bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Heterocycles. Part 8. Synthesis of New Substituted Benz[g]indazoles.
Authors: EL‐RAYYES N. R. , AL‐JAWHARY A.
Published: May 2016

l‐Tetralon (I) reagiert mit Arylaldehyden (II) zu den Aryliden‐tetralonen (III), die mit den Hydrazinen (IV) zu den Benzindazolen (Va)‐(Vc) kondensiert werden können.
ChemInform Abstract: Oxamates Derived from 5‐Aminopyrazoles.
Authors: PEET N. P.
Published: May 2016

Aus Hydrazinen und Hydraziden (I) erhält man mit Ethoxymethylen‐malodinitril (II) die Amino‐pyrazol‐nitrile (III).
ChemInform Abstract: First Synthesis of 4‐Imidazolidinone.
Authors: NITTA Y. , YAMAGUCHI T. , TANAKA T.
Published: May 2016

Das Imidazolidinon (VI) wird auf dem angegebenem Wege hergestellt.
ChemInform Abstract: A New Synthesis of 2‐Oxathiolone.
Authors: WANG P.‐C.
Published: May 2016

Die anodische Oxidation des Monothiocarbonats (I) in Essigsäure mit Natriumacetat als Leitsalz liefert das Acetoxy‐Derivat (II), das zur im Titel genannten Verbindung (III) pyrolysiert wird.
ChemInform Abstract: Synthesis of N‐(1H‐Tetrazol‐5‐yl)‐azetidin‐2‐one and Its 4‐Methyl and 4‐Trifluoromethyl Analogues.
Authors: COSTEROUSSE G. , TEUTSCH G.
Published: May 2016

The syntheses of the title compounds (XIV), (X) and (VII), resp., are described, all starting from the 5‐aminotetrazole (I).
ChemInform Abstract: Solvent and Temperature Effects on the Nucleophilic Addition of Organolithiums to 3‐(4,4‐Dimethyloxazolin‐2‐yl)pyridine.
Authors: DUBEY S. K. , KNAUS E. E.
Published: May 2016

Die Umsetzung des Pyridins (I) mit den Organyllithium‐ Verbindungen (II) wird in verschiedenen Lösungsmitteln untersucht.
ChemInform Abstract: Reaction of Cyclic Thioimidates with Methyl 3‐Oxo‐4‐pentenoate (Nazarov′s Reagent). Total Synthesis of (+)‐epi‐Lupinine.
Authors: TAKAHATA H. , YAMABE K. , SUZUKI T. , YAMAZAKI T.
Published: May 2016

Durch Umsetzung der Lactimthioether (I) mit dem Ketoester (II) in Gegenwart von Quecksilber(II)‐chlorid erhält man die Heterocyclen (III) neben dem Methylthiopentanoat (IV).
ChemInform Abstract: Synthesis of 5,5′‐Methylenebispyrimidine Derivatives and 3,4‐Dithia‐[6.1](1.5)pyrimidinophane.
Authors: KINOSHITA T. , TANAKA H. , FURUKAWA S.
Published: May 2016

Das Oxazin (III) wird durch Umsetzung des Methylurethans (I) mit Diketen und anschließende Alkalibehandlung hergestellt und in das Methylen‐ bispyrimidindion (V) übergeführt.
ChemInform Abstract: 5‐(N‐Arylnortropan‐3‐yl‐ and 5‐(N‐Arylpiperidin‐4‐yl)‐2,4‐diaminopyrimidines. Novel Inhibitors of Dihydrofolate Reductase.
Authors: MAAG H. , LOCHER R. , DALY J. J. , KOMPIS I.
Published: May 2016

Based on a computer‐assisted analysis of the three‐dimensional structure of the binary complex of E. coli dihydrofolate reductase (DHFR) with methotrexate, the pyrimidines (VII) and (XV) were designed as inhibitors of DHFR..Syntheses of (VII) [as well as their endo isomers (IX)] and (XV) are carried out.
ChemInform Abstract: Purines. Part 28. Preparation of Some 3,7‐Dialkyladenines from 3‐Alkyladenines by Alkylation: A Subordinate Formation of 3,9‐Dialkyladenines.
Authors: FUJII T. , SAITO T. , INOUE I. , KUMAZAWA Y. , LEONARD N. J.
Published: May 2016

Die Alkylierung der 3‐Alkyladenine (I) zu den Dialkyladeninen (II) und (III) wird untersucht.
ChemInform Abstract: Synthesis and Cyclization Reactions of 4‐[Bis(2‐hydroxyethyl)amino]‐9‐(3‐dimethylaminopropylamino)‐1‐nitroacridines: Approaches to the Synthesis of ′Nitracrine Mustard′.
Authors: CHAMBERS D. , DENNY W. A.
Published: May 2016

Reaction of the chlorodinitrobenzene (I) with the amine (II) followed by selective reduction yields the nitroaniline (III), which is reacted with DPIC to give the diol (IVa) and its diacetate (IVb).
ChemInform Abstract: 2‐Aza‐1,3‐dienes. Part 3. A New Approach to Substituted 2‐Aminopyrazines.
Authors: LANG M. , SCHOENI J.‐P. , PONT C. , FLEURY J.‐P.
Published: May 2016

A series of 5‐dialkylamino‐2‐aza‐1,3‐dienes is obtained by treatment of the corresponding enamines with tosylated isonitrosomalono derivatives.
ChemInform Abstract: Studies on Pyrazines. Part 13. Chlorination of 1‐Hydroxy‐2(1H)‐pyrazinones with Phosphoryl Chloride. Formation of 2,5‐Dichloro‐3‐phenylpyrazine from 1‐Hydroxy‐3‐phenyl‐2(1H)‐pyrazinone.
Authors: SATO N.
Published: May 2016

Aus 1‐Hydroxy‐3‐phenyl‐2(1H)‐pyrazinon (I) erhält man mit Phosphoroxychlorid die Chlorverbindungen (II)‐(IV).
ChemInform Abstract: Synthesis of [1]Benzothieno[2,3‐e]pyrrolo[1,2‐a]pyrazines and Related Compounds.
Authors: EL‐KASHEF H. , RAULT S. , LANCELOT J.‐C. , ROBBA M.
Published: May 2016

Zahlreiche Benzothieno‐pyrrolo‐Derivate werden nach gängigen Verfahren hergestellt und umgesetzt.
ChemInform Abstract: Cross‐Coupling Reaction of Chloropyrazines with Acetylenes.
Authors: AKITA Y. , INOUE A. , OHTA A.
Published: May 2016

Die Reaktionen der Chlorpyrazine (I), der Chlorpyrazin‐N‐oxide (IV) und der Dichlorpyrazine (VI) mit den Acetylenen (II) in Gegenwart von Palladium‐Katalysatoren führt zu den Pyra‐zinylacetylenen (III), (V) und (VII).
ChemInform Abstract: Studies in 5‐Substituted 6‐Azauracils. Part 10. Synthesis of 3‐Thioxo‐2,3,4,6‐tetrahydro‐1,2,4‐triazino[5,6‐f] 2,3,4,6‐tetrahydro‐1,2,4‐triazino15,6‐f|naphthyridine‐6‐one.
Authors: HEJSEK M. , SLOUKA J.
Published: May 2016

Eine einfache Synthese für das Naphthyridin‐Derivat (III) wird ausgehend vom Thiosemicarbazon (I) beschrieben.
ChemInform Abstract: The Synthesis of Some Macrocyclic Dilactams and Their Complexes with Ba(II) and Mg(II) Perchlorates.
Authors: KILIC Z. , GUENDUEZ N. +
Published: May 2016

Durch Umsetzung des Dicarbonsäuredichlorids (V) mit den Diaminen (IV) nach Schotten‐Baumann erhält man die makrocyclischen Dilactame (VI).
ChemInform Abstract: Some Reactions of Adamantyl‐1‐phosphine.
Authors: YURCHENKO R. YU. , LAVROVA E. E. , YURCHENKO A. G.
Published: May 2016

Adamantyl‐1‐phosphin (I) wird, wie z.Tl. im Formelschema dargestellt, zu verschiedenen Derivaten (II)‐(IV) umgesetzt.
ChemInform Abstract: Abramov‐ and Kabachnik‐Fields Reactions of Salicylaldehyde.
Authors: NIFANT'EV E. E. , KUKHAREVA T. S. , POPKOVA T. N. , DAVYDOCHKINA O. V.
Published: May 2016

Die Reaktion von Salicylaldehyd (I) mit den sauren Phosphiten (II) in Gegenwart von Natriumalkoholat (Abramov‐Reaktion) führt zu den Phosphonsäureester‐Salzen (III), in Gegenwart von tertiärem Amin zu den Phosphonsäureestern (IW.
ChemInform Abstract: Organic Phosphorus Compounds. Part 1. 4‐(Benzothiazol‐2‐yl)benzylphosphonate as Potent Calcium Antagonist Vasodilator.
Authors: YOSHINO K. , KOHNO T. , UNO T. , MORITA T. , TSUKAMOTO G.
Published: May 2016

Die Phosphonate (I) werden nach bekannten Methoden hergestellt.
ChemInform Abstract: Spectroscopic and Magnetic Properties of Cu2(terpy)Cl4 (terpy: 2,2′ :6′,2"‐Terpyridine). A Magnetic System Constructed of Two Exchange‐coupled Dimers.
Authors: FOLGADO J. V. , CORONADO E. , BELTRAN D.
Published: May 2016

The title complex has been prepared by reaction of CuClg with the ligand in EtOH (re?ux 35‐40 min).
ChemInform Abstract: Acetylacetonate Complexes of Rhodium(I) with 1,3,2‐Oxaphosphorinanes.
Authors: NIFANT'EV E. E. , TELESHEV A. T. , SHIKOVETS T. A.
Published: May 2016

Die Komplexe (III) und (V) werden aus dem Rhodium‐Komplex (I) und äquimolaren Mengen der Oxazaphosphorinane (II) bzw. (IV) hergestellt.
ChemInform Abstract: Complexes of Platinum(II) and Palladium(II) with N‐(2‐Methyl‐4‐aminopyrimidinyl‐ 5)methylaniline.
Authors: ADEYEMO A. , RAVAL R. P.
Published: May 2016

The reactions of K2MCl4 (M: Pt, Pd) with the title ligand, a thiamine derivative, in water produced the Complexes (I).
ChemInform Abstract: Anodic Acetamidosulfenylation and Trifluoroacetoxysulfenylation of Steroidal Alkenes.
Authors: MELLOR J. M. , BRUZCO DE MILANO D. L. B.
Published: May 2016

Anodic acetamidosulfenylation of the cholestene (Ia) with the diaryldisulfides (VIII) yields the acetamido sulfides (IVa)‐(IVd), each of which is converted to the amide (IVe) on reductive desulfurization.
ChemInform Abstract: Deoxy‐Nitrosugars. Part 12. Synthesis of Isosteric Mono‐Phosphonate Analogues of β‐ and α‐D‐Fructose 2,6‐Bisphosphate,
Authors: MEUWLY R. , VASELLA A.
Published: May 2016

The nitro sugar (I) is converted to a mixture of the compounds (Va) + (Vb) + (VI) via the intermediates (IIIa)+(IIIb).
ChemInform Abstract: The Synthesis of 5′‐Alkylnicotines.
Authors: SHIBAGAKI M. , MATSUSHITA H. , KANEKO H.
Published: May 2016

Reaktion von Cotinin (I) mit den Lithium‐organylen (II) und nachfolgende Reduktion der intermediär gebildeten Enamine (III) liefern chromatographisch trennbare Gemische der cis‐ (IV) und trans‐5′‐substituierten Nicotine (V).
ChemInform Abstract: Studies on Nucleosides and Nucleotides. Part 12. Carbon‐Chain Extension at 5′‐Position of Ribonucleosides.
Authors: KIMURA J. , KOBAYASHI H. , MIYAHARA O. , MITSUNOBU O.
Published: May 2016

The nitrophenol (II) reacts with the nucleosides (I) or (X) in the presence of the compounds (III) and (IV) selectively at the 5′‐position to give the aci‐nitroesters (V) or (XI) , resp. [(VIa) or (VIb) are formed in addition to (Vb), (Vd); (XIIa) is formed in addition to (XIa)].
ChemInform Abstract: Synthesis of 6‐Sulfonylmethylene‐, 6‐Sulfinylmethylene‐ and Spiropyrazoline‐penicillanic Acids.
Authors: HAEBICH D. + , METZGER K.
Published: May 2016

Die Sulfonyl‐ bzw. Sul?nylmethylen‐penicillansäureester (IVa)‐(IVc) sowie die Acyl‐substituierten Analoga (IVd)‐(IVf) werden durch Wittig‐Horner‐ bzw. durch Wittig‐Reaktion des Dions (II) mit den Phosphonaten (III) bzw. 182 den Phoshoranen (V) hergestellt.
ChemInform Abstract: Two New Insect Growth Regulator Meliacins from Azadirachta indica A.
Authors: SIDDIQUI S. , FAIZI S. , MAHMOOD T. , SIDDIQUI B. S.
Published: May 2016

The novel bitter tetranortriterpenoids nimocinolide (Ia) and isonimocinolide (Ib), and the novel tetranortriterpenoid nimocin (II) were isolated (along with several known constituents) from the fresh winter leaves and the fresh fruits, resp., of the title plant.
ChemInform Abstract: Tungsten‐ or Molybdenum‐Coated p‐n Junction Silicon Electrodes for Efficient and Stable Photoelectrochemical Solar Energy Conversion.
Authors: NAKATO Y. , IWAKABE Y. , HIRAMOTO M. , TSUBOMURA H.
Published: May 2016

Current‐potential characteristics and long term stability for p+n‐Si photoelectrodes coated with a thin layer.
ChemInform Abstract: Leucotrienes ‐ Naturally Occurring Biologically Active Metabolites of Polyunsaturated Acids
Authors: EVSTIGNEEVA R. P. , MYAGKOVA G. I.
Published: May 2016

Review: (223 refs.
ChemInform Abstract: Triplets and Biradicals
Authors: HUDSON A.
Published: May 2016

Review: (120 refs.
ChemInform Abstract: The Effect of Additives on the Deposition and Dissolution of Copper in Pyrophosphate Solution.
Authors: TAM T. M. , TAYLOR R.
Published: May 2016

The process of electroplating Cu from pyrophosphate solutions consists of the cathodic Cu deposition from Cu(P2O7)3′ and the dissolution of the Cu anode.
ChemInform Abstract: An X‐Ray Photoelectron Spectroscopic Study of Uranium Compounds.
Authors: BEACH D. B. , BOMBEN K. D. , EDELSTEIN N. M. , EISENBERG D. C. , JOLLY W. L. , SHINOMOTO R. , STREITWIESER A. JUN.
Published: May 2016

The gasphase X‐ray photoelectron spectra of UFÖ, U(BH4)4, U(BH3CH3)4, and U(C8H8)2 (I) have been obtained.
ChemInform Abstract: Resonance Raman Spectroscopy of Metallochlorins. Part 2. Properties of Meso‐Substituted Systems.
Authors: ANDERSSON L. A. , LOEHR T. M. , SOTIRIOU C. , WU W. , CHANG C. K.
Published: May 2016

Acomparative analysis of the FTIR and resonance RA spectroscopic properties of meso‐substituted Ni(II) and Cu(II) complexes of tetramethyland tetraphenylchlorin with their respective porphyrin analogues was performed.
ChemInform Abstract: Dynamic, Static, and Theoretical Electron Deformation Density for Binuclear Transition‐Metal Complexes: Dicobalt Hexacarbonyl Acetylene.
Authors: BAERT F. , GUELZIM A. , POBLET J. M. , WIEST R. , DEMUYNCK J. , BENARD M.
Published: May 2016

The electron deformation density distribution in the complex (I) is obtained from low‐temp.
ChemInform Abstract: The Effect of Phenyl Groups on the Homoconjugation in the Bicyclo[3.2.1]octa‐3,6‐dien‐2‐yl Anion.
Authors: CHRISTL M. , BRUECKNER D. +
Published: May 2016

The effects of deuterium atoms in the 2 and 4 positions of the compounds (Ia), (Ib), and (II) on their ′3C chemical shifts are in line with the previous interpretation of the effects in correspondingly deuterated anions (III), and thus provide evidence for homoconjugative interaction in (III).
ChemInform Abstract: Stable Trifluoromethylated Allyl and Heteroallyl Anions: Structure and Dynamic Properties.
Authors: FARNHAM W. B. , MIDDLETON W. J. , FULTZ W. C. , SMART B. E.
Published: May 2016

The salts (Ia), (III) and (IV) are obtained in nearly quantitative yield by ITHS+HMC3SiFE l in to "‐" C = C(CF3)2, = C = X 01′ Rz‐ N = C = O. Similarly, [Et4N ][CN "1 or 4‐(dimethylamino)pyridine with (CF3)2C = C = C(CF3)2 gives the salt (Ib) or the zwitterion (II).
ChemInform Abstract: A Microscopic Hydrophobicity Parameter.
Authors: MENGER F. M. , VENKATARAM U. V.
Published: May 2016

Amethod is developed to assess the hydrophobic character of an organic group R. It exploits the fact that the quat.
ChemInform Abstract: Electrochemistry of Carbonyl(fulvalene)dimetal Complexes (M2: Cr2, Mo2, W2, Ru2, Mo‐Ru) in Aprotic Media.
Authors: MOULTON R. , WEIDMAN T. W. , VOLLHARDT K. P. C. , BARD A. J.
Published: May 2016

All of the metal‐metal‐bonded compounds (I) behave analogously in electrochemical studies.
ChemInform Abstract: Reductive and Regioselective Cleavage of Oxetanes Assisted by the Neighboring Hydroxyl.
Authors: KATO M. , KITAHARA H. , YOSHIKOSHI A.
Published: May 2016

The dioxadispiroundecane (I) and the oxaspirononanol (III) are converted on treatment with LiAlH4 to the diol (II) by regioselective C ‐ O bond Cleavage of the oxetane rings.
ChemInform Abstract: Lewis Acid Catalysis of Photochemical Reactions. Part 5. Selective Isomerization of Conjugated Butenoic and Dienoic Esters.
Authors: LEWIS F. D. , HOWARD D. K. , BARANCYK S. V. , OXMAN J. D.
Published: May 2016

Irradiation of the (E)‐esters (I) in CH2Cl2 yields mixtures of the (E)‐ and (Z)‐esters (I) and (II) and the β,γ‐unsaturated esters (III).
ChemInform Abstract: Charge‐Transfer Sensitization of the Valence Photoisomerization of Norbornadiene to Quadricyclene by an Orthometalated Transition‐Metal Complex.
Authors: GRUTSCH P. A. , KUTAL C.
Published: May 2016

The Valence photoisomerization of norbornadiene (I) to quadricyclene (II) is sensitized by the iridium(III) complex (III).
ChemInform Abstract: Protonation of Nitro Groups. Diprotonation of β‐Nitrostyrenes in Trifluoromethanesulfonic Acid.
Authors: OHWADA T. , OHTA T. , SHUDO K.
Published: May 2016

As shown by cryoscopy and NMR, protonation of various (E)‐ angi (Z)‐substituted β‐nitrostyrens (I) yields the (E)‐substituted QO‐diprotonated dications (II).
ChemInform Abstract: Tautomeric Instability of 10‐Deoxydaunomycinone Hydroquinone.
Authors: BRAND D. J. , FISHER J.
Published: May 2016

Anaerobic reduction of daunomycin (I) by sodium dithionite gives the 10‐deoxydaunomycinone (II).
ChemInform Abstract: Reaction of Fluorinated β‐Aminovinylketones with Amines.
Authors: PASHKEVICH K. I. , FILYAKOVA V. I.
Published: May 2016

Die β‐AminovinyIketone (I) reagieren mit Ammoniak und Aminen unter Umaminierung.
ChemInform Abstract: Synthesis of Alkoxyalkyl Esters of N‐(β‐Methoxyethyl)anilines.
Authors: ABDUSALAMOV A. B. , DUSTMUKHAMEDOV T. T. , ABDULLAEV U. , ALLAYAROV S. R.
Published: May 2016

Die Aniline (I) werden mit den Chloressigsäureestern (II) zu den N,N‐disubstituierten Anilinen (III) umgesetzt.
ChemInform Abstract: A Simple, Powerful, and Efficient Method for Transesterification.
Authors: METH‐COHN O.
Published: May 2016

In Gegenwart von Butyllithium lassen sich Methylester (I) mit einer Reihe verschiedener Alkohole (II) zu den Verbindungen (III) umestern.
ChemInform Abstract: Aliphatic Azo Compounds. Part 15. cis‐ and trans‐Tetracyclopropyl‐ and Tetra‐tertbutylazomethanes.
Authors: BERNLOEHR W. + , FLAMM‐TER MEER M. A. , KAISER J. H. , SCHMITTEL M. , BECKHAUS H.‐D. , RUECHARDT C. +
Published: May 2016

The yellow title compounds (II) and (III) or (VII) (yield given in g) and (VIII) (no yield given) can be prepared as shown in the scheme.
ChemInform Abstract: Alcoholates from Hexafluoropropyleneoxide, Halides and Pseudohalides of Alkali Metals.
Authors: VILENCHIK YA. M. , LEKONTSEVA G. I. , MUKHAMETSHIN F. M. , FROLOV K. I. , PONOMARENKO V. A.
Published: May 2016

Aus Hexafluorpropenoxid (I) werden mit den Metallsalzen (II) die α‐substituierten Alkoholate (III) gebildet.
ChemInform Abstract: Synthesis of α‐Amino‐dialdehydes.
Authors: GARRIGUES B. , LAZRAQ M.
Published: May 2016

Diethanolamin (I) wird in das N‐BOC‐Derivat (III) übergeführt und dieses dann mit Chromtrioxid/Pyridin zum entsprechenden Dialdehyd (IV) oxidiert.
ChemInform Abstract: Nitrosoalkylureas with Quaternary Nitrogen Atom. Part 4. Synthesis of New Nitrosoalkylureas Based on Bis‐Quaternary Ethylene Diammonium Salts.
Authors: BELYAEV A. A. , RADINA L. B.
Published: May 2016

Wie im Formelschema gezeigt, wird eine Synthesemethode zur Herstellung der Nitroso‐alkylharnstoffe (VII) auf Basis der bis‐quartären Ammoniumsalze (III) ausgearbeitet.
ChemInform Abstract: Synthesis, Structure, and Cope Rearrangement of Some 3,7‐Dicyano‐1,5‐dimethylsemibullvalenes.
Authors: QUAST H. , GOERLACH Y. + , PETERS E.‐M. , PETERS K. , VON SCHNERING H. G. , JACKMAN L. M. , IBAR G. , FREYER A. J.
Published: May 2016

The reaction of the diketone (I) with the solvent and reagent (IV) under the conditions given in the scheme yields the dicyano compounds (II) and (III), with the latter being isolated as′ a single diastereomer and as mixture of both isomers, resp., in two different runs.
ChemInform Abstract: Study of the Reaction of Sulfur Halides with Unsaturated Compounds.
Authors: TOLSTIKOV G. A. , LERMAN B. M. , BELOGAEVA T. A.
Published: May 2016

Die Reaktion von Dischwefeldichlorid mit Adamantylidenadamantan (I) wird bei verschiedenen Molverhältnissen untersucht.
ChemInform Abstract: Reaction of Schiff Bases Anions with 4‐Halo‐2‐butenoates: Selective Synthesis of α‐Cyclopropyl and γ,δ‐Unsaturated α‐Amino Acid Derivatives.
Authors: JOUCLA M. , EL GOUMZILI M. , FOUCHET B.
Published: May 2016

Aminosäureesterimine (I) werden mit Brom‐crotonsäureestern (II) unter basischen Bedingungen in THF zu den Cyclopropanen (III) umgesetzt, während in Gegenwart von Hexamethylphosphorsäuretriamid bzw. unter Phasen‐ Transfer‐Bedingungen die Substitutionsprodukte (IV) gebildet werden.
ChemInform Abstract: 4,7‐Diphenyl‐2‐(p‐dimethylaminophenyl)indandione‐1,3 and Its Dehydrodimer.
Authors: NIKULIN V. I. , PISARENKO L. M.
Published: May 2016

Durch Perkin‐Gabriel‐Reaktion wird das Indandion (IV) hergestellt und daraus das Dimere (V), das in Lösung Thermochromie zeigt, erhalten.
ChemInform Abstract: Preparations and Reactions of 10‐(Halomethylene)anthrones.
Authors: HIRAKAWA K. , OGIUE E. , MOTOYOSHIYA J. , KAKURAI T.
Published: May 2016

Aus 10‐Methylen bzw. 10‐Benzyliden‐anthron (Ia) und (Ib) erhält man nach Halogenaddition zu (II) mit Wasser oder Methanol die Substitutionsprodukte (III), die zu den auch direkt aus (II) herstellbaren′ Anthronen (IV) umgesetzt werden.
ChemInform Abstract: Synthesis of 1‐Benzyl‐2‐trifluoromethylaziridine via Gabriel Reaction.
Authors: IGNATOVA YU. L. , KARIMOVA M. N. , KIL'DISHEVA O. V. , KNUNYANTS I. L.
Published: May 2016

Das Tri?uormethyl‐substituierte Aziridin (III) wird aus dem Propenderivat (I) hergestellt.
ChemInform Abstract: 5‐Nitro‐2‐thienylvinylation. Preparation of 2‐Substituted 1‐(5‐Nitro‐2‐thienyl)ethylenes.
Authors: HRABOVSKY J. , KOVAC J. , KAPRINAYOVA M.
Published: May 2016

Treatment of the sodium salt of the acid (I) with NBS at 90°C yields a 121.75 mixture of the Z‐ and the novel E‐bromovinyl compounds (II) and (III), which is separated.
ChemInform Abstract: Ring Contraction of a 5‐Acetylpyrimidine into Pyrazoles by the Action of Substituted Hydrazines in Acidic Medium.
Authors: MENICHI G. , BOUTAR M. , KOKEL B. , TAKAGI K. , HUBERT‐HABART M.
Published: May 2016

Aus dem Acetyl‐pyrimidin (I) erhält man mit den Hydrazinen (II)je nach den Reaktionsbedingungen die Pyrazole (III) und die Pyrimidine (IV) in unterschiedlichen Anteilen.
ChemInform Abstract: Syntheses and in vitro Antimicrobial Activities of Thiazolo[3,2‐a]benzimidazol‐ 3(2H)‐ones.
Authors: RIDA S. M. , SALAMA H. M. , LABOUTA I. M. , GHANY Y. S. A.
Published: May 2016

Das aus o‐Phenylendiamin (I) zugängliche Thiazolobenzimidazol (IV) wird in die Derivate (VI) und (VIII) übergeführt.
ChemInform Abstract: Synthesis of Isomeric 4‐ and 5‐Hydroxylaminothiazolidine‐2‐thiones.
Authors: ORLOVA T. I. , EPSHTEIN S. P. , TASHCHI V. P. , RUSAKOV A. F. , BOGEL'FER L. YA. , PUTSYKIN YU. G.
Published: May 2016

Durch Umsetzung der Amino‐substituierten Oxime (I) mit Schwefelkohlenstoff und der dimeren Chlornitrosoverbindungen (IV) mit den Dithiocarbamaten (V) werden die isomeren 4‐ und 5‐Hydroxylaminothiazolidinthione (II) und (VI) hergestellt.
ChemInform Abstract: Studies on Pyrrolidinones. A Convenient Synthesis of 2‐Methyl‐5‐(5‐oxo‐ l‐benzyl‐ 2‐pyrrolidinyl)‐1,3,4‐oxadiazole.
Authors: RIGO B. , COUTURIER D.
Published: May 2016

Das Hydrazid (I) wird nach Acetylierung zu (II) ′ mit verschiedenen sauren Reagentien cyclisiert, wobei mit Phosphorpentoxid und Methansulfonsäure optimale Ausbeuten an dem Oxadiazol (III) erhalten werden.
ChemInform Abstract: High Selective Synthesis of Symmetrical Trisubstituted Pyridines Using Transition and Non‐Transition Metal Salts.
Authors: SELIMOV F. A. , RUTMAN O. G. , DZHEMILEV U. M.
Published: May 2016

Für die Synthese von Pyridin‐Derivaten aus den Säurechloriden (II) und/ oder (VI) sowie Isobuten (I) werden eine Vielzahl von Lewis‐Säuren und deren Kombinationen als Katalysatoren geprüft.
ChemInform Abstract: Synthesis of 7‐Substituted Imidazo[1,2‐a]pyrimidin‐5(1H)‐ones.
Authors: NUGENT R. A. , MURPHY M.
Published: May 2016

2‐Amino‐imidazol‐sulfat (I) reagiert mit den Ketoestern (II) bzw. (IV) zu den Imidazo‐pyrimidinen (III) bzw. (V).
ChemInform Abstract: Nuclear Hydroxylated Metabolite of Fluradoline (2‐Fluoro‐11‐[β‐methylamino)ethylthio]dibenz[b,f]oxepin Hydrochloride).
Authors: AGNEW M. N. , RIZWANIUK A. , ONG H. H. , WICHMANN J. K.
Published: May 2016

Als Metabolisierungsprodukt des Analgeticums Fluradoline (I) entsteht die Hydroxyverbindung (IIa), die, wie im Formelschema beschrieben, synthetisiert wird.
ChemInform Abstract: The Reaction of Boryloxyalkylphosphines with Amines.
Authors: ARBUZOV B. A. , NIKONOV G. N. , ERASTOV O. A.
Published: May 2016

Die Dioxaphosphaborinane (I) bilden mit Pyridin die Addukte (II), mit primären Aminen wie (IV) werden Ringöffnungsprodukte wie (V) erhalten.
ChemInform Abstract: Synthesis and Equilibrium of 5‐Phenyl‐5‐thio(seleno)‐2‐phenyl(ethoxy)‐ 1,3,5‐dioxaphosphorinane Stereoisomers.
Authors: ARBUZOV B. A. , ERASTOV O. A. , IONKIN A. S. , IGNAT'EVA S. N.
Published: May 2016

Bei der Cyclisierung des Phosphinsulfids (I) mit dem Acetal (II) wird nur ein Stereoisomeres (III) gefunden.
ChemInform Abstract: Reactions of Zn(S2P(OR)2)2 with Nitrogen Bases and the Single‐crystal X‐Ray Structures of Zn(S2P(OiPr)2)2 ‐ H2NCH2CH2NH2 and Zn(S2P(OiPr)2)2 · NC5H5.
Authors: DREW M. G. B. , HASAN M. , HOBSON R. J. , RICE D. A.
Published: May 2016

The adducts (I) and (IV) and the ionic Compounds (II) and (III) are isolated by treating Zn(S2P(OR)2)2 with N bases in the appropriate stoichiometry.
ChemInform Abstract: Stereochemistry and Total Synthesis of Amavadin, the Naturally Occurring Vanadium Compound of Amanita muscaria.
Authors: KNEIFEL H. , BAYER E.
Published: May 2016

Comparative studies of the decomposition products (Ia) and (Ib) of natural amavadin (II) and its total Synthesis from V0804 and N‐(L‐1‐carboxyethyl)‐N‐hydroxy‐L‐alanine (III) show that the monohydrated V0 complex (II) contains two ligand molecules L‐configurated in both asymm. Centers.
ChemInform Abstract: Multiple Bonds Between Main Group Elements and Transition Metals.
Authors: HERRMANN W. A. , ROHRMANN J. , HERDTWECK E. , BOCK H. , VELTMANN A.
Published: May 2016

Selective reduction of the Cr2Se complex (I) cobaltocene (II) leads to the novel ionic complex (III) with diamagnetic anion which is extremely sensitive to oxygen.
ChemInform Abstract: Laser Flash Photolysis Study of the Charge‐transfer Photochemistry of Octacyanomolybdate(V) and Octacyanotungstate(V) Ions.
Authors: BUTTER K. R. , KEMP T. J. , SIEKLUCKA B. , SAMOTUS A.
Published: May 2016

The photoreduction of (W(CN)8)3‐ in water and MeOH has been found to proceed through a long lived intermediate that decays into (W(CN)8)4‐ . The transient lifetime is shortened by orders of magnitude on adding hydrogen ion and/or electrolytes, in a manner suggesting cation‐, but not anion‐, specificity and implying ion pairing in the accelerated deactivation process.
ChemInform Abstract: Salt and Cosolvent Effects on the Sulphite ‐ Hexacyanoferrate(III) Reaction.
Authors: RODRIGUEZ A. , LOPEZ S. , CARMONA‐GUZMAN M. C. , SANCHEZ F. , PIAZZA C.
Published: May 2016

The rate of the reaction between sulphite and hexacyanoferrate(III) ions has been measured in several concentrated salt solutions (NaClO4, NaCl, NaNO3) and in several isodielectric water‐ solvent mixtures (alcohols, DM F, CH3CN, dextrose, sucrose).
ChemInform Abstract: Coordination Chemistry of Higher Oxidation States. Part 19. Synthesis and Properties of Diphosphine and Diarsine Complexes of Iron(IV) and Iron K‐Edge EXAFS Data on [ Fe(o‐C6H4(PMe2)2)2Cl2]n +(BF4)n (n: 0,2)
Authors: HARBRON S. K. , HIGGINS S. J. , LEVASON W. , FEITERS M. C. , STEEL A. T.
Published: May 2016

Pure examples of the Fe(IV) complexes (Ia) and (Ib) (X: C1) are obtained by a) nitric acid oxidation or b) chlorine oxidation in TFA of the Fe(III) analogues, followed by precipitation with HBF4.
ChemInform Abstract: Influence of Closed‐Shell Cations on the LMCT Transition of Pentacyanoferrate(III) Complexes.
Authors: WARNER L. W. , HOQ M. F. , MYSER T. K. , HENDERSON W. W. , SHEPHERD R. E.
Published: May 2016

The bathochromic shifts produced on the LMCT spectra of the title complexes [Fe(CN)5L]2‐ (L: 4‐(dimethyamino)pyridine, benzimidazole) are investigated.
ChemInform Abstract: Systematic Design of Chemical Oscillators. Part 36. A New lodate Oscillator: The Landolt Reaction with Ferrocyanide in a CSTR.
Authors: EDBLOM E. C. , ORBAN M. , EPSTEIN I. R.
Published: May 2016

At a temp. of 30°C or higher, the reaction ofsul?te, iodate, and ferrocyanide exhibits sustained oscillation in a continuous flow stirred tank reactor (CSTR).
ChemInform Abstract: Reactions of Coordination Compounds in the Solid State. Part 1. Behavior of Cobalt(III) Bis(ethylenediamine) Diammine Salts.
Authors: FUJIWARA T. , BAILAR J. C. JUN.
Published: May 2016

The behavior of solid, crystalline salts cis‐[Co(Zn)2(NH3)2]X3 (X: Cl, PF6 ), on heating, is studied.
ChemInform Abstract: Dihydroazaborolyl Complexes. Part 20. Dynamic Behavior of BN Perturbed Cyclopentadienyl Ligands.
Authors: SCHMID G. , SCHMIDT F.
Published: May 2016

The azaborole (I) reacts with Co2(CO)3 to give the half sandwich complex (II) as a liquid.
ChemInform Abstract: Synthesis, X‐Ray Structure, and Magnetic Properties of Di‐μ‐chloro‐bis[N‐(2‐hydroxy‐2‐phenylethyl)salicylideneaminatocopper(II)].
Authors: NEPVEU F. , BORMUTH F.‐J. , WALZ L.
Published: May 2016

The title complex (I) was prepared by addition of CuCl2 to a mixture of salicylaldehyde and 2‐amino‐1‐phenylethanol in MeOH and recrystallized from DMF.
ChemInform Abstract: Ruthenium(II)‐Catalyzed Thioether Oxidation. Part 1. Synthesis of Mixed Sulfide and Sulfoxide Complexes.
Authors: RILEY D. P. , OLIVER J. D.
Published: May 2016

RuX2(Me2SO)4 complexes (X: Br, C1) are excellent catalysts for the selective oxygen oxidation of thioether.
ChemInform Abstract: Ruthenium(II)‐Catalyzed Thioether Oxidation. Part 3. Syntheses and Structure of Model Complexes with the New Linear Tridentate Ligand Bis(3‐(ethylsulfinyl)propyl) Sulfide.
Authors: RILEY D. P. , OLIVER J. D.
Published: May 2016

The title ligand (II) is obtained beside the bis(sulfoxide) (III), the tris(sulf0xide) (IV), and two monosulfoxide products by the reaction shown in the scheme.
ChemInform Abstract: Synthesis, Crystal Structure, and Spectroscopic Properties of [Mo2(O2CMe)2(MeCN)6][BF4]2, [Rh2(O2CMe)2(MeCN)6 ][ BF4]2, and [Rh2(O2CMe)2(MeCN)4(py)2][BF4]2.
Authors: PIMBLETT G. , GARNER C. D. , CLEGG W.
Published: May 2016

Treatment of the dimeric acetato complexes of Mo and Rh with trimethyloxonium tetrafluoroborate in MeCN (20°C, 30 min or 8 h, mol ratio 1:4) produced the title complexes (I) or (IIa), dissolution of the Rh derivative in Py gave (IIb).
ChemInform Abstract: The Reactions of the Tri‐μ‐hydroxo‐bis[η6‐p‐cymeneosmium(II)] Cation with Aldehydes and Acids and the Homogeneously Catalysed Oxidation of Acetaldehyde and Propionaldehyde with Water.
Authors: CABEZA J. A. , SMITH A. J. , ADAMS H. , MAITLIS P. M.
Published: May 2016

The tri‐μ‐hydroxo complex cation (II) reacts with the aldehydes R1‐CHO to give the complexes (III) and with the water‐insoluble aldehydes R2‐CHO to yield the complexes (IVa) and (IVb).
ChemInform Abstract: Arene(phosphane)metal Complexes. Part 12. Unexpected Formation of Monohydrido(phosphane)osmium(II) Complexes C6H6OsH(PMe2(OR))I from C6H6Os(PMe2H)I2. A Compound Containing an Os = PMe2 Bond as Intermediate?
Authors: WEINAND R. , WERNER H.
Published: May 2016

The reaction of the dimeric Compound (I) with the phosphine (II) produces the complex (III) which on addition of KOtBu in MeOH or NHEt2 yields unexpectedly the mononuclear Complexes (IVa) or (IVb).
ChemInform Abstract: Extremely Stereoselective and Stereospecific Reductive Cleavage of β‐Lactams: A Highly Efficient Route to Labelled Homochiral Peptides.
Authors: OJIMA I. , SHIMIZU N.
Published: May 2016

Cleavage of β‐lactams of type (I) with D2 leads stereospecifically to dipeptide derivatives (II) in quantitative yields.
ChemInform Abstract: Synthesis of 3‐Deoxy‐ and 3‐Deoxy‐3‐fluorosucrose, and α‐D‐Allopyranosyl β‐D‐ Fructofuranoside.
Authors: BINDER T. P. , ROBYT J. F.
Published: May 2016

Ausgehend von Sucrose (Ia) wird über die Derivate (Ib) und (Ic) zunächst die partiell geschützte Verbindung (Id) dargestellt.
ChemInform Abstract: Composition and Performance of Thin Film CdSe Electrodeposited from Selenosulfite Solution.
Authors: SZABO J. P. , COCIVERA M.
Published: May 2016

The influence of solution Composition and electrode potential on thin CdSe films electrodeposited from aqueous selenosulfite solution has been investigated.
ChemInform Abstract: Study on AB2X5 Compounds (A: K, In, Tl; B: Sr, Sn, Pb; X: Cl, Br, I).
Authors: BECK H. P. , CLICQUE G. , NAU H.
Published: May 2016

The preparation conditions of 14 title Compounds are given in a table.
ChemInform Abstract: Corrosion Study and Minority Carrier Diffusion Length Determination of n‐Type SnS2 and SnSSe.
Authors: FOTOUHI B. , KATTY A.
Published: May 2016

SnS2 and SnSSe are unstable in the dark in electrolytes containing oxidizing agent such as Fe(CN)63‐ (KOH) and Ce4+ (H2SO4).
ChemInform Abstract: Thermal Decomposition and Dehydration of Magnesium Perchlorate Hexahydrate.
Authors: DEVLIN D. J. , HERLEY P. J.
Published: May 2016

Dehydration of Mg(C1O4)2‐6 H2O occurs in three distinct steps in the temp. ranges 148‐197, 248‐278, and 344‐395°C, each of them associated with the removal of 2 H2O. The thermal decomposition of Mg(C1O4)2 proceeds via the formation of an intermediate, (MgO‐MgC1O4), which dissociates at low temp. and decomposes rapidly at 417°C to give MgO.
ChemInform Abstract: Catalysis by Amorphous Metal Alloys. Part 4. Structural Modification Towards Metastable States and Catalytic Activity of Amorphous Ni62B38 Ribbon Alloy.
Authors: YAMASHITA H. , YOSHIKAWA M. , FUNABIKI T. , YOSHIDA S.
Published: May 2016

Structural modification of amorphous Ni62B38 ribbon alloy by thermal treatment yields alloys in precrystallization, metastable and stable crystallized states the catalytic activities of which (hydrogenolysis of ethane and cyclopropane) are correlated to the surface states (XRD, DTA, ‐SEM, ESCA, electrical resistivity and hydrogen chemisorption measurements).
ChemInform Abstract: Demonstration of Alternative Spin States in Clusters Containing the Biologically Relevant (Fe4S4)+ Core.
Authors: CARNEY M. J. , HOLM R. H. , PAPAEFTHYMIOU G. C. , FRANKEL R. B.
Published: May 2016

Magnetic properties and Mößbauer and EPR spectroscopic investigations of the Clusters (I), containing the cubane type odd‐electron [Fe4S4]+ core, demonstrate that different spin ground states of this core can be realized, here S = 1/2 (Ia) and S = 2/3 (Ib), and that a quartet Cluster in the solid state can be transformed to a mixture of quartet and doublet Clusters in solution.
ChemInform Abstract: Electrochemical Oxidation of [Dibenzo‐18‐crown‐6‐K][Cr(CO)5F] and Cr(CO)6 : Characterization of [Cr(CO)6]+ and Its Substitution Reactions with Fluoride and Trifluoroacetate.
Authors: BAGCHI R. N. , BOND A. M. , COLTON R. , LUSCOMBE D. L. , MOIR J. E.
Published: May 2016

Electrochemical oxidation of the title carbonyl fluoride complex has been studied in CH2Cl2, CH3CN, and acetone to establish whether electrochemical synthesis of relatively rare higher oxidation state carbonyl fluoride complexes may be achieved.
ChemInform Abstract: The Conductive Sulfur/Carbon Mixture Cathode. An Efficient Synthesis of Thiophenes and Related Compounds from Acetylenes.
Authors: LE GUILLANTON G. , DO QUANG THO DO QUANG THO , SIMONET J.
Published: May 2016

Die Elektroreduktion der Acetylene (I) an einer Schwefel‐Kohlenstoff‐ Elektrode liefert aus (Ib)‐(If) die Thiophene (II).
ChemInform Abstract: Metal Ion Catalysis by Blocking Inhibitory Reverse Paths in the Hydrolysis of 3‐Carboxyaspirin.
Authors: SUH J. , CHUN K. H.
Published: May 2016

The hydrolysis of the title compound (I) is kinetically investigated in the presence or absence of tri‐ or divalent metal ions and the mechanism is discussed in detail.
ChemInform Abstract: Doubly Destabilized Carbocations. Strong Aryl Delocalization and the Attenuation of Rate Decelerating Effects of CF3 and CN Groups.
Authors: ALLEN A. D. , KANAGASABAPATHY V. M. , TIDWELL T. T.
Published: May 2016

Kinetic results of solvolysis in (II) and different other solvents are interpreted in terms of carbocationic transition states and intermediates in which the Charge is largely delocalized onto the aryl group.
ChemInform Abstract: Asymmetrie Michael Additions of Ester Enolates to Enantiomerically Pure Vinylic Sulfoxides.
Authors: POSNER G. H. , WEITZBERG M. , HAMILL T. G. , ASIRVATHAM E. , HE C. , CLARDY J.
Published: May 2016

Asymmetrie Michael Additions of Ester Enolates to Enantiomerically Pure Vinylic Sulfoxides.
ChemInform Abstract: Aqueous Intermolecular Diels‐Alder Chemistry. Reaction of (E)‐2,4‐Pentadienyl Ammonium Chloride and Related Ammonium Salts with Dienophiles in Water.
Authors: GRIECO P. A. , GALATSIS P. , SPOHN R. F.
Published: May 2016

The Diels‐Alder reactions of the hydrochlorides of (E)‐2,4‐pentadienyl amine (II), (E)‐3,5‐hexadienyl amine (VI) and of (E)‐4,6‐heptadienyl amine (VIII) in an acidic aqueous medium with a variety of dienophiles ‐ (Ia) to (Ic), (IV) ‐ afford the corresponding adducts (III), (V), (VII) and (IX) in high yields.
ChemInform Abstract: Silicon‐Directed Nazarov Cyclizations. Part 4. Stereochemical Control.
Authors: DENMARK S. E. , HABERMAS K. L. , HITE G. A. , JONES T. K.
Published: May 2016

The influence of substituents on the stereochemical outcome of the title reaction is studied.
ChemInform Abstract: Sequential Ene Reactions. Part 2. Synthesis of Bicyclic Adducts with Angular Methyl Groups.
Authors: SNIDER B. B. , GOLDMAN B. E.
Published: May 2016

Depending on the condition used, the reactions of the compounds (I) with acrolein (IV) furnish the bicyclic products (II) or (III).
ChemInform Abstract: Synthesis of Heterocycles Using Trifluoropyruvic Acid Hydrate.
Authors: MUSTAFA M. E. , TAKAOKA A. , ISHIKAWA N.
Published: May 2016

Die im Titel genannte Verbindung (III) kondensiert mit Harnstoffen (II), o‐Phenylendiaminen (IV), o‐Aminophenolen bzw. ‐thiophenolen (VI) zu den fünf‐ (I) bzw. sechsgliedri‐ gen Heterocyclen (V) und (VII).
ChemInform Abstract: New Sigmatropic Sequences Based on the I2,3l‐Wittig Rearrangement of the Bis‐Allylic Ether System: A General Approach to Regiocontrolled C ‐ C Bond Formation of Allylic Moieties Leading to Unsaturated Carbonyl Compounds.
Authors: MIKAMI K. , KISHI N. , NAKAI T. , FUJITA Y.
Published: May 2016

Four sigmatropic Sequences triggered by the regiocontrolled [2,3]‐Wittig rearrangement of bis‐allylic ether systems are investigated giving the unsaturated aldehydes shown in the scheme.
ChemInform Abstract: Regiochemical Control in Intramolecular Photochemical Reactions of 1,6‐Heptadienes: Carbony1‐Substituted 1‐(4‐Alkenyl)‐1‐cyclopentenes.
Authors: MATLIN A. R. , GEORGE C. F. , WOLFF S. , AGOSTA W. C.
Published: May 2016

The regiochemistry of intramolecular photochemical reaction is studied in three series of ketones of types (III), (VIII) and (XI).
ChemInform Abstract: Oxygenase Model Reactions. Part 1. Intra‐ and Extradiol Oxygenations of 3,5‐Ditert‐butylcatechol Catalyzed by (Bipyridine)(pyridine)iron(III) Complex.
Authors: FUNABIKI T. , MIZOGUCHI A. , SUGIMOTO T. , TADA S. , TSUJI M. , SAKAMOTO H. , YOSHIDA S.
Published: May 2016

The title compound (I) is oxygenated by (bipyridine)(pyridine)iron(III) complex with insertion of molecular oxygen to give intra‐ and extradiol oxygenation products.
ChemInform Abstract: l,1,3,3‐Tetramethylguanidinium Dichromate. A New Mild Reagent for the Oxidation of Alcohols.
Authors: KIM S. , LHIM D. C. , LEE P. H.
Published: May 2016

The title reagent (II) oxidizes in the presence of pyridinium tosylate (PPTS, equimolar amounts of the reactants) the benzylic alcohols (IIIa) within 4h cleanly to the aldehydes (IVa), the secondary alcohols (IIIb) to the ketones (IVb) (8‐ 12h), and the cycloalkanols (IIIc) to the cycloalkanones (IVc) (16h).
ChemInform Abstract: Catalytic Oxidation of Dithiols by a Semisynthetic Enzyme.
Authors: STEWART K. D. , RADZIEJEWSKI C. , KAISER E. T.
Published: May 2016

The flavopapains (III) are semisynthetic enzymes obtained from the alkylation of Cys‐25 of papain (II) with the isomeric isoalloxazines (I).
ChemInform Abstract: A Novel Method for the Geminal Dialkylation of the Carbonyl Group of Aromatic Aldehydes and Ketones.
Authors: CLAREMBEAU M. , KRIEF A.
Published: May 2016

In den beiden Arbeiten wird die Mono‐ und Dialkylierung von Aryloxyverbindungen wie (I) bzw. entsprechenden Seleniden und Selenoa‐cetalen untersucht und beschrieben.
ChemInform Abstract: Reductive Metallation. A General Preparative Method for Hydrocarbon Allylmetallic Compounds.
Authors: COHEN T. , GUO B.‐S.
Published: May 2016

The reductive lithiation of allyl phenyl sulfides (III), (IX) and (XIV) [prepared from (I), (VI) and (XII), resp.] using radical anions (LN or, preferably, LDMAN) generates the corresponding allylic anions, whose reaction with ke‐ 75 tone (IV) and aldehyde (X) is studied.
ChemInform Abstract: The Stereochemically Controlled Horner‐Wittig Route to Unsaturated Acids: The Baeyer‐Villiger Rearrangement of α‐(1‐Ph2PO‐alkyl)‐cyclohexanones.
Authors: LEVIN D. , WARREN S.
Published: May 2016

Diphenylethyl‐phosphinoxid (I) reagiert nach Metallierung in α‐Stellung mit Cyclopenten‐ (IIa) bzw. Cyclohexenoxid (IIb) zu den Addukten (III) und (IV) unter Bevorzugung von (III).
ChemInform Abstract: New Routes to cis‐1,2‐Hydroxyamines and Related Systems.
Authors: SAMMES P. G. , THETFORD D.
Published: May 2016

3‐Cyclohexenol (I) wird in das Benzoylamino‐brom‐cyclohexylbenzoat (III) übergeführt, aus dem das Aminocyclohexanol (IV) oder das Aminocyclohexandiolacetat (VII) erhalten werden können.
ChemInform Abstract: Stereospecific Triple Michael Addition.
Authors: THANUPRAN C. , THEBTARANONTH C. , THEBTARANONTH Y.
Published: May 2016

Der Acrylester (I) und das Methylencyclopentenon (II) reagieren mit den Nucleophilen (III) zu den Norbornanon‐Derivaten (IV).
ChemInform Abstract: A Novel Access to Dendralene Systems.
Authors: LOERZER T. , GERKE R. , LUETTKE W. +
Published: May 2016

The synthesis of the title compounds (VI)‐(VIII) starting from diketone (Ia) is described.
ChemInform Abstract: An Efficient Synthesis of Chiral 2‐(p‐Tolylsulfinyl)‐2‐butenolides.
Authors: HOLTON R. A. , KIM H.‐B.
Published: May 2016

Aus dem Sulfinyl‐phosphonsäureester (I) erhält man nach Metallierung mit den Carbonylverbindungen (II) die Olefine (III), die mit LDA über die Lithium‐Salze (IV) zu den Lactonen (V) carboxyliert und cyclisiert werden.
ChemInform Abstract: An Enantioselective Synthesis of (‐)‐6‐Aza‐6‐carbethoxy‐2‐oxabicyclo‐[3.3.0]octan‐3‐one from S‐(‐)‐Malic Acid.
Authors: SHISHIDO K. , SUKEGAWA Y. , FUKUMOTO K. , KAMETANI T.
Published: May 2016

Ausgehend von S‐Äpfelsäure (I) läßt sich in einer vielstufigen Synthese der Carbamatester (II) herstellen, dessen intramolekulare Michael‐Addition zum Pyrrolidindiester (III) führt.
ChemInform Abstract: Synthesis of Optically Active 3‐Mercaptopyrrolidine Derivatives.
Authors: SHIBATA T. , IINO K. , SUGIMURA Y.
Published: May 2016

Die N‐geschützten chiralen 3‐Mercaptopyrrolidin‐Derivate (V) und (XIII) werden gemäß Schema auf verschiedenen Wegen ausgehend von L‐Hydroxyprolin (I), L‐Äpfelsäure (VI), L‐Asparagin (X) sowie L‐Asparaginsäure (XIV) synthetisiert.
ChemInform Abstract: Synthesis of Novel Hexahydroquinolines and Decahydroacridines.
Authors: ABOU‐GHARBIA M.
Published: May 2016

Als potentielle Calcium‐Antagonisten werden die Hexahydrochinoline (IV), (VII) und (IX) sowie die Hexahydroacridine (XI) aus den Aldehyden (I), Cyclohexandion (II) und den β‐Ketosäure‐Derivaten (III), (V), (VI) und (VIII) über eine Hantzsch‐Synthese hergestellt.
ChemInform Abstract: Formation of an Unexpected Product, a Functionalized Dioxane, under Aprotic Acetalization Conditions.
Authors: CHIARELLO J. , CHEN S.‐Y. , JOULLIE M. M.
Published: May 2016

Das aus D‐Galactose zugängliche γ‐Lacton (I) liefert nach Debromierung den Methoxymethylether (II), der zu dem γ‐Ketoester (III) oxidiert wird.
ChemInform Abstract: A Selective Synthesis of 5‐(p‐Aminophenyl)barbituric Acid.
Authors: BRIGHT F. V. , BUNCE R. A. , MCGOWN L. B.
Published: May 2016

Phenylethylbarbitursäure (I) reagiert mit Nitroniumtetrafluoroborat (II) zu p‐Nitrophenyl‐ethyl‐barbitursäure (III), die zur Aminoverbindung (IV) hydriert werden kann.
ChemInform Abstract: Interlocked Macrocyclic Ligands: A Catenand Whose Rotation of One Ring into the Other is Precluded by Bulky Substituents.
Authors: DIETRICH‐BUCHECKER C. O. , SAUVAGE J. P. , WEISS J.
Published: May 2016

Das aus 4,7‐Diphenyl‐l,10‐phenanthrolin (I) und überschüssigem Lithioanisol (II) erhaltene Kondensationsprodukt (IIIa) wird zum freien Bis‐ phenol (IIIb) gespalten, das mit den Diiodid (IV) zum Makrocyclus (V) kondensiert wird.
ChemInform Abstract: On the Origin of the Configurational Instability of (l‐Silyl‐1‐alkenyl)lithiums and Related Alkenylmetals.
Authors: NEGISHI E. , TAKAHASHI T.
Published: May 2016

The origin of the remarkably facile configurational isomerization of 1‐silyl‐1‐metalloalkenes is investigated by using (III) as a representative example.
ChemInform Abstract: Carbonylation of Titanocene Cyclobutenes. Synthesis and Characterization of a Titanocene ‐ Vinylketene Complex.
Authors: MEINHART J. D. , SANTARSIERO B. D. , GRUBBS R. H.
Published: May 2016

Carbonylation of the titanocene cyclobutene complexes (I) in the presence of PMe3 yields the corresponding titanocene ‐vinylketene complexes (II) as trimethylphosphine adducts.
ChemInform Abstract: Reactions of Phosphine‐Nitrile Ligands: the Formation of Phosphine‐Amine and Phosphine‐Imidate Complexes of Tungsten Carbonyl from 3‐(Diphenylphosphino)propionitrile and 3‐(Diphenylphosphino)2‐methylpropionitrile.
Authors: AKHAVAN S. , KIM C.‐S. , STORHOFF B. N.
Published: May 2016

Reactions of W(CO)6 (I) and the phosphine‐nitrile ligands (II) (1 :l molar ratio) with an excess of NaBH4 in refluxing ethanol or propanol in limited reaction times provide mixtures of the phosphine‐imidate (III) and phosphine‐amine Complexes (IV).
ChemInform Abstract: Structure and Properties of HFe3(CO)9BH3R and the Conjugate Bases [HFe3(CO)9BH2R]‐ (R: H and CH3).
Authors: VITES J. , HOUSECROFT C. E. , EIGENBROT C. , BUHL M. L. , LONG G. J. , FEHLNER T. P.
Published: May 2016

The ferraboranes (III), prepared as shown, and their anionic conjugate Brønsted bases (IV), prepared by deprotonation of (III) in methanol, are fully characterized and compared with the hydrocarbyls (V).
ChemInform Abstract: Photochemical Reactions of (n5‐Pentamethylcyclopentadienyl)dicarbonyliron‐Alkyl and ‐Silyl Complexes: Reversible Ethylene Insertion into an Iron‐Silicon Bond and Implications for the Mechanism of Transition‐Metal‐Catalyzed Hydrosilation of Alkenes.
Authors: RANDOLPH C. L. , WRIGHTON M. S.
Published: May 2016

The photochemistry of the complexes (I) is studied.
ChemInform Abstract: Alkylcobalt Carbonyls. Part 7. (η1‐Benzyl)‐, (η3‐Benzyl)‐, and (η1‐Phenylacetyl)cobalt Carbonyls.
Authors: GALAMB V. , PALYI G. , UNGVARY F. , MARKO L. , BOESE R. , SCHMID G.
Published: May 2016

Benzyl halides (I) or phenylacetyl halides (VI) react with Na[Co(CO)4] (II) to yield an equilibrium mixture of (η3‐benzyl)‐ (III), (η1‐benzyl)‐ (IV), and (η1‐phenylacetyl)‐Co carbonyls (V).
ChemInform Abstract: Activation of the M‐CO Bond in Transition Metal Complexes. CO Substitution Reactions in Di‐, Tri‐ and Tetra‐nuclear Metal Carbonyl Compounds Catalyzed by [Fe(CO)2(η5‐C5H5]2.
Authors: AIME S. , BOTTA M. , GOBETTO R. , OSELLA D.
Published: May 2016

The catalytic activity of the title complex in the CO substitution reactions has been explored in various systems involving bi‐, tri, and tetranuclear Compounds.
ChemInform Abstract: Ruthenium(II) Complexes Derived from 2‐(Methylamino)pyridine.
Authors: NONOYAMA M.
Published: May 2016

l :l molar reaction of RuCl2(CO)3 (I) with the title ligand (II) gives the carbamoyl complex (III).
ChemInform Abstract: Synthesis of a Taxane Triene.
Authors: KENDE A. S. , JOHNSON S. , SANFILIPPO P. , HODGES J. C. , JUNGHEIM L. N.
Published: May 2016

Starting from the reaction between the acetal (I) and the enolsilane (II), the two separable Z‐esters (III) and (IV) are obtained together with an inseparable mixture of the E‐esters (total yield 261%).
ChemInform Abstract: New Approaches to Enzyme Regulators. Synthesis and Enzymological Activity of Carbocyclic Analogues of D‐Fructofuranose and D‐Fructofuranose 6‐Phosphate.
Authors: WILCOX C. S. , GAUDINO J. J.
Published: May 2016

The analogue (IXc) of D‐fructofuranose 6‐phosphate (X) is an excellent Substrate for phosphofructokinase and 6‐phosphofructo‐2‐kinase.(IXc) inhibits fructose‐2,6‐bisphosphatase with Ki about 500 times higher than that of (X).
ChemInform Abstract: Applications of the Intramolecular Diels‐AldEr Reactions of Heterodienes to the Syntheses of Indole Alkaloids.
Authors: MARTIN S. F. , BENAGE B. , WILLIAMSON S. A. , BROWN S. P.
Published: May 2016

The aldehyde (VII) is synthesized Starting from propargyl alcohol (I) and cyclized to give the lactam (VIII) which in turn serves as key compound for the synthesis of the ester (XI) and the piperidones (XIII) or (XIV).
ChemInform Abstract: A Convergent Approach to Heterocycle Synthesis via Silver Ion Mediated α‐Keto Imidoyl Halide‐Arene Cyclizations.
Authors: WESTLING M. , SMITH R. , LIVINGHOUSE T.
Published: May 2016

Die aus den Isonitrilen (I), (VI), (VII) und (IX) und den Acylhalogeniden (II) zugänglichen Ketoimidoylhalogenide, z.B. (III), cyclisieren in Gegenwart von Silberionen zu den Heterocyclen (IV), (VI), (VIII) bzw. (X).
ChemInform Abstract: One‐Proton Catalysis in the Deacetylation of Acetylcholinesterase.
Authors: KOVACH I. M. , LARSON M. , SCHOWEN R. L.
Published: May 2016

Proton inventories (determination of kinetic parameters in binary mixtures of protium and deuterium oxides) for the action of acetylcholinesterases on phenyl acetate indicate that the overall solvent isotope effects measured for two enzymes (electric‐eel enzyme and erythrocyte enzyme) on k", arises from a single site in the transition state.