bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Reactions of Porphyrins with Nitronium Tetrafluoroborate in Pyridine.
Authors: CAVALEIRO J. A. S. , NEVES M. G. P. M. S. , HEWLINS M. J. E. , JACKSON A. H. 
Published: May 2016

AbstractThe porphyrin (Ia) reacts with (II) in pyridine to afford the meso‐nitro compound (Ib).
ChemInform Abstract: Structures of ent‐Herbertane Sesquiterpenoids Displaying Antifungal Properties from the Liverwort Herberta adunca.
Authors: MATSUO A. , YUKI S. , NAKAYAMA M. 
Published: May 2016

AbstractThe structures of the title compounds (I)‐(VI) are elucidated by degradation reactions and spectroscopic methods.
ChemInform Abstract: Stereoselective Glycosylation of Steroid Alcohols Using 2,3,4,6‐Tetra‐O‐pivaloyl‐ α‐D‐glucopyranosyl Bromide (Pivalobromoglucose) and 2,3,4,6‐Tetra‐O‐(o‐toluoyl)‐ α‐D‐glucopyranosyl Bromide.
Authors: HARREUS A. , KUNZ H. 
Published: May 2016

AbstractStructurally diverse steroid alcohols of type (I) possessing hydroxylic functions of electronically and sterically different reactivity and, furthermore, including sensitive groups, are effectively and selectively converted into their β‐glycosides (III) using the bromide (II).
ChemInform Abstract: Synthesis of 5‐(β‐D‐Ribofuranosyl)‐1,2,4‐oxadiazole‐3‐carboxamide.
Authors: HENNEN W. J. , ROBINS R. K. 
Published: May 2016

AbstractAus den Säurechloriden (I) erhält man mit dem Amidoxim (II) die Oxadiazole (III).
ChemInform Abstract: Ebenaceae Extractives. Part 9. New Naphthoquinones and Binaphthylquinones from Macassar Ebony.
Authors: MAITI B. C. , MUSGRAVE O. C. 
Published: May 2016

AbstractIn addition to the known compounds macassar II and its methyl ether, macassar III, diomelquinone A (I), compound (II), celebaquinone (III), isocelebaquinone (IV), diosindigo B (V) and its dihydro derivative (VI) are isolated from Diospyros celebica Bakh.
ChemInform Abstract: Epoxidation of Unsaturated Macrolides: Stereocontrolled Routes to Ionophore Subunits.
Authors: SCHREIBER S. L. , SAMMAKIA T. , HULIN B. , SCHULTE G. 
Published: May 2016

AbstractThe racemic cyclohexanone (I) serves as key compound for the synthesis of the cyclic epoxide (IV), while the second cyclic epoxide (VI) is obtained from the peroxide (V).
ChemInform Abstract: Kinetics and Morphology of GaAs Etching in Aqueous CrO3 ‐ HF Solutions.
Authors: VAN DE VEN J. , WEYHER J. L. , VAN DEN MEERAKKER J. E. A. M. , KELLY J. J. 
Published: May 2016

AbstractOn the basis of two ternary composition diagrams, three regions of different etching kinetics can be delineated for the etching of n‐ and p‐type GaAs in the H2O ‐ CrO3 ‐ HF system.
ChemInform Abstract: Reduction of Surface Stacking Faults on N‐Type (100)Silicon Wafers.
Authors: KOOB P. W. , FRAUNDORF G. K. , CRAVEN R. A. 
Published: May 2016

AbstractIt is shown that the reason that n‐type (l00)Si wafers usually form stacking faults rather than S‐ pits after a 1100°C steam oxidation in the presence of metal contamination is that their surfaces can more easily be contaminated with metals compared to other wafer types and orientations.
ChemInform Abstract: Hydrogen Absorption in ε‐Ti3P.
Authors: HALTER U. , MROWIETZ M. , WEISS A. 
Published: May 2016

AbstractFrom the absorption isotherms in the ranges 935 ä T ä 1175 Kand 0.009 ä p(H2) g 1 bar AH° H = ‐42.2 kJ mol‐1 and a linear dependence of AHH on the hydrogen concentration are found.
ChemInform Abstract: CoX2(NO)(PMe3)2 Complexes: an Example of the Influence of X (X: Cl, Br, I, NO2) on the Stereochemistry and Electronic Structure of the Five‐coordinate {Co ‐ NO}8 Complexes.
Authors: ALNAJI O. , PERES Y. , DARTIGUENAVE M. , DAHAN F. , DARTIGUENAVE Y. 
Published: May 2016

AbstractThe title complexes exhibit markedly different v(NO) stretching frequencies and different geometries.
ChemInform Abstract: Chirospecific Synthesis of (S)‐(+)‐ and (R)‐(‐)‐5‐Amino‐4‐hydroxypentanoic Acid from L‐ and D‐Glutamic Acid via (S)‐(+)‐ and (R)‐(‐)‐5‐Hydroxy‐2‐oxopiperidine.
Authors: HERDEIS C. 
Published: May 2016

Abstract(S)‐5‐Hydroxy‐2‐oxopiperidin (VI) wird stereospezifisch in "5 Stufen aus L‐Glutaminsäure (I) hergestellt und anschließend mit Bariumhydroxid zur Amino‐hydroxycarbonsäure (VII) gespalten.
ChemInform Abstract: Lewis Acid Promoted Aromatic Cyclization of α‐Chlorosulfides: Synthesis of Ethyl Isothiochroman‐1‐carboxylate and Related Compounds.
Authors: ISHIBASHI H. , OKADA M. , IIDA K. , IKEDA M. 
Published: May 2016

AbstractAus den Ethoxycarbonylmethyl‐sul?den (I) entstehen über die Chlorverbindungen (II) die Cyclisierungsprodukte (III), die zu Carbonsäuren (IV) verseift werden können.
ChemInform Abstract: Ring Transformation of 3‐Hydroxy‐l,2,5‐ and ‐1,2,4‐thiadiazoles and ‐isothiazoles into Isothiazole, Thiazole and Thiophene Derivatives.
Authors: MATAKA S. , TAKAHASHI K. , TASHIRO M. 
Published: May 2016

AbstractDie Hydroxythiazole (I), (VI) und (X) reagieren in Acetanhydrid in Gegenwart von DBU je nach Reaktionstemperatur unter Ringtransformation zu den um ein Stickstoffatom im Ring ärmeren Folgeprodukten (II)‐(V), (VII), (VIII), (XI)‐(XIII) sowie (XV) und (XVI) neben den Acetylierungsprodukten (IX) und (XIV).
ChemInform Abstract: Organotellurinic Acid Anhydrides as Selective Oxidants in Organic Synthesis.
Authors: BARTON D. H. R. , FINET J.‐P. , THOMAS M. 
Published: May 2016

AbstractThe aryl tellurinic anhydrides (II), which are prepared from the trichlorides (I), are shown to be useful selective oxidants.
ChemInform Abstract: Iodotrimethylsilane Reduction of Benzoins: Synthesis of Deoxybenzoins and Tetraarylfurans.
Authors: KREPSKI L. R. , HEILMANN S. M. , RASMUSSEN J. K. , TUMEY M. L. , SMITH H. K. II 
Published: May 2016

AbstractBei der Reduktion der Benzoine (I) mit Trimethylsilyliodid (II) entstehen Gemische aus den Desoxybenzoinen (III) und den Furanen (IV).
ChemInform Abstract: ′The Synthesis of 10,10‐Disubstituted Anthrones via the Rearrangements of 9‐Anthryl Ethers.
Authors: BRANZ S. E. , CARR J. A. 
Published: May 2016

AbstractBei der Alkylierung des aus (Ia) über (Ib) hergestellten Phenylanthrons (Ic) werden Gemische der O‐Alkylierungsprodukte (III) und der C‐Alkylierungsprodukte (IV) erhalten.
ChemInform Abstract: Synthesis of Diisopropylidenethiirane (Thiiranoradialene) and Its Reactions.
Authors: ANDO W. , HANYU Y. , KUMAMOTO Y. , TAKATA T. 
Published: May 2016

AbstractThe title compound (VII) is prepared by a sequence of two ring contractions involving the carbene reaction of (III) t‐o give (IV) and the transformation of the carbene (VI) to give (VII).
ChemInform Abstract: Stereochemistry and Ring Opening of a Carbocyclic Analogue of a 1‐Oxapenam.
Authors: AGATHOCLEOUS D. , COX G. , PAGE M. I. 
Published: May 2016

AbstractDas aus dem Säurechlorid (I) erhaltene Keten (II) reagiert mit 2,3‐Dihydrofuran (III) zum Addukt (IV), das mit Boranat zum Carbinol (V) reduziert bzw. salzsauer zum Keton (VI) gespalten wird.
ChemInform Abstract: The Asymmetric Transformation of a 1,2‐Dihydro‐3H‐pyrrolo[1,2‐a]pyrrole‐1‐carboxylate Ester.
Authors: HAGMANN W. K. 
Published: May 2016

AbstractAus der racemischen Säure (Ia) entsteht mit dem optisch aktiven (R)‐Alkohol (II) ein Gemisch der diastereomeren Ester d‐(Ib) und l‐(Ib), das beim Umkristallisieren in Gegenwart katalytischer Mengen DBN (III) in überwiegendem Maße zu l‐(Ib) isomerisiert wird.
ChemInform Abstract: Preparation of Pyrrolo[3,2,1‐jk]carbazole by Nickel(0) Mediated Ring Contraction of Pyrrolo[3,2,1‐jk]phenothiazine.
Authors: KLINGSTEDT T. , HALLBERG A. , DUNBAR P. , MARTIN A. 
Published: May 2016

AbstractDie substituierten Acetaldehyde (I) werden an Molekularsieben zu den Tetracyclen (II) kondensiert.
ChemInform Abstract: On the Synthesis of Geometric Isomers of 2‐Methyl (or Phenyl)‐4‐[α‐ arylethylidene]‐5(4H)‐oxazolones.
Authors: CATIVIELA C. , DIAZ DE VILLEGAS M. D. , MELENDEZ E. 
Published: May 2016

AbstractDie Carbonylverbindungen (I) und die Acylglycine (II) werden zu den Arylidenoxazolonen (III) kondensiert.
ChemInform Abstract: Phase‐Transfer Catalysis of Dipolar Species. 1,3‐Dipolar Cycloadditions of Pyridinium Ylides in a Liquid‐Liquid Biphasic System.
Authors: GANDASEGUI M. T. , ALVAREZ‐BUILLA J. 
Published: May 2016

AbstractThe title reaction between the ylides (I) and the dipolarophiles (II) furnishes the cycloadducts (III) in various yields.
ChemInform Abstract: Synthesis and Stereochemistry of Fluorene‐9 and Benzo[b]fluorene‐11‐spiro‐ 5′‐[1′,3′]dioxanes.
Authors: HAHN W. E. , SOKOLOWSKA A. 
Published: May 2016

AbstractThe preparation of the fluorene‐9‐dioxanes (III) and of the benzofluorene‐l l‐dioxanes (V) is described.
ChemInform Abstract: (Perhalogenomethylthio)heterocycles. Part 19. Production and Properties of Tetrakis(trifluoromethylthio)thiophene, Tetrakistrifluoromethyl‐ thio)‐1,2‐dithiine, 2,3,4‐Tris(trifluoromethylthio)‐5‐trifluoromethyl‐ thiophene and 1‐Chloro‐tetrakis(trifluoromethylthio)pyrrole.
Authors: HAAS A. , KLARE C. , KRAECHTER H.‐U. + 
Published: May 2016

AbstractDas bereits früher beschriebene Tetrakis‐(trifluormethylthio)‐pyrrol (II) wird in die N‐Chlorverbindung (I) sowie über das Silbersalz mit Trifluormethylsulfenylchlorid (III) in Pentakis‐(tri?uormethylthio)‐ pyrrol (IV) übergeführt.
ChemInform Abstract: Synthesis of 4‐(2H‐1,2,3‐Triazol‐2‐yl)pyrimidines.
Authors: GIAMMANCO L. , INVIDIATA F. P. 
Published: May 2016

AbstractDie Triazolylpyrimidine (III) werden entweder direkt durch Umsetzung der Hydrazine (I) mit den α‐Dicarbonyloximen (II) oder über die Kondensationsprodukte (V) erhalten.
ChemInform Abstract: A Convenient Synthesis of Novel [1,2,4]Triazolo[4,3‐a][1,5]benzodiazepine Derivatives.
Authors: AVERSA M. C. , FERLAZZO A. , GIANNETTO P. , KOHNKE F. H. 
Published: May 2016

AbstractDurch Cycloaddition der Imidchlorid‐Derivate (II) an die Benzodiazepine (I) bzw. (IV) entstehen die tricyclischen (III) bzw. tetracyclischen Addukte (V).
ChemInform Abstract: Synthesis via Sigmatropic Rearrangements. Part 11. [3,3]‐Sigmatropic Rearrangement of Silyl Ketene Acetals of Methyl α‐(Allyloxy)acetates.
Authors: RAUCHER S. , GUSTAVSON L. M. 
Published: May 2016

AbstractAus den Estern (I), (III), (V) und (VII) werden die Umlagerungsprodukte (II), (IV), (VI) und (VIII) erhalten.
ChemInform Abstract: The Catalysis of Tetraalkyldiphosphone Imide Decomposition.
Authors: FOSS V. L. , NEGANOVA E. G. , VEITS YU. A. , TOROCHESHNIKOV V. N. 
Published: May 2016

AbstractDie Zersetzung des Diphosphanimids (I) zu dem Diphosphan (III) verläuft in Konkurrenz zur Umlagerung zum Bis‐phosphanoamin (II).
ChemInform Abstract: Relative Reactivity of 2‐Diphenylphosphinoyl‐ and 2‐Diphenylthiophosphinoyl‐ 2‐[1,3]dithianyllithium as Wittig‐Horner/Corey‐Seebach Reagents.
Authors: JUARISTI E. , GORDILLO B. , VALLE L. 
Published: May 2016

AbstractThe reaction of (I) with BuLi and (II) gives a phosphine intermediate, which is converted to (IIIa) and (IIIb) by spontaneous oxidation during work‐up or treatment with elemental sulfur, respectively.
ChemInform Abstract: Synthesis, Characterization, and Crystal Structure of a Hexaaza Macrocyclic Complex of Lutetium(III).
Authors: BOMBIERI G. , BENETOLLO F. , POLO A. , DE COLA L. , SMAILES D. L. , VALLARINO L. M. 
Published: May 2016

AbstractThe Schiff‐base condensation of 2,6‐diacetylpyridine and 1,2‐diaminoethane ,in the presence of Lu(III) acetate (MeOH, reflux, 6 h), followed by precipitation with perchlorate ions yielded the title complex (I), which crystallizes in the space group P1 with Z=2.
ChemInform Abstract: Tungsten ‐ Tungsten Triple Bond. Part 12. Bis(1,3‐diaryltriazenido)bis(dimethylamido)diethylditungsten (M ≡ M) Compounds.
Authors: CHISHOLM M. H. , CHIU H. T. , HUFFMAN J. C. , WANG R. J. 
Published: May 2016

Abstractanti‐ and gauche‐isomers of the W2 complex (I) react with 1,3‐diaryltriazenes to give the disubstitution products (II) in three isomeric forms A, B, and C. Isomers Aand Bare formed kinetically from gauche‐ and anti‐(I), respectively.
ChemInform Abstract: Synthesis, Characterization, and Structure of a Novel Hexanuclear Iron‐Sulfur‐Carbonyl Cluster, the [Fe6S6(CO)12]2‐ Ion.
Authors: LILLEY G. L. , SINN E. , AVERILL B. A. 
Published: May 2016

AbstractThe title complex is prepared by reaction of a solution of Fe2(SH)2(CO)6 in THF with a solution of [NEt4]2[Fe2S2Cl4] in the presence of NEt3 in DMF at 0°C or via partial oxidative decarbonylation of Fe2S2(CO)6 by addition to a "o‐xylylene‐a,on′‐dithiolate‐disulfide" mixture arising from the reaction of 1,2‐bis(mercaptomethyl)benzol with BuLi followed by oxidation of half the thiolates with I2 in THF (yield 29%).
ChemInform Abstract: N‐Acyl isocyanide Complexes of Iron(II) Porphyrins: Analogy Between the Bonding Properties of N‐Acyl Isocyanides and Carbon Monoxide.
Authors: LE PLOUZENNEC M. , BONDON A. , SODANO P. , SIMONNEAUX G. 
Published: May 2016

AbstractN‐Acyl isocyanide Complexes of Iron(II) Porphyrins: Analogy Between the Bonding Properties of N‐Acyl Isocyanides and Carbon Monoxide.
ChemInform Abstract: Nature of the Axial Bond Between Dimethyl Sulfoxide and a Series of Dirhodium Complexes.
Authors: CHAVAN M. Y. , LIN X. Q. , AHSAN M. Q. , BERNAL I. , BEAR J. L. , KADISH K. M. 
Published: May 2016

AbstractThe dirhodium complexes (I) are synthesized by the stepwise exchange reaction of Rh2(OOCCH3)4 with acetamidate ligands.
ChemInform Abstract: Synthesis and Photo ‐ Redox Behavior of cis‐N,N′‐Bridged Indigos.
Authors: SETSUNE J. , FUJIWARA T. , KITAO T. 
Published: May 2016

AbstractOn irradiation with visible light in benzene solution in the presence of triethylamine, compounds (IIIa), (IIIb) (n : 4) and (IVb) are reduced in two one‐electron steps: initially a semi‐reduced racfilcal is formed as a transient state; further reduction affords the leuko formmecom?anied by increasing absorption at shorter wavelengths.
ChemInform Abstract: A Lithiation Route to C‐5 Substitution of an Imidazole Nucleoside and Its Application to the Synthesis of 3‐Deazaguanosine.
Authors: TANAKA H. , HIRAYAMA M. , SUZUKI M. , MIYASAKA T. , MATSUDA A. , UEDA T. 
Published: May 2016

AbstractLithiation of the compound (II) affords the C‐5 anion which reacts with a series of electrophiles to provide the 5‐substituted derivatives (III).
ChemInform Abstract: Pretreatments of Porous Silica for Improving the Activity of a Nickel‐Loaded Catalyst.
Authors: ARAI M. , IKUSHIMA Y. , NISHIYAMA Y. 
Published: May 2016

AbstractPretreatment of the support with H2O, EtOH, or BuOH improves the activity of Ni/siOz catalysxs for ethane hydrogenolysis and furan hydrogenation as well as their thermal stability.
ChemInform Abstract: Asymmetric Oxidation of Sulfides with Optically Active Hydroperoxides Prepared by Singlet Oxygenation of Thiazolidine Derivatives.
Authors: TAKATA T. , ANDO W. 
Published: May 2016

AbstractPhotosensitized oxidation of the thiazolidine derivatives (I) to give the hydroperoxides (II) followed by addition of the prochiral sulfides (III) gives the chiral sulfoxides (IV) in a single reaction.
ChemInform Abstract: Michael Reactions with α,β‐Unsaturated Amides Activated by the CsF/Si(OCH3)4 System.
Authors: CHUIT C. , CORRIU R. J. P. , PERZ R. , REYE C. 
Published: May 2016

AbstractWhen method A) is used in the reactions ofogß‐ethylenic tertiary amides with compounds with activated methylene groups, normal 1,4‐addition products such as (III), (V) or (VIIIa) are observed.
ChemInform Abstract: Reactions of o‐Quinone Monoimides with Sulfoxides, Diazoalkanes and Triphenylphosphine.
Authors: HEINE H. W. , EMPFIELD J. R. , GOLOBISH T. D. , WILLIAMS E. A. , GARBAUSKAS M. F. 
Published: May 2016

AbstractDie o‐Chinonmonoimide (I) reagieren mit den Sulfoxiden (II) zu den Sulfoximinen (III), das Diimid (IV) und DMSO (V) machen das Sulfoximin (VI) zugänglich.
ChemInform Abstract: Dehydrobromination of γ‐Bromo‐β‐oxonitriles with Silver Oxide in the Presence of 1,3‐Dienes and Ethyl Vinyl Ether.
Authors: FOEHLISCH B. + , HERTER R. , WOLF E. 
Published: May 2016

AbstractThe reaction of the title compounds (I) with the furans and pyrroles (II) and (V) in the presence of AgzO gives the expected [4 + 3] cycloadducts (III), (IV), (VI)‐(IX) and (XI); yields are markedly lower, however, than in the corresponding conversions of unsubstituted furan studied previously.
ChemInform Abstract: Diazafulvenones. Thermal Isomerizations and Eliminations in Alkoxycarbonyl am] Anilinocarbonyl Derivatives of Imidazole.
Authors: MAQUESTIAU A. , TOMMASETTI A. , PEDREGAL‐FREIRE C. , ELGUERO J. , FLAMMANG R. , WIERSUM U. E. , BENDER H. , WENTRUP C. 
Published: May 2016

AbstractDie Vakuum‐Pyrolyse der Imidazol‐Derivate (I) und (IV) führt zu den Ketenen (II) bzw. (V) als reaktive Zwischenstufen.
ChemInform Abstract: Cerium(IV) Ammonium Nitrate Oxidation of 5‐Hydroxy‐2‐methoxytropone to Bitropolonyl Derivatives and One‐Step Synthesis of 3‐Methoxy‐p‐tropoquinone.
Authors: MORI A. , ISAYAMA Y. , TAKESHITA H. 
Published: May 2016

AbstractCe(IV) oxidizes the tropone (Ia) in absolute methanol to give predominantly C ‐Ccoupling products [(11), (V), and (VI), the bis‐monoacetal of the hitherto unknown bisquinone (VII)], whereas no dimeric products are obtainable from (Ib) by Ce(IV) or TKNOJ), oxidation.
ChemInform Abstract: Stoichiometry and Structural Effects in Alcohol Chemisorption/Temperature‐Programmed Desorption on MoO3.
Authors: FARNETH W. E. , STALEY R. H. , SLEIGHT A. W. 
Published: May 2016

AbstractThe mechanism of alcohol oxidation over M093 is examined by using temp.‐programmed desorption spectroscopy with simultaneous microbalance and mass spectral deteclion.
ChemInform Abstract: Facile Reduction of Pyridines with Nickel‐Aluminium Alloy.
Authors: LUNN G. , SANSONE E. B. 
Published: May 2016

AbstractNickel‐Aluminium‐Legierung in verdünntem Alkali reduziert Pyridin‐Derivate (I) zu den entsprechenden Piperidinen.
ChemInform Abstract: [Methoxy(phenylthio)methyl]lithium und [Methoxy(phenylthio)(trimethylsily)methyl]lithium. Convenient Reagents for the Facile Conversion of Aldehydes, Ketones and 3‐Alkoxy Enones into Ketene O,S‐Acetal Derivatives.
Authors: HACKETT S. , LIVINGHOUSE T. 
Published: May 2016

AbstractDas aus Thiophenol (I) 3 und Dimethoxymethan (II) erhaltene Methoxymethylsul?d (III) addiert sich nach Metallierung zum a‐Lithiothioether (IV) an die Ethoxycyclohexenone (V) zu den QS‐Acetalen (VI), die nach Alkylierung zu den Keten‐QS‐acetalen (VIII) zu den Ketoestern (IX) hydrolysiert werden können; die Hydrolyse von (VI) macht die un.
ChemInform Abstract: Palladium‐Catalyzed Double Carbonylation of Aryl Halides Affording α‐Kelo Amides.
Authors: OZAWA F. , YANAGIHARA H. , YAMAMOTO A. 
Published: May 2016

AbstractIn Abhängigkeit von den Reaktionsbedingungen entstehen bei der Palladium‐katalysierten Carbonylierung der o‐Halogenacetanilide (I) mit wechselnden Ausbeuten das doppelte Carbonylierungsprodukt (II) und das Amid (III).
ChemInform Abstract: Practical Synthesis of 1,3‐Dienes Using Allyltriphenylsilane and Titanium Tetraisopropoxide.
Authors: IKEDA Y. , YAMAMOTO H. 
Published: May 2016

AbstractThe triphenylsilyl group as a control element in the Peterson olefination and the alkoxytitanium moiety of the intermediate saIt (II) provide the regioand stereoselective course of the reaction with the aldehydes (III).
ChemInform Abstract: Derivatives of Functionalized Fluoro Esters und Fluoro Ketones.
Authors: KRESPAN C. G. 
Published: May 2016

AbstractDie funktionalisierten Fluorcarbonsäureester (I) bilden mit tertiären Aminen die quartären Ammoniumcarboxylate (II), deren Pyrolyse im Fan, von (IIb) und (IIc) in Gegenwart von Iod unter Decarboxylierung zu den Iodidcn (III) führt.
ChemInform Abstract: Fluorocarbanion Chemistry. A Versatile Synthesis of Functionalized Fluoro Ketones.
Authors: KRESPAN C. G. , SMART B. E. 
Published: May 2016

AbstractDurch Addition eines Anions B′ an Fluorolefine (I) zunächst entstehende Fluorcarbanionen werden mit Fluorcarbonsäureestem (II) unter Bildung funktionalisierter Fluorketone (III) abgefangen; bei geänderter Aufarbeitungsmethode werden die entsprechenden Acetale (IV) erhalten.
ChemInform Abstract: Thermally Initiated Reactions of (Z)‐Epoxyhexenynes. A Facile Preparation of 3,4‐Annulated Furans.
Authors: EBERBACH W. , ROSER J. 
Published: May 2016

AbstractConversion of the alcohols (I) to the isopropyl ethers ( 1) followed by regioselective alkynylation and a hydroIysis‐dehydration process yields the aldehydes (V).
ChemInform Abstract: Reinvestigaton on the Adducts Derived from N‐Alkyloxaziridine and Phenyl Isothiocyanate.
Authors: KOMATSU M. , OHSHIRO Y. , AGAWA T. , KURIYAMA M. , YASUOKA N. , KASAI N. 
Published: May 2016

AbstractAufgrund von Kristallstrukturdaten und 13C‐NMR‐spektroskopische" P Untersuchungen werden den durch Umsetzung von (I) mit (II) entstehenden Cy‐ cloaddukten entgegen früheren Angaben die revidierten Strukturen (III) bis (v) 2W geordnet.
ChemInform Abstract: Brominated Derivatives of 4‐Hydroxy‐ and 4‐Methoxy‐6‐methyl‐2H‐pyran‐2‐ones.
Authors: DE MARCH P. , MORENO‐MANAS M. , PI R. , RIPOLL I. , SANCHEZ‐FERRANDO F. 
Published: May 2016

AbstractUnter Anwendung bekannter Methoden wird aus den Pyronen (I) eine Vie zah z.Tl. neuer Bromderivate (II) hergestellt.
ChemInform Abstract: Linear Furano Compounds: Synthesis of 7H‐Furo[3,2‐g][1]benzopyran‐7‐ones.
Authors: GEETANJALI Y. , RAJITHA B. , RAO M. K. 
Published: May 2016

AbstractThe benzofurans (I) react with the phenylacetate (III) to give the furobenzopyranones(IIa) and (IIb).
ChemInform Abstract: Formation of Sulfonium Tetrafluoroborates from Reactions of γ,δ‐Unsaturated Ketones with Thiols in the Presence of Boron Trifluoride Etherate.
Authors: MARCHAND A. P. , KAYA R. , MUCHMORE S. W. , VAN DER HELM D. 
Published: May 2016

AbstractDas Pentacycloenon (I) liefert mit Methylmercaptan (II) und BFyEiherat (III) das Methylthiosulfoniumsalz (IV), das sich mit KOH zum Dithioacetal (V) spalten läßt; HgClz wandelt (V) wieder in (I) um.
ChemInform Abstract: Reaction of Cycloaliphatic Carbodiimides with Oxalyl Chloride.
Authors: RICHTER R. , BARSA E. A. 
Published: May 2016

AbstractIn Abhängigkeit von der Ringgröße der cyclischen Carbodiimide (I) entstehen durch Umsetzung mit Oxalylehlorid bzw. Methoxalylchlorid entweder die tricyclischen Addukte (II) bzw. (V) oder aus dem höhergliedrigen cyclischen Carbodiimid (Ic) die bicyclische Verbindung (III).
ChemInform Abstract: Complexation of Arenes by Macrocyclic Hosts in Aqueous and Organic Solutions.
Authors: DIEDERICH F. , DICK K. , GRIEBEL D. 
Published: May 2016

AbstractHydrolysis of the diester (Ia) to give the corresponding dicarboxylic acid followed by reaction with N‐hydroxysuccinimide (III) gives (Ib), which is convcrted to the triamine (Id) via the triamide (Ic).
ChemInform Abstract: Hydroboration. Part 75. Directive Effects in the Hydroboration of Vinyl and Propenyl Heterocycles with Representative Hydroborating Agents.
Authors: BROWN H. C. , PRASAD J. V. N. V. , ZEE S.‐H. 
Published: May 2016

AbstractDie Regioselektivität der Hydroborierung der Vinyl‐ und PropenyI‐Heterocyclen (I)‐(V) wird mit einer Reihe von Hydroborierungs‐Reagentien (Boran‐Dimethylsul?d, Borabicyclononan, Dicyclohexylboran, Disiamylboran) systematisch untersucht.
ChemInform Abstract: Addition Compounds of Alkali Metal Hydrides. Part 28. Preparation of Potassium Dialkoxymonoalkylborohydrides from Cyclic Boronic Esters. A New Class of Reducing Agents.
Authors: BROWN H. C. , PARK W. S. , CHA J. S. , CHO B. T. , BROWN C. A. 
Published: May 2016

AbstractDie nach verschiedenen, z.Tl. literaturbekannten Verfahren dargestellten, cyclischen Boronsäureester (I) reagieren mit überschüssigem Kaliumhydrid unter Bildung der entsprechenden Borhydride (ll).
ChemInform Abstract: Triphenylsilyl Cation.
Authors: LAMBERT J. B. , MCCONNELL J. A. , SCHULZ W. J. JUN. 
Published: May 2016

AbstractThe triphenylsilyl cation Ph,Si may be prepared by the Corey method [hydride transfer from the silane (I) to the trityl cation (ll)] as the ion pair in dichloromethane or 1,2‐dichloroethane and as the free ion in acetonitrile or sulfolane.