bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Chloride Pitting and Water Chemistry Control in Cooling or Boiler Circuits.
Authors: BOGAERTS W. F. , VAN HAUTE A. A.
Published: May 2016

The effect of HCO; , P04′ , S04′ , and OH′ on the pitting corrosion by C1′ has been investigated for a number of ferritic or austenitic steels and Ni‐alloys at different temp. up to 175°C. For most of the alloys the normal order of inhibition is P02′ S04′ ä HCO; , but some anomalies have been found for stainless steels at temp. 100°C. In the absence of strongly passivating alloying elements (e.g.
ChemInform Abstract: Lithium Aluminium Amide, LiAl(NH2)4, Preparation, X‐Ray Investigation, IR Spectrum, and Thermal Decomposition.
Authors: JACOBS H. , JAENICHEN K. + , HADENFELDT C. , JUZA R.
Published: May 2016

Reaction of Li and Al with liquid NH3 at temp. between 80 and 100°C yields the title compound within some days.
ChemInform Abstract: Allosteric Effects in Organic Chemistry: Binding Cooperativity in a Model for Subunit Interactions.
Authors: REBEK J. JUN. , COSTELLO T. , MARSHALL L. , WATTLEY R. , GADWOOD R. C. , ONAN K.
Published: May 2016

Cyclocondensation of the appropriate tetra‐ or di‐(bromome‐ thyl)biphenyl with tetra‐ and/or pentaethylene glycol/NaH in THF leads to the crown ethers (I) and (II), respectively, which form stable complexes with Hg(CN)2 or Hg(CF3)2, according to their ring size.
ChemInform Abstract: A Microelectrochemical Diode with Submicron Contact Spacing Based on the Connection of Two Microelectrodes Using Dissimilar Redox Polymers.
Authors: KITTLESEN G. P. , WHITE H. S. , WRIGHTON M. S.
Published: May 2016

Investigation of platinized Au microelectrodes on Si3N4 which were functionalized, one electrode with poly(vinylferrocene), PVFc ′° and the adjacent electrode with an N,N′‐dibenzyl‐4,4′‐bipyridinium‐based polymer, (BPQ2+′ )", derived from hydrolysis of N,N′‐bis[(p‐trimethoxysilyl)benzyl]‐4,4′‐bipyridinium.
ChemInform Abstract: Reactions of 8,9‐Dihydroxanthines with Acetylenic Compounds. Formation of Heteropropellanes.
Authors: HORI M. , KATAOKA T. , SHIMIZU H. , IMAI E. , MATSUMOTO Y.
Published: May 2016

Die wie angegeben dargestellten Dihydroxanthine (III) reagieren mit den Acetylencarbonsäureestern (IV) unter Bildung der Heteropropellane (V) und (VI).
ChemInform Abstract: Resolution of 2,3‐Diphenyl Succinic Acid.
Authors: KRAUSE H. W. , MEINICKE C.
Published: May 2016

rac‐2,3‐Diphenylsuccinic acid was split of into the enantiomers by means of the diastereomeric salts formed with (1S2S)‐2‐amino‐1‐(p‐nitrophenyl)‐propane‐1,2‐diol [L(+)‐base] in methanol.
ChemInform Abstract: Spectroscopy and Photochemistry of Thiouracils: Implications for the Mechanism of Photocrosslinking in tRNA.
Authors: MILDER S. J. , KLIGER D. S.
Published: May 2016

To determine the structure of triplets, absorption spectra of the triplet states of (I)‐(III) are measured.
ChemInform Abstract: Enhanced endo‐exo Selectivity in the Stereochemistry of Ketonization of Enols.
Authors: ZIMMERMAN H. E. , LYNCH D. C.
Published: May 2016

Either direct or sensitized excitation of enones (IIa) yields the phenol (Ia).
ChemInform Abstract: Anionic Surfactants Catalysis in the Two‐phase Oxidation of Toluene Derivatives with Cerium Ammonium Nitrate.
Authors: SKARZEWSKI J. , MLOCHOWSKI J.
Published: May 2016

The effect of the anionic surfactants under investigation on the two‐′phase oxidation of one of the methyl groups of p‐xylene with cerium ammonium nitrate (CAN) in cyclohexane increases in the order sodium 1‐dodecanesulfonate sodium dodecyl sulfate (Ia) (Ib) (the differences are only small).
ChemInform Abstract: Electrophilic Reaction at Single Bonds. Part 21. Superacid‐Catalyzed Alkylation of Adamantane with Olefins.
Authors: OLAH G. A. , FAROOQ O. , KRISHNAMURTHY V. V. , PRAKASH G. K. S. , LAALI K.
Published: May 2016

Butenes (II), l‐butene, or Z‐methylpropene react with adamantane (I) to give the alkyl derivatives (III)‐(V) as well as traces of (VI).
ChemInform Abstract: Prostaglandin Chemistry. Part 28. Synthesis of New Antineoplastic Alkylidenecyclopentenones.
Authors: SUGIURA S. , HAZATO A. , TANAKA T. , OKAMURA N. , BANNAI K. , MANABE K. , KUROZUMI S. , SUZUKI M. , NOYORI R.
Published: May 2016

Entsprechend dem Formelschema werden die im Titel genannten Cyclopentenone (II)‐(IV), (IX) und (X) synthetisiert.
ChemInform Abstract: Synthesis of 2,3‐Secopyrethroids.
Authors: RANDAD R. S. , KULKARNI G. H.
Published: May 2016

Die durch Reaktion von Diethylmalonat mit Allyl‐ und Prenylchlorid erhaltenen Diester (I) werden auf dem beschriebenen Weg in die Titelverbindungen (V) übergeführt (Ausb.‐Angabe nur für Beispiel‐ Reaktionen).
ChemInform Abstract: Dopamine Receptor Agonist Activity of Some 5‐(2‐Aminoethyl)carbostyril Derivatives.
Authors: KAISER C. , DANDRIDGE P. A. , GARVEY E. , FLAIM K. E. , ZEID R. L. , HIEBLE J. P.
Published: May 2016

Dargestellt werden die Verbindungen (V), (VI) und (X), von denen (X) im D‐2‐Rezeptor‐Test die dreifache Wirkung von Dopamin besitzt.
ChemInform Abstract: Polymer‐supported Meldrum′s Acid Anion: A Simple and Efficient Method for Bisalkylation of Meldrum′s Acid Supported on Amberlite IRA‐400 (Chloride‐form).
Authors: BANDGAR B. P. , JAGDALE M. H. , MANE R. B. , SALUNKHE M. M.
Published: May 2016

Amberlite IRA‐400 (CF‐Form) läßt sich durch Reaktion mit dem Na‐Salz von 86 Meldrumsäure in (I) überführen.
ChemInform Abstract: Synthesis of Some New 4(3H)‐Quinazolinones as CNS Depressants and Antifungal Agents.
Authors: CHAURASIA M. R. , SHARMA A. K.
Published: May 2016

2‐Benzoyl‐3,5‐dichlorbenzoesäure (I) kondensiert mit den substituierten 2‐Aminobenzothiazolen (II) zu den Chinazolinonen (III).
ChemInform Abstract: Synthesis of Novel Pyrimidinediones and Thiazolidinones as Cardiovascular Agents.
Authors: SINGH S. , GUPTA G. P. , SHANKER K.
Published: May 2016

Starting from the thiosemicarbazides (I), title compounds of type (III), (V) and (VII) were synthesized and effects on resting blood pressure studied.
ChemInform Abstract: Syntheses of (I)‐2‐[(Inden‐7‐yloxy)methyl]morpholine Hydrochloride (YM‐O8054, Indeloxazine Hydrochloride) and Its Derivatives with Potential Cerebral‐Activating and Antidepressive Properties.
Authors: KOJIMA T. , NIIGATA K. , FUJIKURA T. , TACHIKAWA S. , NOZAKI Y. , KAGAMI S. , TAKAHASHI K.
Published: May 2016

Die aus den Propanolaminen (I) dargestellten Lactame (II) werden reduktiv in die entsprechenden Morpholin‐Derivate (III) übergeführt.
ChemInform Abstract: Reaction of Conjugated Enones with tert‐Butyldimethylsilyl Triflate and Intramolecular Annelation.
Authors: IHARA M. , ISHIDA Y. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

Die Enone (I) und (V) reagieren unter den angegebenen Bedingungen selektiv zu den Dienolethern (II) bzw. (VI), die mit Maleinsäureanhydrid (III) die endo‐Addukte (IV) bzw. (VII) bilden.
ChemInform Abstract: Chemical Transformations of Phosphorie Acid Hydrazides. Part 4.
Authors: OVRUTSKII V. M. , BOLDESKUL A. E. , GOLUBOV M. I. , CHERNOVA T. M.
Published: May 2016

Die Amidophosphorsäurehydrazide (I) reagieren mit p‐Toluolsulfonsäurechlorid zu den Tosylhydraziden (II).
ChemInform Abstract: The Reaction of Phosphites with Aroylphosphonates in the Presence of Proton Donors.
Authors: GRIFFITHS D. V. , JAMALI H. A. R. , TEBBY J. C.
Published: May 2016

Die Ketophosphonsäureester (I) reagieren mit Trimethylphosphit (II) zu den zwitterionischen Zwischenstufen (III), die mit dem Benzoylchlorid (IV) die Phosphorylketophosphonate (V) ergeben.
ChemInform Abstract: Hydrids of Phosphorus Containing Phosphorus‐Sulfur Bonds.
Authors: SINYASHIN O. S. , GORSHUNOV I. YU. , BATYEVA E. S. , PUDOVIK A. N.
Published: May 2016

Die Thiophosphinig‐, ‐phosphonig‐ bzw. ‐phosphorigsäureester (I) reagieren mit den Trialkylstannanen (II) unter Austausch einer Alkylmercaptogruppe gegen eine Hydridgruppe zu den Reduktionsprodukten (III).
ChemInform Abstract: Reactions of Bis(1,1,3‐trihydroperfluoropropyl)isocyanatophosphite and Tris(1,1,3‐ trihydroperfluoropropyl)phosphite with Carbonyl Compounds.
Authors: KONOVALOVA I. V. , BURNAEVA L. A. , KHUSNUTDINOVA E. K. , KHAFIZOVA G. S. , PUDOVIK A. N.
Published: May 2016

Das fluorierte Isocyanatophosphit (I) reagiert mit Benzoylcyanid (IIa) oder Chloral (IIb) zu den polycyclischen Verbindungen (III).
ChemInform Abstract: Synthesis, Properties, and Constitution of Bis(dimethylaminopropyl) Cadmium and Mercury.
Authors: LANGGUTH E. , THIELE K.‐H.
Published: May 2016

Die Umsetzung der aus Mg und 3‐Dimethylaminopropylchlorid in THF dargestellten Grignardverbindung (II) mit Cd(II)‐ oder Hg(II)‐chlorid liefert die flüssigen Titelverbindungen (I) bzw. (III).
ChemInform Abstract: β‐Hydroxyethylurea in Reactions with Organosilicon, ‐germanium and ‐tin Compounds.
Authors: VOSTOKOV I. A. , GORDETSOV A. S. , SKOBELEVA S. E.
Published: May 2016

β‐Hydroxyethylharnstoff (I) reagiert im Verhältnisi2 : 1 mit Hexamethyldisilazan zu einem Gemisch der 0‐ und N‐silylierten Verbindungen (II) und (III), aus dem bei einer Thermolyse die Verbindungen (IV)‐(VI) isoliert werden können.
ChemInform Abstract: Edge‐Sharing Bioctahedral Dimolybdenum(III) Molecules with μ‐RS Groups.
Authors: COTTON F. A. , DIEBOLD M. P. , O'CONNOR C. J. , POWELL G. L.
Published: May 2016

The title complexes (II) are obtained as shown by oxidative addition to Mo‐Mo quandruple bonds.
ChemInform Abstract: Transition Metal Phosphido Complexes. Part 9. P‐Functional Heterocyclic Manganese Phosphorus Four‐ and Six‐Membered Ring Complexes.
Authors: SCHAEFER H. + , ZIPFEL J. , GUTEKUNST B. , LEMMERT U.
Published: May 2016

From the reaction of (Ia) with (II) the complexes (IIIa) and (IVa) are obtained.
ChemInform Abstract: Macroexpansion Methodology. Part 3. Eight‐Step Synthesis of (‐)‐(3Z)‐Cembrene A.
Authors: WENDER P. A. , HOLT D. A.
Published: May 2016

d‐Carvone (I) is converted to (II), whose methyl ether group serves to protect the isopropenyl functionality.
ChemInform Abstract: Synthesis and Activity Profiles of Novel Cyclic Opionic Peptide Monomers and Dimers.
Authors: SCHILLER P. W. , NGUYEN T. M.‐D. , LEMIEUX C. , MAZIAK L. A.
Published: May 2016

Cyclische Peptide wie (I)‐(III) werden synthetisiert und auf Inhibierung von GPI (guinea pigileum) und MVD (mouse vas defense) untersucht.
ChemInform Abstract: Synthesis and 1H NMR Study of 3,4‐Diethyl‐1,2,3,3a,4,5‐hexahydro‐canthinone‐6.
Authors: DE BRUYN A. , EECKHAUT G. , VILLANEUVA J. , HANNART J.
Published: May 2016

The racemic mixtures of the two epimers of the title compound (VIII) have been prepared.
ChemInform Abstract: Reciprocal Conversions of Pyrylium Salts, Pyrans, Pyrones and Their Cleaved Forms
Authors: DRYGINA O. V. , GARNOVSKII A. D. , KAZANTSEV A. V.
Published: May 2016

Review: (231 refs.
ChemInform Abstract: EPR of Gd3+ in Na2Gd(SO4)2·2 H2O. Comparison with Previous Results Obtained for Fe3+
Authors: GAITE J. M. , BULKA G. R. , HASANOVA N. M. , NIZAMUTDINOV N. M. , VINOKUROV V. M.
Published: May 2016

An EPR study of Gd3+ in a single crystal of the title compound has been carried out at Q‐band frequency.
ChemInform Abstract: Structure and Motion of Hydrogen in Molybdenum Bronzes HxMoO3 as Studied by NMR.
Authors: RITTER CL. , MUELLER‐WARMUTH W. + , SCHOELLHORN R. +
Published: May 2016

Bonding properties, location and mobility of hydrogen in molybdenum bronzes HxMoO3 with hydrogen contents in the range x = 0.2‐2.0 have been studied using 1H NMR solid state techniques.
ChemInform Abstract: Charge Carrier Trapping and Recombination Dynamics in Small Semiconductor Particles.
Authors: ROTHENBERGER G. , MOSER J. , GRAETZEL M. + , SERPONE N. , SHARMA D. K.
Published: May 2016

Picosecond time‐resolved spectroscopy is applied to elucidate the dynamiCs of Charge carrier reactions within semiconductor particles (TiOz, diameter 12OÄ , in aqueous solution).
ChemInform Abstract: Stability of AlCl3NH3 in Chloroaluminate Melts.
Authors: FOOSNAES T. , KNAPSTAD B. , OSTVOLD T.
Published: May 2016

The decomposition of A1C13NH3 according to reaction Ahas been investigated in basic MC1‐ AlCl3 ‐ AICI3NH3 mixtures (M: Na, K) in the temp. range 500‐600°C. In basic NaCl ‐ AlCl3 mixtures less than 10% AlCl3NH3 is decomposed, whereas 70% is decomposed in the corresponding KCl ‐ AlCl3 melts due to the low activity of AlCl3.
ChemInform Abstract: Synthesis and Structure of a New Ternary Chalcogenide Nb3Pd0.72Se7.
Authors: KESZLER D. A. , IBERS J. A.
Published: May 2016

The title compound has been prepared′ from a reaction of the elements (Nb:Pd:Se = 4:1 :lO, heating from 300 to 725 K at 15 K/ h and than at 1 125 K for 288 h).
ChemInform Abstract: Observation of Ternary Electron Donor ‐ Acceptor Complexes of Anthracene by Picosecond Spectroscopy. Molecular Structure of the Anthracenophane ‐ Tetracyanoethylene Complex.
Authors: MASNOVI J. M. , KOCHI J. K. , HILINSKI E. F. , RENTZEPIS P. M.
Published: May 2016

Photoexcitation within the CT absorption bands of EDA complexes of anthracene (TCNE) donors (D) (9‐X‐anthracenes; X: ‐ H, ‐ N02, ‐ CHO, ‐ CN, ‐ Ph) with tetracyanoethylene or tetranitromethane acceptors (A) reveals the presence of unusual ternary (2:1) species of the general form [(D,D),A]; containing anthracene as n‐dimer radical cations (D,D)"′.
ChemInform Abstract: Redox Potentials of Some Covalently Linked Porphyrin
Authors: WILFORD J. H. , ARCHER M. D. , BOLTON J. R. , HO T.‐F. , SCHMIDT J. A. , WEEDON A. C.
Published: May 2016

Quinones and Related Molecules.
ChemInform Abstract: Directed Regioselective Lithiation of (η6‐Arene)chromium Tricarbonyl Complexes: Regioselective Synthesis of Anthraquinones and Calamenenes.
Authors: UEMURA M. , TAKE K. , ISOBE K. , MINAMI T. , HAYASHI Y.
Published: May 2016

Wie Untersuchungen zeigen, werden die Cr‐Komplexe (I) bzw. (II) selektiv in 4‐ bzw. 6‐Stellung lithiiert.
ChemInform Abstract: Asymmetrie Induction in Mixed [2 + 2] Photoadditions Employing a Chiral Auxiliary in the Alkene Component.
Authors: LANGE G. L. , LEE M.
Published: May 2016

Die Photolyse der beiden ungesättigten Ketone (I) und (II) liefert die gemischten Addukte (III) und (IV), deren Strukturen z.B. durch Reduktion zu den Lactonen (V) und (VI) bestimmt werden können.
ChemInform Abstract: A Regio‐ and Stereoselective Synthesis of Aldolized γ‐Diketones via Tin(IV) Bisenolates by the Use of Bis(2‐pyridinethiolato)tin(II).
Authors: MUKAIYAMA T. , ICHIKAWA J. , TOBA M. , HAYASHI M.
Published: May 2016

Die aus den ungesättigten 7‐Diketonen (I) und dem Zinn(II)‐Salz (II) erzeugten Zinn(IV)‐bis‐enolate reagieren regioselektiv unter nicht basischen Bedingungen mit den Aldehyden (III) zu den Aldol‐Produkten (IV), deren syn/anti‐Zusammensetzung bestimmt wird.
ChemInform Abstract: Diastereoselective Synthesis of 2‐Hydroxy‐3,4‐alkadienoic Acids by the Ester Enolate Claisen Rearrangement of Propargyl Glycolates.
Authors: FUJISAWA T. , MAEHATA E. , KOHAMA H. , SATO T.
Published: May 2016

Die aus den Glykolsäurepropargylestern (I) mit (II) erzeugten Lithiumsalze (III) ergeben bei der Claisen‐ Umlagerung die Allen‐carbonsäuren (Va) und (Vb), wobei die Säuren (Va) mit hoher Diastereoselektivität bevorzugt entstehen.
ChemInform Abstract: Ethylene Biosynthesis. Part 4. Cyclopropyl Substituted Aminocyclopropane Carboxylic Acid (Cyclopropyl‐ACC) ‐ a Study on the Mechanism of Ethylene Biosynthesis.
Authors: PIRRUNG M. C. , MCGEEHAN G. M.
Published: May 2016

The synthesis of the title compound (IV) starting from the known dibromide (I) and its use in the investigation of the mechanism of ethylene biosynthesis in plants are reported.
ChemInform Abstract: A General Procedure for the Synthesis of Methylthio‐, Methylseleno‐ and Methyltelluro‐Substituted Aromatic Compounds.
Authors: ENGMAN L. , HELLBERG J. S. E.
Published: May 2016

Durch Halogen‐Metall‐Austausch, Oxidation und Methylierung sind aus den Halogeniden (I) die Methylchalkogenide (II) zugänglich.
ChemInform Abstract: Organoiron Complexes in Organic Synthesis. Part 34. New Strategies for the Construction of Macrolide Antibiotic Subunits Using Organoiron Precursors.
Authors: PEARSON A. J. , RAY T.
Published: May 2016

Ausgehend von den Eisenkomplexen (I) bzw. (IX) sind auf einfache Weise die Dienylessigsäuren (III) bzw. (X) zugänglich, die durch andere Methoden nur schwer synthetisierbar sind.
ChemInform Abstract: A Highly Efficient Method for Introduction of Butenolide Moieties to Various Electrophiles.
Authors: TAKANO Y. , YASUDA A. , URABE H. , KUWAJIMA I.
Published: May 2016

Der Phenyl‐furylmethyl‐thioether (I) wird nach Metallierung mit elektrophilen Reagentien zu (II) substituiert, mit Ra‐Ni zu (III) entschwefelt und dann z.Tl. mit Persäure zu den Lactonen (IV) oxidiert.
ChemInform Abstract: 3‐Methylbenzothiazolines as a New Protected Form for the Carbonyl Function.
Authors: CHIKASHITA H. , ISHIMOTO N. , KOMAZAWA S. , ITOH K.
Published: May 2016

Aldehyde und Ketone (I) lassen sich mit N‐Methyl‐aminothiophenol (II) als Benzothiazoline (III) schützen, die gegen Säuren, Basen und Reduktionsmittel stabil sind, jedoch mit Ag‐ oder Hg‐Salzen unter neutralen Bedingungen gespalten werden können.
ChemInform Abstract: Diels‐Alder Reaction of 1,2,3‐Triazine with Enamines.
Authors: SUGITA T. , KOYAMA J. , TAGAHARA K. , SUZUTA Y.
Published: May 2016

Die Enamine (I) und (IV) reagieren mit dem Triazin (II) zu den anellierten Pyridinen (III) bzw. (V).
ChemInform Abstract: A Base‐Catalysed Reaction of Arylidenemalononitrile with 2,1‐Benzisoxazoles.
Authors: KONWAR D. , BORUAH R. C. , SANDHU J. S.
Published: May 2016

Bei der Umsetzung der Benzisoxazole (I) mit dem Benzylidenmalonitril (II) werden die Chinolin‐N‐oxide (III) gebildet.
ChemInform Abstract: New Antihistaminic N‐Heterocyclic 4‐Piperidinamines. Part 3. Synthesis and Antihistaminic Activity of N‐(4‐Piperidinyl)‐3H‐imidazo[4,5‐b]pyridin‐2‐amines.
Authors: JANSSENS F. , TORREMANS J. , JANSSEN M. , STOKBROEKX R. A. , LUYCKX M. , JANSSEN P. A. J.
Published: May 2016

Über die Verbindungen (V) erhält man Imidazopyridine (VI), die aber nicht die Antihistamin‐Aktivität von Astemizol (VII) erreichen.
ChemInform Abstract: Cyclization of Dinitriles by Hydrogen Halides. Part 2. Hydrogen Chloride and Hydrogen Iodide.
Authors: VICTORY P. , GARRIGA M.
Published: May 2016

Während aus dem Dinitril (II) mit HCl bei verschiedenen Temperaturen immer (I) entsteht, werden mit HI in Abhängigkeit von der Temperatur und der HI‐Menge die Produkte (III)‐(VI) erhalten.
ChemInform Abstract: Monocyclic Pteridine Analogues. Inhibition of Escherichia coli Dihydropteroate Synthase by 6‐Amino‐5‐nitrosoisocytosines.
Authors: LEVER O. W. JUN. , BELL L. N. , MCGUIRE H. M. , FERONE R.
Published: May 2016

Die Isocytosine (V) und die ebenfalls dargestellten Verbindungen (VI) werden als Dihydropteroat‐Inhibitoren getestet.
ChemInform Abstract: Studies on as‐Triazine Derivatives. Part 6. Introduction of Aryl Groups to the 5‐Position of 1,2,4‐Triazines.
Authors: KONNO S. , SAGI M. , YUKI Y. , YAMANAKA H.
Published: May 2016

Das Triazin (I) reagiert mit den metallorganischen Verbindungen (II) zu den Dihydrotriazinen (III), die mit K3Fe(CN)6 oder KMnO4 zu den 5‐Aryltriazinen (IV) oxidiert werden.
ChemInform Abstract: Synthesis of Multi‐Ring Heterocyclic Compounds.
Authors: MUNAVALLI S. , HSU F. L. , POZIOMEK E. J.
Published: May 2016

Durch Reaktion von 2‐Aminochinolin (I) mit Methyleniodid (II) wird das Azapyrido‐cyanin (III) erhalten.
ChemInform Abstract: Synthesis of trans‐1,4‐Bis[dimethylorganylsilyl]‐2‐butenes.
Authors: RICHTER W. J. , NEUGEBAUER B.
Published: May 2016

Die Umsetzung der Chlorsilane (I) mit Magnesium‐butadien (II) führt zu 1,4‐Bis‐silyl‐2‐butenen (III).
ChemInform Abstract: Carbometallation of 1,4‐Bis(trimethylsilyl)‐1,3‐butadiyne with Trimethylaluminium.
Authors: KUSUMOTO T. , NISHIDE K. , HIYAMA T.
Published: May 2016

Das Butadiin (IV) wird mit Trimethylaluminium (II) in Gegenwart des Zirkonocens (V) zu derZwischenstufe (VI) umgesetzt, aus der mit Elektrophilen die Butenine (VII), mit CuCl durch reduktive Eliminierung E‐(I) und mit CuCl2 das Dimerisierungsprodukt (X) zugänglich sind.
ChemInform Abstract: Trityl Salts as Efficient Catalysts in the Aldol Reaction.
Authors: KOBAYASHI S. , MURAKAMI M. , MUKAIYAMA T.
Published: May 2016

Die Aldol‐Reaktion der Silylenolether (II) mit Aldehyden wie (III) wird durch Trityl‐Salze wie (Ia) und (Ib) katalysiert.
ChemInform Abstract: Derivatives of o‐Phenylene Phosphate. Part 32. Reaction of Tris(dimethylamino)phosphine with Phosphorus(V) Halides.
Authors: GLOEDE J.
Published: May 2016

The investigation of the title reactions by means of 31P NMR spectroscopy shows the formation of the products (III), (IV), and (VII); the reaction of (I) with (IIb) gives the products (V) and (VI).
ChemInform Abstract: Chemistry of Silicon‐Sulfur Compounds. Part 36. Mercury(II)‐bis‐tri‐tert‐butoxysilanethiolate.
Authors: WOJNOWSKI W. , WOJNOWSKI M. , VON SCHNERING H. G. , NOLTEMEYER M.
Published: May 2016

The title compound (II) is obtained by reaction of HgO with (I).
ChemInform Abstract: Preparation and Structural Characterization of Two Metallophosphate Frameworks Clathrating Diprotonated Ethylenediamine: AlPO4‐12(en) and GaPO4‐12(en).
Authors: PARISE J. B.
Published: May 2016

Zwei isostrukturelle Metallophosphat‐Polymere mit der empirischen Formel M3(PO4)3 ‐ H2O ‐ en (M: Al, Ga) werden durch Umsetzung von Al2O3 ‐ 3/2 H2O bzw. Ga2O3‐ 1/2 H2O mit H3PO4, H2O und en bei 200°C als Einkristalle synthetisiert 4 und durch Röntgenstrukturanalysen charakterisiert.
ChemInform Abstract: Chemistry of Silicon‐Sulfur Compounds. Part 35. The Dimeric Thallium(I)‐tri‐tertbutoxysilanethiolate.
Authors: WOJNOWSKI W. , PETERS K. , PETERS E.‐M. , VON SCHNERING H. G.
Published: May 2016

It is shown by X‐ray structure analysis that the title compound is formed as the dimer (II) by the reaction of (I) with TlNO3.
ChemInform Abstract: Electrochemical Studies of Cerium Chelate Complexes.
Authors: WESTER D. W. , PALENIK G. J. , PALENIK R. C.
Published: May 2016

Quasi‐reversible Ladungstransferprozesse werden für die aus Ce(NH4)2(NO3)6 und entsprechenden Schiffschen Basen in Ethanol in Gegenwart von NEt3 dargestellten Ce(IV)‐Chelatkomplexe (I) (nahezu quantitative Ausb.) und dem Ce(III)‐Vergleichskomplex (III) beobachtet.
ChemInform Abstract: Preparation and Structure of a Neodymium Complex Containing Bidentate (Carbamoylmethyl)phosphine Oxide Ligands.
Authors: CAUDLE L. J. , DUESLER E. N. , PAINE R. T.
Published: May 2016

The reaction of the carbamoylmethylphosphine oxide ligand with Nd(NO3)3 at a 2:1 molar ratio in ethanol yields the Complex (I) which is characterized by IR and electronic spectroscopy and a X‐ray crystallographic structure ′determination (space group ′P2,/ c with Z=4).
ChemInform Abstract: Preparation and Properties of Vanadyl(IV) Pentacyanonitrosylferrrate(II), VO[Fe(CN)5NO]·2 H2O.
Authors: BARAN E. J. , ETCHEVERRY S. B. , MERCADER R. C.
Published: May 2016

The preparation of the title compound by reaction of Ba[Fe(CN)5NO] with V0504 in H2O is described for the first time.
ChemInform Abstract: Polypyridine and Polyamine Mixed‐Ligand Complexes of Tripeptidonickel(III).
Authors: PAPPENHAGEN T. L. , KENNEDY W. R. , BOWERS C. P. , MARGERUM D. W.
Published: May 2016

Substitutionsreaktionen der in Lösung erzeugten Tripeptid‐Ni(III)‐Komplexe (I) werden mittels EPR‐Spektroskopie untersucht.
ChemInform Abstract: Synthesis and Biological Activities of Some Pseudo‐Peptide Analogues of Tetragastrin: The Importance of the Peptide Backbone.
Authors: MARTINEZ J. , BALI J.‐P. , RODRIGUEZ M. , CASTRO B. , MAGOUS R. , LAUR J. , LIGNON M.‐F.
Published: May 2016

Die Pseudopeptide (I) werden synthetisiert und auf Affinität zu Gastrin‐Rezeptoren untersucht.
ChemInform Abstract: Carbocyclic Ring Closure of an Aminodeoxy Hex‐5‐enopyranoside.
Authors: MADI‐PUSKAS M. , PELYVAS I. , BOGNAR R.
Published: May 2016

Das aus (I) dargestellte Enopyranosid (II) bildet unter den angegebenen Bedingungen das substituierte Cyclohexanon (III).
ChemInform Abstract: Stereocontrolled Synthesis of (R*R*)‐ and (R*S*)‐5‐Hydroxy‐2‐methylhexanoic Acid Lactones: Pheromone of the Carpenter Bee via Palladium‐catalyzed Reactions.
Authors: BAECKVALL J. E. + , BYSTROEM S. E. + , NYSTROEM J. E. +
Published: May 2016

Following the pathway shown in the scheme, the diene (I) is transformed into the cis‐lactone (IV), which constitutes the major component of the sex pheromone of Xylocopa hirutissima.
ChemInform Abstract: Stereoselective Synthesis of Both Enantiomers of Disparlure from D‐Glucose.
Authors: ACHMATOWICZ O. JUN. , SADOWNIK A.
Published: May 2016

Der aus D‐Glucose nach Literaturangaben dargestellte Aldehydozucker (I) wird, wie im Formelschema gezeigt, in die beiden im Titel genannten enantiomeren Pheromone (VIII) und (IX) übergeführt.
ChemInform Abstract: Hydrogen‐Induced Strengthening in V‐Ti Alloys.
Authors: SPITZIG W. A. , OWEN C. V. , BUCK O. , ROWLAND T. J.
Published: May 2016

The effect of hydrogen on the low temp. strength and work hardening behavior of V‐Ti alloys containing up to 20% Ti is studied over the range 78‐425 K. Hydrogen increases the yield strength and decreases the work hardening behavior in the temp. range where embrittlement occurs in both hydride (Vand V‐ 1°C /oTi) and non‐hydride (V‐ 10% Ti) forming alloys.
ChemInform Abstract: Magnetic and Thermoelectric Properties of Single Crystal Ni0.786Te.
Authors: TERZIEFF P. , SCHICKETANZ H. , KOMAREK K. L.
Published: May 2016

The magnetic and thermoelectric properties of Ni, ‐"Te are reinvestigated on a well‐defined single crystal.
ChemInform Abstract: Reduction of Chlorate and Perchlorate Ions at an Active Titanium Electrode.
Authors: BROWN G. M.
Published: May 2016

The electrochemical reduction of Cl04‐ at an active Ti electrode in aqueous 1.0 M HClO4 yielding C1′ occurs by oxygen atom transfer to the Ti surface and not by a pathway involving catalysis by soluble Ti corrosion products.
ChemInform Abstract: Preparation and Structure of Manganese Molybdates.
Authors: CLEARFIELD A. , MOINI A. , RUDOLF P. R.
Published: May 2016

Manganese molybdates are prepared by precipitation from aqueous solutions of Na2MoO4‐2 H2O with l M MnSO4‐ H2O at various pH.
ChemInform Abstract: Association Phenomena. Part 7. Mixed Chelate and Comicellar Catalysis of Acetyl Phosphate "Olysis" Reactions.
Authors: GUTSCHE C. D. , MEI G. C.
Published: May 2016

In the presence of n‐dodecylamine under micelleforming conditions, the rate of decomposition of acetyl phosphate is increased by a 18 factor of 275, the optimum pH for the catalysis being 8.5.
ChemInform Abstract: Nature of the Migrating Group in 1,5‐Sigmatropic Hydrogen Shifts.
Authors: KAHN S. D. , HEHRE W. J. , RONDAN N. G. , HOUK K. N.
Published: May 2016

On the basis of best sphere ?t radii for migrating hydrogen it is found that [l,5]‐sigmatropic hydrogen rearrangements, while concerted, exhibit subtle differences in their transition structures, depending on the Substrate (e.g.
ChemInform Abstract: Photochemical Reactions of 3‐Phenyl‐2H‐1,4‐benzoxazin‐2‐one and of Related Compounds in the Singlet and Triplet State.
Authors: TAUER E. , GRELLMANN K.‐H.
Published: May 2016

Benzoxazole (I) is formed by photolysis in 2‐propanol or methylcyclohexane in the presence or absence of oxygen.
ChemInform Abstract: Chemistry of Organic Fluorine Compounds. Part 29. Photochemical Chlorotrifluoroethylation of 1,2‐, 1,3‐, and 1,4‐Diols.
Authors: DEDEK V. , HEMER I.
Published: May 2016

The UV light‐initiated reaction of Chlorotrifluoroethylene (III) with 1,2‐ethanediol (I) proceeds only in the presence of acetone (II) and gives (IVa) as major product.
ChemInform Abstract: N‐[1‐(Acyloxy)alkyl]heteroarylium Salts in Synthesis. Part 3. Intramolecular ortho‐ Acylation of Some N‐Heteroaromatic Ring Systems.
Authors: ANDERS E. , BOLDT H. G. , CLARK T. , FUCHS R. , GASSNER T.
Published: May 2016

Die Salze (IV) sind direkt (nach Literaturmethoden) aus den Komponenten (I), (II), (III) zugänglich; analog werden die Salze (V)‐(VIII) gewonnen.
ChemInform Abstract: Methyl‐halogenated Allyl Methyl Sulfoxides and Sulfones and the Synthesis of Halogenated Sulfines.
Authors: HOLOCH J. , SUNDERMEYER W.
Published: May 2016

The allyl methyl sulfoxides (Ic)‐(If) are synthesized from the sulfenylchlorides (IV) and allyl alcohol (V).
ChemInform Abstract: Expedient Synthesis of 1,3‐Cyclobutanedione via Thermal Dimerization of tert‐Butoxyethyne.
Authors: PERICAS M. A. , SERRATOSA F. , VALENTI E.
Published: May 2016

Tert.‐Butoxyacetylen (I) wird thermisch unter Spaltung über Keten in 3‐tert.‐Butoxycyclobutenon (II) umgewandelt und sauer zum 1,3‐Cyclobutandion (III) hydrolysiert.
ChemInform Abstract: Regioselective Synthesis of Substituted Bicyclo[3.2.1]oct‐3‐ene‐2,8‐diones via Double Carbonylation of 1,3‐Cyclohexadienes.
Authors: EILBRACHT P. , JELITTE R. , TRABOLD P.
Published: May 2016

Ausgehend von entsprechenden Dienen (I) sind wie bekannt über die Komplexe (II) durch deren Lewis‐Säuren‐katalysierte Carbonylierung die Ringerweiterungsprodukte (IIIa), (IIIb) zugänglich; die neuen Verbindungen (IIIc) werden analog aus den Dienen (IV) gewonnen.
ChemInform Abstract: Efficient Syntheses of Brexane and Homobrexane Monofunctionalized at C‐2.
Authors: NICKON A. , STERN A. G.
Published: May 2016

Aus dem Brom‐propionaldehyd‐acetal (I) erhält man mit Cyclopentadienylnatrium das substituierte Cyclopentadien, das über den Aldehyd zum Olefin (IV) führt und dann thermisch zum Brexan (V) cycloaddiert werden kann.
ChemInform Abstract: Stereochemistry of Adduct Formation Between a Lignin Model Quinone Methide and Anthrone, 10‐Methylanthrone and 10‐Phenylanthrone.
Authors: POPPIUS K.
Published: May 2016

The anthrones (III) react with the quinone methide (II) derived from a phenolic lignin model compound (I) under known conditions to form adducts (IVa) + (IVb), (IVc) + (IVd), or (IVe) similar to those believed to be intermediates in anthraquinone accelerated delignification reactions.
ChemInform Abstract: Studies on Diazepines. Part 22. Synthesis of Monocyclic 1,4‐Dihetero Seven‐Membered Ring Compounds Using Thermal Valence Bond Isomerization of Tricyclo[4.1.0.02,5]heptane Systems.
Authors: KURITA J. , IWATA K. , SAKAI H. , TSUCHIYA T.
Published: May 2016

Die aus den Pyridinen (I) dargestellten Dihydropyridine (II) cyclisieren unter Bestrahlung zu den Bicyclen (III).
ChemInform Abstract: Structure Elucidation of Nitrosocimetidine, a Mutagenic Charge‐Transfer System.
Authors: RICE S. , ICHINOTSUBO D. , MOWER H. , MANDEL M.
Published: May 2016

The mononitroso derivative of the antiulcer drug (I) is isolated as the free base (II) or as the nitrate salt at pH ä 1.0.
ChemInform Abstract: Reaction of Trifluoromethyl Isocyanate with Hydrocyanic Acid.
Authors: GLOTOV E. N. , GONTAR' A. F. , KNUNYANTS I. L.
Published: May 2016

Trifluormethylisocyanat (I) reagiert mit Blausäure in Gegenwart von Triethylarnin zu dem Imidazolidin (II).
ChemInform Abstract: Novel Synthesis of 1,4,2‐Dithiazolium Salts.
Authors: CHAN F. S. Y. , SAMMES M. P.
Published: May 2016

Die aus den Dithiocarbamaten (I) und den Imidchloriden (II) erhaltenen instabilen Verbindungen (III) werden zu den Dithiazoliumsalzen (IV) cyclisiert.
ChemInform Abstract: Multistage Cycloadducts from the Condensation of N,N′‐Dipyrrolylmethane with Acetylenic Dienophiles: Synthesis of the 10,12‐Diazapentacyclo‐ [7.3.1.04,12.05,13.06,10]trideca‐2,7‐diene Ring System.
Authors: VISNICK M. , BATTISTE M. A.
Published: May 2016

Das Dipyrrolylmethan (I) reagiert mit den Alkinen (II) zu den Cycloaddukten (III), von denen (IIIb) zu (IV) um‐ 114 gelagert wird.
ChemInform Abstract: Chemistry of Boron. Part 164. (Benzyl‐tert‐butylamino)boranes and Bis(benzyl‐tertbutylamino)boron(l + ) Salts.
Authors: KOELLE P. + , NOETH H. +
Published: May 2016

Bei der Reaktion des Li‐Amids (III) mit BCI3 (II) entsteht anstelle des erwarteten Borans (I) das Boran (IV).
ChemInform Abstract: Synthesis and Characterization of Novel S‐ and Se‐containing Boron Heterocycles: 1,2,4,6,3,5‐Thiatriazadiborinanes, 1,4,2,6,3,5‐Thiaselenadiazadiborinanes, and 1,2,3‐Diselenaboroles.
Authors: HABBEN C. , MELLER A.
Published: May 2016

Reactions of the boron heterocycles (I), (IV) or (VI) with the corresponding sulphur diimides (II) provide the title compounds (III), (V) or (VII).
ChemInform Abstract: Kinetics and Mechanism of Nitrate Reduction by a Dimeric Aquamolybdenum(III) Complex in Aqueous Solution.
Authors: WIEGHARDT K. , WOESTE M. , ROY P. S. , CHAUDHURI P.
Published: May 2016

The reaction of the Mo(III) Complex (I) with nitrate under strictly oxygen‐free conditions yields quantitatively the Mo(V) complex (II) and nitrite.
ChemInform Abstract: Metmyoglobin and Methemoglobin as Efficient Traps for Nitrosyl Hydride (Nitroxyl) in Neutral Aqueous Solution.
Authors: BAZYLINSKI D. A. , HOLLOCHER T. C.
Published: May 2016

The reactions of metmyoglobin and methemoglobin with trioxodinitrate monoanion HN2O3′ in neutral aqueous solution have been studied at 25°C under anaerobic conditions.
ChemInform Abstract: Triterpenes. Part 72. Preparation of Isomeric 2‐Methyl‐3‐oxolupane‐28‐nitriles.
Authors: KLINOT J. , SVETLY J. , KLINOTOVA E. , VYSTRCIL A.
Published: May 2016

Betulin‐B‐acetate (Ia) is converted to the nitrile (Ib), which undergoes hydrogenation, alkaline hydrolysis, and oxidation to give the ketone (III).
ChemInform Abstract: New Amino‐protective Reagents for tert.‐Butoxycarbonylation and Benzyloxycarbonylation of Amines and Amino Acids.
Authors: KIM S. , LEE J. I. , YI K. Y.
Published: May 2016

New amino‐protective reagents (I) for tert.‐butoxycarbonylation and benzyloxycarbonylation of amines and amino acids have been prepared as shown in the scheme.
ChemInform Abstract: Synthesis and Structural Analysis of 5‐Deoxy‐5‐C‐(hydroxyphosphinyl)‐D‐xylo‐ and ‐glucopyranoses.
Authors: YAMAMOTO H. , HANAYA T. , KAWAMOTO H. , INOKAWA S. , YAMASHITA M. , ARMOUR M.‐A. , NAKASHIMA T. T.
Published: May 2016

Die z.B. durch Michaelis‐Arbuzov‐Reaktion zugänglichen Phosphorsäure‐ ester (I) werden über (II) in die Phosphinyl‐Zucker (III)‐(V) übergeführt, wobei die Verwendung der O‐Benzyl‐ (Ib) und der O‐Acetylverbindung (Ic) gegenüber der Methylverbindung (Ia) Vorteile bietet.
ChemInform Abstract: Synthesis of Necatorone.
Authors: HILGER C. S. , FUGMANN B. , STEGLICH W.
Published: May 2016

Die Synthese von (II) wird, ausgehend von dem Amid (I), beschrieben.
ChemInform Abstract: 1,6‐Dihydro‐3(2H)‐pyridinones. Part 10. 2‐Azabicyclo[2.2.2]octane Ring Formation via Intramolecular Michael Reaction: Total Synthesis of (±)‐Ibogamine and (±)‐Epiibogamine.
Authors: IMANISHI T. , YAGI N. , HANAOKA M.
Published: May 2016

Durch intramolekulare Michael‐Reaktion des aus (I) wie angegeben dargestellten ungesättigten Esters (IV) werden die isomeren Azabicylooctan‐Derivate (V) synthetisiert.
ChemInform Abstract: A General Strategy for the Synthesis of Ipecac and Heteroyohimbine Alkaloids.
Authors: NAITO T. , KOJIMA N. , MIYATA O. , NINOMIYA I.
Published: May 2016

Das durch reduktive Photocyclisierung aus dem Enamid (III) zugängliche Furano‐ " chinolizin (IVa) wird gemäß Formelschema in die Heteroyohimbin‐Derivate (VIII) umgewandelt.
ChemInform Abstract: Total Syntheses of (±)‐Aerothionin, (±)‐Homoaerothionin, and (±)‐Aerophobin‐1.
Authors: NISHIYAMA S. , YAMAMURA S.
Published: May 2016

The phenolic oxidation of oxime (VI) [yield for its preparation from (IV) given in g] leads to the formation of (VIIa), (VIII) and a dimeric product.
ChemInform Abstract: Synthesis of a Naturally Occurring Inhibitor of Glutamine Synthetase, Tabtoxinine‐ β‐lactam.
Authors: BALDWIN J. E. , OTSUKA M. , WALLACE P. M.
Published: May 2016

Gemäß Formelschema erhält man die im Titel genannte Verbindung (XIV).
ChemInform Abstract: Visible and Infrared Spectroscopy of Matrix‐Isolated PuFG.
Authors: DEWEY H. J. , BAREFIELD J. E. II , RICE W. W.
Published: May 2016

Absorption, emission, and excitation spectra have been obtained for the IR and VIS transitions of matrixisolated PUFÖ in Ar.
ChemInform Abstract: Dependence of the Optical Spectrum of MnF6‐ on the Mn2+ ‐ F‐ Distance. ‐
Authors: RODRIGUEZ F. , MORENO M.
Published: May 2016

From measurements of the crystal‐field transitions for RbCdF3:Mn2+ and KZnF3:Mn2+ by means of photoluminescence techniques and from data for RbMnF3 and KMnF3 the dependence of B, C, and 10 Dq parameters on the Mn" ‐ F ′ distance R (derived by EXAFS) for the MnFg" complex is derived.
ChemInform Abstract: Mechanism for the Chemiluminescence in Oxygen ‐ Phosphorus Systems.
Authors: HAMILTON P. A. , MURRELLS T. P.
Published: May 2016

A discharge‐flow/mass spectrometry technique has been used to study the chemilumines‐ Cent reactions of oxygen with different P‐containing compounds.
ChemInform Abstract: Crystal and Molecular Structure and Magnetic Properties of Linear Trimeric Copper(II) Complexes with Predominant Ferromagnetic Exchange Interaction.
Authors: HAASE W. , GEHRING S.
Published: May 2016

The structure of (Ia) is determined from single‐crystal X‐ray diffraction data (space group PT with Z=1) and is compared to that of (Ib) reported previously.
ChemInform Abstract: Evaluation of the Formation Constant for an Imidazolate Bridged Binuclear Complex of Co(TPP).
Authors: BREWER C. T. , BREWER G.
Published: May 2016

Visible absorption measurements indicate that the imidazolate bridged heterobinuclear Complex (III) is formed in a solution of the Schiff base "complex (I) and the cobalt tetraphenylporphyrin (II).
ChemInform Abstract: Ruthenium Tetroxide Oxidation of 1‐Azabicycloalkan‐2‐ones.
Authors: YOSHIFUJI S. , ARAKAWA Y. , NITTA Y.
Published: May 2016

Während die Oxidation der Amide (I) mit aus (II) und (III) erzeugtem Rutheniumtetroxid zu den Lactamen (IV) führt, erfolgt im Falle der bicyclischen Amide (V) Oxidation der tertiären CH‐Gruppe zu den Hydroxy‐ Verbindungen (VI).
ChemInform Abstract: Aldehyde‐Selective Addition of Alkynylchromium Compounds Prepared by Reduction of Alkynyl Halides with Chromium(II) Reagent.
Authors: TAKAI K. , KURODA T. , NAKATSUKASA S. , OSHIMA K. , NOZAKI H.
Published: May 2016

Das Hexinyliodid (I) wird mit einem Gemisch der beiden Oxoverbindungen (II) in Gegenwart von Cr(II)‐chlorid umgesetzt und hierbei fast ausschließlich eine Reaktion an der Aldehyd‐Funktion zu (IIIa) beobachtet.
ChemInform Abstract: A Facile Synthesis of Aminocarboxylic Acid Derivatives. New Anti‐Ulcer Agents.
Authors: TAKESHITA T. , KONDO S. , NARUCHI T.
Published: May 2016

Die aus den Carbonsäuren (I) hergestellten Säurechloride werden nach Friedel‐ Crafts mit (II) zu den Estern (III) umgesetzt, die mit Salzsäure zu den freien Säuren (IV) verseift werden.
ChemInform Abstract: Diels‐Alder Reactions of Cycloalkenones. Part 5. 5‐Alkyl‐2‐cyclohexenones as Dienophiles.
Authors: ANGELL E. C. , FRINGUELLI F. , MINUTI L. , PIZZO F. , PORTER B. , TATICCHI A. , WENKERT E. , HALLS T. D. J. , TOURRIS A. P.
Published: May 2016

Aus den 1,3‐Dienen (I) und den Cyclohexenonen (II) werden die möglichen Stereoisomeren der Addukte (III) hergestellt und zu stereoisomeren Decalonen (IV) in jeweils hohen Ausbeuten hydriert.
ChemInform Abstract: Photosolvolysis of 2‐Allylated Anilines to 2‐Indanols.
Authors: SCHOLL B. , JOLIDON S. , HANSEN H.‐J.
Published: May 2016

Die Aniline (I), (III), (IV) und (VII) mit allylischer Seitenkette in 2‐Stellung reagieren nach A) unter Bildung der entsprechenden 2‐Indanole.
ChemInform Abstract: Aromatic Hydroxylation and Deacylation of 9‐Acylanthracenes by Copper(II)‐Peroxydisulfate.
Authors: CAMAIONI D. M. , ALNAJJAR M. S.
Published: May 2016

In Abhängigkeit von den Reaktionsbedingungen entstehen aus den Acylanthracenen (I) die acylierten (II) und (III) bzw. die desacylierten Anthracen‐ Derivate (IV) und (V) sowie die Säuren (VI) in unterschiedlichen Ausbeuten.
ChemInform Abstract: Electrophilic Cyclization Reaction of gem‐Difluoroolefin Derivatives: Syntheses of 6,6‐Difluorotetrahydro‐2‐pyrones and 2,2‐Difluorotetrahydropyran via Halogen Induced Cyclization.
Authors: MORIKAWA T. , KUMADAKI I. , SHIRO M.
Published: May 2016

Die Difluorolefine (I) bzw. (Vb), die durch modifizierte Wittig‐Reaktion mit (IV) hergestellt werden, werden mit Iod in Acetonitril zu den Tetrahydropyronen (II) bzw. zum Tetrahydropyran (VI) cyclisiert.
ChemInform Abstract: Ba(OH)2 as Catalyst in Organic Reactions. Part 4. Reaction Between Coumarin and Diethyl Malonate.
Authors: SINISTERRA J. V. , MARINAS J. M.
Published: May 2016

The reaction of coumarin (I) with diethyl malonate (II) Catalyzed by an activated barium hydroxide Catalyst (C‐200) in a solid‐liquid system gives the chromene (III).
ChemInform Abstract: Reaction of 4,4‐Dimethyl‐3‐pentyn‐1‐al with Dialkylamines.
Authors: BORISOVA A. I. , MEDVEDEVA A. S. , KALIKHMAN I. D. , BANNIKOVA O. B. , VYAZANKIN N. S.
Published: May 2016

Während das Dimethylpentinal (II) mit den cyclischen Aminen (Ia) und (Ib) zu den Aminalen (III) reagiert, erhält man bei der Umsetzung von (II) mit Diethylamin (Ic) das Diethylaminoacrolein (IV), das sich weiter zum Enaminketon (V) umlagert.
ChemInform Abstract: Synthesis of O,O‐Diethyl‐N‐(2‐ethoxycarbonyl‐2‐cyanovinylamido)phosphite.
Authors: KIBARDIN A. M. , BELOVA I. N. , PUDOVIK M. A. , PUDOVIK A. N.
Published: May 2016

Diethylchlorphosphit (I) reagiert in Gegenwart von Triethylamin mit dem Aminocyanacrylsäureester (II) zu der im Titel genannten Verbindung (III).
ChemInform Abstract: Synthesis and Transformations of Phosphorylated 1,3,5‐Triazine Derivatives.
Authors: ZIMIN M. G. , FOMAKHIN E. V. , ISLAMOV R. G. , PUDOVIK A. N.
Published: May 2016

Cyanurchlorid (I) reagiert mit Natrium‐ oder Ammoniumsalzen von Thio‐ und Dithiophosphorsäureestern (II) zu tris‐phosphorylierten Triazinen (III).
ChemInform Abstract: Copper Complexes of Some Potentially Binucleating Tetradentate Phthalazinehydrazone Ligands. Spontaneous Reduction to form Copper(I) Derivatives.
Authors: THOMPSON L. K. , WOON T. C.
Published: May 2016

The tetradentate phthalazine‐hydrazone ligands L, formed by the reaction of 1,4‐dihydrazinophthalazine and p‐tolualdehyde or 2,5‐dimethylbenzaldehyde (yield 75 respectively 48%), form predominantly Cu(I) derivatives when reacted with Cu(II) salts in solvents containing small amounts of water.
ChemInform Abstract: Synthesis and Structure of 1,3‐Diphenyltriazenidogold(I), a Tetrameric Molecule with Short Gold‐Gold Separations.
Authors: BECK J. , STRAEHLE J. +
Published: May 2016

The air‐stable title compound (I) is obtained by reaction of AuI with Na(PhN3Ph) in liquid NH3.
ChemInform Abstract: C45‐ and C50‐Carotenoids. Part 3. Synthesis of (S)‐Trisanhydrobacterioruberin.
Authors: WOLF J.‐P. , PFANDER H.
Published: May 2016

The achiral synthone (IX) is prepared starting from the ester (I).
ChemInform Abstract: Total Synthesis of (±)‐l.2‐Methoxyabieta‐8,11,13‐trien‐6‐one, a Versatile Intermediate for Diterpene Syntheses.
Authors: BANERJEE A. K. , SULBARAN DE CARRASCO M. C.
Published: May 2016

The alcohol (I) is converted to the formyl derivative (VI) and then subjected to Robinson annelation with (VII), giving rise to a mixtu‐ . re of two diastereomers (VIIIa) (yields of 60 and 12%, respectively).
ChemInform Abstract: Reduction of Hemiacetal Ring‐opened Forms of Asclepiadaceae Cardenolide Glycosides.
Authors: CHEUNG H. T. A. , CHIU F. C. K. , WATSON T. R. , WELLS R. J.
Published: May 2016

Reduction of gomphoside (Ia) with NaBH(CN)3 occured with opening of the 2′‐hemiacetal to yield the β‐D‐ribo‐ (IIa) and ‐arabino‐hexopyranoside (IIb) of 2oL‐hydroxyuzarigenin.
ChemInform Abstract: High Diastereo‐ and Enantioselectivity in the Enzymatic Hydrolysis of a Racemic Anhydrodeoxysugar: A Totally Synthetic Approach to Both Enantiomers of Boivinose.
Authors: BARILI P. L. , BERTI G. , CATELANI G. , COLONNA F. , MASTRORILLI E.
Published: May 2016

Das aus dem Keton (I) und dem Ether (II) zugängliche Dihydropyran (V) ergibt ein Gemisch aus lyxo‐ (VI) und ribo‐Epoxid (VII), von denen nur (VI) stereospezifisch zum D,L‐xylo‐Diol (VIII) hydrolysiert wird.
ChemInform Abstract: A New Structure Type of ABLn2O5 Compounds, BaNiNd2O5 are prepared by solid state reaction of BaCO3, basic NiCO3, and Nd2O3
Authors: SCHIFFLER ST. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

(Ba:Ni:Nd = 1:1:2; 1000°C, 24h in air).
ChemInform Abstract: Crystal Perfection of Silicon Single Crystals Grown by the Magnetic‐Field‐Applied Czochralski Method n (MCZ).
Authors: KAWADO S. , MARUYAMA T. , SUZUKI T. , ISAWA N. , HOSHI K.
Published: May 2016

Si single crystals with various oxygen concentrations, grown by the title method are investigated by two‐step annealing to examine the defect generation associated with oxygen precipitation.
ChemInform Abstract: Photoelectrochemistry of Highly Quantum Efficient Single‐Crystalline n‐FeS2 (Pyrite).
Authors: ENNAOUI A. , FIECHTER S. , JAEGERMANN W. , TRIBUTSCH H.
Published: May 2016

Monocrystalline n‐FeS2 photoelectrodes with high photocurrent quantum ef‐ ?ciency ( 90%) have been obtained by improvement of the solid‐state and interfacial chemistry.
ChemInform Abstract: The Cycle Life of Various Lead Alloys in 5 M H2SO4.
Authors: WEBSTER S. , MITCHELL P. J. , HAMPSON N. A. , DYSON J. I.
Published: May 2016

The effect of potentiodynamic cycling between the PbO2 potential region and the PbSO4 potential region and the charges concerned in the oxidation sweeps are studied in order to compare the electrochemical behavior of different Pb alloys (Pb, Pb ‐ 0.3 Sn ‐ 0.095 Ca, Pb ‐ 0.1 Ca, Pb ‐ 4.5 Sb, Pb ‐ 1.8 Sb ‐ 0.04 Se).
ChemInform Abstract: Mixed MgSO4‐Na2SO4 Effects in the 973 K Hot Corrosion of CoCrAlY.
Authors: JONES R. L. , WILLIAMS C. E.
Published: May 2016

The sulfation and LTHC (low temp. hot Corrosion) behavior of MgSO4‐ Na2SO4 melts has been investigated in order to elucidate the cation effect in mixed‐sulfate Corrosion and predict possible effects of MgSO4‐ Na2SO4 deposits on gas turbine blades.
ChemInform Abstract: Oxidation Properties of Fe‐Al Alloys (1.5‐5 at.‐% Al) in Oxygen at 1173 K.
Authors: AHMED H. A. , SMELTZER W. W.
Published: May 2016

High‐temp. oxidation properties of the Fe‐Al alloys have been investigated in O2 at 1173 K and 1 bar pressure.
ChemInform Abstract: Photochemistry of Colloidal Semiconductors. Part 10. Exclusion Chromatography and Stop Flow Experiments on the Formation of Extremely Small CdS Particles.
Authors: FISCHER CH.‐H. , WELLER H. , FOJTIK A. , LUME‐PEREIRA C. , JANATA E. , HENGLEIN A.
Published: May 2016

The results of gel chromatography of Q‐CdS (particles of extremely small size) prove that the various absorption maxima are caused by particles of different size.
ChemInform Abstract: Stability and Structure of Some Binary and Mixed‐ligand Complexes of Zinc(II).
Authors: NAIR M. S. , PILLAI M. S. , RAMALINGAM S. K.
Published: May 2016

Discussion of the stability constants for the binary Complexes in the system Zn/ L (L: DL‐2,3‐diaminopropionic acid, DL‐2,4‐diaminobutyric acid, DL‐ornithine) and the ternary Complexes in the system Zn/ A/ L (A: histamine, L‐histidine) deri‐ 21 ved by a computer‐based analysis of the pH titration data.
ChemInform Abstract: The Mechanisms of Stereoselective Michael Addition and Stereoselective Metallation Yielding Z‐ and E‐Lithio‐3,3‐Diphenylpropionylmesitylene.
Authors: IGNATOVA‐AVRAMOVA E. P. , POJARLIEFF I. G.
Published: May 2016

The amount of Z‐isomer (III), which is obtained from the kinetic Z‐selective Michael addition of (I) (preferred s‐trans conformation), enhances with increasing cation‐solvating ability of the solvent system.
ChemInform Abstract: 3‐(4‐Hydroxyphenylthio)pyrrolidine‐2,5‐diones.
Authors: PASTOR S. D. , HESSELL E. T. , ODORISIO P. A. , SPIVACK J. D.
Published: May 2016

Aus den Maleinsäureimiden (I) erhält man mit den p‐Mercapto‐phenolen (II) die Addukte (III); in gleicher Weise werden Bis‐Addukte (IV) hergestellt.
ChemInform Abstract: Formation of 3‐Phenylhydrazono‐3‐aroylpropionamides from the Reaction of 5‐Aroyl‐3(2H)‐isothiazolones with Phenylhydrazine.
Authors: TSOLOMITIS A. , SANDRIS C.
Published: May 2016

Aus den 5‐AroyI‐isothiazo‐ Ionen (I) erhält man mit Phenylhydrazin (II) unter Ringöffnung die Hydrazone (III).
ChemInform Abstract: Novel Oxidation of Tetrasubstituted Furans by Pyridinium Chlorochromate.
Authors: AKHTAR M. S. , SETH M. , BHADURI A. P.
Published: May 2016

Die Furane (I) werden oxidativ mit PCC zu den ungesättigten Ketoestern (II) gespalten.
ChemInform Abstract: Highly Efficient NaOCl Olefin Epoxidations Catalyzed by Imidazole or Pyridine "Tailed" Manganese Porphyrins Under Two‐Phase Conditions.
Authors: MONTANARI F. , PENSO M. , QUICI S. , VIGANO P.
Published: May 2016

3‐Chlormethyl‐pyridin (I) liefert mit (II) den Ether (III), aus Imidazol (IV) und Hexamethylenbromid (V) ist das Substitutionsprodukt (VI) zugänglich.