bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Diels‐Alder Reactions of Cycloalkenones. Part 8. A One‐Step Preparation of 4,4‐Dimethyl‐1‐octalones, Useful Intermediates in Terpene Synthesis.
Authors: FRINGUELLI F. , PIZZO F. , TATICCHI A. , WENKERT E. 
Published: May 2016

AbstractDie durch Lewis‐ Säuren katalysiene Diels‐AIder‐Reaktion von Isopren (II) mit den Cyclohexenonen (I) führt zu den isomcren Octalonen (III) bis (VI).
ChemInform Abstract: New Enzymatic Synthesis 2′‐Deoxynucleoside‐2′,2′‐d2 and the Determination of Sugar Ring Flexibility by Solid‐State Deuterium NMR.
Authors: ROY S. , HIYAMA Y. , TORCHIA D. A. , COHEN J. S. 
Published: May 2016

AbstractAn enzymatic synmgsis of nucleosides selectively deuterated in the deoxyribose ring is described.
ChemInform Abstract: Further Studies on the Reaction of Guanosine Derivatives with Phosphorus Trichloride.
Authors: MARUYAMA T. , SATO Y. , HONJO M. , OISHI H. , OGAWA K. , FUJIWARA T. , TOMITA K. 
Published: May 2016

AbstractDie geschützten Guanosine (I) liefern mit PCI, und den Carbonylverbindungen (II) die Phosphonoalkylguanosine (III), die sich zu den Aglyconen (IV) hydro‐ Iysieren lassen.
ChemInform Abstract: Synthesis of New meta‐Depsides from Ramalina Lichens.
Authors: ELIX J. A. , WARDLAW J. H. 
Published: May 2016

AbstractThe total synthesisof the title lichen depsides (IV) has been carried out by condensation of the conespo ding compounds (I) and (II) [‐ (III)] and subsequent hydrogenolysis.
ChemInform Abstract: Conscripting β‐Lactamase for Use in Drug Delivery. Synthesis and Biological Activity of a Cephalosporin C10‐Ester of an Antibiotic Dipeptide.
Authors: MOBASHERY S. , LERNER S. A. , JOHNSTON M. 
Published: May 2016

AbstractCoupling of um anyliä iodide (Ic) [obtainable from (Ia) via (Ib)] with the dipepxides (II) gives the dipep? esters (IIIa) from which the target compounds (VI) are elaborated as shown in scheme.
ChemInform Abstract: Spinel Phases in the Systems Li1‐xMnRuO4 and Li1‐xFeRuO4.
Authors: KRUTZSCH B. , MOESSNER B. + , KEMMLER‐SACK S. 
Published: May 2016

AbstractIn the new spinel (IVa) Li+ ions occupy the tetrahedral positions and Ru and Mn the octahedral holes.
ChemInform Abstract: Relative Stability Constants of Olefin‐Rhodium(II) vs. Olefin‐Rhodium(I) Coordination as Determined by Complexation Gas Chromatography.
Authors: SCHURIG V. 
Published: May 2016

AbstractRelative stability constants of n‐complexation for more than 40 acyclic and cyclic C2 ‐ C7 monoolefins and 8 alkynes with the Rh(II) complex (I) and the Rh(l) complex (II) are determined from retention data by Complexation gas chromatography and compared to those of AgNO3.
ChemInform Abstract: Ligand‐Addition Reactions of Indium(III) Porphyrins. Reactions of (OEP)InX and (TPP)InX with N‐Methylimidazole and Pyridine.
Authors: CORNILLON J.‐L. , ANDERSON J. E. , KADISH K. M. 
Published: May 2016

AbstractThe title reactions were monitored by 1H NMR, electronic absorption spectroscopy, and conductivity measurements.
ChemInform Abstract: Acid, Base, and Uncatalysed Isomerisation of Z‐ to E‐Amidine. A Mechanistic Study.
Authors: CUNNINGHAM I. D. , HEGARTY A. F. 
Published: May 2016

AbstractThe title compounds (I) are obtained stereospecifically from the corresponding nitrilium ion and dimethylamine, (Ib) being accompanied by an increasing amount of (IIb).
ChemInform Abstract: Thermal Conversion of 1,5,9‐Triynes. [2+2+2]Cycloadditions or [3.3]sigmatropic Shifts?
Authors: DOWER W. V. , VOLLHARDT K. P. C. 
Published: May 2016

AbstractFlash pyrolysis of the decatriyne (III) yields naphthalene (I) and the dicyclobutabenzene (II).
ChemInform Abstract: Intramolecular Catalysis of Sulphate Diester Hydrolysis by One and Two Carboxy Groups.
Authors: DRUMMOND J. N. , KIRBY A. J. 
Published: May 2016

AbstractHydrolysis of the sulphates (IVa) and (IVb) is subject to nucleophilic catalysis by the neighbouring carboxylate group.
ChemInform Abstract: A Convenient Regiospecific and Stereoselective Synthesis of [2,4‐2H2] Methyl‐trans‐4‐oxo‐2‐butenoate.
Authors: SALJOUGHIAN M. 
Published: May 2016

AbstractDer durch Decarboxylierung der markierten Crotonylidenmalonsäure (I) zugängliche deuterierte Sorbinsäureester (II) liefert bei der Ozonolyse die im Titel genannte Verbindung (III).
ChemInform Abstract: Diene‐Ketenes from o‐Quinol‐Acetates.
Authors: QUINKERT G. , KLEINER E. , FREITAG B.‐J. , GLENNEBERG J. , BILLHARDT U.‐M. , CECH F. , SCHMIEDER K. R. , SCHUDOK C. , STEINMETZER H.‐C. , BATS J. W. , ZIMMERMANN G. , DUERNER G. + , REHM D. , PAULUS E. F. 
Published: May 2016

AbstractThe photochemical behaviour of the oquinol‐acetates (I)‐(VI) is examined.
ChemInform Abstract: Methyl Derivatives of Oxalic Acid Dihydroxylamide.
Authors: BARTOS A. , BLIEFERT C. 
Published: May 2016

AbstractDie bisher nicht beschriebenen methylierten Oxalsäuredihydroxylamide (III) werden aus Oxalylchlorid (I) und den entsprechenden Hydroxylaminen (II) hergestellt.
ChemInform Abstract: Studies on Organic Fluorine Compounds. Part 48. Synthesis of Fluoroolefins by the Ring‐Opening Reaction of gem‐Difluorocyclopropane Derivatives.
Authors: TAGUCHI T. , MORIKAWA T. , TAKIGAWA T. , YOSHIZAWA A. , TAWARA Y. , KOBAYASHI Y. 
Published: May 2016

AbstractDie Stereoselektivität der Reduktion der durch Carbenaddition an (I) hergestellten Difluorcyclopropan‐Derivate (III) zu den β‐Fluorallylalkoholen (IV) in Abhängigkeit vom Reduktionsagens und Lösungsmittel wird systematisch untersucht und diskutiert.
ChemInform Abstract: General Approach for the Synthesis of Polyquinenes.
Authors: VENKATACHALAM M. , DESHPANDE M. N. , JAWDOSIUK M. , KUBIAK G. , WEHRLI S. , COOK J. M. , WEISS U. 
Published: May 2016

AbstractThe title compounds (III) and (VII) are synthesized as described in the scheme.
ChemInform Abstract: Synthesis of Triquinacene Derivatives. New Approach Towards the Synthesis of Dodecahedrane.
Authors: CARCELLER E. , GARCIA M. L. , MOYANO A. , PERICAS M. A. , SERRATOSA F. 
Published: May 2016

AbstractSequential treatment of the lactol (I) with ethynylmagnesium bromide (II), tBuMeZSiCI (III) and Me3SiCl (IV) yields a diastereomeric mixture of (V).
ChemInform Abstract: A Modified Synthesis of Aminobicyclo[n.1.0]alkanes from Enaminosulfonium Salts.
Authors: MAISCHEIN J. , ROTH C. , VILSMAIER E. 
Published: May 2016

AbstractAusgehend vom Imidosulfoniumchlorid (I) und den Enaminen (II) werden die im Titel genannten Verbindungen (V) über die Enaminosulfonium‐Salze (III) hergestellt.
ChemInform Abstract: The Mono‐Alkyldecyanation of Tetrafluoroterephthalonitrile by Reaction with Grignard Reagents.
Authors: MILNER D. J. 
Published: May 2016

AbstractDie Substitution einer Cyano‐Gruppe in dem Terephthalonitril (I) gelingt mit den Grignard‐Verbindungen (II).
ChemInform Abstract: Ethyl 3‐Chloro‐2‐ethoxy‐5‐formyl‐6‐hydroxy‐4‐methylbenzoate.
Authors: CHEN K.‐M. , JOULLIE M. M. 
Published: May 2016

AbstractDie im Titel genannte Verbindung (VI) wird ausgehend von Acetessigsäureester (I) nach der im g Schema angegebenen Reaktionsfolge synthetisiert.
ChemInform Abstract: Diazo Compounds. Part 66. 5‐(Diazomethyl)‐5H‐dibenzo[a,d]cycloheptenes ‐ Intermediates on the Way to New Dibenzosemibullvalene and Dibenzocyclooctene Syntheses.
Authors: BOEHSHAR M. + , HEYDT H. , REGITZ M. 
Published: May 2016

AbstractElectrophilic diazoalkane Substitution of silver diazomethyl (II) or mercury bisdiazomethyl (III) compounds with the chlorodibenzocycloheptene (I) affords the diazomethyl compounds (IV).
ChemInform Abstract: Experiments Directed Towards the Synthesis of Anthracyclinones.
Authors: CAMBIE R. C. , LARSEN D. S. , RICKARD C. E. F. , RUTLEDGE P. S. , WOODGATE P. D. 
Published: May 2016

AbstractThe aceta‐l (II) [prepared earlier from quinizarin (I)] is subjected to a crossed aldol condensation with the trimethylsiloxybutenone (III) to give the diketone (IV).
ChemInform Abstract: Biomimetic Entry to Chiral Epoxide Synthesis. Novel Asymmetric Induction Using Chiral Anchimeric Assistance.
Authors: ESAKI T. , SAKANE S. , YAMAMOTO H. 
Published: May 2016

AbstractDer Alkohol (Ia) wird zum Epoxid (Ic) substituiert, das bei der Behandlung mit Zinntetrachlorid nur in der (R)‐Form reagiert und so eine Anreicherung der (S)‐Form von (Ic) ergibt.
ChemInform Abstract: Simple and Condensed β‐Lactams. Part 4. Synthesis of Some 1‐(o‐ and p‐Nitrophenyl)‐ and 1‐(p‐Aminophenyl)‐2‐azetidinones and Derivatives of the 2,2a,3,4‐Tetrahydro‐1H‐azeto[1,2‐a]quinoxaline Ring System.
Authors: GIZUR T. , GOMBOS Z. , HORVATH Z. , KAJTAR‐PEREDY M. , LEMPERT K. , NYITRAI J. 
Published: May 2016

AbstractThe N‐phenyl amide (Ia) and the N‐phenyl lactams (IIa), (IIe), (IIIa), (IIIe), (IVa), (IVd) and (IVf) are nitrated under various conditions to give either mixtures or the pure components of the corresponding 0‐ and p‐n‐itro derivatives (Ib), (IIb)/(IIc), (IIf)/(IIg), (IIIb)/(IIIc), (IIIf)/ (IIIg), (IVb)/(IVc), (IVe), and (IVg)/(IVh).
ChemInform Abstract: Synthesis of 5H‐Thieno[2,3‐c]pyrrole.
Authors: SHA C.‐K. , TSOU C.‐P. 
Published: May 2016

AbstractDurch eine Knoevenagel‐Kondensation von Aldehyd (I) und Malonat (II) zu (III) und anschließende Bromierung/Substitution erhält man das Azid (IV), das zum Phosphoran (V) führt.
ChemInform Abstract: Preparation of 2‐Chloro‐ and 2‐Amino‐5‐benzoylbenzimidazoles.
Authors: RAVINDRANATHAN T. , WAKHARKAR R. D. , LANDGE A. B. 
Published: May 2016

AbstractDie im Titel genannten Verbindungen (II) und (III) werden aus dem Benzimidazolon (I) gemäß Schema hergestellt.
ChemInform Abstract: Derivatives of lH‐1,2,4‐Triazole. Preparation and Reactions of 1‐Alkyl‐ lH‐ 1,2,4‐triazole‐5‐carboxylic Acid Derivatives.
Authors: DALLACKER F. , MINN K. 
Published: May 2016

AbstractAusgehend von Natrium‐ bzw. Kaliumtriazolat wird nach bekannten Methoden eine Vielzahl 1‐substituierter Triazole (I) hergestellt und auf ihre fungizide und virustatische Aktivität geprüft.
ChemInform Abstract: Heterocycles of Biological Importance. Part 2. Novel Synthesis and Pharmacological Evaluation of 5‐Amino‐3‐alkyl‐1‐(2‐pyridyl)pyrazoles and 5‐Amino‐3‐phenyl‐ 1‐(2‐pyridyl)pyrazole from Allenic or Acetylenic Nitriles and 2‐Hydrazinopyridine.
Authors: FOMUM Z. T. , IFEADIKE P. N. 
Published: May 2016

Abstract2‐Hydrazino‐pyridin (I) reagiert mit den ungesättigten Nitrilen (II), (IV) und (VI) zu den Aminopyrazolen (III), (V) und (VII).
ChemInform Abstract: Photooxidation of Dieneamine and Dieneamine‐boranes.
Authors: ALAZARD J.‐P. , THAL C. 
Published: May 2016

AbstractDie SVingulett‐Oxidation des cyclischen Aminodiens (Ia) bzw. des entsprechenden Boran‐Adduktes (Ib) wird untersucht,′ die Folgeprodukte (II) und (III) werden isoliert und identifiziert.
ChemInform Abstract: Synthesis of Reissert Analogues Bearing Trifluoromethyl Group and Their Acidic Cyclization.
Authors: TANAKA K. , MASUDA H. , MITSUHASHI K. 
Published: May 2016

AbstractDas Imidoylchlorid (I) wird mit Isochinolin (II) zu der Reissert‐analogen Verbindung (IW umgesetzt, die zu (V) cyclisiert wird.
ChemInform Abstract: Synthesis of 5H‐Pyrido[2,3‐a]phenoxazin‐5‐one and 5H‐Pyrido[3,2‐a]phenoxazin‐5‐one Derivatives.
Authors: NAN'YA S. , MAEKAWA E. , HAYAKAWA H. , KITAGUCHI Y. , UENO Y. 
Published: May 2016

AbstractDie Aminophenole (I) und das Dibromchinolin‐chinon (II) können zu Gemischen der Pyridophenoxazinone (III) und (IV) kondensiert werden.
ChemInform Abstract: Photohalogenation of Lawsone and Preparation of 3‐Substituted‐5H‐Naphtho[2,3‐e]‐s‐triazolo[3,4‐b][1,3,4]thiadiazine‐6,11‐dione.
Authors: RAO M. S. , RAO V. R. , RAO T. V. P. 
Published: May 2016

AbstractDas durch Photobromierung aus Lawson (I) gut zugängliche Brom‐Derivat (II) reagiert mit den 3‐Mercapto‐4‐aminotriazolen (III) zu dem neuen heterocyclischen System (IVa).
ChemInform Abstract: Anion Coreceptor Molecules. Linear Molecular Recognition in the Selective Binding of Dicarboxylate Substrates by Ditopic Polyammonium Macrocycles.
Authors: HOSSEINI M. W. , LEHN J.‐M. 
Published: May 2016

AbstractThe macrocycles (XIV) and (IVb) are synthesized by application of the same general principle ‐ namely, by the condensation of an ocxo‐dimesylate, i.e. (XIII) and the dimesylate prepared from (III), with an oc,(x)‐di(p‐toluenesulfonamide), i.e. (XI) and (I), in the presence of Cs2CO3 [the diamide (VIII) serves as starting material for both (XI) and (XIII)].
ChemInform Abstract: Synthesis and Electrical Properties of Two New Conducting Materials Containing Unsymmetrical Tetraselenafulvalenes.
Authors: FABRE J. M. , EMAD‐MAHNAL EMAD‐MAHNAL , GIRAL L. 
Published: May 2016

AbstractSynthesis and Electrical Properties of Two New Conducting Materials Containing Unsymmetrical Tetraselenafulvalenes.
ChemInform Abstract: Use of Tetra‐n‐butylammonium Permanganate for Inorganic Syntheses in Nonaqueous Solvents.
Authors: VINCENT J. B. , FOLTING K. , HUFFMAN J. C. , CHRISTOU G. 
Published: May 2016

AbstractThe use of NBu4[MnO4] for the preparation of inorganic complexes is described for th‐e known compound (III).
ChemInform Abstract: Electron‐Transfer Studies on a Series of Cobalt Clathrochelates in Acetonitrile.
Authors: BORCHARDT D. , WHERLAND S. 
Published: May 2016

AbstractThe outer‐sphere electron‐transfer reactivity of the monocationic Co clathrochelates (I) are studied through cross reactions with ferrocene, l,l′‐dimethylferrocene, or decamethylferrocene in MeCN as a function of ferrocene concentration, temp., and added electrolyte.
ChemInform Abstract: Synthesis, Structure, and 195Pt NMR Solution Studies of a Reactive Binuclear Platinum(III) Complex: [Pt2(N)2(C5H4NO)2(NO2)(NO3)](NO3)2·0.5 H2O.
Authors: O'HALLORAN T. V. , ROBERTS M. M. , LIPPARD S. J. 
Published: May 2016

AbstractThe sterically strained Pt(II) complex (I), where two Pt atoms are hindered to close approach by en rings, can be oxidized in nitric acid to give a metal ‐ metal bonded binuclear Pt(III) complex (II), the nitrate salt of which crystallizes in the space group P21/c with Z=4.
ChemInform Abstract: The Chemistry of Pyrrolic Compounds. Part 59. The Oxidative Cyclization of Bilenes‐b Substituted by Ethyl or Propyl Groups at a Terminal Site.
Authors: CLEZY P. S. , RAVI B. N. , LE VAN THUC LE VAN THUC 
Published: May 2016

AbstractThe oxidative cyclization of the bilenes‐b (III) substituted with an Et or Pr group at one terminal site and a formyl equivalent at the other yields the meso‐alkyl‐porphyrins (IVa) + (IVb) + (IVd) (minor product) [from (IIIa)] or ‐ (IVc) + (IVd) (minor product) [from (IIIb)].
ChemInform Abstract: Chemoenzymatic Syntheses of Fluoro Sugar Phosphates and Analogues.
Authors: DRUECKHAMMER D. G. , WONG C.‐H. 
Published: May 2016

AbstractAus der Di‐O‐isopropyliden‐D‐glucofuranose (I) erhält man durch Oxidation und Reduktion das D‐Allose‐Derivat (II), das nach Fluorierung zu (III) sauer zu (IV) gespalten wird.
ChemInform Abstract: Formation of Negative Cluster Ions in Collision of SF6 Clusters with Krypton Rydberg Atoms.
Authors: MITSUKE K. , KONDOW T. , KUCHITSU K. 
Published: May 2016

AbstractThe formation of (SF6)n‐ (1 ≦ n ≦ 11) by impact of either high‐Rydberg rare gas atoms (RAI) or low‐energy electrons (≅ 2.5 eV) (EI) has been studied using mass spectroscopy.
ChemInform Abstract: Preparation of Different Solid CsHSO4 Phases by Means of Sample Treatment.
Authors: BARANOWSKI B. , FRIESEL M. , LUNDEN A. 
Published: May 2016

AbstractIf CsHSO4, obtained by evaporation at 20°C of aqueous solutions of Cs2SO4/H2SO4 (1:1) and annealing at 440 K for some h, is ground at 20°C a new low energy state is created which relaxes at 375 K by a first order phase transition (transition enthalpy: 1.14kJ mol‐1).
ChemInform Abstract: Some Corrosion Characteristics of Stainless Surface Alloys Laser Processed on a Mild Steel.
Authors: CHIBA S. , SATO T. , KAWASHIMA A. , ASAMI K. , HASHIMOTO K. 
Published: May 2016

AbstractProtective ferritic and austenitic surface alloys on a mild steel are prepared by applying laser surface melting to chromium‐plated or chromium‐ and nickel‐plated mild steel.
ChemInform Abstract: Effect of Arsenate Anion on the Dissolution and Passivation of Zinc Electrode in Slightly Alkaline Solutions.
Authors: SANCHES DE PINTO I. , DE PAULI C. P. , HERRERA H. , MISHIMA H. , LOPEZ B. A. 
Published: May 2016

AbstractThe polarization curves and cyclic voltammograms of Zn electrodes in aereated arsenate solutions at pH 8.9 (borate buffer) show that the arsenate anion produces an increase in Zn dissolution.
ChemInform Abstract: Synthesis and Structural Characterization of the First Phosphorus‐Centered Baker‐ Figgis γ‐Dodecametalate: γ‐Cs5PV2W10O40]·x H2O.
Authors: DOMAILLE P. J. , HARLOW R. L. 
Published: May 2016

AbstractThe title compound has been prepared according to the scheme.
ChemInform Abstract: Relative Stabilities of trans‐Dichloro(olefin)(pyridine)platinum(II) Complexes.
Authors: KUROSAWA H. , URABE A. , EMOTO M. 
Published: May 2016

AbstractThe data for the complexes (I) show higher stability for the more electron‐donating ole‐ ?n complex, the Hammett p+ value being ‐ 0.82.
ChemInform Abstract: Electrochemical Reduction of N‐Vinylazoles.
Authors: LOPYREV V. A. , ERMAKOVA T. G. , KASHIK T. N. , PROTASOVA L. E. , VAKUL'SKAYA T. I. 
Published: May 2016

AbstractDie elektrochemische Reduktion einer Reihe von Vinylazolen (I)‐(X) wird in Acetonitril als Lösungsmittel mit Hilfe der Polarographie untersucht.
ChemInform Abstract: Synthesis of Indazole Derivatives from a N,N‐Disubstituted 2‐Halobenzoic Hydrazide. Crystal Structure of 1,2‐Pentamethylene‐5‐nitro‐1,2‐dihydro‐3H‐indazol‐3‐one.
Authors: ARAN V. J. , STUD M. , FOCES‐FOCES C. , CANO F. H. , MARTINEZ‐RIPOLL M. 
Published: May 2016

AbstractAus dem 2‐Chlorbenzoesäurehydrazid (I) erhält man beim Erhitzen über das Indazol (II) die Pentamethylenverbindung (III).
ChemInform Abstract: Furazan N‐Oxides. Part 3. Synthesis of Di‐isocyanates from Strained Norbornane Furazan N‐Oxides.
Authors: ASHCROFT P. L. , BARNES J. F. , BARRON K. , BRADBURY R. , CROSBY J. , JOYCE C. J. , HARDING M. M. , HOLMES D. R. , MILNER J. A. , PATON R. M. 
Published: May 2016

AbstractThermolysis of the strained furoxans (Ia) to (Ic) in toluene saturated with SO2 yields the 1,3‐di‐isocyanato‐cyclopentanes (IVa) to (IVc).
ChemInform Abstract: Epoxide Ring Opening by α‐Sulfonyl Carbanions. Synthesis of γ‐Hydroxy‐ Sulfones and Triflones.
Authors: NWAUKWA S. O. , LEE S. , KEEHN P. M. 
Published: May 2016

AbstractDurch Umsetzung der Sulfone (II), (V) bzw. (VIII) mit den Epoxiden (I) und Butyllithium (III) werden die γ‐Hydroxysulfone (IV), (VI), (VII) bzw. (IX) erhalten.
ChemInform Abstract: Regiospecific Synthesis of 2,3,6,7,10,11‐Hexasubstituted Triphenylenes by Oxidative Photocyclisation of 3,3",4,4′,4",5′‐Hexasubstituted 1,1′:2′1"‐Terphenyls.
Authors: BUSHBY R. J. , HARDY C. 
Published: May 2016

AbstractPhotolysis of the terphenyl (I) using the method A) yields the triphenylene (II).
ChemInform Abstract: On the Chemical Stability of Furfenorex and Analogous Model Compounds.
Authors: RUECKER G. + , NEUGEBAUER MICHAEL , NEUGEBAUER MARTINA 
Published: May 2016

AbstractBei dem sauren Abbau der im Titel genannten Verbindung (Ia) und ihrer Derivate (Ib)‐(Ie) werden nach drei unterschiedlichen Spaltreaktionen die Verbindungen (II)‐(V) erhalten.
ChemInform Abstract: Effect of Metal Ions in Organic Synthesis. Part 30. Synthesis of New 3‐Carbonyl‐ and 3‐Carboxy‐1‐alkoxycarbonylaminopyrroles from Reaction Catalyzed by Copper(II) Chloride of Alkoxycarbonylazoalkenes with β‐Diketones and β‐Ketoesters.
Authors: ATTANASI O. , FILIPPONE P. , MEI A. , SERRA‐ZANETTI F. 
Published: May 2016

AbstractDie bei der Reaktion der Azoalkene (I) mit den β‐Dicarbonylverbindungen (II) entstehenden Primäraddukte (III) lassen sich unter Katalyse durch das Cu‐Salz (IV) zu den N‐Amino‐pyrrol‐Derivaten (V) cyclisieren.
ChemInform Abstract: Studies in the Field of Imidazo[1,2‐a]benzimidazole Derivatives. Part 21. Synthesis of Haloketones of Imidazo[1,2‐a]benzimidazole Series.
Authors: ANISIMOVA V. A. , KOROCHINA T. B. , AVDYUNINA N. I. , SIMONOV A. M. 
Published: May 2016

AbstractDie Bromierung der Ketone (I) aus der Reihe der Imidazobenzimidazole mit Brom in Essigsäure führt zu Mono‐ und Dibromderivaten (II) und/ oder (III).
ChemInform Abstract: Antiinflammatory 2,3‐Dihydro‐1H‐pyrrolizines. Part 8. Synthesis and Decarboxylation of 6,7‐Diaryl‐2,3‐dihydro‐1H‐pyrrolizin‐5‐yl‐acetic Acid (DADHP‐5‐acetic Acid).
Authors: DANNHARDT G. , STEINDL L. 
Published: May 2016

AbstractAus dem Aldehyd (Ia) wird mit dem Isonitril (II) das Formylaminomethylen‐Derivat (Ib) erhalten, das alkalisch in das Nitril (Ic) übergeführt wird.
ChemInform Abstract: Heterodiene Synthesis: Syntheses of Fused Thiopyrano[2,3‐d]thiazole and Thiazolo[3,4‐c]triazine Derivatives.
Authors: ABD ALLAH S. O. , HAMMOUDA H. A. , ALI F. A. 
Published: May 2016

AbstractDie Verbindung (I) reagiert als Heterodien mit den Alkenen (II) und anderen Dienophilen wie (IV), (VI) und (VIII) zu den Addukten (IIIa) bis (IIIc), (V), (VII) und (IX), die z.Tl. weiter umgewandelt werden.
ChemInform Abstract: Cobalt‐Mediated [2+2+2] Cycloadditions of Alkynes to the Indole 2,3‐Double Bond: An Extremely Facile Entry Into the Novel 4a,9a‐Dihydro‐9H‐carbazole Nucleus.
Authors: GROTJAHN D. B. , VOLLHARDT K. P. C. 
Published: May 2016

AbstractCobalt‐mediated intermolecular Cycloadditions between the indoles (Ia)‐(Ie) and the alkynes (II) or (V) as well as intramolecular Cycloadditions of the indoles (If)‐(Ih) furnish the CpCo‐carbazole complexes indicated in the scheme.
ChemInform Abstract: 2‐Amino‐ and 2‐Guanidino‐4‐thiazolylpyrimidines.
Authors: LIPINSKI C. A. , CRAIG R. H. , WRIGHT R. B. 
Published: May 2016

AbstractAus den Acetalen (I) werden die Acetylverbindungen (II) hergestellt, aus denen nach Bromierung zu (III) mit Thioharnstoff (IVa) bzw. Amidinothioharnstoff (IVb) die entsprechenden Thiazolyl‐pyrimidine (V) erhalten werden können.
ChemInform Abstract: Pyrimido[5,4‐b]quinolines by Trialkylphosphite‐Cyclization of 2‐Nitro‐ 6′‐benzylpyrimidindiones.
Authors: FENNER H. , HENTZCH C. , WIEGREFFE C. 
Published: May 2016

AbstractDie aus den Phenylacetonitrilen (I) und dem Uracil (II) zugänglichen 4‐Benzyluracile (III) cyclisieren beim Erhitzen mit Trimethylphosphit zu den im Titel genannten Verbindungen (IV).
ChemInform Abstract: A New Method for the Synthesis of Novel 1‐Aryl‐S‐quinoxalinyl‐1,2,4‐ triazol‐5‐ones.
Authors: KURASAWA Y. , MURAMATSU M. , HOTEHAMA K. , OKAMOTO Y. , TAKADA A. 
Published: May 2016

AbstractAus dem Chinoxalin (I) entstehen mit den Diazoniumsalzen (II) die Azoverbindungen (III), die über die Hydrazide (IV) und die Azide (V) zu den Isocyanaten (VI) führen.
ChemInform Abstract: Nicotinamide Coenzyme Models. Part 2. Bis(methoxycarbonyl)‐N,N′‐dimethyl[2.2](2,5)pyridiniophane Diiodides: Preparation, Structure, and Reduction to Semi‐Reduced Systems.
Authors: HASSELBACH H.‐J. , KRIEGER C. , DECKER M. , STAAB H. A. 
Published: May 2016

AbstractFrom the pyridinophanes (Ia)‐(IVa) the corresponding diiodides (Ib)‐(IVb) are obtained by diquatemization with methyl iodide (V).
ChemInform Abstract: Interaction of 5‐Bromo‐6‐amino‐3‐(4‐methylaminobutyl)pyridine with Potassium Amide.
Authors: KLIMENKO V. G. , ZHIDKOVA A. M. , STOYANOVICH F. M. , GRANIK V. G. 
Published: May 2016

AbstractDie im Titel genannte Verbindung (I) reagiert mit Kaliumamid über eine Dehydropyridin‐Zwischenstufe zu einem Gemisch von 6‐Aminonicotin (III) und dem 1‐Methyl‐8‐amino‐2,3,4,5‐tetrahydropyrido[4,3‐b]azepin (II).
ChemInform Abstract: A Novel Cyclophane. Host ‐ Guest Complexation and Selective Inclusion of Aromatic Guests from Nonaqueous Solution.
Authors: SAIGO K. , LIN R.‐J. , KUBO M. , YOUDA A. , HASEGAWA M. 
Published: May 2016

AbstractThe novel cyclophane (IV) was synthesized stepwise via (III) or directly as given in the scheme.
ChemInform Abstract: Method for Preparation of (Aroyloxymethyl)trifluorosilanes and Methyl‐ (aroyloxymethyl)difluorosilanes.
Authors: VORONKOV M. G. , GUBANOVA L. I. , CHERNOV N. F. 
Published: May 2016

AbstractDie Darstellung der im Titel genannten Verbindungen (III) aus den Arylcarbonsäuresalzen (II) gelingt durch Umsetzung mit den Chlormethylsilanen (I) in DM F, wobei (I) mit dem Lösungsmittel intermediär zu einem nichtflüchtigen Addukt reagiert.