bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Addition of Lithium Reagents of N‐Substituted sulfonamides to Schiff Bases.
Authors: MADENOVA M.
Published: May 2016

The sulfonamides (I) are converted to the lithio derivatives (II), which react with the imines (III).
ChemInform Abstract: Study of the Reactivity of (‐)‐(S)‐Menthyl p‐Toluenesulfonate Toward Lithiumacetylides.
Authors: MAIGNAN C. , GUESSOUS A. , ROUESSAC F.
Published: May 2016

The title compound (I) reacts with the lithiumacetylides derived from (II)to give the products (IIIa) and (IIIb) each as optically active isomers.
ChemInform Abstract: Synthesis and Isolation of Aryl Thioaldehyde S‐Oxides.
Authors: BONINI B. F. , MAZZANTI G. , ZANI P. , MACCAGNANI G. , BARBARO G. , BATTAGLIA A. , GIORGIANNI P.
Published: May 2016

Peracid treatment of the thiones (I) provides the S‐oxides (II), which are desilylated to the title compounds (III).
ChemInform Abstract: Polycyclic Hydroxyquinones. Part 23. Regiospecific Addition to 9‐Hydroxy‐ and 9‐Methoxy‐1,4‐anthraquinone.
Authors: FARINA F. , MOLINA M. T. , PAREDES M. C.
Published: May 2016

9‐Hydroxy‐1,4‐anthraquinone (I) reacts with the alcohols (II) in the presence of acid and iron(III) sulfate to produce the 2‐alkoxy derivatives (III).
ChemInform Abstract: Unsaturated Heterocyclic Amines as Potent Time‐Dependent Inhibitors of Dopamine β‐Hydroxylase.
Authors: BARGAR T. M. , BROERSMA R. J. , CREEMER L. C. , MCCARTHY J. R. , HORNSPERGER J.‐M. , PALFREYMAN M. G. , WAGNER J. , JUNG M. J.
Published: May 2016

Es werden verschiedene ungesättigte, heterocyclische Amine (V) dargestellt, deren Inhibitorwirkung mit den biologischen Eigenschaften entsprechender aromatischer Verbindungen, z.B. dem literaturbekannten Amin (IX), verglichen wird.
ChemInform Abstract: Synthesis and Biochemical Evaluation of Analogues of Aminoglutethimide Based on Phenylpyrrolidine‐2,5‐dione.
Authors: DALY M. J. , JONES G. W. , NICHOLLS P. J. , SMITH H. J. , ROWLANDS M. G. , BUNNETT M. A.
Published: May 2016

Das Aminophenylpyrrolidin‐2,5‐dion (V) wird als Strukturanaloges des Aminoglutethimid (VI) ausgehend von der Phenyl‐butan‐ 1,2‐dicarbonsäure (I) hergestellt und auf Inhibierung von Aromatase sowie des CSCC‐ Enzyms (CSCC: Cholesterol side chain cleavage) untersucht.
ChemInform Abstract: Conformationally Defined Adrenergic Agents. Part 2. Catechol Imidazoline Derivatives: Biological Effects at α1 and α2 Adrenergic Receptors.
Authors: DE BERNARDIS J. F. , KYNCL J. J. , BASHA F. Z. , ARENDSEN D. L. , MARTIN Y. C. , WINN M. , KERKMAN D. J.
Published: May 2016

Die durch Umsetzung der Ketone (I) mit Trimethylsilylcyanid (II) und nachfolgende Reduktion erhaltenen Nitrile (III) werden mit Ethylendiamin (IV) in die Imidazoline (V) übergeführt.
ChemInform Abstract: Selective Thromboxane Synthetase Inhibitors. Part 2. 3‐(1H‐Imidazol‐1‐ylmethyl)‐2‐methyl‐1H‐indole‐1‐propanoic Acid and Analogues.
Authors: CROSS P. E. , DICKINSON R. P. , PARRY M. J. , RANDALL M. J.
Published: May 2016

Aus den substituierten Indolen (I) entstehen über die Nitrile (II) die Propionsäure‐Derivate (III), die wie die aus (I) über die entsprechenden Ester zugänglichen Verbindungen (IVb) und (Vb) auf ihre Inhibitor‐ Wirkung gegen Thromboxan‐Synthetase geprüft werden.
ChemInform Abstract: Imidazo[2,1‐b]benzothiazoles. Part 2. New Immunosuppressive Agents.
Authors: MASE T. , ARIMA H. , TOMIOKA K. , YAMADA T. , MURASE K.
Published: May 2016

Ausgehend von den Phenacylbromiden (I) und den Benzothiazolen (II) werden die im Titel genannten Verbindungen (III) entweder auf direktem Wege oder über die Zwischenprodukte (IV) dargestellt.
ChemInform Abstract: Triazolinediones. Conversion to Deaza Dimers by Electron‐Transfer Catalysis.
Authors: BORHANI D. W. , GREENE F. D.
Published: May 2016

Aus den Triazolindionen (I) erhält man in Gegenwart von Ein‐Elektronen‐ Donatoren die Desaza‐Dimeren (II).
ChemInform Abstract: Synthesis and Quantitative Structure‐Activity Relationships of Antiallergic 2‐Hydroxy‐N‐1H‐tetrazol‐S‐ylbenzamides and N‐(2‐Hydroxyphenyl)‐1H‐tetrazole‐5‐carboxamides.
Authors: FORD R. E. , KNOWLES P. , LUNT E. , MARSHALL S. M. , PENROSE A. J. , RAMSDEN C. A. , SUMMERS A. J. H. , WALKER J. L. , WRIGHT D. E.
Published: May 2016

5‐Aminotetrazol (I) wird mit den substituierten Salicylsäuren (II) zu den Amiden (III) umgesetzt.
ChemInform Abstract: Spiroacetals from Dienones and Hydroxyenones by Mercury(II) Cyclisation.
Authors: KITCHING W. , LEWIS J. A. , FLETCHER M. T. , DE VOSS J. J. , DREW R. A. I. , MOORE C. J.
Published: May 2016

The ′ dienone (III), obtained by the Grignard reaction of (I) with formic acid ester (II), is converted into the bis‐(chloromercurymethyl)‐dioxa‐ spiroundecane (IV), which is reduced to (V).
ChemInform Abstract: Synthetic Methodology Useful in the Preparation of Sensitive 1‐Aminothioxanthones.
Authors: MANCINI M. L. , HONEK J. F.
Published: May 2016

2,2′‐Dithiosalicylic acid (I) reacts with 4‐fluoro‐phenol (II) in an acidic medium producing the 1‐fluoro‐4‐hydroxy‐thioxanthone (IIIa).
ChemInform Abstract: Synthesis and Toxicity toward Nigrostriatal Dopamine Neurons of 1‐Methyl‐4‐phenyl‐1,2,3,6‐tetrahydropyridine(MPTP) Analogues.
Authors: FRIES D. S. , DE VRIES J. , HAZELHOFF B. , HORN A. S.
Published: May 2016

Durch Dehydratisierung der Piperidinalkohole (I) und (V) werden (II) und (III) bzw. die im Titel genannte Verbindung (VIa) und das N‐Methyl‐ Derivat (VIb) synthetisiert.
ChemInform Abstract: An Asymmetric Synthesis of Chiral Nifedipine Analogues.
Authors: MEYERS A. I. , OPPENLAENDER T.
Published: May 2016

Starting with the nitrile (II) the chiral pyridine derivative (V) is produced.
ChemInform Abstract: 3,4‐Dihydroisoquinolines. Part 2. 4,5,7,8‐Tetrahydrocyclopenta[4,5]Pyrimido[6,1‐a]isoquinoline: A Novel Ring System via 1‐(3‐Furyl)‐3,4‐dihydroisoquinoline Transformation.
Authors: LOESEL W. + , POOK K.‐H.
Published: May 2016

The amide (I) is cyclized to give the isoquinoline (II).
ChemInform Abstract: Quinazoline Antifolates Inhibiting Thymidylate Synthase: Benzoyl Ring Modifications.
Authors: JONES T. R. , SMITHERS M. J. , TAYLOR M. A. , JACKMAN A. L. , CALVERT A. H. , HARLAND S. J. , HARRAP K. R.
Published: May 2016

Die N‐Propargyl‐benzoylglutaminsäureester (I) werden mit dem Brommethylchinazolin (II) zu den N‐Propargyl‐5,8‐dideazafolsäuren (III) umgesetzt, die auf Inhibierung der L1210‐Thymidylat‐Synthase und der Dihydrofolat‐Synthase sowie auf Inhibierung des Wachstums von L12lO‐Zellen geprüft werden.
ChemInform Abstract: Chiral Aziridination of Alkenes: Oxidation of 3‐Amino‐2‐(1,2,2‐trimethylpropyl)‐quinazolin‐4(3H)‐one in the Presence of Alkenes.
Authors: ATKINSON R. S. , TUGHAN G.
Published: May 2016

Oxidation of the N‐amino quinazolinones (II) by lead tetraacetate in the presence of α‐methylene‐γ‐butyrolactone (I) affords the aziridines (III).
ChemInform Abstract: Novel Reaction of S‐Nitro (or Carbamoyl) Uracil Derivatives with Amines.
Authors: HIROTA K. , KITADE Y. , SAJIKI H. , MAKI Y.
Published: May 2016

The nitrouracil derivatives (I) are converted to different 1‐substituted uracils (III) by more basic or less volatile amines.
ChemInform Abstract: Synthesis and Biological Evaluation of 1‐(1,2‐Benzisothiazol‐3‐yl)‐ and (l,2‐Benzisoxazol‐3‐yl)piperazine Derivatives as Potential Antipsychotic Agents.
Authors: YEVICH J. P. , NEW J. S. , SMITH D. W. , LOBECK W. G. , CATT J. D. , MINIELLI J. L. , EISON M. S. , TAYLOR D. P. , RIBLET L. A. , TEMPLE D. L. JUN.
Published: May 2016

Die nach verschiedenen Methoden dargestellten Heterocyclen (IV) werden mit Piperazin bzw. Homopiperazin (X) zu den Verbindungen (XI) umgesetzt.
ChemInform Abstract: Synthesis of Some Quino[2,3‐b][1,4|benzoxazines.
Authors: ABBASI M. M. , EL‐WASSIMY M. T. , KAMEL M. M. , HASSAN H. N. A.
Published: May 2016

The lepidines (IIIa) (isolated as monohydrochlorides monohydrates), (IIIb) (isolated as dihydrate), and (VI) are synthesized to obtain new tetracyclic heterocycles of the quinobenzoxazine type.
ChemInform Abstract: A Novel Dimerization of Isonitrile by Organosilyllithium.
Authors: ITO Y. , MATSUURA T. , NISHIMURA S. , ISHIKAWA M.
Published: May 2016

The isonitriles (I) react with the silyllithium compound (II) and the silylchlorides (III) to form the dimers (IV); in some cases the Compounds (V) are also obtained.
ChemInform Abstract: Low Coordinated Phosphorus Compounds. Part 46. 2,4‐Diphospha‐1‐butenes.
Authors: APPEL R. , CASSER C. , KNOCH F.
Published: May 2016

Reactions of the organolithium reagents (I) with the P‐chlorophosphaalkene (II) yield the 2,4‐diphospha‐1‐butenes (III).
ChemInform Abstract: (1‐Amino‐2‐propenyl)phosphonic Acid, an Inhibitor of Alanine Racemase and D‐Alanine: D‐Alanine Ligase.
Authors: VO‐QUANG YEN VO‐QUANG YEN , CARNIATO D. , VO‐QUANG L. , LACOSTE A.‐M. , NEUZIL E. , LE GOFFIC F.
Published: May 2016

Das Phenylthiopropanal (I) wird nach dem angegebenen Verfahren in die Aminopropenylphosphonsäure (VI) übergeführt, die einen wirkungsvollen Inhibitor der Alaninracemasen aus P. aeruginosa und S. faecalis darstellt.
ChemInform Abstract: Chemistry of Phosphorus. Part 166. NaP21R2 (R: Me, Et, iPr) and NaP21(SiMe3)2 ‐ the First Partially Metalated Henicosaphosphanes(3).
Authors: BAUDLER M. , BECHER R. , GERMESHAUSEN J.
Published: May 2016

The partially metalated title Compounds (I) are obtained as the final products in the alkylation or silylation of trisodium henicosaphosphide with an excess of alkyl bromides or Me3SiCl in THF at low temperature.
ChemInform Abstract: Synthesis of Oppositely‐Polarized Difunctional 1,4‐Diphosphacyclohexanes.
Authors: HACKNEY M. L. J. , NORMAN A. D.
Published: May 2016

The radical‐initiated addition of trimethylsilylphosphine (II) to (I) results in the formation of the 1,4‐diphosphacyclohexane (III), which gives the cleavage products (V) and (VI).
ChemInform Abstract: Factors Affecting Al ‐ C Bond Reactivity of Tetradentate Schiff‐Base Organoaluminum Complexes.
Authors: DZUGAN S. J. , GOEDKEN V. L.
Published: May 2016

The reaction of Al2Et6 with some tetradentate Schiff bases in C6H6 /MeCN solution yields ethane and the monoethylaluminum complexes (I) or (II), respectively (no yields given).
ChemInform Abstract: Novel Hydrocarbyl and Hydride Compounds of Bis‐pentamethylcyclopentadienylcerium(III).
Authors: RENKEMA J. , TEUBEN J. H.
Published: May 2016

The Ce complex (I), accessible from pentamethylcyclopentadienyllithium and CeCl3 in THF, reacts with (II) to form the novel title compound (III).
ChemInform Abstract: Synthesis of Germathiiranes.
Authors: ANDO W. , TSUMURAYA T.
Published: May 2016

The pyrolysis of the 7‐germanorbornadiene (I) yields the diphenylgermylene (II), which is converted to the adduct (IV) by adamantanethione (III).
ChemInform Abstract: Characterization of the Binding, Kinetics, and Redox Stability of Vanadium(IV) and Vanadium(V) Protein Complexes in Serum.
Authors: CHASTEEN N. D. , GRADY J. K. , HOLLOWAY C. E.
Published: May 2016

The redox kinetics and complexation of V(IV) and V(V) with albumin and transferrin in freshly drawn serum and buffer solution were studied.
ChemInform Abstract: Copper Catalysed O‐Phenylation of Phenols and Enols by Pentavalent Organobismuth Compounds.
Authors: BARTON D. H. R. , FINET J.‐P. , KHAMSI J. , PICHON C.
Published: May 2016

Triphenyl bismuth Compounds react with the phenol (IIa) in the presence of Cu‐derivatives yielding the O‐phenyl ether (IIb).
ChemInform Abstract: Solution Structure of [Cr(III)(L)(O‐O)]n Complexes (L: Nitriloacetate, N,N‐β‐Alaninediacetate; O‐O: Malonate, Oxalate, Acetylacetonate, 2 H2O) and Characterization of ([Cr(nta)(OH)]2)2‐ by Deuteron NMR Spectroscopy.
Authors: KOINE N. , BIANCHINI R. J. , LEGG J. I.
Published: May 2016

The title Complexes (I) and the sym. and unsym. isomeric Complexes (II) are synthesized, chromatographically purified and isolated, and characterized by deuteron NMR, IR, and electronic absorption Spectroscopy.
ChemInform Abstract: Deprotonation of [HMo(CO)2(P‐P)2]BF4 Complexes: Hard Anions as Proton Carriers.
Authors: DARENSBOURG M. Y. , LUDVIG M. M.
Published: May 2016

Kinetic studies of the deprotonation of the metalloacids (I) by amine bases (Py, NEt3, 1,5‐diazabicyclo[5.4.0]undec‐5‐en) are reported.
ChemInform Abstract: Generation and Reactions of Chiral, Pyramidal, Transition‐Metal Lewis Acids of the Formula [(η5‐C5H5)Re(NO)(PPh3)]+ X‐ .
Authors: FERNANDEZ J. M. , GLADYSZ J. A.
Published: May 2016

The BF4)‐ and PF4)‐ salts (II) of a coordinatively unsaturated cation have been prepared.
ChemInform Abstract: Dinuclear Fe, Ru, and Co Complexes with C‐ and S‐Bonded Bridging C(SR)2 Carbene Ligands.
Authors: MATACHEK J. R. , ANGELICI R. J.
Published: May 2016

The carbenes (I), obtained by treatment of the corresponding dicarbonyl Compounds with MeCN under UV irradiation, reacted with (II) or (III) to yield the Complexes (IV); IR and 13C NMR studies indicate the unusual bridging C(SR)2 ligand.
ChemInform Abstract: Synthesis and Stereochemical Studies on Some Transition Metal Complexes of Tetrakis(imidazolyl)borate Anion.
Authors: ZAIDI S. A. A. , KHAN T. A. , SHAHEER S. A. , ZAIDI S. R. A. , SIDDIQI Z. A.
Published: May 2016

1:2 or 1:3 molar reactions of corresponding metal chlorides with potassium tetrakis(imidazolyl)borate (II), prepared as shown, lead to the tetrakis(imidazolyl)borato complexes (III).
ChemInform Abstract: Oxygen Atom Transfer in the Oxidation of Triphenylphosphine by Molecular Oxygen Catalyzed by an Ru(III)‐ EDTA ‐ PPh3 Complex.
Authors: KHAN M. M. T. , SIDDIQUI M. R. H. , HUSSAIN A. , MOIZ M. A.
Published: May 2016

The oxidation of PPh3 to O = PPh3 in the presence of a Ru(III) ‐ EDTA complex, and molecular oxygen in dioxane/water proceeds through the formation of the intermediate complexes (I), (II) and the dimeric p‐peroxo compound (III).
ChemInform Abstract: Oxide‐Dependent Deposition and H2‐Promoted Aggregation of Organorhodium Complexes.
Authors: MCNULTY G. S. , CANNON K. , SCHWARTZ J.
Published: May 2016

Silica and alumina are used for chemical attachment to reactive organometallic complexes.
ChemInform Abstract: Reductive Elimination from (2,2′‐Bipyridine)diethylpalladium(II), a Mechanistic Study.
Authors: SUSTMANN R. , LAU J.
Published: May 2016

The title complex (IV) is synthesized as shown in the scheme.
ChemInform Abstract: N,N‐Dimethylacetamide Adducts of Mixed Iodo ‐ Ammine Complexes of Platinum(II) and Platinum(IV).
Authors: RAUDASCHL‐SIEBER G. , LIPPERT B. , BRITTEN J. F. , BEAUCHAMP A. L.
Published: May 2016

As a route to purify mixed iodo‐ammine Complexes of Pt, the N,N‐dimethylacetamide ( = DMA) solvates (I)‐(IV) are prepared by treatment of cis‐ or trans‐PtI2(NH3)2 with DMA or DMA and solid I2.
ChemInform Abstract: A New Phase‐Transfer Porphyrin Catalyst for the Olefin Epoxidation.
Authors: TAKAGI S. , MIYAMOTO T. K. , SASAKI Y.
Published: May 2016

A new type of amphiphilic porphyrin is synthesized as the Mn(III) complex (VIb): Condensation of the components (II), (III) and (IV) yields a mixture of porphyrins (Ia)‐(Id) separable by chromatography.
ChemInform Abstract: Prenylation of Isopentenyl Derivatives with 2‐Methyl‐3‐buten‐2‐ol.
Authors: JULIA M. , SCHMITZ C.
Published: May 2016

Treatment of the olefin (I) with (IV) and TFA gives (II) and the main product (III) arising from hydrolysis of the initial TFA adduct.
ChemInform Abstract: Hypochlorite‐Promoted Transformations of Trichothecenes. Verrucarol.
Authors: BURROWS E. P. , SZAFRANIEC L. L.
Published: May 2016

Hypochlorite‐Promoted Transformations of Trichothecenes.
ChemInform Abstract: Synthesis and Evaluation of 4‐(Substituted thio)‐4‐androstene‐3,17‐dione Derivatives as Potential Aromatase Inhibitors.
Authors: ABUL‐HAJJ Y. J.
Published: May 2016

Die durch Umsetzung von 4,5‐Epoxi‐androstendion (I) mit den Thiolen (II) hergestellten 4‐Thio‐androstendione (III) werden auf Inhibierung des Enzyms Estrogensynthetase untersucht.
ChemInform Abstract: Stereospecific Synthesis of 1,1‐Dialkylglycosides.
Authors: NICOLAOU K. C. , HWANG C.‐K. , DUGGAN M. E.
Published: May 2016

The tris(silylethers) (I) are converted into the 1‐allyl glycal (II), which is stereospecifically alkylated to yield the compound (III).
ChemInform Abstract: Formation of C‐Glycosides by Polarity Inversion at the Anomeric Centre.
Authors: HANESSIAN S. , MARTIN M. , DESAI R. C.
Published: May 2016

The glucal tris(silylether) (I) produces the novel 1‐tributyltin derivative (IIb) which is metallated and treated with electrophiles to yield 1‐C‐substituted products (III), (V) and (VII).
ChemInform Abstract: Carbocyclic Analogues of 5′‐Amino‐5′‐deoxy‐ and 3′‐Amino‐3′‐deoxythymidines.
Authors: SHEALY Y. F. , O'DELL C. A. , SHANNON W. M. , ARNETT G.
Published: May 2016

Die nach dem im Schema angegebenen Verfahren hergestellten carbocyclischen Analoga (III) und (V) der im Titel genannten Desoxythymidine werden auf Wirksamkeit gegen das HSV‐1‐Virus geprüft.
ChemInform Abstract: Synthesis, Structure, and Antitumor and Antiviral Activities of a Series of 5‐Halouridine Cyclic 3′,5′‐Monophosphates.
Authors: BERES J. , BENTRUDE W. G. , KALMAN A. , PARKANYI L. , BALZARINI J. , DE CLERCQ E.
Published: May 2016

Die Halogenierung der cyclischen Uridinmonophosphate (I) führt zu dem Einbau des Halogenatoms in die 5‐Position des Uridins.
ChemInform Abstract: Chemical Synthesis of 5′‐Phosphorylated Oligodeoxyribonucleotide on a Polymer Support.
Authors: TANAKA T. , YAMADA Y. , IKEHARA M.
Published: May 2016

N‐Phenyl‐ethanolamine (I) is converted into the O‐trityl derivative (III) which reacts with the thymidine phosphate (VI) in the presence of the sulfochloride (VII) giving the derivatives (VIII) and (IX).
ChemInform Abstract: A Simple and Efficient Preparation of Penicillin V β‐Sulfoxide.
Authors: DAVIS M. , WU W.‐Y.
Published: May 2016

Oxidation of penicillin V (I) in a two‐phase system of CH2Cl2 and aqueous H2O2 gives (II) which crystallizes from CH2Cl2 in high purity.
ChemInform Abstract: Synthesis of 3‐Iodomethyl Cephems by Phase Transfer Catalysis.
Authors: FARINA V.
Published: May 2016

The 3‐chloromethyl‐cephems (I) are converted to the iodomethyl derivatives (II) by treatment with sodium iodide under phase transfer conditions.
ChemInform Abstract: A Formal Synthesis of (±)‐Thienamycin.
Authors: BUYNAK J. D. , MATHEW J. , RAO M. N.
Published: May 2016

Starting from the butynol (I) the silylated allene (III) is synthesized.
ChemInform Abstract: Allylation of Grignard Reagents: Its Application for the Synthesis of (4E,7Z)‐4,7‐Tridecadienyl Acetate, a Sex Pheromone of Potato Tuberworm Moth.
Authors: YADAV J. S. , REDDY P. S.
Published: May 2016

The results of the reaction between the chlorobutene (II) and the Grignard compound (III) depend on the solvents.
ChemInform Abstract: The Role of Some Thiosemicarbazide Derivatives in the Corrosion Inhibition of Aluminium in Hydrochloric Acid.
Authors: FOUDA A. S. , MOUSSA M. N. , TAHA F. I. , ELNEANAA A. I.
Published: May 2016

The inhibition efficiency of five different thiosemi‐carbazides has been studied in 2 M HCl.
ChemInform Abstract: Synthesis, Separation, and NMR Characterisation of the fac‐ and mer‐Isomers of Tris(1‐methyl‐3‐(pyridin‐2‐yl)‐1,2,4‐triazole)ruthenium(II) Hexafluorophosphate.
Authors: HAGE R. , HAASNOOT J. G. , REEDIJK J. , VOS J. G.
Published: May 2016

The 1:4 molar reaction of RuCl3 ‐ xH2O and the ligand in the presence of L‐ascorbic acid in water/ethanol (1:1) refluxed for 6 h yields the title isomers (I) and (II), whose Separation can easily be achieved through crystallisation.
ChemInform Abstract: Collision‐Induced Dissociation of Vanadium Monoxide Ion by rare gases
Authors: ARISTOV N. , ARMENTROUT P. B.
Published: May 2016

has been studied using a guided ion beam tandem mass spectrometer.
ChemInform Abstract: Water Photolysis with Copper(I) Chloride.
Authors: TENNAKONE K. , WICKRAMANAYAKE S.
Published: May 2016

UV irradiation of a deaerated suspension of CuCl in dilute HCl efficiently generates H2 whereby CuCl oxidizes to CuCl2 . In the presence of sensitizers such as SrTiO3, TiO2, or WO3, CuCl2 can be photoreduced to CuCl, producing O2 (see scheme).
ChemInform Abstract: Thermoanalytical Investigation of the Ni(OH)2‐ NaOH System.
Authors: KADAR E. , SORS L. , KULCSAR S. , KANYA E.
Published: May 2016

The Ni(OH)2 ‐ NaOH mixture shows an endothermic DTA peak at 190°C which appears together with a weight loss.
ChemInform Abstract: The Electrochemical Response of Binary Mixtures of Hydrous Transition Metal Hydroxides Co‐Precipitated on Conducting Substrates with Reference to the Oxygen Evolution Reaction.
Authors: CORDOBA S. I. , CARBONIO R. E. , LOPEZ TEIJELO M. , MACAGNO V. A.
Published: May 2016

The colloidal electrodes formed by co‐precipitation of hydrous hydroxides on Pt, C, Au, or Ni can be classified into three groups according to the extent of the interaction between the two hydroxides.
ChemInform Abstract: Photoelectrochemical Reduction of Cu(II) Ions in Illuminated Aqueous Suspensions of ZnO
Authors: DOMENECH J. , PRIETO A.
Published: May 2016

has been studied by polarographic analysis and electrochemical measurements by means of the slurry electrode method.
ChemInform Abstract: The Reaction of NO(A2+Σ) with O2
Authors: MAULDIN R. L. III , RAVISHANKARA A. R.
Published: May 2016

is shown to yield oxygen atoms.
ChemInform Abstract: Surface Acidity of Some Re2O7 ‐containing Metathesis Catalysts. An in situ Fourier Transform IR Study Using Pyridine Adsorption.
Authors: XU X. , MOL J. C. , BOELHOUWER C.
Published: May 2016

The metathesis activity of the catalysts studied (Re2O7/Al2O3 , V2O5 · Re2O7/Al2O3, MoO3 · Re2O7/Al2O3 , WO3 · Re2O7/Al2O3, Re2O7 / SiO2 · Al2O3) increases with increasing Brønsted acidity and is independent of the Lewis acidity of the catalysts.
ChemInform Abstract: Photoreduction and Reoxidation of Platinum Oxide and Palladium Oxide Surfaces.
Authors: FLEISCH T. H. , MAINS G. J.
Published: May 2016

The photoreduction of powdered samples of PtO and PdO (mercury lamp, 253.7 nm, vacuum, 20°C) has been followed by X‐ray photoelectron spectroscopy.
ChemInform Abstract: Demonstration of Heteroaromaticity via d‐Orbital Overlap in a Cyclic Conjugated Sulfone: NMR, Crystallography, and ab initio Calculation.
Authors: FRAENKEL G. , CHOW A. , GALLUCCI J. , RIZVI S. Q. A. , WONG S. C. , FINKELSTEIN H.
Published: May 2016

The extreme sensitivity of electronic energy of Cyclic n‐electron species to the number of n‐electrons associated with the ring is exploited in order to assess the possible existence and magnitude of sulfur n‐system overlap.
ChemInform Abstract: Structure‐NMR Correlations in Halo(ligand)bis(dioximato)cobalt(III) Complexes.
Authors: LOPEZ C. , ALVAREZ S. , SOLANS X. , FONT‐ALTABA M.
Published: May 2016

Addition of the Ndonor ligands to solutions of the appropriate aquo complexes results in the Substitution of the axial H2O group by the organic ligand and formation of the complexes (Ia) and (Ib).
ChemInform Abstract: Anion Selectivities of Triorganyltin Acetates and Halides in Solvent Polymeric Membranes.
Authors: WUTHIER U. , PHAM HUNG‐VIET PHAM HUNG‐VIET , RUSTERHOLZ B. , SIMON W.
Published: May 2016

A series of triorganyltin compounds (I) is studied in view of their anion selectivities (anions: SCN, I, Br, Cl, 0Ac, ClO4 , NO3 , HCO3, SO4, HPO4) exhibited in solvent polymeric membranes of bis(l‐butylpentyl)adipate in PVC.
ChemInform Abstract: Solution Chemistry of Ethane‐1,2‐dithiolate Complexes: Equilibria and Electron‐Transfer Reactions.
Authors: MUKHERJEE R. N. , RAO CH. P. , HOLM R. H.
Published: May 2016

Following prior reports of synthesis and solid‐state structures, the spectral, structural, and equilibrium behavior and the redox properties of ‐ the ethane‐1,2‐dithiolate complexes (I)‐(V) are examined in aprotic solvents.
ChemInform Abstract: Fragmentation of Optically Active (1‐Phenylethyl)‐ and (1‐Naphthylethyl)ureas in Refluxing Alcohols: Easy Preparation of Optically Active Amines of High Optical Purity.
Authors: SCHOENENBERGER B. + , BROSSI A.
Published: May 2016

The racemic drug mecamylamine (I) can be efficiently resolved by reaction with the optically active isocyanate (IVa) followed by refluxing the separated products (IIa) or (IIb) with ethanol [→ (IIIa), (IIIb)].
ChemInform Abstract: Oxidative‐Addition/ Addition Reactions of F‐tert‐Butyl Hypochlorite with Perfluoromono‐ or Perfluorodiiodoalkanes, Pentafluoroiodobenzene, and Hexafluorobenzene.
Authors: CANICH J. A. M. , LERCHEN M. E. , GARD G. L. , SHREEVE J. M.
Published: May 2016

The reactions of the title reagent (I) with the compounds (I), (IV), (VI), (VIII), or (XI) yield the products (III), (V), (VII), (IX) or (XII).
ChemInform Abstract: Cycloaddition Routes to Azaanthraquinone Derivatives. Part 1. Use of Azadienophiles.
Authors: POTTS K. T. , BHATTACHARJEE D. , WALSH E. B.
Published: May 2016

Die Azanaphthochinone (I), deren Herstellung beschrieben wird, reagieren mit den Dienen (II) bzw. (VI) zu den Diels‐Alder‐Addukten (III) bzw. (VIIa), die in die Azaanthrachinone (V) bzw. (VIIIa) übergeführt werden.
ChemInform Abstract: Nitriles in Heterocyclic Synthesis: New Approaches for Synthesis of Pyrazoles, Isoxazoles and Pyrimidines.
Authors: IBRAHIM N. S. , HAFEZ E. A. A. , MOHAREB R. M.
Published: May 2016

Aus dem Hydrazon (II) werden nach den im Schema angeführten Methoden Vertreter wie (V), (X) oder (XV) der im Titel genannten Heterocyclen hergestellt.
ChemInform Abstract: Photochemical Disproportionation of Mn2(CO)10. Nineteen‐Electron Intermediates and Ligand and Intensity Dependence.
Authors: STIEGMAN A. E. , GOLDMAN A. S. , PHILBIN C. E. , TYLER D. R.
Published: May 2016

The photochemical disproportionation of (I) proceeds first to (II) and (III).
ChemInform Abstract: Direct Observation of Acetophenone Enol Formed by Photohydration of Phenylacetylene.
Authors: CHIANG Y. , KRESGE A. J. , CAPPONI M. , WIRZ J.
Published: May 2016

The rapid protonation of the photoexcited acetylene (I) followed by hydration of the vinyl cation formed (II) allows the identification of the transient title species (III) by flash photolysis prior to its rapid ketonization to (IV).
ChemInform Abstract: Applications of the Thermal Ene Reaction of Aldehyde t‐Butyl‐ and Phenylhydrazones.
Authors: BALDWIN J. E. , ADLINGTON R. M. , JAIN A. U. , KOLHE J. N. , PERRY M. W. D.
Published: May 2016

Ene reaction of the hydrazones (I) with (IV) yields the azo compounds (II), ′ affording ketones (III) on tautomerization and hydrolysis.
ChemInform Abstract: Catalytic Hydration of Terminal Alkenes to Primary Alcohols.
Authors: JENSEN C. M. , TROGLER W. C.
Published: May 2016

The direct hydration of terminal olefins such as (I) yields the primary alcohols (II).
ChemInform Abstract: Synthesis and Neuroleptic Activity Evaluation of Some trans‐(2‐Aminomethyl)cyclohexyl Aryl Ketones.
Authors: CAAMANO O. , FERNANDEZ F. , EIRIN A. , URIARTE E. , CALLEJA J. M. , GATO A.
Published: May 2016

The title compounds (V) are synthesized as described and tested for neuroleptic activity.
ChemInform Abstract: Reactions of 1,4‐Bis(bromomagnesio)butane and 1,5‐Bis(bromomagnesio)pentane with Bulky 5‐Isoxazolones.
Authors: CANONNE P. , THIBEAULT D. , FYTAS G.
Published: May 2016

The reaction of the isoxazolones (I) with the Grignard reagent (II) yields cyclopentane derivatives which are isolated as syn/anti mixtures.
ChemInform Abstract: A New Synthesis Route to 1,1,1‐Trihalopolyfluoroalkanes.
Authors: EAPEN K. C. , EISENTRAUT K. J. , RYAN M. T. , TAMBORSKI C.
Published: May 2016

Durch die Reaktion von Aluminiumtrichlorid und ‐bromid mit den Perfluoralkyliodiden (I), ‐bromiden (IV) und ‐diiodiden (VII) sowie von Perfluoralkyletheriodiden wie (X) erhält man die im Formelschema angegebenen Produkte.
ChemInform Abstract: Di‐tert‐butyl Nitroxyl Radical Induced Homolysis of Polyfluorodiacyl Peroxides.
Authors: ZHAO C.‐X. , CHEN G.‐F. , WANG X.‐S. , JIANG X.‐K.
Published: May 2016

In Gegenwart von Di‐tert.‐butylnitroxid (II) (DTBNO) werden aus den Polyfluordiacylperoxiden (I) die tert.‐Butyl‐polyfluoralkylnitroxide (III) gebildet.
ChemInform Abstract: Dissymmetrisation of Glyoxal. Part 1. Synthesis and Reactivity of 1‐Acetoxy‐ 1,2,2‐triethoxy‐ethane.
Authors: STAMBOULI A. , CHASTRETTE F. , AMOUROUX R. , CHASTRETTE M. , MATTIODA G. , BLANC A.
Published: May 2016

The glyoxal‐bis‐acetals (I) react with acetanhydride yielding the mono‐ acetoxy derivatives (II) and ‐ as by‐products ‐ the disubstituted products (III).
ChemInform Abstract: A Convenient Regioselective Synthesis of Mannich Bases.
Authors: ROCHIN C. , BABOT O. , DUNOGUES J. , DUBOUDIN F.
Published: May 2016

The preparation of the Mannich bases (IV) from the silyl enol ethers (II) and the iminium salts (III) at low temperature is described.
ChemInform Abstract: Reactivity of Perfluorinated Sulfonic Acid and Pyrosulfonic Acid Esters RfSO3Rf and RfSO3SO3Rf. Heterolysis of the S‐O Bond.
Authors: OUDRHIRI‐HASSANI M. , BRUNEL D. , GERMAIN A.
Published: May 2016

The decomposition of the perfluoroalkyl perfluoroalkanesulfonates (I) at 190°C and of the perfluoroalkyl perfluoroalkanepyrosulfonates (II) at 45°C in CF3SO3H and C2F5SO3H are studied.
ChemInform Abstract: General Approach to the Synthesis of Polyquinanes. Preparation of trans,trans‐ 4,8‐Diacetoxy‐tetracyclo[9.3.0.01,5.07,11]tetradeca‐6‐one via the Aldol Approach.
Authors: VENKATACHALAM M. , WEHRLI S. , KUBIAK G. , COOK J. M. , WEISS U.
Published: May 2016

The tricyclic diketone (I) is transformed into the acetal (III) or the thioacetal (IX).
ChemInform Abstract: Crystal Structure and Synthesis of a Quadricyclane Derivative.
Authors: MATIJASIC I. , UGOZZOLI F. , BOCELLI G. , VANCIK H. , SUNKO D. E.
Published: May 2016

Photolysis of the hexachloro‐norbornadiene derivative (1) yields the quadricyclane (II); its structure is determined by X‐ray analysis.
ChemInform Abstract: The Thermal Rearrangement of endo‐7‐Methyl‐exo‐7‐vinylbicyclo[3.2.0]hept‐2‐ene.
Authors: FORMAN M. A. , LEBER P. A.
Published: May 2016

Thermal rearrangement of the bicycloheptene derivative (I) yields the olefins (II), (V) and (VI).
ChemInform Abstract: In vitro Activity of 2‐Cycloalkyl‐3‐hydroxy‐1,4‐naphthoquinones Against Theileria, Eimeria and Plasmodia Species.
Authors: HUDSON A. T. , PETHER M. J. , RANDALL A. W. , FRY M. , LATTER V. S. , MCHARDY N.
Published: May 2016

The naphthoquinone derivatives (III) are synthesized as shown in the scheme.
ChemInform Abstract: Synthesis of Indenes from Phenylpropanones Using Alumina Catalyst.
Authors: JAYAMANI M. , PANT N. , ANANTHAN S. , NARAYANAN K. , PILLAI C. N.
Published: May 2016

Indenes of type (V) can be prepared by passing a 2‐propanone such as (I) over alumina at temp. of about 400°C. Of the likely intermediates (II)‐(IV), compounds (II) and (IV) can be identified as constituents of the product mixture.
ChemInform Abstract: 7‐Methoxycyclopenta[a]phenalene.
Authors: SUGHIHARA Y. , FUJITA H. , MURATA I.
Published: May 2016

Phenalene (I) is coupled with dichloroketene (III), generated from trichloro acetylchloride (II), to give the adduct (IV).
ChemInform Abstract: Catalytic Decomposition of Branched α′‐Phenoxy‐α‐diazo Ketones Affording 2,8H‐ Cyclohepta[b]furan‐3‐one and 2H‐Cyclohepta[b]furan‐3a(3aH)methyl‐3‐one.
Authors: PUSINO A. , SABA A. , ROSNATI V.
Published: May 2016

The title reaction converts (I) to mixtures of (II) and (III), the methyl derivatives (IVa)/(IVb) to (V) and (VI), and the analogues (IVc)/(IVd) to the single products (V).
ChemInform Abstract: Some Observations on the Brunner Reaction.
Authors: WOLFF J. , TADDEI M.
Published: May 2016

Oxindoles of type (II) are obtained in improved yields from (I), if the title reaction is modified by using stoichiometric amounts of BuLi.
ChemInform Abstract: Reactions of Organic Anions. Part 132. A Facile Synthesis of 3‐Sulfonyl Substituted Indole Derivatives.
Authors: WOJCIECHOWSKI K. , MAKOSZA M.
Published: May 2016

The nitroarenes (I) which are easily obtained by vicarious nucleophilic Substitution of hydrogen, are reduced with tin in hydrochloric acid to yield the amines (II) which are converted into the imidates (III) with orthoacid esters.
ChemInform Abstract: Phenylureas Derived from Indazole: Research on Anthelminthic Activity and the Effect of Substituents.
Authors: BARBET O. , MINJAT M. , PETAVY A.‐F. , PARIS J.
Published: May 2016

Since the compound (Ia) shows a certain activity against Syphacia obvelata, the analogues (Ib)‐(V) are synthesized according to known literature procedures (yields: 52‐97%).
ChemInform Abstract: Effects of Hetero Atom Substituents in the Decomposition of Pyrazolines: Abnormal Behavior of Methoxy Group Compared with Arylthio or Arylseleno Group.
Authors: HAMAGUCHI M. , FURUSAWA T. , NAGAI T.
Published: May 2016

Die durch Addition der Diazoalkane (II) an den Methoxymethylenmalonester (I) zugänglichen Pyrazoline (IIIa)‐(IIIc) und (IIIe) liefern bei der Thermolyse infolge Wasserstoff‐Wanderung bzw. Migration der Methoxygruppe die Methylenmalonester (IV) bzw. (V).
ChemInform Abstract: New Imidazole Antifungal Agents Derived from Benzo[b]thiophene.
Authors: RAGA M. , PALACIN C. , CASTELLO J. MA. , ORTIZ J. A. , CUBERES MA. R. , MORENO‐MANAS M.
Published: May 2016

The compounds (IIIa) and (VIIa) are synthesized as described in the scheme.
ChemInform Abstract: Imidazol‐4(5)‐carboxylic Acid Amides: Effects on Teaching and Memory.
Authors: PIOTROVSKII L. B. , DUMPIS M. A. , SHABANOV P. D.
Published: May 2016

Imidazol‐4,5‐dicarbonsäuredimethylester (I) reagiert mit Anilin vorzugsweise zu dem Anilid der Monocarbonsäure (II) neben wenig Dicarbonsäuredianilid (III).
ChemInform Abstract: Synthesis of 1,3‐Disubstituted Diazolidines.
Authors: LAMBERT J. B. , HUSELAND D. E. , WANG G.
Published: May 2016

Reduction of the N,N′‐disubstituted oxamides (III) which are easily Qbtained from diethyl oxalate (I), leads to the 1,2‐diaminoethanes (IV) which are cyclized with formaldehyde to yield the imidazolidines (V).
ChemInform Abstract: Protection of Imidazoles as Their β‐Trimethylsilylethoxymethyl (SEM) Derivatives.
Authors: LIPSHUTZ B. H. , VACCARO W. , HUFF B.
Published: May 2016

The N‐substituted imidazoles (III) react with butyl Iithium and the electrophiles (IV) yielding the products (V), which are deblocked to give the disubstituted imidazoles (VI).
ChemInform Abstract: Heterocycles. Part 4. Synthesis of 2,2‐Dimethyl‐2H‐pyrano[2,3‐a]carbazoles.
Authors: SOWMITHRAN D. , PRASAD K. J. R.
Published: May 2016

Die im Titel genannten Verbindungen (V) werden nach der im Formelschema angegebenen Reaktionssequenz aus den 8‐Hydroxycarbazolen (I) und Dimethylacrylsäure (II) hergestellt.
ChemInform Abstract: Synthesis of Parasorbic Acid, the Component of Sorbus aukuparia L.
Authors: SATO T.
Published: May 2016

Die im Titel genannte Verbindung (S)‐(VI) wird ausgehend von Acetessigsäureester (I) auf dem im Schema angegebenen Weg synthetisiert.
ChemInform Abstract: Research on Biologically Interesting Nitro Derivatives. Part 40. Novel Potent Genotoxic Reagents: Nitro Derivatives of Oxophenalene.
Authors: ROYER R. , BUISSON J.‐P. , VLEMINCKX C. , MOENS W.
Published: May 2016

The compounds (IV) (R7780) and (VIII) (R7779) are synthesized starting from the corresponding l‐methoxy naphthalenes.
ChemInform Abstract: Diels‐Alder Reaction of 3‐(2‐Pyridylsulfinybacrylates. The Enhancement of the Reactivity and the Diastereoselectivity by the Introduction of Electron‐Withdrawing Substituents on the Pyridine Ring.
Authors: TAKAYAMA H. , HAYASHI K. , TAKEUCHI Y. , KOIZUMI T.
Published: May 2016

Die Diels‐Alder‐ Reaktion der Pyridylsulfinylacrylate (IV) mit Furan zu den endo‐ (V) und exo‐Addukten (VI) verläuft mit hoher Diastereoselektivität, wenn der Pyridin‐Ring in Position 3 elektronenziehende Reste wie die Trifluormethyl‐ oder Nitro‐Gruppe trägt.
ChemInform Abstract: Synthesis of 1‐Hydroxyphenyl Substituted 6‐Alkoxycarbonyl (and 6‐Carbamoyl)‐2‐pyridone‐4,5‐dicarboxylic Acid Dimethyl Esters.
Authors: KAWAHARA N. , NAKAJIMA T. , ITOH T. , OGURA H.
Published: May 2016

The benzoxazine derivatives (IV), prepared from the o‐aminophenols (I) and dimethyl acetylenedicarboxylate (II) via (III), react with the alcohols (VI) or pyrrolidine (VII) to yield the pyridone derivatives (V) and (VIII) respectively.
ChemInform Abstract: Mild Reductive Cleavage of α‐Aminoethers.
Authors: LEE D. U. , WIEGREBE W.
Published: May 2016

Die quaternären Tetrahydroisochinoline (III) reagieren zu den Phenethylamin‐Derivaten (IV). Fehlen die aktivierenden Methoxygruppen oder ist das N‐Atom in einen zweiten Ring einbezogen wie in (VI), gelingt die Ringöffnungsreaktion nicht.
ChemInform Abstract: Regiospecific Cyclization of 3‐Carbomethoxyindole‐1‐propanoic Acid onto 7‐Position of the Indole Nucleus.
Authors: NAKATSUKA S. , ASANO O. , GOTO T.
Published: May 2016

Die im Titel genannte Carbonsäure (Ic) cyclisiert beim Erwärmen mit Polyphosphorsäure regiospezifisch zu dem Pyrrolochinolinon (IV) und nicht zu dem isomeren Ketoester (III).
ChemInform Abstract: A Masked [π8 + π2] Cycloaddition Reaction Involving the 1,3,4,6‐Tetraazapentalene Ring System.
Authors: PEREIRA D. E. , LEONARD N. J.
Published: May 2016

The tetraazapentalenes (Ia) and (Ib) react with dimethyl acetylenedicarboxylate (II) yielding the adducts (III).
ChemInform Abstract: Novel Synthesis of Pyridopyrimidine Diones.
Authors: FAHMY A. F. , YOUSSEF M. S. K. , HALIM M. S. A. , HASSAN M. A. , SAUER J.
Published: May 2016

Durch Reaktion des N‐Phenylsulfonyloxyimids (II) mit Ammoniak, Hydrazin, Hydroxylamin, Anilinen und Alkoholen werden die im Schema angegebenen Produkte (III)‐(IX) erhalten.
ChemInform Abstract: Regiospecific Alkylation of 9‐Benzyl‐1,3‐dimethyl‐6‐hydroxypyrimido‐[2,1‐f]purine‐ 2,4,8(1H,3H,9H)‐trione.
Authors: SOLOMON D. M. , CONN D. J. , WONG S.‐C. , KAMINSKI J. J.
Published: May 2016

Die Alkylierung der Pyrimidopurine (I) mit den Alkylhalogeniden (II) in Dimethylformamid in Gegenwart oder Abwesenheit von Kronenethern führt regioselektiv zu den C‐alkylierten Verbindungen (III).
ChemInform Abstract: Lactones. Part 10. Synthesis of γ,γ‐Diphenyl‐γ‐butyrolactones Substituted by N‐Heterocycles.
Authors: LEHMANN J. , RASCHE T.
Published: May 2016

1,1‐Diphenyloxiran (I) reagiert mit den Essigsäureestern (II) zu den Butyrolactonen (III).
ChemInform Abstract: Dechlorination of Chloropyrazine N‐Oxides.
Authors: AKITA Y. , INOUE A. , MORI Y. , OHTA A.
Published: May 2016

Die Chlorpyrazin‐N‐oxide (I), (IV) und (VI) werden durch Erhitzen in Dimethylformamid im Wasserstoffstrom in Gegenwart von Palladium‐Katalysatoren und Kaliumacetat zu den Pyrazin‐N‐oxiden (III) bzw. (VIII) dechloriert.
ChemInform Abstract: The Oxidation of Phenothiazines with Fremy Salt.
Authors: UENO Y.
Published: May 2016

Phenothiazin (Ia) wird mit Fremys Salz (II) zu dem Phenothiazinon (III) oxidiert, das Chlorphenothiazin (Ib) und (II) liefern die isomeren Chlorphenothiazinone (IV) und (V).
ChemInform Abstract: Synthesis of 1,3,5‐Triacylperhydro‐1,3,5‐triazines Catalyzed by Ion‐Exchange Resins.
Authors: LADHAR F. , EL GHARBI R. , DELMAS M. , GASET A.
Published: May 2016

The title compounds (III) are prepared from 1,3,5‐trioxane (I) and the nitriles (II) using cation exchange resins for catalysts with careful control of their hydration rate.
ChemInform Abstract: Electron Rich C = N Bonds as Hetero‐Dienophiles towards 3,6‐Bis(trifluoromethyl)‐1,2,4,5‐tetrazin.
Authors: SEITZ G. , MOHR R.
Published: May 2016

Das im Titel genannte Tetrazin (I) reagiert mit den Hydrazonen bzw. Azomethinen (II) in einer Diels‐Alder‐Cycloaddition mit anschließender Stickstoff‐Eliminierung zu den Triazin‐Derivaten (IV) bzw. (VI).
ChemInform Abstract: A New Route to 1‐Acyl‐5‐oxoperhydroazocine Core Using 1,2,3,5,6,7‐Hexahydropyrrolizinium Perchlorates.
Authors: MIYANO S. , MIBU N. , IRIE M. , SUMOTO K.
Published: May 2016

Die Azocine (I) bzw. (V) entstehen bei der Einwirkung von Phenylisocyanat (II) bzw. von den Säurechloriden (IV) auf die Hexahydropyrrolizinium‐perchlorate (III) in wäßrig‐alkalischem Medium.
ChemInform Abstract: Synthesis and 119Sn Mößbauer Spectra of Novel Cationic Tin(II) and Dimethyltin(IV) Compounds.
Authors: MALLELA S. P. , TOMIC S. T. , LEE K. , SAMS J. R. , AUBKE F.
Published: May 2016

The availability of the two SO3F‐ acceptor Compounds (I) by metaloxidation with bis(fluorosulfuryl)peroxide, S2O6F2, in HSO3F is advantageous for a systematic synthetic study to obtain the title Compounds, stabilized by weakly basic acid and superacid anions.
ChemInform Abstract: Organotin Compounds. Part 1. The Synthesis of Some Dibutyltin and Dibenzyltin Azides and Sulfonates.
Authors: OBAFEMI C. A. , OBALEYE J. A. , AKANNI M. S.
Published: May 2016

Die Dialkylzinnazide (II) und (III), die Tosylate (IV) sowie die Triflate (V) und (VI) werden durch Umsetzung der Dialkylzinndichloride (I) mit Natriumazid, Silbertriflat bzw. Natriumtosylat erhalten.
ChemInform Abstract: Oxovanadium Complexes with Substituted Chalcone Oximates.
Authors: AMINABHAVI T. M. , BIRADAR N. S. , ANGADI S. D. , RUDZINSKI W. E.
Published: May 2016

The Chalcone oximes prepared by refluxing the Chalcone, hydroxylamine hydrochloride and Na acetate in EtOH for one hour, react with oxovanadium(IV)chloride to give the title complexes (I) (no yields given).
ChemInform Abstract: Effects of Alcohols on Kinetics of Substitution at cis‐Bis(pyridine)tetracarbonylmolybdenum(0).
Authors: ELIAS H. , MACHOLDT H.‐T. , WANNOWIUS K. J. , BLANDAMER M. J. , BURGESS J. , CLARK B.
Published: May 2016

The kinetics of the reactions shown are investigated for the solvent media toluene/1‐butanol, hexane/2‐propanol, and two microemulsions.
ChemInform Abstract: Facile Cyclization of the Valeronitrile Group Bound to a Nickel Macrocycle.
Authors: BAKAC A. , ESPENSON J. H.
Published: May 2016

The reduction of δ‐bromovaleronitrile (I) in alkaline aqueous solution by the Ni(I) macrocycle [Ni(R,R,S,S‐L)]+ yields the acyclic complex (II).
ChemInform Abstract: Synthesis and Structure of trans‐Bis[[pentacarbonyl(N‐(2‐((diphenylphosphino)amino)ethyl)salicylaldiminato‐P)]molybdenum(0)‐N,O]copper(II): A Novel Trimetallic Complex with a Mixed P‐Donor‐Schiff‐Base Bridging Ligand.
Authors: GRAY G. M. , ZELL A. L. , EINSPAHR H.
Published: May 2016

The title complex (IV) is prepared as shown in the scheme (no yield given).
ChemInform Abstract: Transfer of Perfluoroalkyl Groups Between Metals: Preparation of the Anionic Perfluoroalkyl Metal Complex Ag[CF(CF3)2]2‐.
Authors: BURCH R. R. , CALABRESE J. C.
Published: May 2016

In acetonitrile the reaction of AgF with perfluoropropene leads to the neutral perfluoroalkyl Complex (II) and to the anionic bis(perfluoroisopropyl)Ag isolated as the complexes (III).
ChemInform Abstract: Transition Metal Complexes with Sulfur Ligands. Part 19. Mono‐ and Bis‐alkylation of [Ru(II)L1L2dttd] Complexes Controlled by the Ligands L as well as the Charge of the Resulting Compounds (dttd2‐ = 2,3:8,9‐dibenzo‐1,4,7,10‐tetrathiadecane(‐2), L1=L2=PPh3; L1=L2=PMe3; L1=PPh3, L2=PMe3).
Authors: SELLMANN D. , WAEBER M. , HUTTNER G. , ZSOLNAI L.
Published: May 2016

The substitution lability of the phosphine ligands in (I) or (III) determine whether one or both of the thiolato‐S atoms are alkylated when the Complexes are reacted with alkylhalides (see scheme).
ChemInform Abstract: Nonplanar Amide Groups as Ligands.
Authors: COLLINS T. J. , COOTS R. J. , FURUTANI T. T. , KEECH J. T. , PEAKE G. T. , SANTARSIERO B. D.
Published: May 2016

When the trans‐Os(IV) complexes (I) are treated with a strong π‐acid ligand, CO or tBu‐ NC, a phosphine ligand is replaced and the resulting complexes are the cis‐α diastereomers (II).
ChemInform Abstract: Solvent Control of Oxidation State Distribution and Electronic Delocalization in an Osmium ‐ Ruthenium, Mixed‐Metal Dimer.
Authors: HUPP J. T. , NEYHART G. A. , MEYER T. J.
Published: May 2016

UV/VIS spectra of the mixed oxidation state dimer (IIIB)/(IIIC), the reduced dimer (IIIA), and related monomers, and near IR spectroscopic studies show that variations in solvent can be used to control the oxidation state distribution within the Os ‐ Ru dimer (IIIB)/(IIIC) and, thus, to induce intramolecular electron transfer.
ChemInform Abstract: Total Synthesis of Biliverdins of Biological Interest.
Authors: AWRUCH J. , FRYDMAN B.
Published: May 2016

The dipyrrylmethane (IIIa) is prepared by Condensation of the pyrroles (I) and (II); subsequent hydrogenation gives the acid (IIIb).
ChemInform Abstract: Synthesis of 17β‐Configurated Acrylic Acid Derivatives of 19‐Nor Steroids.
Authors: SCHUBERT G. , SCHOENECKER B. + , WUNDERWALD M. , PONSOLD K.
Published: May 2016

Die Steroidketone (I) werden nach Wittig zu den Vinylethern (III) umgesetzt, deren Hydrolyse die Aldehyde (IV) liefert.
ChemInform Abstract: Studies on Amino Acid Derivatives. Part 6. Reaction of Methoxymethylene Meldrum′s Acid with Amino Acid Derivatives.
Authors: CHIBA T. , SAKAKI J. , KANEKO C.
Published: May 2016

Methoxymethylen‐meldrumsäure (I) wird mit den Aminosäuren (IIa) und deren Ester (IIb) zu den Enaminen (III) kondensiert.
ChemInform Abstract: Synthesis of 1,2,3,4‐Tetra‐O‐acetyl‐5‐deoxy‐5‐C‐[(R)‐ and (S)‐phenylphosphinyl]‐α‐ and ‐β‐D‐ribopyranose.
Authors: SEO K. , YAMASHITA M.
Published: May 2016

Ausgehend von dem Ribofuranosid (I) werden, wie im Formelschema skizziert, die im Titel genannten Phosphinylzucker als chromatographisch trennbares Gemisch der Acetate (V) und (VI) synthetisiert.
ChemInform Abstract: 5‐Thiopyranoses. Part 10. Synthesis of 5‐Thio‐D‐altrose and Some of Its Derivatives.
Authors: AL‐MASOUDI N. A. L. , HUGHES N. A.
Published: May 2016

Das 5‐Thioglucose‐Derivat (I) wird zunächst, wie angegeben, in die Methylglykoside (IIa) übergeführt, die als getrennte Anomere umgesetzt werden.
ChemInform Abstract: 5‐Thiopyranones. Part 9. Synthesis of 5‐Thio‐D‐allose and the Methyl 5‐Thio‐α‐ and ‐β‐D‐allopyranosides.
Authors: AL‐MASOUDI N. A. L. , HUGHES N. A.
Published: May 2016

Ausgehend von der geschützten 5,6‐Anhydro‐idofuranose(I) wird zunächst das Episulfid (II) dargestellt und über die Stufen (IIIa) und (IIIb)in die Schlüsselverbindung (IIIc) übergeführt. Die Struktur dieser Verbindung wird durch Hydrolyse zur 5‐Thio‐D‐glucose (IV) gesichert.
ChemInform Abstract: Synthetic Studies by the Use of Fluorinated Intermediates. Part 2. Synthesis of Glycosyl Cyanides and C‐Allyl Glycosides by the Use of Glycosyl Fluoride Derivatives.
Authors: ARAKI Y. , KOBAYASHI N. , WATANABE K. , ISHIDO Y.
Published: May 2016

Durch Umsetzung des Ribosylfluorids (I) mit Trimethylsilylcyanid werden die Glykosylcyanide (III) als Anomerengemisch erhalten.
ChemInform Abstract: Reaction of 1,2‐O‐Alkylidenehexofuranurono‐6,3‐lactones with Diethylaminosulfur Trifluoride (DAST).
Authors: ALBERT R. , DAX K. , KATZENBEISSER U. , STERK H. , STUETZ A. E. +
Published: May 2016

Die partiell geschützten Lactone (I) und (V) reagieren mit dem im Titel genannten Fluorid (II) unter Bildung der Monofluorverbindungen (III) bzw. (VI) und der Difluoride (IV) bzw. (VII).
ChemInform Abstract: Unusual Rearrangement Reaction of Quebrachamine Derivative Catalyzed by Cyanide Anion.
Authors: YOSHIDA K. , NOMURA S. , NISHIBATA Y. , BAN Y.
Published: May 2016

Bei der Reaktion des aus dem Chlorindolenin (I) gemäß Schema hergestellten Ammoniumsalzes (II) mit Kaliumcyanid entsteht ein chromatographisch trennbares Gemisch aus den erwarteten isomeren Nitrilen (III) und dem Umlagerungsprodukt (IV).
ChemInform Abstract: Synthetic Route to 5‐Substituted Uridines via a New Type of Desulfurizative Stannylation.
Authors: TANAKA H. , HAYAKAWA H. , OBI K. , MIYASAKA T.
Published: May 2016

The phenylthio group in the uridine (I) serves as the protecting group during the lithiation at the C‐5 position; subsequent reactions of the resulting Li species with electrophiles (III) or (IV) yield the derivatives (II).
ChemInform Abstract: Unsaturated Ketonucleosides of Adenine and Hypoxanthine.
Authors: BESSODES M. , LAKAF R. , ANTONAKIS K.
Published: May 2016

Das durch Desaminierung des Adenin‐Derivates (Ia) entstehende Hypoxanthin wird nach Überführung in das Benzoat (II) zu dem ungesättigten Ketonucleosid (III) oxidiert.
ChemInform Abstract: A New Synthesis of (±)‐Dihydrorecifeiolide.
Authors: MILENKOV B. , HESSE M.
Published: May 2016

The synthesis of the title compound(IX) starts from the ester (I) as shown in the scheme.
ChemInform Abstract: Mechanism of the Formation of the Two Epimeric Diamino‐hexose Rings of Neomycin B.
Authors: GODA S. K. , AL‐FEEL W. , AKHTAR M.
Published: May 2016

By using variously tritiated hexoses [(6RS)‐D‐[1‐14C,6‐T]glucosamine,(6RS)‐D‐[6‐14C,6‐T]glucose, D‐[U‐14C,5‐T]glucose, D‐[U‐14C′3,4‐T2]glucose] and Streptomyces fradiae (a neomycin producer), the mechanism and stereochemistry of the formation of various subunits of neomycin B (I) are investigated.