASHIMOTO K.
Published: May 2016

The rapidly solidified alloys (12.5, 15, 20, 30 at.% Cr) possess a significantly higher pitting corrosion resistance in comparison with the conventionally processed counterparts.
ChemInform Abstract: High‐resolution Solid‐state Magic Angle Spinning Nuclear Magnetic Resonance Investigations of Surface Hydroxy Groups on Modified Silica Gel.
Authors: BERNSTEIN T. , FINK P. , MASTIKHIN V. M. , SHUBIN A. A.
Published: May 2016

1H, 29Si, and 31P MASNMR spectra are obtained in order to study the acidic properties of hydroxy groups on phosphorus‐modified silica gel Surface s. Different 1H NMR resonance lines are observed for the SiOH and POH groups.
ChemInform Abstract: Determination of NO (ν = 0 ‐ 7) Product Distribution from the N(4S) + O2 Reaction Using Two‐Photon Ionization.
Authors: WINKLER I. C. , STACHNIK R. A. , STEINFELD J. I. , MILLER S. M.
Published: May 2016

The results of measurements of the product Vibrational state distribution for reaction A using resonant (1 + l) MPI show that the even vibrational levels (ν = O, 2, 4, 6) are relatively overpopulated with respect to the odd vibrational levels.
ChemInform Abstract: Interaction of Zr2Al with Oxygen at High Temperatures.
Authors: PALJEVIC M.
Published: May 2016

The isothermal oxidation rates of Zr2Al in dry oxygen in the temp. range 730‐875 K follows a parabolic rate law (activation energy of 371.5 kJ mol‐1).
ChemInform Abstract: Structural Relationships in the Reduction of the Vanadia‐Molybdena Intermediate Compound.
Authors: NAJBAR M.
Published: May 2016

The phase changes occurring in the powdered V2O5‐MoO3 intermediate phase (IP, being one of the main components of V2O5‐MoO3 catalyst for se‐ Iective benzene oxidation) crystals (obtained by fusion of the oxides) during their slow vacuum reduction at 573 and 723 K (below and above the Tamman temp.) are investigated by XRD.
ChemInform Abstract: Stabilization of Tetravalent Praseodymium in CeO2. Application as Stable Red Pigments at High Temperature.
Authors: OLAZCUAGA R. , EL KIRA A. , LE FLEM G. , MAESTRO P.
Published: May 2016

The new red pigments (III) have been prepared by different methods, one of them is shown in the scheme.
ChemInform Abstract: Preparation and Properties of Hydrogen Storage Alloys Microencapsulated by Copper.
Authors: ISHIKAWA H. , OGURO K. , KATO A. , SUZUKI H. , ISHII E.
Published: May 2016

Small particles (w 20 um) of the hydrogen storage alloy LaNi5 are coated with a thin porous Cu layer ( w 1 um) by a chemical plating process.
ChemInform Abstract: Preparation and Physical Properties of the Copper Manganese Telluride Cu5MnTe4.
Authors: BRUN G. , TEDENAC J. C. , VAN BRUGGEN C. F. , HAANGE R. J. , JELLINEK F.
Published: May 2016

The ternary title phase with a rhombohedral structure, obtained by reaction between MnTez and Cu at 750°C (3 d) in an evacuated quartz ampoule, is characterized by microprobe analyses, DSC, XRD, resistivity, Hall effect, thermoelectric and magnetic measurements.
ChemInform Abstract: Electrodeposition and Electrodissolution of Semiconductor ‐ Metal Mixed Compounds. Part 1. Silver Selenide.
Authors: DAVID M. , MODOLO R. , TRAORE M. , VITTORI O.
Published: May 2016

The formation of β‐Ag2Se (see scheme) has been observed during a study of the electrowinning of Ag and Se at Pt electrodes.
ChemInform Abstract: Synthesis and Structure Determination of (La,Ce)12Rh30P21.
Authors: PIVAN J. Y. , GUERIN R.
Published: May 2016

The quaternary title phosphide, which is obtained directly from the elements (La:Ce:Rh:P = 3 23 :32:17) at high temp., crystallizes in the hexagonal system (P63/ m, Z=1).
ChemInform Abstract: Fourier‐Transform IR Linear Dichroism: Stretched Polyethylene as a Solvent in IR Spectroscopy.
Authors: RADZISZEWSKI J. G. , MICHL J.
Published: May 2016

Fourier‐transform IR linear dichrowism of high‐symmetry nonpolar solutes in stretched polyethylene is investigated.
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 21. 195Pt NMR Studies of Platinum(II) and Platinum(IV) Complexes of Bi‐ and Multi‐dentate Phosphorus, Arsenic and Sulphur Ligands.
Authors: HOPE E. G. , LEVASON W. , POWELL N. A.
Published: May 2016

195Pt NMR spectra are reported for a series of complexes of types (I)‐(V).
ChemInform Abstract: The Crystal and Molecular Structure of [Rh2(OOCCH3)(HNOCCH3)3(Me2SO)2]2 H2O.
Authors: AHSAN M. Q. , BERNAL I. , BEAR J. L.
Published: May 2016

One of the compounds isolated from the stepwise Substitution of acetate in Rh2(OAc)4 by acetamide has the composition Rh2(OAc)(HNCOCH3)3.
ChemInform Abstract: Solid‐State and Solution Studies of Lithiated 2‐Carbomethoxycyclohexanone Dimethylhydrazone and Lithiated Cyclohexanone Phenylimine.
Authors: WANAT R. A. , COLLUM D. B. , VAN DUYNE G. , CLARDY J. , DEPUE R. T.
Published: May 2016

The lithiated hydrazone (I) and the lithiated imine (II) are investigated in solid state and in solution.
ChemInform Abstract: First Electride Crystal Structure.
Authors: DAWES S. B. , WARD D. L. , HUANG R. H. , DYE J. L.
Published: May 2016

The crystal structure of Cs+(18‐crown‐6)2 · e‐ is determined at ‐ 57°C (space group C2/ c with Z=4).
ChemInform Abstract: Praseodymium(III) Transport Across Phospholipid Vesicles in the Joint Presence of an Ionophore and a Fatty Acid.
Authors: GRANDJEAN J. , LASZLO P.
Published: May 2016

Accelerated transport of Pr3+ ions across phosphatidylcholine Vesicles, as measured by 31P NMR, occurs in the joint presence of an ionophore (X‐537A) and a fatty acid (such as lauric acid), itself totally incapable of Pr3+ transport.
ChemInform Abstract: Cyclodextrin Inclusion Complexes of l‐Pyrenebutyrate: The Role of Coinclusion of Amphiphiles.
Authors: HERKSTROETER W. G. , MARTIC P. A. , EVANS T. R. , FARID S.
Published: May 2016

The water‐soluble sodium l‐pyrenebutyrate (P) forms an initial 1:1 inclusion complex with β‐cyclodextrin (ß), aging with formation of a 1:2 complex, which exhibits a "barrel" structure.
ChemInform Abstract: Stereochemical Analysis of the Methyl Transfer Catalyzed by Cobalamin‐Dependent Methionine Synthase from Escherichia coli B.
Authors: ZYDOWSKY T. M. , COURTNEY L. F. , FRASCA V. , KOBAYASHI K. , SHIMIZU H. , YUEN L.‐D. , MATTHEWS R. G. , BENKOVIC S. J. , FLOSS H. G.
Published: May 2016

To further the understanding of the catalytic mechanism of methionine synthases, the steric course of the methyl transfer from 5‐Me‐H4folate to homocysteine catalyzed by the cobalamin‐dependent enzyme from E. coli is studied [(I)‐(II)].
ChemInform Abstract: Stereoselective Reductions of a Vinylogous Urethane Structure in a Highly Substituted Indolo[2,3‐a]quinolizidine.
Authors: ROSENTRETER U. , BORN L. , KURZ J.
Published: May 2016

Die Reduktion des aus Tryptamin (I) über das Dihydropyridin (IV) hergestellten Hexahydroindolo[2,3‐a]chinolizins (V) liefert in Abhängigkeit von den Bedingungen die isomeren Reduktionsprodukte (VI)‐(VIII) in unterschiedlichen Verhältnissen.
ChemInform Abstract: Syntheses of α‐Phenylneopentyl Chloride Enantiomers: (S)‐(‐)‐1‐Chloro‐ 1‐phenyl‐ 2,2‐dimethylpropane from (R)‐(+)‐1‐Phenyl‐2,2‐dimethyl‐1‐propanol via the Reaction of Tri‐n‐butylphosphine in Carbon Tetrachloride and (R)‐(+)‐1‐Chloro‐1‐phenyl‐2,2‐dimethylpropane from Anthranilic Acid.
Authors: ZIEGER H. E. , BRIGHT D. A. , HAUBENSTOCK H.
Published: May 2016

Der (R)‐konfigurierte Alkohol (II) reagiert mit Tributylphosphin/Tetrachlormethan unter Inversion zum S‐konfigurierten Chlorid (III), aus dem mit Benzhydryl‐lithium (VI) der (R)‐Kohlenwasserstoff (VII) hergestellt wird.
ChemInform Abstract: Studies of Stereochemical Control Using α‐Lithiosulfinyl Carbanions.
Authors: WILLIAMS D. R. , PHILLIPS J. G. , WHITE F. H. , HUFFMAN J. C.
Published: May 2016

The lithiosulfinyl carbanions generated from the readily obtainable sulfoxides (I), (V), (VIII) react with benzaldehyde (III) to give the products shown in the scheme, e.g. (IIa)+(IIb) from (Ia), (IVa)‐(IVc) from (Ib) [similar products are obtained from (Ic), (Id)] major products (VIa), (VIc) + minor products (VIb), (VId) from (Va) [analogous products (VII) are formed from (Vb)], (IXa) or (IXb) from (VIIIa) or (VIIIb), respectively.
ChemInform Abstract: Diels‐Alder Cycloaddition Reactions of Cyclopropenone Ketals. Dual Participation in Inverse Electron Demand (LUMO Controlled) and Normal (HOMO Controlled) Diels‐Alder Reactions.
Authors: BOGER D. L. , BROTHERTON C. E.
Published: May 2016

The cyclopropenone derivative (II) can be employed in both types of Diels‐Alder reactions specified in the title, as demonstrated by the conversions of electron‐deficient [(Ia)‐(Ic)], electron‐rich [(Id), (Ie)] and neutral dienes [(IV), (VI), (VIII)] to the corresponding [4 + 2] cycloadducts.
ChemInform Abstract: Rearrangement of Nitrone Cycloadducts to Methylene Cyclopropane.
Authors: BRANDI A. , GUARNA A. , GOTI A. , DE SARLO F.
Published: May 2016

Aus den Nitronen (I), (VII) und (Xb) werden mit Methylencyclopropan (II) isomere Addukte (III) und (IV), (VIII) und (IX) bzw. (XII) und (XIII) gebildet, von denen sich jeweils die letztere Verbindung zu Aminoketonen wie (V), (Xa) bzw. (XIV) umlagert.
ChemInform Abstract: Isobenzofuran‐Aryne Cycloadducts: Formation and Regioselective Conversion to Anthrones and Substituted Polycyclic Aromatics.
Authors: NETKA J. , CRUMP S. L. , RICKBORN B.
Published: May 2016

Das aus dem semicyclischen Acetal (I) in situ hergestellte Isobenzofuran (II) reagiert mit den aus Halogenaromaten, z.B. (III), und Lithiumtetramethylpiperidid (LTMP) gleichfalls in situ generierten Arinen, z.B. (V), in einer Eintopfreaktion zu den entsprechenden Cycloaddukten, z.B. (IV).
ChemInform Abstract: Facile Selective Aminolysis of Phenolic Benzoates with 1‐Butanamine in Benzene.
Authors: BELL K. H.
Published: May 2016

Die Benzoate (I) reagieren selektiv mit Butylamin (II) zu den entsprechenden freien Phenolen (III) und dem Amid (IV), während aliphatische Estergruppen nicht angegriffen werden.
ChemInform Abstract: Reductive Cyclizations of Allenic Ketones by Dissolving Metals.
Authors: CRANDALL J. K. , MUALLA M.
Published: May 2016

Das Allen‐keton (I) wird mit verschiedenen Metallverbindungen in unterschiedlichen Ausbeuten zu cyclischen (II) und (III) sowie acyclischen Reduktionsprodukten (IV)‐(VI) reduziert.
ChemInform Abstract: Reaction of the 2‐Nitroenamine in Acid.
Authors: KROWCZYNSKI A. , KOZERSKI L.
Published: May 2016

Das Nitroenamin (Ia) lagert sich in Schwefelsäure zum Amidoxim (III) um.
ChemInform Abstract: Photoinduced Reactions. Part 167. Selective Deoxygenation of Secondary Alcohols by Photosensitized Electron‐Transfer Reaction.
Authors: SAITO I. , IKEHIRA H. , KASATANI R. , WATANABE M. , MATSUURA T.
Published: May 2016

The selective deoxygenation of sec. alcohols can be achieved by sensitized photolysis of appropriate benzoate esters.
ChemInform Abstract: Synthesis of Homoadamantano[4,5‐d]imidazoles via Photochemical Ring Transformation.
Authors: EGUCHI S. , ASAI K. , SASAKI T.
Published: May 2016

Das Homoadamantandion (II) kondensiert mit den Ethylendiaminen (Ia) bis (Id) zu den Dihydropyrazinen (III), Diaminopropionsäureester (Ie) und (II) führen hingegen zum Pyrazin (IV).
ChemInform Abstract: Stereochemistry of Additions of m‐Quinomethane to Olefins and Acyclic Dienes.
Authors: INGLIN T. A. , BERSON J. A.
Published: May 2016

The m‐quinomethane biradical (II) ‐ generated by pyrolysis or photolysis of (I) ‐ adds to the cis‐ or trans‐olefins (III) to give the phenolic indans (IV)‐(VII) und‐er retention of configuration by a factor of 13‐ 17 for the cis and of 100 for the trans‐compounds.
ChemInform Abstract: The Conversion of Primary Alcohols to the Corresponding Aldehydes by a Modified Lead Tetraacetate Oxidation.
Authors: MIHAILOVIC M. LJ. , KONSTANTINOVIC S. , VUKICEVIC R.
Published: May 2016

Aus den A1koho1en(I) erhält man durch Oxidation mit Bleitetraacetat und Mangandiacetat die Aldehyde (II) in guten Ausbeuten.
ChemInform Abstract: Titanium Trichloride Mediated Reductions of Nitrostyrenes.
Authors: SERA A. , FUKUMOTO S. , YONEDA T. , YAMADA H.
Published: May 2016

Die Nitroolefine (I) i liefern bei der Reduktion mit TiCl3 in Abhängigkeit vom Molverhältnis der Komponenten und den Reaktionsbedingungen Gemische der Pyrrole (II) mit den Carbonylverbindungen (III), den Oximen (IV) sowie den Divinylaminen (V).
ChemInform Abstract: Mild Catalytic Hydrogenation of Carbon‐Carbon Multiple Bonds (Alkenes, Alkynes and Aromatic Rings) Using Raney Nickel without Hydrogen Gas.
Authors: POJER P. M.
Published: May 2016

Die Alkene (I), (III), (V), (VII), die Alkine (X) bzw. die Aromaten (XI) reagieren mit Raney‐Nickel in Tetrahydrofuran oder Wasser in teilweise sehr guten Ausbeuten zu den entsprechenden gesättigten Verbindungen (II), (IV), (VI), (VIII), (IX) und (XII).
ChemInform Abstract: The Iodination of Aromatic Substrates on Alumina.
Authors: BOOTHE R. , DIAL C. , CONAWAY R. , PAGNI R. M. , KABALKA G. W.
Published: May 2016

Die Benzol‐Derivate (I) werden über Aluminiumoxid zu den Verbindungen (II) jodiert.
ChemInform Abstract: The Formation and Alkylation of α‐Ketoamide Dianions.
Authors: KOFT E. R. , WILLIAMS M. D.
Published: May 2016

Aus den Ketoamiden (I) entstehen über die Enolate (II) und die Dianionen (III) mit den Alkylierungsmitteln (IV) die Monoalkylverbindungen (V).
ChemInform Abstract: Reactions of Stoichiometric Higher Order, Mixed Lithio Magnesio Organocuprates.
Authors: LIPSHUTZ B. H. , PARKER D. A. , NGUYEN S. L. , MCCARTHY K. E. , BARTON J. C. , WHITNEY S. E. , KOTSUKI H.
Published: May 2016

The reactions of the title Compounds (I) are compared with those of the dilithio analogues (II) and of the lower‐order cuprates (III).
ChemInform Abstract: CH3Li/TiCl4: A Non‐Basic and Highly Selective Grignard Analogue.
Authors: REETZ M. T. , KYUNG S. H. , HUELLMANN M. +
Published: May 2016

The reaction of either (II) or (III) with (IV) in ether yields the title reagent (Ia), existing in equilibrium with its mono‐ and bis‐etherates.
ChemInform Abstract: Rearrangement of Benzylically Lithiated Methylaryl Alkyl Sulfones.
Authors: MADAJ E. J. JUN. , SNYDER D. M. , TRUCE W. E.
Published: May 2016

Lithiation of the methylphenyl tert‐butyl sulfone (I) is followed by migration of the alkyl from sulfur to the benzylic carbon and methylation to give the rearranged sulfone (III).
ChemInform Abstract: Diastereo‐ and Enantioselective Preparation of β‐Alkylhomoallylic Alcohols.
Authors: KOBAYASHI Y. , KITANO Y. , TAKEDA Y. , SATO F.
Published: May 2016

The four desired stereoisomeric alcohols (VI)‐(IX) are available in an efficient manner from the epoxides (I) as indicated in the scheme.
ChemInform Abstract: Characterization of Monomeric Thiopivaldehyde
Authors: VEDEJS E. , PERRY D. A. , WILDE R. G.
Published: May 2016

The title compound (IV) which is the first aliphatic thioaldehyde to be observed under ordinary laboratory conditions can be prepared by treatment of the solid polymer (II) with a small Bunsen flame; the polymer (II),in turn, is obtained from the phenacylsulfide (I) by irradiation (the added dimethylbutadiene effects improvement of the yield).