bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Deprotonation of Chelating Enamines. Direct Formation of β‐Lithio Enamines.
Authors: STORK G. , SHINER C. S. , CHENG C.‐W. , POLT R. L.
Published: May 2016

Contrary to expectations, deprotonation of (I) or (IV) from the vinyl or β‐position occurs instead of abstraction of allyl or α‐protons.
ChemInform Abstract: Electrophilic and Nucleophilic Character of the Carbon 10 Methylene Group in Mitosenes Revealed.
Authors: ZEIN N. , KOHN H.
Published: May 2016

With the intention of elucidating the mechanism of l0 alkylation in mitomycin analogues, (I) is treated with H2 or D2 in methanolic solution.
ChemInform Abstract: Diisopinocampheylchloroborane, a Remarkably Efficient Chiral Reducing Agent for Aromatic Prochiral Ketones.
Authors: CHANDRASEKHARAN J. , RAMACHANDRAN P. V. , BROWN H. C.
Published: May 2016

Die prochiralen aromatischen Ketone (V) werden durch die im Titel genannte Verbindung (IV) in guten Ausbeuten und meist hoher optischer Reinheit zu den (Sykon?gurierten Alkoholen (VII) reduziert.
ChemInform Abstract: Enantioface‐Differentiating Hydrogenation of 2‐Alkanones over Modified Raney‐ Nickel.
Authors: OSAWA T.
Published: May 2016

Die Methylalkylketone (I) lassen sich an mit Weinsäure(II) und NaBr modifiziertem Raney‐Nickel in Gegenwart von Pivalinsäure (III) in hohen Ausbeuten zu den optisch aktiven sekundären Alkoholen (IV) hydrieren.
ChemInform Abstract: Reduction of Aromatic Nitro Compounds with Sodium Telluride.
Authors: SUZUKI H. , MANABE H. , INOUYE M.
Published: May 2016

Die Nitrobenzole (I) lassen sich mit Natriumtellurid, das in situ aus Rongalit (II) mit Tellur durch Erhitzen in wäßrigem Natriumhydroxid gebildet wird, schonend zu den Anilinen (III) reduzieren.
ChemInform Abstract: Reductive Debenzylation of 1‐Benzylnaphthalene by a Na‐K Alloy.
Authors: CHAMBERS R. R. JUN. , COLLINS C. J. , MAXWELL B. E.
Published: May 2016

Die Reduktion von Benzylnaphthalin (I) durch Na‐K‐Legierung wird untersucht, und es werden u.a. Tetralin (II) und Toluol (III) isoliert.
ChemInform Abstract: Benzopyrans. Part 20. 4‐Oxo‐4H‐[1]benzopyran‐3‐carbonitrile/Carboxylic Acid: Change of Their Reaction Courses by a Methyl Substituent at 2‐Position.
Authors: GHOSH C. K. , PAL C.
Published: May 2016

Während die Benzopyrane (Ia) mit Phenylhydrazin (IV), wie bereits bekannt, zu den Pyrazolen (III) reagieren, erhält man aus den Methylderivaten (Ib) und (IV) die Verbindungen (V).
ChemInform Abstract: Fluoroheterocumulenes. Part 22. Synthesis and Reactions of Fluorine‐ Containing N‐ Acylimidoylfluorides.
Authors: DEL'TSOVA D. P. , ZEIFMAN YU. V. , GAMBARYAN N. P.
Published: May 2016

Durch Umsetzung von Perfluorisobuten (I) mit Per?uorpropylisocyanat (II) in Gegenwart von Cäsiumfluorid und anschließende Behandlung des Reaktionsgemisches mit Bortrifluorid‐Etherat erhält man über anionische Zwischenstufen Gemische des Imidoylfluorids (III) mit dem Isocyanat (IV).
ChemInform Abstract: Regio‐ and Stereoselective Coupling Reaction of Grignard Reagents with β‐Phenylthio β,γ‐Unsaturated Alkohols Using Tetrachlorosilane.
Authors: FUJIWARA T. , YANAGIHARA H. , YAMADA T. , SUZUKI K. , TAKEDA T.
Published: May 2016

Die Alkylthioallylalkohole (I) liefern mit SiCl4 die Trichlorsilylether (II), welche mit den Grignard‐Verbindungen (III) zu den isome‐ 58 ren Vinylsulfiden (IV) und (V) reagieren.
ChemInform Abstract: Cyclopentadienyl Magnesium and Sodium Derivatives in the Cross‐Coupling Reaction with Allyl Compound Catalyzed by Pd‐Complexes.
Authors: DZHEMILEV U. M. , IBRAGIMOV A. G. , GRIBANOVA E. V. , KHALCHOV L. M.
Published: May 2016

Cyclopentadienylmagnesiumbromid (I) reagiert mit den Allylverbindungen (II) unter Katalyse von Palladium‐Komplexen zu Gemischen der isomeren Allyl‐cyclopentadiene (III) und (IV).
ChemInform Abstract: S‐(Alkylsulfonyl)salicylanilides as Potential Dental Antiplaque Agents.
Authors: CLARK M. T. , COBURN R. A. , EVANS R. T. , GENCO R. J.
Published: May 2016

Salicylsäure (I) ergibt über die Sulfone (II) die Amide (III), die auf antibakterielle Aktivität und Wirkung gegen Plaque, hervorgerufen durch Actinomyces viscosus und Streptococcus mutans im Dentalbereich, untersucht werden.
ChemInform Abstract: Synthesis and Structure‐Activity Relationships of Naftifine‐Related Allylamine Antimycotics.
Authors: STUETZ A. + , GEORGOPOULOS A. , GRANITZER W. , PETRANYI G. , BERNEY D.
Published: May 2016

β,γ‐Ungesättigte Amine wie (VII)‐(X) werden synthetisiert und auf antimykotische Wirkung geprüft, wobei das bereits bekannte Naftifin (Xb) als Vergleich dient.
ChemInform Abstract: Photochemical Synthesis of 1‐Azabicyclobutanes.
Authors: BARTNIK R. , CEBULSKA Z. , LAURENT A. , ORLOWSKA B.
Published: May 2016

The aziridine alcohol (IIId) is prepared from (I) by twofold Grignard reaction; the other compounds (III) are known.
ChemInform Abstract: Reagents for Organic Synthesis. Part 4. Group 14 Metal Assisted Carbon‐ Sulfur Bond Formation.
Authors: STELIOU K. , SALAMA P. , CORRIVEAU J.
Published: May 2016

0‐Xylylenbromid (I) reagiert mit Bis‐trimethylsilyl‐sul?d (II) unter Zusatz von Methyllithium zum cyclischen Sulfid (III), analog werden aus (V) die Sulfide (VI) und aus den o;‐Bromalkyl‐carbonsäurechloriden (VII) mit (II) und Triethyllithiumboranat die Thiolactone (VIII) hergestellt.
ChemInform Abstract: Cyclophilic Reactions of Allene‐1,3‐dicarboxylic Esters. Part 4.
Authors: ONWUYALI E. I. , SCHEINMANN F.
Published: May 2016

The addition of 1,2‐diphenylhydrazine to the dicarboxylate (I) in refluxing toluene affords the compounds (II)‐(IV).
ChemInform Abstract: Identification of Isomers by 2D‐INADEQUATE NMR: Synthesis and Antibacterial Activity of 5‐Acetyl‐4‐aryl‐6‐hydroxy‐3,6‐dimethyl‐4,5,6,7‐tetrahydro‐2,1‐benzisoxazoles.
Authors: PRAMEELA B. , RAJANARENDAR E. , SHOOLERY J. N. , MURTHY A. K.
Published: May 2016

Die Tetrahydrobenzisoxazole (V) werden auf dem beschriebenen Weg dargestellt (keine Ausb.‐Angaben) und ihre Strukturen eindeutig durch das im Titel genannte Verfahren bestätigt.
ChemInform Abstract: Heterocyclic Systems Containing Bridgehead Nitrogen Atom. Part 48.
Authors: NARAYAN S. , HANDA R. N. , PUJARI H. K.
Published: May 2016

Die ausgehend von dem Thiosemicarbazid (I) erhaltenen Triazole (IV) lassen sich nach A) leicht cyclisieren.
ChemInform Abstract: 3‐Arylideneflavanones. Part 1. Reactions with Nucleophilic Reagents.
Authors: KAMECKI J. , PERKA W. , PIJEWSKA L.
Published: May 2016

The unknown starting compound (II Ic) is prepared from (I) and (II).
ChemInform Abstract: Isomeric w‐Carboxyalkylpyridones from 5,6,7,8‐Tetrahydro‐1,3‐dimethyl‐8‐oxochinolinium Iodide.
Authors: VON DER LIPPE G. , WEBER H.
Published: May 2016

The Decker oxidation of the title compound (IV) yields the isomeric pyridones (V) and (VI), whereas the oxidation of (VII) with [Fe(CN)6]3′ gives (V) as the unique product.
ChemInform Abstract: Pyridines and 5H‐[1]Benzopyrano[3,4‐c]pyridines Derived from Halochalcones.
Authors: LATIF N. , MISHRIKY N. , HAGGAG B. , BASYOUNI W.
Published: May 2016

Die Chalkone (Ia) und (Ib) reagieren mit dem Dinitril (II) nach A) unter Bildung der Pyridine (III), während (Ic) unter der gleichen Bedingung das anellierte Pyridin (IV) ergibt.
ChemInform Abstract: Synthesis of Alky1‐Substituted Arecoline Derivatives as γ‐Aminobutyric Acid Uptake Inhibitors.
Authors: MUELLER‐URI C. + , SINGER E. A. , FLEISCHHACKER W.
Published: May 2016

Arecolin (I) wird über das Li‐enolat (II) in die Substitutionsprodukte (III) und die Diencarbonsäuren (VII) umgewandelt, deren inhibierende Wirkung auf die Aufnahme von Tritium‐markierter γ‐Aminobuttersäure (3H‐GABA) durch 93 die Synaptosomen ungersucht wird.
ChemInform Abstract: Potential Antitumor Agents. Part 45. Synthesis, DNA‐Bindung Interaction and Biological Activity of Triacridine Derivatives.
Authors: ATWELL G. J. , BAGULEY B. C. , WILMANSKA D. , DENNY W. A.
Published: May 2016

Ausgehend von den Diaminen (I) erhält man die Diamide (IV), die auf Antitumor‐Wirkung geprüft werden.
ChemInform Abstract: Studies in SRN1 Series. Part 14. Direct Synthesis of Benzo[c]phenanthridines and Benzo[c]phenanthridones via SRN1 Reactions.
Authors: BEUGELMANS R. , CHASTANET J. , GINSBURG H. , QUINTERO‐CORTES L. , ROUSSI G.
Published: May 2016

Die Benzaldehyde (I) werden nach Wittig zu den Olefinen (III) kondensiert, zu (IV) hydriert und dann mit Lewissäure cyclisiert, wobei z.Tl. gleichzeitig oder anschließend durch Umsetzung mit Isopropylbromid eine Modifizierung der Seitengruppen erfolgt.
ChemInform Abstract: Synthesis of Novel Crown Ether Incorporating the (‐)‐(5S,6R,13S,14R)‐ 5,6,13,14‐Tetrahydro‐5,13‐methanocycloocta[1,2‐a:5,6‐a′]dinaphthalene‐ 6,14‐diol Subunit as the C2‐Symmetric Chiral Center.
Authors: NAEMURA K. , FUKUNAGA R.
Published: May 2016

Der β‐Naphthylessigsäuremethylester (I) läßt sich mit Dimethyloxalat (II) und Methyleniodid (III) zum Tetracarbonsäureester (IV) kuppeln, dessen verseifende Decarboxylierung die Bis‐ß‐naphthylglutarsäure (V) zugänglich macht.
ChemInform Abstract: Macrobicyclic Aminoethers with Twelve‐membered Rings.
Authors: ALFHEIM T. , BUOEEN S. , DALE J. , KRAUTWURST K. D.
Published: May 2016

Reaction of ethane‐ 1,2‐diamine (I) with triethylene glycol ditosylate (II) gives the bicyclic compound (IVa) as major product and not the expected 12‐ring (Vb).
ChemInform Abstract: Enantiomeric (Z)‐ and (E)‐Crotyldiisopinocampheylboranes. Synthesis in High Optical Purity of All Four Possible Stereoisomers of β‐Methylhomoallyl Alcohols.
Authors: BROWN H. C. , BHAT K. S.
Published: May 2016

The metalation of cis‐2‐butene (I) and the treatment of the resulting (Z)‐crotylpotassium with methoxydiisopinocampheylbotane [derived from (‐ )‐oL‐pinene] yields the "ate" complex (III), which is converted to the optically active (Z)‐crotylborane (IV) as shown in the scheme.
ChemInform Abstract: Diisopropyl Tartrate Modified (E)‐Crotylboronates: Highly Enantioselective Propionate (E)‐Enolate Equivalents.
Authors: ROUSH W. R. , HALTERMAN R. L.
Published: May 2016

The optically active, isomerically pure (E)‐crotyl boronates (+)‐(III) and (‐ )‐(III) are prepared as shown in the schema Starting from (E)‐2‐butene (I) via the (E)‐crotylboronic acid (II) by esterification with (‐ )‐ or (+)‐diisopropyl tartrate, respectively.
ChemInform Abstract: Boron ‐ Nitrogen Compounds. Part 108. Triply Bridged Diboron Species of the Pyrazabole Type.
Authors: BIELAWSKI J. , NIEDENZU K.
Published: May 2016

Triboroxins (I) react with pyrazole to yield the pyrazaboles (II) in which the two Batoms are further bridged by an O ‐ BR′ Ä‐ Olink.
ChemInform Abstract: Action of Electrophilic Reagents on 9‐Ethynyl‐o‐ and 9‐Ethynyl‐m‐carboranes.
Authors: ZAKHARKIN L. I. , KOVREDOV A. I. , OL'SHEVSKAYA V. A.
Published: May 2016

9‐Ethinyl‐o‐carboran (I) reagiert mit Chlorwasserstoff über die Chlorvinylverbindung (II) zu der Dichlorethylverbindung (III).
ChemInform Abstract: Organoboron Compounds. Part 422. On the Bromination of 9‐Isopropyl‐9‐ borabicyclo[3.3.1]nonane.
Authors: MIKHAILOV B. M. , SHCHEGOLEVA T. A. , SHASHKOVA E. M. , KISELEV V. G.
Published: May 2016

Durch Bromierung des Borabicyclononans (I) und anschlie‐ βende oxidative Aufarbeitung erhält man in Abhängigkeit von den Bromierungsbedingungen unterschiedliche Gemische der Produkte (II)‐(V).
ChemInform Abstract: Reaction of Substituted Acetophenones with Pentafluorophenyltriphenylsilane und Related Compounds Under Nucleophilic Catalysis.
Authors: VYAZANKINA O. A. , GOSTEVSKII B. A. , VYAZANKIN N. S.
Published: May 2016

Das enolisierbare Pentafluoracetophenon (I) reagiert mit dem Silan (II) in Gegenwart des KCN‐Komplexes (III) zu dem Enolether (IV).
ChemInform Abstract: Organosilicon(IV) O,O‐Alkylenedithiophosphates.
Authors: RAO R. J. , SRIVASTAVA G. , MEHROTRA R. C.
Published: May 2016

The title compounds (III) synthesized as volatile, oily liquids as shown appear to be tetrahedral, the ligand behaving as unidentate.
ChemInform Abstract: Diastereoselective Synthesis of 2,3‐Epoxyalkylphosphonates and Phosphinates by Epoxidation.
Authors: NAGASE T. , KAWASHIMA T. , INAMOTO N.
Published: May 2016

Die optisch reinen Allylphosphonsäureester (I) lassen sich mit m‐ Chlorperbenzoesäure in.
ChemInform Abstract: Stereospecific Synthesis of Divinyl Selenides. Nucleophilic substitutions of Unactivated Vinyl Halides by Vinyl Selenide Anions.
Authors: TESTAFERRI L. , TIECCO M. , TINGOLI M. , CHIANELLI D.
Published: May 2016

Vinyl alkyl selenides, such as (I) and (V), can be dealkylated by nucleophilic Substitution or by electron transfer to give vinyl selenide anions [e.g.
ChemInform Abstract: Preparation of α‐Arylseleno Carbonyl Compounds with the Aid of Morpholinoareneselenenamides.
Authors: LEROUGE P. , PAULMIER C.
Published: May 2016

Die Arenselenenmorpholide (III) können mit einer Reihe von Substanzklassen umgesetzt werden, wobei die Titelverbindungen (V), (XI), (XIII), (XV), (XIX) und (XXI) entstehen.
ChemInform Abstract: New [Fe6S6Cl6(Mo(CO)3)2]n‐ Clusters (n: 3, 4). Derivatives of Either [Fe6S6Cl6]3‐ or [Fe4S4Cl4]2‐ with Possible Relevance to the Fe/Mo/S Center in Nitrogenase.
Authors: KANATZIDIS M. G. , COUCOUVANIS D.
Published: May 2016

Der Titelcluster (n: 4) wird wie aufgezeichnet durch Umsetzung des Mo‐Komplexes (I) mit dem Tetraethylammoniumsalz des sechskernigen Clusters (II) oder dem Tetraphenylphosphoniumsalz des Vierkernclusters (III) gebildet und als entsprechende Salze (IVa) bzw. (IVb) isoliert.
ChemInform Abstract: The Reaction of (Dicarbonyl)(η5‐cyclopentadienyl)cobalt with Bis(trimethylsilyl)ethyne.
Authors: FRITCH J. R. , VOLLHARDT K. P. C.
Published: May 2016

The reaction of (I) with (IIa) (containing some (IIb) as an impurity) in a nitrogen‐flushed boiling medium over several days produces a mixture of products.
ChemInform Abstract: Binuclear Rhodium(I) Complexes of Aromatic Azines and Crystal Structure of Salicylaldazinotetracarbonyldirhodium, C18H10N2O6Rh2.
Authors: GOPINATHAN S. , PARDHY S. A. , GOPINATHAN C. , PURANIK V. G. , TAVALE S. S. , ROW T. N. G.
Published: May 2016

Reaction of the complex (I) or (IV) with (IIa) yields the derivatives (IIIa) or (IIIc).
ChemInform Abstract: Complexes of Binucleating Ligands. Part 18. Complexes Incorporating Two Independent Species at a (Pd(II)), Site Normally Occupied by a Bridge.
Authors: CROSSLEY T. E. , HOSKINS B. F. , MCDONALD I. A. S. , ROBSON R.
Published: May 2016

In an attempt to obtain a N,Cbridged Complex with ethyl glycinate (I) in CHCl3 was treated with an aqueous solution of glycine ethyl ester hydrochloride (20°C, 20 h).
ChemInform Abstract: Synthesis and X‐Ray Crystal Structure of the Stable Paramagnetic Dihydrido Complex Ir(H)2(Cl)2(P‐iPr3)2.
Authors: MURA P.
Published: May 2016

Ammonium hexachloroiridate reacts with an excess of triisopropylphosphine in refluxing ethanol (containing conc.
ChemInform Abstract: Reversible Transformation of 10‐P‐3 ADPO to an 8‐P‐3 ADPO · PtI2 Adduct.
Authors: ARDUENGO A. J. III. , STEWART C. A. , DAVIDSON F.
Published: May 2016

The reaction of 2 equiv of (I) with the Pt diiodide (II) provides the complex (III).
ChemInform Abstract: Mechanism of Reaction of Zeise′s Salt with β‐Alanine. Crystal and Molecular Structure of trans‐(N,Olefin)[Pt(C2H4)(β‐alaninato)Cl].
Authors: CAVOLI P. , GRAZIANI R. , CASELLATO U. , UGUAGLIATI P.
Published: May 2016

Kinetic and mechanism of the title reaction yielding the title complex (III) are studied by spectrophotometrical method.
ChemInform Abstract: Syntheses of Functional Anthraquinone Dyes from Tetrafluorophthalic Anhydride.
Authors: KIM S. H. , MATSUOKA M. , YODOSHI T. , KITAO T.
Published: May 2016

The dyes (III), (Va), (Vb), (IXa), (IXb) and (X), synthesized starting from the phthalic anhydride (I) (which is available as a new industrial raw material), produced large bathochromic shifts (AÄ up to more than 100 nm) compared with the corresponding parent dyes.
ChemInform Abstract: Efficient Synthesis of Some 2‐Oxaspiro[3,5]nona‐1‐ones as Anisatin Models.
Authors: KATO M. , KITAHARA H. , YOSHIKOSHI A.
Published: May 2016

(KA‐ T0, M.; KITAHARA, H.; YOSHIKOSHI , A.; Chem.
ChemInform Abstract: Methods for Indole Alkaloid Synthesis. Enantiospecific Synthesis of Pentacyclic Desethylaspidosperma‐Type Alkaloids Using an Exceptionally Mild Retro‐Diels‐Alder Reaction.
Authors: MAGNUS P. , CAIRNS P. M.
Published: May 2016

Photooxidation of 2‐furoic acid (I) gives (II), which on treatment with cyclopentadiene (III) yields (±)‐(IV).
ChemInform Abstract: Synthesis of N‐Acetyl‐(1R,5R)‐6‐aza‐2‐oxabicyclo[3.3.0]octan‐3‐one.
Authors: GURJAR M. K. , PATIL V. J.
Published: May 2016

Das aus D‐ Glucose zugängliche Iodid (I) wird auf dem beschriebenen Weg durch bekannte Verfahren in den Heterobicyclus (V) übergeführt (keine Ausb.‐Angaben).
ChemInform Abstract: High‐Resolution Solid‐State 29Si NMR Spectroscopic Studies of Synthetic Sodium Silicate Hydrates.
Authors: SCHWIEGER W. , HEIDEMANN D. , BERGK K.‐H.
Published: May 2016

The title method has been used to study the structure of the silicate layers in three sodium silicate hydrates (SiO2/Na2O molar ratios of 8, 14, and 20, resp.).
ChemInform Abstract: Effect of Sulphur Doping on the Electrical Properties of γ‐Mo4O11 Crystals.
Authors: INOUE M. , UEDA Y. , NEGISHI H. , SASAKI M. , OHBA T. , KITANO Y. , KOMURA Y.
Published: May 2016

Samples of γ‐Mo4O11 crystals are prepared by a chemical vapour transport technique starting from two different mixtures (MoO2:MoO3 = 1:3 and MoS2:MoO3 = 1:9) and electrical resistivities, Hall coefficients and magnetoresistances are measured.
ChemInform Abstract: Some Electrical Properties of Praseodymium Oxide Films Produced by Oxidation of Thin Metal Films.
Authors: ARAKAWA T. , KABUMOTO A. , SHIOKAWA J.
Published: May 2016

Oxidized praseodymium oxide thin films are shown to exhibit a decrease in the electrical resistivity under O2 atmosphere above 330°C. From the Variation of the electrical resistivity as a function of O2 partial pressure it is concluded, that the thin film acts as a p‐type semiconductor above 630°C and as an n‐type semiconductor at 400‐630°C. Around 630°C a break in the log σ/T‐1 plot is observed.
ChemInform Abstract: Preparation and Crystal Structure of the New Compound Sr4Bi6Se13.
Authors: CORDIER G. , SCHAEFER H. + , SCHWIDETZKY C.
Published: May 2016

The title Compound has been prepared directly from the elements (Sr:Bi :Se = 1 22:4).
ChemInform Abstract: Nucleophilic Substitution of Alkyliodines via Oxidative Ligand Transfer.
Authors: MACDONALD T. L. , NARASIMHAN N.
Published: May 2016

Die Aryl‐iod(III)‐Derivate (I) reagieren mit den Iodiden (II) über die Zwischenstufen (III) in glatter Reaktion zu den Substitutionsprodukten (IV).
ChemInform Abstract: Studies in the Regioselectivity of the Vinylogous Reformatsky Reaction with Ambident Electrophiles: Reversibility, Mechanism and Synthetic Utility.
Authors: HUDLICKY T. , NATCHUS M. G. , KWART L. D. , COLWELL B. L.
Published: May 2016

Ungesättigte Ketone (I) reagieren mit dem aus 4‐Bromcrotonsäureethylester erhältlichen Reformatskii‐Reagens (II) zu den verschiedenen Addukten (III)‐(VI), die z.Tl. ineinander umgewandelt werden.
ChemInform Abstract: Unusual Conversion of Glycerol Trivinyl Ether in the System KOH/DMSO/Ethyne.
Authors: TROFIMOV B. A. , MALYSHEVA S. F. , VYALYKH E. P.
Published: May 2016

The title compound (I) is transformed to the propene derivative (II) and the dioxolane (III) only in the presence of ethyne.
ChemInform Abstract: Photochemical Conversion of Sulfonium Salts to Sulfides via a 1,3‐Sigmatropic Rearrangement.
Authors: SAEVA F. D. , MORGAN B. P. , LUSS H. R.
Published: May 2016

Aus den Sulfoniumsalzen (I) entstehen bei der Photolyse in Acetonitril die Naphthyl‐methyl‐sul?de (II) und (III) neben den Acetamiden (IV).
ChemInform Abstract: Oxidation of Aldehyde Semicarbazones with Lead Dioxide: Application to the Syntheses of 2‐Amino‐1,3,4‐oxadiazoles and 2,4‐Dihydro‐1,2,4‐triazol‐3‐ones.
Authors: NGUYEN T.‐H. , MILCENT R. , BARBIER G.
Published: May 2016

Aus den Aldehyd‐semicarbazonen (I) entstehen bei der Oxidation mit Bleidioxid die Oxadiazole (II).
ChemInform Abstract: Arylation of Aromatic Heterocycles with Arenes and Palladium(II) Acetate.
Authors: ITAHARA T.
Published: May 2016

Die Arylierung der aromatischen Heterocyclen (I), (VII) und (XII) in Gegenwart von Palladiumacetat in Essigsäure führt zu den mono‐ (III), (IV), (IX) und (XIII) und den diarylierten Heterocyclen (VIII).
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 208. Oxidative Cleavage of Silicon‐ Carbon Bond with Trimethylamine‐N‐oxide.
Authors: SAKURAI H. , ANDO M. , KAWADA N. , SATO K. , HOSOMI A.
Published: May 2016

Si‐C‐Bindungen in (I) werden mit Trimethylamin‐N‐oxid (II) gespalten, wobei die Alkohole (III) erhalten werden.
ChemInform Abstract: Synthesis of α‐Aminoacids by Catalytic Palladium(0) Alkylation of Schiff Bases.
Authors: FERROUD D. , GENET J. P. , KIOLLE R.
Published: May 2016

Das Iminnatriumsalz (I) wird mit den Allylderivaten (IIa) und (IIb) in Gegenwart von Pd(O)‐Verbindungen zu (III) substituiert und dann zu den ungesättigten Ami‐ nosäuren (IV) hydrolysiert.
ChemInform Abstract: Synthesis of Geminally Disubstituted Ethylenic and Acetylenic Derivatives of Cyclopropane from 1,1‐Diacylcyclopropane.
Authors: ZEFIROV N. S. , KOZHUSHKOV S. I. , KUZNETSOVA T. S. , GLEITER R. , ECKERT‐MAKSIC M.
Published: May 2016

The title compounds (III), (IX) to (XI) and (XIV) to (XVIII) are of theoretical and preparative interest because they contain a doubly substituted quarternary carbon atom in a sterically strained system and because they may be useful for the preparation of various derivatives.
ChemInform Abstract: Trialkylaluminum‐Alkylidene Iodide. A Powerful Cyclopropanation Agent with Unique Selectivity.
Authors: MARUOKA K. , FUKUTANI Y. , YAMAMOTO H.
Published: May 2016

Zur Cyclopropanierung von Olefinen werden Kombinationen aus Diiodalkanen (II) und Organo‐Aluminiumverbindungen (III) eingesetzt, die entsprechenden Cyclopropane werden in zumeist hohen Ausbeuten erhalten.
ChemInform Abstract: Synthesis and Reduction of the Oxime of Tricyclo[4.3.3.03,7]nonan‐5‐one.
Authors: ORDUBADI M. D. , GEVORKYAN G. G. , PEKHK T. I. , BEREZKINA O. V. , BELIKOVA N. A.
Published: May 2016

The reduction of the oxime (II) of the title compound (I) with LiAlH4 in various ethers at reflux, i.e. at various temp., gives a mixture of the expected amines (III) and (IV) together with the hitherto unknown aza compound (V).
ChemInform Abstract: Palladium Catalyzed Reactions of Propionate Homoenolate. Arylation, Vinylation and Acylation.
Authors: NAKAMURA E. , KUWAJIMA I.
Published: May 2016

Aus den Cyclopropanon‐acetalen (I) werden die Zink‐Derivate (II) hergestellt, die in Gegenwart verschiedener Nickel‐ bzw. Palladium‐Komplexkatalysatoren (IV) mit Arylhalogeniden (III) zu den Arylpropionsäureestern (V) umgesetzt werden können.
ChemInform Abstract: Novel Oxidative Coupling of Monophenols in the System of Cupric Chloride‐Oxygen‐Alcohol.
Authors: TAKIZAWA Y. , MUNAKATA T. , IWASA Y. , SUZUKI T. , MITSUHASHI T.
Published: May 2016

Die Oxidation von Phenolen wie (I), (V), (VIII) oder (XI) mit Sauerstoff in Gegenwart äquimolarer Mengen Cu(II)‐chlorid zu den angegebenen Oxidations‐ und Kupplungsprodukten wird untersucht und diskutiert.
ChemInform Abstract: Cyclization of Ethyl Ylidenecyanoacetates to Carbocyclic o‐Aminoesters.
Authors: SEPIOL J.
Published: May 2016

Condensation of (I) with ethyl cyanoacetate (II) using piperidine acetate/acetic acid as catalyst yields a E/Z‐mixture of (III), which undergoes cyclization in sulfuric acid to give 77 the lactone (IV) and the aminoester (V).
ChemInform Abstract: Regioselective Reactions of 9‐Hydroxy‐10‐chloro‐1,4‐anthraquinone. Synthesis of Digitopurpone and Icelandicin.
Authors: GORELIK M. V. , ARINICH L. V. , KOTLYAREVSKII O. I. , FES'KOVA E. A.
Published: May 2016

The easily accessible 1,4‐anthraquinone (I) is converted by nitration in H2SO4, followed by hydrolysis to the nitro derivative (II), 78 according to a well known procedure.
ChemInform Abstract: Synthesis of Some Furfuryloxy Substituted Aminothiols.
Authors: ALLAKHVERDIEV M. A. , FARZALIEV V. M. , KHALILOVA A. Z. , SULTANOV YU. M.
Published: May 2016

By reaction of epichlorohydrin (I) with furfuryl alcohol (II) the known epoxyfurfuryloxy compound (III) is obtained in one step.
ChemInform Abstract: The Intramolecular Opening of the Oxirane Ring in Butyl 4,5‐Anhydro‐ 3,6‐dideoxyhexaldonate.
Authors: CHMIELEWSKI M. , GUZIK P. , HINTZE B. , DANIEWSKI W. M.
Published: May 2016

Das durch Epoxidierung des Olefins (I) erhaltene Gemisch der lyxo‐ (II) und xylo‐kon?gurierten Olefine (III) lagert sich in Gegenwart von Zinn(IV)‐chlorid zu dem Ester (IV) und geringen Mengen eines Gemischs der cyclischen Orthoester (V) und (VI) um.
ChemInform Abstract: A Versatile and Concise Route to Functionally Substituted γ‐Butyrolactones and Spiro‐y‐butyrolactones (Lactone Annelation).
Authors: MANDAL A. K. , JAWALKAR D. G.
Published: May 2016

Aus dem Enollacton (I) erhält man durch Behandlung mit Brom sowie Bicarbonat das Lacton (II).
ChemInform Abstract: Synthesis of N‐Mannich Bases of 5(6)‐Phenoxybenzimidazole and 5‐(4‐Chlorophenoxy)benzimidazolin‐2‐thione as Potential Biologically Active Agents.
Authors: VARMA R. S. , SINGH V. A. , VERMA H. N. , KHAN M. M. A. A.
Published: May 2016

Aus den o‐ Diaminen (I) werden mit Ameisensäure (II) die Benzimidazole (III) bzw. mit Schwefelkohlenstoff die Imidazoline (VI) hergestellt, die nach Mannich zu den Derivaten (V) bzw. (VII) umgesetzt werden.
ChemInform Abstract: Chemical and Pharmacological Research on Pyran Derivatives. Part 16.
Authors: MAZZEI M. , BALBI A. , ERMILI A. , SOTTOFATTORI E. , ROMA G. , SCHIANTARELLI P. , CADEL S.
Published: May 2016

Die Chromone (I) können zum Chlor‐chromon (II) bzw. den Dinitro‐chromonen (III) und (IV) umgesetzt werden.
ChemInform Abstract: Synthesis of 2‐Substituted Chromones, Chromanones and Their Thio Analogues Using Organocopper Reagents.
Authors: CLARKE P. D. , FITTON A. O. , SUSCHITZKY H. , WALLACE T. W. , DOWLATSHAHI H. A. , SUSCHITZKY J. L.
Published: May 2016

Aus den (Thio)Chromonen (I) erhält man mit Organo‐Kupferkomplexen wie den aus Organo‐Lithiumverbindungen (II) mit Dimethylsulfid und Kupfer(I)‐bromid erhaltenen gemischten Salzen die Addukte (III), die z.Tl. zu den Chromonen (VII) oxidiert werden können.
ChemInform Abstract: Synthesis and Structural Study on α‐Substituted‐1‐styrylpyridinium Salts. Reinvestigation of Krohnke Condensation.
Authors: ALVAREZ‐BUILLA J. , NOVELLA J. L. , GALVEZ E. , SMITH P. , FLORENCIO F. , GARCIA‐BLANCO S. , BELLANATO J. , SANTOS M.
Published: May 2016

The condensation reaction between the aldehyde (II) and the salts (I) affords the Zcon?gurated N‐styrylpyridinium salts (III).
ChemInform Abstract: Chemical Conversions of Amino Alcohols and Their Derivatives. Part 2.
Authors: SHEPEL' F. G. , SOROCHINSKAYA T. G.
Published: May 2016

Little is known about the reaction between amino alcohols such as (I) and azides of carboxylic acids like (II), which has been studied here.
ChemInform Abstract: Efficient and Convenient Method for Synthesis of Solenopsin A and Its Analogues Using 1‐Benzyl‐2,6‐dicyanopiperidine.
Authors: TAKAHASHI K. , KURITA H. , OGURA K. , IIDA H.
Published: May 2016

Es wird ein bequemes Verfahren zur Herstellung von Solenopsin A (VI Ib) und seiner Analoga beschrieben.
ChemInform Abstract: Synthesis of 2‐Substituted 3‐Oxoisothiazolo[5,4‐b]pyridines.
Authors: MONGE A. , MARTINEZ‐MERINO V. , FERNANDEZ‐ALVAREZ E.
Published: May 2016

2‐Chlor‐pyridin‐ ,3‐carbonsäure (I) wird mit Thioharnstoff in die Thioxopyridin‐carbonsäure (II) übergeführt, aus der über die Amide (IV) die im Titel genannten Verbindungen (V) erhalten werden.
ChemInform Abstract: Nitrogen Bridgehead Compounds. Part 55. Synthesis of Substituted 7,8‐Dihydro‐5H,13H‐indolo[2′,3′:3,4]pyrido[2,1‐b]quinazolin‐5‐ones.
Authors: KOEKOESI J. + , HERMECZ I. , PODANYI B. , SZASZ G. , MESZAROS Z.
Published: May 2016

Die aus den Pyrido‐chi nazolinonen (I) erhältlichen Hydrazone (II) ergeben nach Fischer die Cyclisierungsprodukte (III).
ChemInform Abstract: Antidiabetic Compounds. Part 5. Long and Branched Chain Substituted Chloro Dicyclohexylamino‐1,3,5‐triazines.
Authors: KREUTZBERGER A. , ROSE U.
Published: May 2016

Aus dem Dichlor‐amino‐triazin (I) werden mit den sekundären Aminen (II) die unsymmetrischen 1,3‐Diamino‐5‐chlor‐s‐triazine (III) erhalten, die antidiabetische, trichomonazide, antivirale und anthelmintische Wirkung zeigen.
ChemInform Abstract: Synthesis and Reactions of 1,2‐Dicarba‐closo‐dodecaborane‐1‐yl Tetrahydroborate(l‐)
Authors: PLESEK J. , JELINEK T. , HERMANEK S. , STIBR B.
Published: May 2016

Prolonged heating of the salt (I) with triethylamine borane resulted in the formation of (IIa) which by precipitation with tetramethylammonium Chloride yields the water‐insoluble salt (IIb).
ChemInform Abstract: Synthesis of Certain Cyclic Silanes.
Authors: HOUSE H. O. , HRABLE J. A. , NARASIMHAN S. L.
Published: May 2016

Starting from the dibromides (I) the Watersensitive chlorosilanes (III) are prepared as shown as precursors of potential steric blocking groups for alkanes and cycloalkanes.
ChemInform Abstract: Methylmercury Xanthates.
Authors: TIEKINK E. R. T.
Published: May 2016

The compounds (I) were prepared from the facile 1 :l reaction of MeHgCl in CH2Cl2 and KISZCOR] in water (20°C, 30 min).
ChemInform Abstract: Isothiocyanatotriphenyl(pyridinium‐2‐carboxylato)tin(IV) Monohydrate.
Authors: GABE E. J. , LEE F. L. , KHOO L. E. , SMITH F. E.
Published: May 2016

The title complex (I) was obtained in good yield (not given) by mixing hot EtOH solutions containing the stoichiometric quantities of SnPh3NCS and picolinic acid.
ChemInform Abstract: Studies of Technetium Complexes. Part 9. Use of the Tetrachloronitridotechnetate(VI) Anion for the Preparation of Nitrido Complexes of Technetium.
Authors: BALDAS J. , BONNYMAN J. , WILLIAMS G. A.
Published: May 2016

The anion (II) is shown to be an useful intermediate for the preparation of Tcs Ncomplexes as to be seen from the scheme.
ChemInform Abstract: Transfer of Oxygen from Percarboxylic Acids and Alkyl Hydroperoxides to (meso‐ Tetraphenylporphinato)cobalt(III) Chloride.
Authors: LEE W. A. , BRUICE T. C.
Published: May 2016

Kinetic results of the reaction of percarboxylic acids (m‐chloroperbenzoic acid, p‐nitroperbenzoic acid, phenylper‐ acetic acid, perlauric acid, diphenylhydroperoxyacetic acid) and alkyl hydroperoxides (tert.‐butyl hydroperoxide, cumene hydroperoxide, diphenylhydroperoxyacetonitrile, trityl hydroperoxide) with the title complex (I) (CHCl3, 30°C) are given.
ChemInform Abstract: Formation of 1,1‐[Bis(diphenylphosphino)ethane]‐2,3‐dicarba‐1‐nickela‐closo‐heptaborane via the Intermediacy of 4,5‐(μ‐Halogeno[bis(diphenylphosphino)ethane]nickel)‐2,3‐dicarba‐nido‐hexaborane(8).
Authors: BARTON L. , RUSH P. K.
Published: May 2016

The reaction between (I) and (II) has been examined between ‐ 35 and ‐ 80°C. When the bromo reagent (IIb) is used, the only product observed is the nickela‐closo‐heptaborane (IV), even at ‐ 80°C ; it is characterized by ′Hand "B NMR data.
ChemInform Abstract: Asymmetric Catalysis. Part 8. X‐Ray Structure Analysis of the Asymmetric Hydrosilylation Catalyst Cyclo‐octa‐1,5‐diene‐pyrrol‐2‐carbald‐(s)‐1‐phenylethyliminato‐Rhodium(I).
Authors: BRUNNER H. , RIEPL G. , BERNAL I. , RIES W. H.
Published: May 2016

Complex (‐ )573‐(III), an enantioselective catalyst for the hydrosilylation of aeetophenone, was prepared and investigated by X‐ray diffraction.
ChemInform Abstract: Dinuclear Pyrazolate‐Iridium Hydride Complexes. Crystal Structure of [{Ir(C5Me5)}2(μ‐H)2(μ‐pz)]BF4 (pz: pyrazolate).
Authors: ORO L. A. , CARMONA D. , PUEBLA M. P. , LAMATA M. P. , FOCES‐FOCES C. , CANO F. H.
Published: May 2016

The title complex is prepared from [ Ir(C5Me5) 2(p‐OH)3]BF4 and pyrazole in iPrOH (17 h reflux) with a yield of 72%.
ChemInform Abstract: Diterpene Synthesis. Part 3. Acid‐Catalysed Cyclization of Methoxyphenylethyltrimethyl‐cyclohexanols, ‐cyclohexenols and cyclohexenones.
Authors: DAVIS B. R. , HINDS M. G. , JOHNSON S. J.
Published: May 2016

The trans‐alcohol (III) is synthesized from the acetylene (II) and the ketone (I) in two steps.
ChemInform Abstract: Total Synthesis of Sericenine.
Authors: HONAN M. C. , BALASURYIA A. , CRESP T. M.
Published: May 2016

Das Furanogermacrane‐Sesquiterpen Sericenin (I) wird synthetisiert, wobei als Ausgangsmaterial das Benzylcyanid (II) eingesetzt wird.
ChemInform Abstract: Conversion of Thiosulfinate Derivatives of Cystine to Unsymmetrical Cystines and Lanthionines by Reaction with Tris(dialkylamino)phosphines.
Authors: OLSEN R. K. , KINI G. D. , HENNEN W. J.
Published: May 2016

Aus den Peptid‐alkoholen (Ia) bzw. (IIa) werden die entsprechenden Sulfonsäureester (Ib) bzw. (IIb) hergestellt, jedoch können diese nicht mit Cysteinen substituiert werden.
ChemInform Abstract: Reaction of Sugar Epoxides with Phosphorothioic Acids, Evidence of the Pentacoordinate Phosphorus Intermediate in the Reaction of 5,6‐Anhydro‐1,2‐O‐isopropylidene‐α‐D‐glucofuranose with Phosphorothioic Acids.
Authors: KUDELSKA W. , MICHALSKA M.
Published: May 2016

The reaction of sugar epoxides 166 such as (I) with organic phosphorus monothioacids such as (II) provides a convenient procedure for synthesizing sugar thiophosphates and mercaptosugar phosphates.
ChemInform Abstract: Synthesis and Structure Determination of Some Derivatives of the Antibiotic Thermorubin.
Authors: TURCONI M. , DEPAOLI A. , FERRARI P. , LANDI M. , GALLO G. , CAVALLERI B.
Published: May 2016

Reaction of thermorubin (I), an antibiotic produced by Thermoactinomyces antibioticus, with MeNH2, NaBH4 and HCHO/RZNH under various conditions yields the derivatives (II)‐(V), (VII) and (VIII) as shown in the scheme.
ChemInform Abstract: Phase Equilibration in ZrO2 ‐ Al2O3 Alloys by Liquid‐Film Migration.
Authors: CHAIM R. , HEUER A. H. , BRANDON D. G.
Published: May 2016

Some un‐ usual microstructural changes are observed in ZrO2‐8 wt.‐% YZO; alloys on annealing.
ChemInform Abstract: Structure and Peierls Transition of the Violet Bronze TlMo6O17.
Authors: GANNE M. , DION M. , BOUMAZA A. , TOURNOUX M.
Published: May 2016

The title bronze, which is obtained by reacting a mixture of Tl2MoO4, 3 M002, and 8 MoO3 at 560°C (2 d) in a closed tube, crystallizes in the trigonal system (Piml, Z=1).
ChemInform Abstract: Selective Removal of Oxygen from Rare Earth and Thorium Metals Through Oxyhalide Formation.
Authors: CORBETT J. D. , SMITH J. D. , GARCIA E.
Published: May 2016

Reactions of Y, La, Nd, and Gd containing l‐5 at.‐% of dissolved Oxygen with the respective trichlorides RC1; to produce ROCl and reverse reactions of ROCl with pure La and Gd in the presence of RC13 in sealed Nb or Ta containers at 730‐850°C for l ‐2 weeks duration yield the metals containing 0. l ‐O.2 at.‐"/o oxygen.
ChemInform Abstract: Copper Catalyzed Synthesis of Cyclic Amines from Amino‐Alcohols.
Authors: HAMMERSCHMIDT W. , BAIKER A. , WOKAUN A. , FLUHR W.
Published: May 2016

Die Cyclisierung der Aminoalkohole (I), (III), (V) und (VII) zu den cyclischen Aminen (II), (IV), (VI) und (VIII) am Festbett‐Reaktor in Gegenwart von Kupfer‐Katalysatoren bei 200 ‐ 210°C wird untersucht.
ChemInform Abstract: Thianthrene 5‐Oxide as a Mechanistic Probe in Oxygen Transfer Reactions: Complexation of the Substrate in Oxidations with Transition Metal Peroxides.
Authors: ADAM W. , LOHRAY B. B.
Published: May 2016

(I) is oxidized by the diperoxo complexes (HMPT)MO5 (M: Cr, M0, W), (HMPT)(H2O)MO5 (M: M0, W) or (HMPT)2MoO5 in CHZCIZ, independent of the oxidant, to give (II) and (III) in equal parts, whereas, on the oxidation of (II)/(III) (l :l mixture) with (HMPT)MoO5, (III) reacts three times more quickly than (II).
ChemInform Abstract: Observations Regarding δ‐ and ε‐Cyano Radical Cyclizations.
Authors: CHENERA B. , CHUANG C.‐P. , HART D. J. , HSU L.‐Y.
Published: May 2016

Reaktion des ö‐Iodnitrils (Ia) mit Tributylzinnhydrid (II) führt ausschließlich zum enthalogenierten Produkt (Ib).
ChemInform Abstract: Synthesis and Reactions of New Vinylogous Chloroformamidines.
Authors: RIED W. , SCHOEPKE K. +
Published: May 2016

While the dinitrile (Ia) reacts with all the dinitriles (II) to the yellow to orange formamidines (III), the dinitrile (Ib) only yields the corresponding pale‐yellow products (IV) in the case of (IIa) and (IIb).‐ Hydrolysis of (IIIa) leads to the amide (V) and treatment of (IIIa) with a series of sulphur nucleophiles produces compounds (VII), (IX), (XI) and (XIII).
ChemInform Abstract: (R)‐Ethyl 4‐tert‐Butoxy‐3‐hydroxybutanoate, a Versatile Chiral Building Block for EPC (Enantiomerically Pure Compound) Syntheses, by Yeast Reduction of Ethyl 4‐tert‐Butoxy‐3‐oxobutanoate.
Authors: SEEBACH D. , EBERLE M.
Published: May 2016

Durch Reduktion mit Bäckerhefe erhält man aus den 4‐Alkoxy‐ketoestern (II) optisch aktive Hydroxyester (III), die zum Diol (IVc) reduziert bzw. zu Lactonen (VI) cyclisiert werden.
ChemInform Abstract: Preparative Metallation of Norbornene and Norbornadiene.
Authors: VERKRUIJSSE H. D. , BRANDSMA L.
Published: May 2016

Durch Einhaltung der aufgeführten Reaktionsbedingungen lassen sich aus den beiden Titelverbindungen (I) bzw. (IV) die K‐Derivate (II) bzw. (V) erzeugen.
ChemInform Abstract: Small and Medium Rings. Part 47. Design and Synthesis of α‐Diketones.
Authors: ALBERT B. , HELLER C. , IDEN R. , MARTIN G. , MARTIN H.‐D. , MAYER B. , OFTRING A.
Published: May 2016

A new synthesis of cyclobutenedione (II) has been performed by flash pyrolysis of the tricyclic cyclobutanedione (I).
ChemInform Abstract: Syntheses of Arenediacetic Esters and Acetony1‐Substituted Arylacetic Esters by Means of Friedel‐Crafts Reaction with α‐Aryl‐α‐chlorosulfides.
Authors: ISHIBASHI H. , IKEDA M. , CHOI H. D. , NAKAGAWA H. , UEDA Y. , TAMURA Y.
Published: May 2016

Durch Friedel‐ Crafts‐Reaktion mit a‐Chlor‐sul?den wie (II) bzw. (IX) und anschließende Desulfurierung lassen sich Arylessigsäuren wie (Vb) und (VII) bzw. Acetonyl‐Derivate wie (VIIIb) herstellen.
ChemInform Abstract: A Practical Synthesis of 2‐Azidophenylisocyanide.
Authors: EL‐SHIHI T. , HERRMANN R.
Published: May 2016

The title compound (IV) is a useful intermediate in the synthesis of β‐lactams.
ChemInform Abstract: Synthesis of 2‐, 6‐ and 7‐Aminomethyl Derivatives in the 4,5‐Dihydroxybenzofuran Series.
Authors: GRINEV A. N. , LYUBCHANSKAYA V. M. , SARKISOVA L. S. , ALEKSEEVA L. M. , SHEINKER YU. N.
Published: May 2016

Die Bromierung des aus dem 4‐Hydroxybenzofuran (I) durch Acetylierung erhaltenen Acetoxy‐Derivats (II) mit N‐Bromsuccinimid in Gegenwart von 71 Dibenzoylperoxid liefert das 2‐Brommethyl‐Derivat (III), das mit Aminen (IV) in die 2‐Aminomethyl‐Derivate (V) übergeht.
ChemInform Abstract: Synthesis of Heterocyclic Analogues of Prostaglandins on the Basis of Pyrrole and Indole.
Authors: DOMBROVSKII V. A. , GRCHEVA E. V. , KOCHERGIN P. M.
Published: May 2016

Aus den Formylpyrrolen und ‐indolen (I) werden durch nacheinanderfolgende Wittig‐Reaktion, N‐Alkylierung und Natriumborhydrid‐Reaktion heterocyclische Prostaglandin‐Analoga (VI) hergestellt.
ChemInform Abstract: Palladium(0)‐Catalyzed Syntheses of Indoloquinones.
Authors: HEGEDUS L. S. , MULHERN T. A. , MORI A.
Published: May 2016

Die Polybrom‐benzochinone (I) werden mit Allylamin (III) zu (IIa) bzw. zu einem Gemisch aus (IIa) und (IIb) substituiert.
ChemInform Abstract: 4‐Imidazolones from N‐Phenacyltetrazolium Salts.
Authors: MODERHACK D. , LEMBCKE A.
Published: May 2016

Unter Stickstoffeliminierung werden aus den Tetrazoliumsalzen (Ia) bis (Ic) die Imidazole (IIa)‐(IIc) erhalten.
ChemInform Abstract: Synthesis and Aldose Reductase Inhibitory Activity of N‐Acylthiazolidinecarboxylic Acids.
Authors: KATO E. , YAMAMOTO K. , BABA T. , WATANABE T. , KAWASHIMA Y. , HORIUCHI M. , OYA M. , ISO T. , IWAO J.
Published: May 2016

Aus den Thiazolidincarbonsäuren (I) werden mit den Dicarbonsäuredichloriden (II) die Acyl‐Derivate (III) und (IV) hergestellt, die auf ihre Wirkung als Inhibitoren der Aldose‐Reduktase untersucht werden.
ChemInform Abstract: Synthesis and Ring‐Chain Isomerism of N‐Monosubstituted Amides of 4‐Benzoylnicotinic and 3‐Benzoylisonicotinic Acids.
Authors: VALTER R. E. , BATSE A. E. , PETROVA M. V.
Published: May 2016

Die aus den Benzoylpyridincarbonsäuren (I) und (VII) mit Thionylchlorid gebildeten, in cyclischer Form vorliegenden Chloride (II) und (VIII) ergeben mit Benzylamin (III) die cyclischen Amide (IV) und (IX).
ChemInform Abstract: The Synthesis of Quinolines from N‐Alkylformanilides and Activated Acetic Acids.
Authors: METH‐COHN O.
Published: May 2016

Durch Kondensation von N‐Methylformanilid (I) mit den Chloriden (II) in Gegenwart von Phosphoroxychlorid und Cyclisierung entstehen N‐Methylchinolinium‐Derivate wie (III), (VI) und (IX).
ChemInform Abstract: Cycloadditions in Syntheses. Part 24. 1,2‐Dihydrocyclobut[c]isoquinoline.
Authors: NAITO T. , KANEKO C.
Published: May 2016

Bei der photochemischen Cycloaddition von Vinylidenchlorid (II) an das Isochinolinon (I) entsteht mit hoher Selektivität das Addukt (III), aus dem die Cyclobut[c]isochinoline (Va)‐(Ve) hergestellt werden.
ChemInform Abstract: Preparation and Some Reactions of 1,4‐Benzo[b]thiazine Ylides.
Authors: ISKANDER G. M. , EL SKIEK EL KHAWAD I. , YOUSIF G. , FISHER K. J. , FAIR K. O. , SCHLEMPER E. O.
Published: May 2016

The title ylides (III), prepared by alkylation of (I), possess a non‐planar structure with the thiazine moiety adopting a boat‐like conformation, as evidenced by X‐ray studies of (IIIc) and (IIIf) (both P21/n, Z=4).
ChemInform Abstract: Cycloaddition of Dithiocyanogen and Trithiocyanogen with Hexafluoroacetone and Products of the Cleavage of the Sulfur‐Sulfur Bond in Dithiocyan‐Hexafluoroacetone Adduct by Elemental Chlorine.
Authors: ROESKY H. W. , HOMSY N. K. , SCHMIDT H. G.
Published: May 2016

Reaction of the ketone (I) with the thiocyans (II) results in formation of the cyclic products (III).
ChemInform Abstract: Synthesis of Pyrrolo[3,4‐e][1,4]diazepine Derivatives. Part 2. 2,3‐Dihydro‐5‐aryl‐7‐aryl‐pyrrolo[3,4‐e][1,4]diazepine‐6,8‐(1H,7H)‐diones.
Authors: ZANKOWSKA‐JASINSKA W. , BOROWIEC H. , KOLASA A. , ZALESKA B.
Published: May 2016

The title compounds (II) are synthesized either by condensation of the pyrrolidine triones (I) with ethylenediamine or by desulfurization (under O ‐ S exchange) of the corresponding analogues of the thione (IV).
ChemInform Abstract: Conversion of 6α‐Aryl‐7α‐chloro‐2,3(2′,3′‐dialkoxybenzo)‐1‐thiaoctems into 2‐Carbomethoxy‐3‐aryl‐7,8‐dialkoxy‐4,5‐dihydro‐1,4‐benzothiazepines.
Authors: FODOR L. , SZABO J. , SZUCS E. , BERNATH G. , SOHAR P. , TAMAS J.
Published: May 2016

Die Benzothiazine (I) werden mit Chloracetylchlorid in die β‐Lactame (II) übergeführt, die mit Natriummethylat in Methanol unter Ringerweiterung zu den 1,4‐Benzothiazepinen (III) reagieren.
ChemInform Abstract: Comparison of the Reactivity of Perfluoroalkyl Iodides (RfI) and 2‐Perfluoroalkyl‐1‐iodoethanes (RfC2H4I) in Presence of a Zinc‐Copper Couple in Alkyl Phosphates as Solvents.
Authors: BENEFICE‐MALOUET S. , BLANCOU H. , COMMEYRAS A.
Published: May 2016

Durch Reaktion der Perfluoralkyliodide (II) mit Zink‐Kupfer in den Phospaten (III) als Lösungsmittel erhält man die Phosphinate (I) oder die Phosphinoxide (IV).
ChemInform Abstract: Reaction of 1‐Oxo‐1‐chloro‐phospholene Δ3 with Hexamethyldisiloxane and Hexamethyldisilazane.
Authors: JANSEN W. , ULSES R.
Published: May 2016

The title compound (I) reacts with hexamethyldisiloxane to form the oxo‐bis(phospholene) (II), which is hydrolyzed to the acid (III).
ChemInform Abstract: Unusually Coordinated Phosphorus Compounds. Part 7. Adamant‐1‐ylmethylidiynephosphine.
Authors: ALLSPACH T. , REGITZ M. , BECKER G. , BECKER W.
Published: May 2016

Die Umsetzung des Tris‐silylphosphins (Ia) bzw. Lithium‐bis‐silyl‐phosphids (Ib) mit 1‐Adamantoylchlorid (II) führt unter Silylverschiebung zum Phosphaalken (IV), das durch Basenbehandlung in das Phosphaalkin (V) umgewandelt wird.
ChemInform Abstract: The Radical Formation of Diphthalocyanine Complexes of Lanthanum(III), Neodymium(III) and Yttrium(III) with p‐Benzoquinone.
Authors: KASUGA K. , ANDO M. , MORIMOTO H.
Published: May 2016

Three species (I)‐(III) including the radical (II) of neodymium(III) phthalocyanine were obtained from a crude Nd(III) phthalocyanine mixture (prepared by reaction of Nd(III) acetate and ophthalonitrile) by column chromatography on silica gel.
ChemInform Abstract: Chemistry of Transition Metal Alkyl Compounds. Part 44. Tetrakis(alkoxycarbonylmethyl)titanium Compounds.
Authors: SORKAU A. , THIELE K.‐H. , GALAMB V. , PALYI G.
Published: May 2016

The title compounds (II), which decompose only above 90°C, are prepared as shown and characterized by the hydrolysis products, anaerobic reactions with iodine, and the IR spectra.
ChemInform Abstract: Mixed Halide Tin(IV) Complexes with NN‐Dimethylformamide and Dimethylsulfoxide.
Authors: TUDELA D. , FERNANDEZ V. , TORNERO J. D. , VEGAS A.
Published: May 2016

By oxidative‐addition reactions of Br2 or I2 to SnCl2 in the presence of DMSO oder DMF, the mixed halide Complexes (I) are obtained.
ChemInform Abstract: Solution Dynamics of the Reversible Carbonyl‐Phosphorus Ligand Exchange in (OC)4Mo(μ‐PEt2)2Mo(CO)4 : Kinetic Parameters as a Measure of the Relative Steric Hindrance of Phosphines and Phosphites.
Authors: BASATO M.
Published: May 2016

The title compound (I) undergoes reversible carbonyl Substitution with a series of phosphines and phosphites to form the complexes (II), (IIa) was isolated.
ChemInform Abstract: Phosphine Substituted Chelate Ligands. Part 18. Penta‐ and Tetracarbonylmetal Complexes of Chromium, Molybdenum, and Tungsten with Secondary and Tertiary Phosphinothioformamide Ligands.
Authors: KUNZE U. , JAWAD H.
Published: May 2016

The THF adducts (II) photolytically generated from M(CO)6 in THF react with sec. phosphinothioformamides in the dark to give the P‐coordinate pentacarbonyl complexes (I).
ChemInform Abstract: Metal Sulfur‐Nitrogen Compounds. Part 19. Novel Complexes of Cu(I) with the S3N‐ Chelate Ligand. Preparation and Structure of [Ph4As][Cu(S3N)(CN)], [(Ph3P)2N][Cu(S3N)(S7N)] and [Ph4As]2[(S3N)Cu(S2O3)Cu(S3N)].
Authors: WEISS J.
Published: May 2016

Bei der Umsetzung von S7NH mit CuCN in Gegenwart von Ph4AsOH sowie mit CuClz‐Z H2O in Gegenwart von (Ph3P)2NOH oder Ph4AsOH in Methanol entstehen die anionischen, trigonal‐planaren Cu(I)‐Titelkomplexe (I), (II) bzw. (III).
ChemInform Abstract: Stereoselective Hydroboration of the 22(23)‐Double Bond of Stigmasterol‐like Side Chain: an Easy Approach to 22‐ and 23‐Hydroxylated 24‐Ethylsterols.
Authors: NICOTRA F. , PANZA L. , RONCHETTI F. , TOMA L.
Published: May 2016

Hydroboration of the cyclostigmastene (I) yields alcohols (II) and (III), whose structures and configurations are elucidated by oxidation to the corresponding ketone, 1H NMR and GC studies.
ChemInform Abstract: Studies on Amino Acids and Peptides. Part 9. 5‐Thioxoproline and 5‐Thioxoproline Esters. Synthesis and Crystal Structures.
Authors: ANDERSEN T. P. , RASMUSSEN P. B. , THOMSEN I. , LAWESSON S.‐O. , JOERGENSEN P. , LINDHARDT P.
Published: May 2016

Reaction of 5‐oxoproline (Ia) with Lawesson′s reagent (II) renders possible the Synthesis of the 5‐thioxo analogue (IIIa) under mild conditions.
ChemInform Abstract: Amino Acids. Part 5. Stereoselective Synthesis of α,α′‐Imino Dicarboxylic Acids.
Authors: EFFENBERGER F. , BURKARD U.
Published: May 2016

Die verschieden konfigurierten Trifluormethansulfonate (Ia)‐(Id) bzw. (Ie) [in situ aus der Vorstufe (IV)] reagieren mit (S)‐ bzw. (R)‐Aminosäureestern (II) diaste‐ 169 reoselektiv zu den entsprechenden Iminodicarbonsäureestern (III) bzw. (VI), wobei am chiralen Zentrum jeweils eine Konfigurationsumkehr erfolgt (die einzelnen Produkte sind in mehreren Tabellen zusammengefaßt).
ChemInform Abstract: Synthesis of Carbohydrate Conjugates. Chemical Modification of Monosaccharides via 2,4,6‐Trichloro‐1,3,5‐triazine.
Authors: ADAM M. J. , HALL L. D.
Published: May 2016

Das Triazin (I) bzw. die aus (I) und den Nitroxyl‐Radikalen (II) erhältlichen Kondensationsprodukte (III) werden mit den Sacchariden (IV), (VII) und (IX) zu den Derivaten (V), (VI), (VIII) und (X) verknüpft.
ChemInform Abstract: New Methods and Reagents in Organic Synthesis. Part 57. A Stereoselective Synthesis of a Derivative of D‐Ristosamine.
Authors: HAMADA Y. , KAWAI A. , SHIOIRI T.
Published: May 2016

Auf dem im Formelschema angegebenen Weg wird das aus L‐Milchsäureethylester (I) zugängliche optisch aktive Lacton (II) in das Derivat (VIIa) des D‐Ristosamins (VIIb) übergeführt.