bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Enantioselective Diastereospecific Synthesis of anti‐α‐Alkyl‐β‐hydroxy Esters Through Cuprate Opening of Glycidic Esters.
Authors: MULZER J. , LAMMER O. 
Published: May 2016

AbstractThe epoxy esters (V) are easily available from the aldehydes (I) in five routine steps via (III) without any need for ex‐ tensive purification of the intermediates.
ChemInform Abstract: A Novel Nucleophilic Substitution of the Formyl Group in p‐Nitrobenzaldehyde with Some Carbanions.
Authors: IWASAKI G. , SAEKI S. , HAMANA M. 
Published: May 2016

AbstractDie Umsetzung von p‐Nitrobenzaldehyd (I) mit den aktiven Methylenverbindungen (II) führt bei den angegebenen Reaktionsbedingungen unter nucleophilem Austausch der Formylgruppe direkt zu den Substitutionsprodukten (III); nur in Ausnahmefällen erhält man auch die Aldole (IV).
ChemInform Abstract: Reactions of Geminal Dithiolates with (Z)‐1,4‐Dichloro‐but‐2‐ene.
Authors: RUDORF W.‐D. , SCHWARZ R. , AUGUSTIN M. 
Published: May 2016

AbstractThe dithiolates (II) (not isolated) react with (Z)‐1,4‐dichloro‐but‐2‐ene to give the vinyldithiolanes (III), whereas the reactions of the dithiolanes (V), obtained from CS2 and the malonic acid derivatives (IV), with the dichlorobutene lead to the dihydrodithiepines (VI).
ChemInform Abstract: Reactions of N‐(1‐Trifluoromethyltrifluoroethylidene)‐2‐trifluoromethyl‐3,3,3‐trifluoropropionylamide with Furan and Pyrrole.
Authors: KRYUKOVA L. YU. , KRYUKOV L. N. , SOKOL'SKII G. A. 
Published: May 2016

AbstractThe title compound (I) adds to furan (IIa) or to pyrrole (IIb) to form the adducts (III) in high yields.
ChemInform Abstract: 1,2‐ and 1,4‐Addition in the Reactions of Carbonyl Compounds with 1,3‐Butadiene Induced by Cerium(IV) Ammonium Nitrate.
Authors: BACIOCCHI E. , RUZZICONI R. 
Published: May 2016

AbstractDie Umsetzung der Ketone (I) bzw. (VI) mit 1,3‐Butadien (II) und Cerammoniumnitrat (III) führt zu den Nitraten (IV) und (V) bzw. (VII) bis (IX).
ChemInform Abstract: Studies on Heterocyclic Enamines: New Synthesis of Pyrano[2,3‐b]pyridine, Pyrano[2,3‐d]pyrimidine and Pyrano[2,3‐c]pyrazole Derivatives.
Authors: ABED N. M. , IBRAHIM N. S. , ELNAGDI M. H. 
Published: May 2016

AbstractReaction of the pyran (III) with malononitrile (II) yields either the adduct (I) or the fused product (IV).
ChemInform Abstract: Regioselectivity of 1,3‐Dipolar Cycloadditions Controlled by Remote Substitution and Lewis Acid Catalysts.
Authors: PLUMET J. , ESCOBAR G. , MANZANO C. , ARJONA O. , CARRUPT P.‐A. , VOGEL P. 
Published: May 2016

Abstract1,3‐Dipolare Cycloaddition des Nitriloxids (I I) an die Oxanorbornene (I) führt zu Gemischen der isomeren Cycloaddukte (III) und (IV) ‐ in den im Formelschema angegebenen Mengenverhältnissen.
ChemInform Abstract: Diols as Effective Cocatalysts in the Phase Transfer Catalyzed Preparation of 1‐Alkynes from 1,2‐Dihalides.
Authors: DEHMLOW E. V. , THIESER R. , SASSON Y. , NEUMANN R. 
Published: May 2016

AbstractThe bis‐elimination of HBr from (I) to give (II) is accelerated by the addition of a diol, e.g. DHD, to the catalyst/base system [reaction diagrams for the transformation of (Ia) and its dichloro analogue with and without addition of pinacol as cocatalyst].
ChemInform Abstract: Synthesis of 4‐Aroyl‐4,5‐dihydro‐2(3H)‐furanones and Their Reactions with Some Nucleophiles.
Authors: SHAMS N. A. , HAMED A. A. , DONIA S. G. , SHAKER S. A. 
Published: May 2016

AbstractAus den Keto‐carbonsäuren (I) entstehen bei der alkalischen Kondensation mit den Aldehyden (II) die Lactone (III) neben geringen Anteilen der Olefine (IV).
ChemInform Abstract: Allylsilane‐Initiated Cyclopentane Annulations.
Authors: MAJETICH G. , DESMOND R. W. JUN. , SORIA J. J. 
Published: May 2016

AbstractDie intramolekulare Addition der Allylsilangruppe an ouß‐ungesättigte Ketone unter Katalyse von Tetrabutylam‐ moniumfluorid (II) führt im Falle der Cyclohexenone (I) mit hoher Selektivität zu den Bicyclen (III).
ChemInform Abstract: Rearrangement of 4H‐1,2,4‐Triazolium Salts to 4‐Acyl‐5‐aminoimidazoles.
Authors: RENTZEA C. N. 
Published: May 2016

AbstractInstead of the expected triazolium ylide the enolic cyanoformamidine (IIa) is obtained from the triazolium salt (Ia) with NaH in DMF at 20°C. (IIa) cyclizes to give the Thorpe product (IIIa).
ChemInform Abstract: 4b,10b‐Dihydrochrysene, a New Dibenzo(CH)10 Hydrocarbon.
Authors: BANCIU M. , ELIAN D. , ELIAN M. , STANESCU L. , CIORANESCU E. 
Published: May 2016

AbstractDas aus Benzobarrelen und Dehydrobenzol gebildete Addukt (I) wird thermisch zu dem Dihydrochrysen (II) neben geringen Mengen an Chrysen (III) gespalten.
ChemInform Abstract: Reduction of Ketones by Tributyltin Hydride: The Effect of High Pressure on Steric Hindrance and Rearrangement Processes.
Authors: DEGUEIL‐CASTAING M. , RAHM A. , DAHAN N. 
Published: May 2016

AbstractDie Reduktion der sterisch gehinderten Ketone (I) mit Tributylzinnhydrid führt unter hohen Drücken ohne Zusatz von Radikalstartern oder Lewis‐Säure zu den Alkoholen (III).
ChemInform Abstract: Organic Gas‐Solid Reactions: Additions of HX to N‐Vinylphthalimide and Substitutions of Its Hydrate.
Authors: KAUPP G. , MATTHIES D. 
Published: May 2016

AbstractWith the gases HX, the crystalline phthalimide (I) forms the addition products (II) rapidly ( 30min) without intermediate melting.
ChemInform Abstract: 1,3‐Thiazines. Part 33. Oxidations of Carbamothioates. Part 7.
Authors: HANEFELD W. , GUENES Z. E. + 
Published: May 2016

AbstractAus den cyclischen Thiourethanen (I) erhält man mit Nitrit/ Säure oder mit Salpetersäure die Carbonylderivate (II).
ChemInform Abstract: Electrophilic Asymmetric Syntheses of α‐Hydroxy Carboxylic Acids.
Authors: LUDWIG J. W. , NEWCOMB M. , BERGBREITER D. E. 
Published: May 2016

AbstractDie aus Hydroxy‐carbonsäuren erhaltenen Amide (I) und (IV) werden nach Metallierung selektiv zu den entsprechenden optisch aktiven Substitutionsprodukten (III) bzw. (V) alkyliert.
ChemInform Abstract: The Diphenylboryl Hexachloroantimonate Promoted Friedel‐Crafts Acylation Reaction.
Authors: MUKAIYAMA T. , NAGAOKA H. , OSHIMA M. , MURAKAMI M. 
Published: May 2016

AbstractMit den Diphenylborverbindungen (IV) und vor allem (V) als Katalysator gelingt die Friedel‐Crafts‐Acylierung der reaktiven Aromaten (I) zu den Ketonen (VI); als Acylierungsmittel sind außer den Säurechloriden (II) und den ‐anhydriden (III) auch die Acylenolate (VII) geeignet.
ChemInform Abstract: Preparation of Cyclic Carbonates and 2‐Oxazolidones Using Di‐2‐pyridyl Carbonate.
Authors: KIM S. , KO Y. K. 
Published: May 2016

AbstractReaktion des Dipyridylcarbonats (I) mit den Diolen (II) und (VI), den Aminoalkoholen (VIII) sowie den o‐Aminophenolen (X) liefert in hohen Ausbeuten die cyclischen Carbonate (III) bzw. (VII) sowie die Oxazolidone (IX) bzw. (XI).
ChemInform Abstract: Novel Sulfur‐Bridged Three‐Membered Ring Compounds of the Type of the Dianion Sulfides and of the Thiocarbonyl Ylides.
Authors: KAISER F.‐J. , OFFERMANN G. , SEITZ G. 
Published: May 2016

AbstractThe title compounds (III) and (VI) (stable towards light and air; discussion of 13C NMR, IR and mass spectra) are prepared by reaction of (II) with (I) to give (III) or with (V) to afford (VI).
ChemInform Abstract: Enantioselective Carboxylation of a Prochiral Enolate in the Presence of a Chiral Lithium Amide.
Authors: HOGEVEEN H. , MENGE W. M. P. B. 
Published: May 2016

AbstractDas aus (Ia) erhaltene Lithiumamid (Id) wird mit 2,2,6‐Trimethyl‐cyclohexanon (II) zum Enolat (III) umgesetzt und weiter zu (IV) carboxyliert und verestert.
ChemInform Abstract: Alkylated Perepoxides: Peroxonium vs. Phenonium Intermediates from β‐Haloalkyl tert‐Butyl Peroxides and Silver Trifluoroacetate.
Authors: BLOODWORTH A. J. , BOWYER K. J. , MITCHELL J. C. 
Published: May 2016

AbstractDie aus entsprechenden Olefinen durch Peroxymercurierung und anschließende Iododemercurierung hergestellten Peroxy‐iodide (I) werden in Gegenwart von Silbertrifluoracetat (II) zu den Produkten (III)‐(V) oder (VI) bzw. (VII) umgesetzt.
ChemInform Abstract: Reaction of Azibenzils with Nonafluorobutanesulfonic Anhydride.
Authors: LORENZ W. , MAAS G. 
Published: May 2016

AbstractReaction of the azibenzils (I) with the sulfonic anhydride (II) yields mainly the (E)‐(IV) and (Z)‐(V)vinylene bissulfonates as well as the benzils (VI).
ChemInform Abstract: 9b‐Methyl‐9bH‐benz[cd]azulene ‐ a Novel Antiaromatic 12π‐Electron System.
Authors: HAFNER K. , KUEHN V. + 
Published: May 2016

AbstractThe title compound (III), which is prepared in accordance with the scheme, exhibits a localized 12π electron system (1H NMR, UV/VIS).
ChemInform Abstract: Derivatives of Naphthalene‐1,4,5,8‐tetracarboxylic Acid. Part 6. Reactions of 1,6‐and 1,8‐Pyrenequinones with Aliphatic Alcohols.
Authors: CHESNOVSKII V. S. , SHIGALEVSKII V. A. 
Published: May 2016

Abstract1,6‐Pyrenequinone (I) and 1,8‐pyrenequinone (V), in the presence of Lewis acids or conc. H2SO4, react with the aliphatic alcohols (II) to yield the monoalkoxy derivatives (III) or (VI) and the dialkoxy derivatives (IV) or (VII).
ChemInform Abstract: Synthesis of 5,8‐Dimethoxy‐1‐naphthoic Acid and 1,4‐Dimethoxy‐7,12‐dimethylbenz[a]anthracene.
Authors: NEWMAN M. S. , KHANNA V. K. 
Published: May 2016

AbstractAuf dem im Formelschema angegebenen Weg werden die Di‐methoxynaphthoesäure‐Derivate (IV) sowie das Benzanthracen‐Derivat (VII) hergestellt.
ChemInform Abstract: Pentaphene via 1,2‐Anthracyne: An Application of Repeated Aryne‐Isobenzofuran Methodology.
Authors: CAMENZIND R. , RICKBORN B. 
Published: May 2016

AbstractAuf dem im Formelschema angegebenen Weg wird durch stufenweise Addition des Isobenzofurans (II) an die aus (III) bzw. (VII) gebildeten Arinedas Pentaphen (IX) aufgebaut.
ChemInform Abstract: A Simple Synthesis of Azabicyclo[1.1.0]butane Sulfones and Sulfoxides.
Authors: CALET S. , ALPER H. 
Published: May 2016

AbstractAus den 3‐Aryl‐2H‐azirinen (I) entstehen mit den Chlormethylverbindungen (II) über die Zwischenstufen (III) die Azabicyclobutan‐sulfone und ‐sulfoxide (IV).
ChemInform Abstract: Highly Stereoselective Synthesis of cis‐ and trans‐4‐Benzoyl‐2‐oxoazetidines.
Authors: ALCAIDE B. , DOMINGUEZ G. , ESCOBAR G. , PARRENO U. , PLUMET J. 
Published: May 2016

AbstractAddition der aus den Säurechloriden (I) mit Triethylamin in situ erzeugten Ketene (V) an die Iminoketone (II) liefert ausschließlich die cis‐β‐Lactame (III), die durch Basen teilweise oder vollständig zu den trans‐β‐Lactamen (IV) isomerisiert werden.
ChemInform Abstract: A Facile One‐Step Synthesis of 4‐Aminoindoles from 5‐Halo‐4‐oxo‐ 4,5,6,7‐tetrahydroindoles.
Authors: MATSUMOTO M. , ISHIDA Y. , HATANAKA N. 
Published: May 2016

AbstractReaktion der 5‐Chlor‐4‐oxo‐tetrahydroindole (I) mit Aminen (II) bzw. Ammoniumacetat liefert die 4‐Aminoindole (III).
ChemInform Abstract: Regioselective [2,3]Sigmatropic Rearrangement to the Pyrrolo[3,2‐e]indole Ring System of CC‐1065.
Authors: WARPEHOSKI M. A. , BRADFORD V. S. 
Published: May 2016

AbstractAus dem Amino‐indol (I) erhält man über das Ylid (II) das Umlagerungsprodukt (III), das nach Cyclisierung zu (IV) in das Pyrroloindol (V) übergeführt werden kann.
ChemInform Abstract: [2‐(Trimethylsilyl)ethoxylmethyl (SEM) as a Novel and Effective Imidazole and Fused Aromatic Imidazole Protecting Group.
Authors: WHITTEN J. P. , MATTHEWS D. P. , MCCARTHY J. R. 
Published: May 2016

AbstractDie Imidazole (I) werden mit SEM‐Cl (II)in die SEM‐Derivate (III) übergeführt, die in die Substitutionsprodukte (IVa) und(V) übergeführt werden.
ChemInform Abstract: Reaction of 6H‐6‐Oxo‐3(or 5)‐halogenoanthra[1,9‐cd]isoxazoles with Inorganic Nucleophiles.
Authors: GORNOSTAEV L. M. , ZEIBERT G. F. 
Published: May 2016

AbstractThe title compounds (I) and (III) react with NaN3 or KF in the presence of crown ether to afford the azides (II) and (IV) or the fluoride (V) by nucleophilic substitution of the halogen atoms.
ChemInform Abstract: Dipolar Cycloaddition Reaction of (Phenylsulfonyl)propadiene with Nitrones and Alkylation Studies of the Cycloadducts.
Authors: PADWA A. , CARTER S. P. , CHIACCHIO U. , KLINE D. N. 
Published: May 2016

AbstractDas Allensulfon (I) reagiert mit den Nitronen (II) zu den Cycloaddukten (III), die thermisch zu (IV) isomerisieren.
ChemInform Abstract: The Synthesis of 2‐Phenyl‐3‐nitro‐3,4‐dihydro‐2H‐1‐benzopyrans.
Authors: VARMA R. S. , KADKHODAYAN M. , KABALKA G. W. 
Published: May 2016

AbstractSelektive Boranat‐Reduktion der aus den Salicylaldehyden (I) und den β‐Nitrostyrolen (II) hergestellten 3‐Nitrochromene (III) liefert die Nitrochromane (IV).
ChemInform Abstract: Conversion of 4,5,6‐Triaryl‐2‐pyranamines and 4,6‐Diaryl‐5‐benzoyl‐2‐ pyranamines into Pyrones, Pyridones and Pyridines.
Authors: QUINTEIRO M. , MARTIN N. , SEOANE C. , SOTO J. L. 
Published: May 2016

AbstractDie Aminopyrane (III) reagieren mit Nitrosylschwefelsäure (II) bzw. Ammoniumacetat in Essigsäure zu den α‐Pyranonen(I) bzw. zu den 2‐Aminopyridinen (IV).
ChemInform Abstract: The Stereochemistry of 2,6‐Di‐tert‐butyl‐1,2,5,6‐tetrahydropyridine and cis‐ and trans‐2,6‐Di‐tert‐butylpiperidine.
Authors: FRANCIS R. F. , COLLING E. L. JUN. 
Published: May 2016

AbstractDie Umsetzung von Pyridin (I) mit tert.‐Butyllithium (II) führt zum Tetrahydropyridin (III), das zum trans‐substituierten Piperidin (IV) hydriert wird.
ChemInform Abstract: Cyclization Reactions of Nitriles. Part 19. Synthesis and Reactions of Derivatives of 2‐Oxo‐ and 2‐Thioxo‐2,5,6,7‐tetrahydro‐1H‐pyridines.
Authors: SHESTOPALOV A. M. , SHARANIN YU. A. 
Published: May 2016

AbstractThe reaction between 2,5‐dibenzylidenecyclopentanone (I) and cyanoacetamide (IIa) or cyanothioacetamide (IIb) yields the title compounds (IIIa) or (IIIb).
ChemInform Abstract: Synthesis of 1,4‐Oxathiins and 5,6‐Dihydro‐1,4‐oxathiins.
Authors: MATTAY J. , DITTMER C. 
Published: May 2016

AbstractDie aus den α‐Halogenketonen (II) erhaltenen Oxathiolane (III) bzw. (VI) reagieren mit Kalium‐tert.‐butylat in DMSO unter Ringerweiterung zu den 1,4‐Oxathiinen (IV) bzw. den Dihydrooxathiinen (VII).
ChemInform Abstract: Synthesis of 8H‐1,2,4‐Triazolo[4,3‐a]perimidines
Authors: BURKHARDT U. , JOHNE S. 
Published: May 2016

Abstract2‐Hydrazinoperimidine (III) reacts with the carboxylic acids (IV) to give the title compounds (Va)‐(Vd).
ChemInform Abstract: Synthesis and Some Reactions of 3‐Methyl‐4‐aryl‐1‐phenyl‐1H‐pyrazolo[3,4‐d]pyrimidine‐6‐thiols.
Authors: METWALLY S. A. , YOUNES M. I. , METWALLY M. A. 
Published: May 2016

AbstractThe pyrazolopyrimidine derivatives (III) are synthesized by the reaction of thiourea (II) with the pyrazolinones (I).
ChemInform Abstract: A Novel Ring Contraction of Lumazines to Theophyllines.
Authors: SUGIMOTO T. , NISHIOKA N. , MURATA S. , MATSUURA S. 
Published: May 2016

AbstractReduktion der Lumazine (I) mit aktiviertem Aluminium in wäßrig‐methanolischem Ammoniak liefert unter Ringverengung die Theophylline (II).
ChemInform Abstract: A Facile Synthesis of 4‐Aryl‐2H‐1,4‐benzothiazin‐3(4H)‐ones: Reaction of N,N‐Di‐ arylacetamides with Thionyl Chloride.
Authors: KONISHI H. , TAKISHITA M. , KOKETSU H. , OKANO T. , KIJI J. 
Published: May 2016

AbstractN,N‐Diarylacetamide (I) cyclisieren beim Erwärmen mit Thionylchlorid zu den Dichlorbenzothiazinonen (II), aus denen mit Methanol die gem‐Dimethoxy‐Derivate (III) erhalten werden.
ChemInform Abstract: Cyclopiperazines: A New Approach to Chiral Macrocyclic Receptors.
Authors: LARKINS H. L. , HAMILTON A. D. 
Published: May 2016

AbstractPiperazin(Ia) wird nach Umwandlung in (Ib) mit dem Dicarbonsäurechlorid (II) zu (IIIa) acyliert und dann zu dem freien Bis‐amin (IIIb) gespalten.
ChemInform Abstract: Novel Formation of 11,12‐Dihydro‐6H‐quino[2,3‐b][1,5]benzodiazepines: Reaction of 2‐Chloroquinoline‐3‐carbaldehydes with o‐Phenylenediamine.
Authors: BHANUMATHI N. , RAO K. R. , SATTUR P. B. 
Published: May 2016

AbstractDie Aldehyde (I) kondensieren mit o‐Phenylendiamin (II) zu Gemischen aus den Benzimidazolen(III) und den chromatographisch nicht trennbaren Benzodiazepinen (IV) und Di‐hydrobenzodiazepinen (V).
ChemInform Abstract: Synthesis and Conformation of 1‐Methyl‐3,4‐benzo‐7‐thia‐2‐azabicyclo‐[3.3.1]nonane 7‐Oxide.
Authors: TERADA Y. , TAKEUCHI I. , HAMADA Y. 
Published: May 2016

AbstractDie Chinaldine (I) reagieren mit dem aus DMSO und NaH erzeugten Methylsulfinylmethyl‐Carbanion zu den im Titel genannten Verbindungen (II).
ChemInform Abstract: A Practical Synthesis of (Dichloromethyl)‐ and (1,l‐Dichloroethyl)boronic Esters.
Authors: MATTESON D. S. , HURST G. D. 
Published: May 2016

AbstractAddition of lithium diisopropylamide to a mixture of the dichloroalkanes (I) and borates (II) in THF at temp. between ‐ 78 and 0 °C leads to formation of (dichloro‐alkyl)lithium and its capture by the borate ester.
ChemInform Abstract: Functionalized Silica Gel as a Support for Solid‐Phase Organic Synthesis.
Authors: KEANA J. F. W. , SHIMIZU M. , JERNSTEDT K. K. 
Published: May 2016

AbstractDas modifizierte Silicagel (Ia) wird zum Säurechlorid (Ib) umgesetzt, das als Festphasen‐Reagens eingesetzt wird.
ChemInform Abstract: Reaction of 1‐Trimethylsilylcyclopropyllithium Derivatives with Dichloromethyl Methyl Ether. A Novel Synthesis of Cyclopropyl Silyl Ketones.
Authors: NAKAJIMA T. , TANABE M. , OHNO K. , SEGI M. , SUGA S. 
Published: May 2016

AbstractDie Umsetzung der Trimethylsilylcyclopropyl‐lithiumverbindungen (II) mit Dichlormethylmethyl‐ether führt über eine intramolekulare 1,2‐Siliciumverschiebung zu einem Gemisch der Cyclopropylsilyl‐ketone (III) und der Cyclopropane (IV).
ChemInform Abstract: The Reaction of α‐Phosphorylated Carbonyl Compounds with Amino Alcohols.
Authors: MOSKVA V. V. , SITDIKOVA T. SH. , ZYKOVA T. V. , ALPAROVA M. V. , SHA'VALEEV F. SH. 
Published: May 2016

AbstractDie α‐Phosphoryl‐Carbonylverbindungen (I) reagieren mit den Aminoalkoholen(II) zu den Enaminen (III).
ChemInform Abstract: Phosphorus Compounds with Unusual Coordination. Part 13. Trapping Reactions of Phenyl Thioxophosphane by [4 + 1| Cycloaddition with o‐Quinones.
Authors: HUSSONG R. , HEYDT H. , REGITZ M. 
Published: May 2016

AbstractThe title compound Ph ‐ P= S, generated by thermal cycloreversion from (I) along with the corresponding dihydropyridazinedicarboximide, is trapped by the o‐quinones (II) to afford the [4 + 1] cycloadducts (IIIa)‐(IIIe).
ChemInform Abstract: Synthesis of 5‐Hydroxytryptamine‐Substituted Hexachlorocyclotriphosphazenes.
Authors: POPOVA G. V. , ALAPISHVILI E. G. , VORONTSOV E. D. , KIREEV V. V. , SUVOROV N. N. 
Published: May 2016

AbstractDas Hexachlorphosphazen (II) reagiert mit den Alkalisalzen des N‐Tritylserotonins (I) zu den Mono‐ oder Trisubstitutionsprodukten (III).
ChemInform Abstract: New Reagents. Part 37. (α‐Lithioalkyl)diphenylarsane Oxides: Synthesis and Application for the Indirect Nucleophilic Haloalkylation.
Authors: KAUFFMANN T. , JOUSSEN R. , WOLTERMANN A. 
Published: May 2016

AbstractStarting with the arsine (I) the arsine oxides (II) were prepared.
ChemInform Abstract: Synthesis of Thioselenophosphoric Acid O,O‐Dialkyl Ester Salts.
Authors: MEL'NIK YA. I. , PROTS D. I. , KOLODII YA. I. , SLAVICH V. M. 
Published: May 2016

AbstractDie Dialkyl‐thiophosphite (I) reagieren mit amorphem Selen zu den Thioselenophosphaten (II).
ChemInform Abstract: Rearrangements of Heterocyclic Compounds. Part 5. Selective, Oxophilic Imination of Ketones with Bis(dichloroaluminum) Phenylimide.
Authors: EISCH J. J. , SANCHEZ R. 
Published: May 2016

AbstractDas aus Ethylaluminiumdichlorid (I) und Anilin (II) in Toluol hergestellte Bis‐(dichloraluminium)‐imid (III) ist ein selektives Iminierungsreagens für die Überführung von Carbonylverbindungen (IV) in die Imine (V).
ChemInform Abstract: Metallacyclic Four‐Membered Ring Systems: Two Independent Routes to Bis(cyclopentadienyl)titanacyclobutabenzene.
Authors: DE BOER H. J. R. , AKKERMAN O. S. , BICKELHAUPT F. , ERKER G. , CZISCH P. , MYNOTT R. , WALLIS J. M. , KRUEGER C. + 
Published: May 2016

AbstractThe reaction of the new double Grignard reagent (II) with the titanocene (III) yields the title compound (IV).
ChemInform Abstract: A Convenient Method for Generation of Tin(II) Thioester Enolate and Its Reaction with Aldehyde.
Authors: MUKAIYAMA T. , YAMASAKI N. , STEVENS R. W. , MURAKAMI M. 
Published: May 2016

AbstractDie durch Addition der Zinnthiolate (II) an die Ketene (I) erhaltenen Thioesterenolate (III) reagieren mit den Carbonylverbindungen (IV) chemo‐ und diastereoselektiv überwiegend zu den Hydroxythioestern (V).
ChemInform Abstract: Isomerization of Siloxyphenylisocyanates by Complexing Agents.
Authors: CHIKINA N. L. , KOZYUKOV V. P. , MIRONOVA N. V. , GARNOVSKII A. D. 
Published: May 2016

AbstractDie O‐silylierten Arylisocyanate (I) lagern sich unter dem Einfluß von Lewis‐Säuren zu den komplexgebundenen N‐silylierten Benzoxazolonen (II) um.
ChemInform Abstract: Metallaheterocumulenes. Part 4. 2‐Azaallylidene Complexes. Novel Compounds with a Bent CNCR2 Fragment as Complex Ligand.
Authors: FISCHER H. , SEITZ F. , RIEDE J. 
Published: May 2016

Abstract(2‐Azoniaallenylidene)penta‐carbonyltungsten tetrabromoaluminate Complexes (II), which are synthesized by the reaction of (I) with AlBr3, react with freshly distilled THF to give the neutral Compounds (III) and small amounts of (IV).
ChemInform Abstract: Poly{[μ‐(2,5‐dicarboxypyrazine‐3,6‐dicarboxylato)‐trans‐diaquoiron(II) dihydrate]}. A Member of a New Class of Quasi‐Linear Chain Compounds. Preparation, Structure, and Magnetic Susceptibility.
Authors: MARIONI P.‐A. , STOECKLI‐EVANS H. , MARTY W. , GUEDEL H.‐U. + , WILLIAMS A. F. 
Published: May 2016

AbstractThe title complex (I) has been obtained from pyrazinetetracarboxylic acid and FeCl2 in deoxygenated H2O (10 min, 40 °C).
ChemInform Abstract: Nickelacyclobutabenzene Compounds by Oxidative Addition of Cyclopropabenzene to Nickel(0) Compounds.
Authors: NEIDLEIN R. , RUFINSKA A. , SCHWAGER H. , WILKE G. 
Published: May 2016

AbstractThe title reaction provides a novel and versatile entry to metallacyclobutabenzene Compounds (III), which are formed instead of the expected nickelannulenes.
ChemInform Abstract: Dinuclear Compounds with a p‐Cyano Ligand. Part 13. Synthesis, Characterization and Solid State Kinetics of the Formation of (μ‐Cyano)(tricyanometal(II))pentaamminerhodium(III) and Iridium(III) (Metal(II): Nickel, Palladium, Platinum). Influence of the Pt ‐ Pt Interactions.
Authors: RIBAS J. , SERRA M. , ESCUER A. 
Published: May 2016

AbstractThe Compounds (I), prepared by reaction of the aquo‐pentaamminerhodium‐ or ‐iridium perchlorates with the appropriate tetracyanometallates in water, react in the solid state to form the title complex (II) by thermal deaquation.
ChemInform Abstract: Potential Bile Acid Metabolites. Part 11. Syntheses of Stereoisomeric 7,12‐Dihydroxy‐5α‐cholanic Acids.
Authors: IIDA T. , MOMOSE T. , CHANG F. C. , NAMBARA T. 
Published: May 2016

AbstractDie Synthesen der stereoisomeren 5,12‐Dihydroxy‐5α‐cholansäuren (Ia) bis (Id) aus der 3‐Oxo‐7α,12α‐dihydroxy‐4‐cholensäure (II) werden beschrieben.
ChemInform Abstract: Synthesis of N‐Carboxydehydrotyrosine Anhydride and Its Transformation to Useful Dehydrotyrosine Derivatives.
Authors: SHIN C. , YONEZAWA Y. , OBARA T. 
Published: May 2016

AbstractDie im Titel genannte Verbindung (VI) wird aus dem Benzaldehyd (I) gemäß Formelschema hergestellt und nach konventionellen Methoden in die O‐ bzw. O,N‐geschützten Derivate (VIII) des Dehydrotyrosins übergeführt.
ChemInform Abstract: The ((β‐Phenylethyl)oxy)carbonyl ("Homobenzyloxycarbonyl", hZ) Amino‐ Protecting Group.
Authors: CARPINO L. A. , TUNGA A. 
Published: May 2016

AbstractDie Verwendung des Homobenzyloxycarbonylrestes (hZ) als Amino‐Schutzgruppe in der Peptidchemie wird beschrieben.
ChemInform Abstract: The Reaction of 9‐(2′,3′‐Dideoxy‐β‐D‐glycero‐pent‐2‐enofuranosyl)‐adenine Derivatives with Arene‐ and Alkanesulfenyl Chlorides. An Unusual Ring Opening Reaction of Thiiranium Ions.
Authors: WELCH C. J. , BAZIN H. , CHATTOPADHYAYA J. 
Published: May 2016

AbstractThe nucleoside derivative (I) reacts with sulfenyl chlorides (II) to give mixtures of the isomeric adducts (III)‐(V).