bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: Esters of Branched Aminoacids in the Reaction with N‐(2,3‐Epoxypropyl)pyrrolidone.
Authors: SIDEL'KOVSKAYA F. P. , RASPEVINA N. A. , IGNATENKO A. V. , PONOMARENKO V. A.
Published: May 2016

D‐ und L‐Valin‐ sowie L‐Leucinethylester (I) reagieren mit dem im Titel genannten Reagens (II) zu den monosubstituierten Produkten (III), wobei die Konfiguration vollständig erhalten bleibt.
ChemInform Abstract: 1,3‐Dioxanone Derivatives from β‐Hydroxy‐carboxylic Acids and Pivalaldehyde.
Authors: SEEBACH D. , ZIMMERMANN J.
Published: May 2016

The dioxanone (III) which is obtained from the compounds (I) and (II) gives an enolate (V) which is stable at low temp. in THF solution and can be alkylated diastereoselectively to the compounds (VI) or (VIII) (mixture of 2 diastereomers).
ChemInform Abstract: Oxidation of Pyrimidine Base Derivatives with m‐Chloroperbenzoic Acid.
Authors: HARAYAMA T. , KOTOJI K. , YANADA R. , YONEDA F. , TAGA T. , OSAKI K. , NAGAMATSU T.
Published: May 2016

Die Persäure‐Oxidation der substituierten Pyrimidindione (Ia)‐(Ic) sowie des Thymidins (IIa) und des Uridins (IIb) in Dichlormethan liefert die im Schema angeführten Oxidationsprodukte.
ChemInform Abstract: 1,3,8,10,11,14‐Hexazapentaphene‐2,4,7,9(14H,3H,8H,11H)‐tetraones (Bent Double‐Headed 5‐Deazaflavins) with Strong Oxidizing Power.
Authors: YONEDA F. , KOGA M. , IBUKA T. , YANO Y.
Published: May 2016

Die im Titel genannten Verbindungen (III) werden nach den zwei im Schema angegebenen Methoden aus dem p‐Phenylendiamin (I) und den Uracil‐ Derivaten (II) bzw. (V) hergestellt.
ChemInform Abstract: Pteridines. Part 82. Synthesis and Reactivity of Lumazine‐7‐sulfenic Acids.
Authors: HECKEL A. , PFLEIDERER W.
Published: May 2016

The treatment of the disulfides (IV) which are obtained starting from the hydroxylumazines (I) via the intermediates (II) and (III) with KOH leads to l :l‐mixtures of the spectroscopically indentified mercaptolumazines (III) and sulfenic acids (V).
ChemInform Abstract: Investigations on 1,3‐Thiazines. Part 35. Oxidations of Thiocarbamidates.
Authors: HANEFELD W. , GUENES Z. E. +
Published: May 2016

The reaction between the title compound (I) and the thiocarbamoyl chlorides (II) yields the expected thiocarboxamides (III) along with unexpected by‐products, i.e. the carboxamides (IV).
ChemInform Abstract: Studies on the Reaction of Diethyl Azodicarboxylate with Tris(tert‐butyl)phenylphosphines.
Authors: NAVECH J. , REVEL M.
Published: May 2016

Das Arylphosphin (I) reagiert mit dem Azodicarbonsäurediester (II) über die Zwischenstufen (III) und (IV) zu dem Phosphoran (V), das thermisch zu dem Diazadiphosphetidin (VI) dimerisiert.
ChemInform Abstract: Reactivity Patterns in the Reactions of [Rh(CO)2Cl]2 with Chelating Ketones.
Authors: SUGGS J. W. , WOVKULICH M. J. , WILLIARD P. G. , LEE K. S.
Published: May 2016

Der Dirhodium‐tetracarbony1‐Komplex (I) reagiert mit dem zur Enolbildung befähigten S‐Chinolylbenzylketon (II) in Benzol zum n‐Komplex (III), mit 8‐Chinolylphenylketon (IV) unter Transfer von Sauerstoff und Freisetzung von Kohlendioxid zum 1,3‐Dirhodiometallacyclobutan‐Komplex (V).
ChemInform Abstract: Synthesis of Quinone‐Capped Porphyrins by Porphyrin Self‐Photosensitized Reaction.
Authors: OSUKA A. , FURUTA H. , MARUYAMA K.
Published: May 2016

Die durch eine Chinoneinheit überbrückten Porphyrine (III)‐(V) lassen sich durch Umsetzung des Bis‐phenolporphyrinderivates (I) mit den entsprechenden Chinonen (II) unter photochemischen Bedingungen darstellen.
ChemInform Abstract: Total Synthesis of (‐)‐Coriolin.
Authors: DEMUTH M. , RITTERSKAMP P. , WEIGT E. , SCHAFFNER K.
Published: May 2016

The racemate of the dione (I) is gradually transformed to the tricyclic diol (‐ )‐(XI) as shown in the scheme.
ChemInform Abstract: Regioselective Amination of 5β‐Ketocholanic Acids.
Authors: BELLINI A. M. , QUAGLIO M. P. , GUARNERI M.
Published: May 2016

3‐Keto‐ (I), 3,12‐Diketo‐ (III), 3,7‐Diketo‐ (V) und 3,7,12‐Triketo‐5β‐ cholansäure (VII) lassen sich durch Einwirkung von Ammoniumacetat/Natriumcyanoborhydrid mit hoher Regioselektivität in die entsprechenden 3β‐Monoaminoverbindungen (II), (IV), (VI) und (VIII) überführen, während 7‐Keto‐ (IX), 12‐Keto‐ (X) und 7,12‐Diketo‐5β‐cholansäure (XI) unter den gleichen Reaktionsbedingungen unverändert bleiben.
ChemInform Abstract: Transformed Steroids. Part 140. 17α‐Aza‐D‐homoandrostanes, Properties and Transformations.
Authors: TURUTA A. M. , FADEVA T. M. , CHEREPANOVA E. G. , BOGDANOV V. S.
Published: May 2016

Das früher erhaltene Acetylamino‐azahomoandrosten (I) wird mit Mesitylensulfonylhydroxylamin (II) am Ringstickstoff zum Amidrazon‐Salz (III) aminiert.
ChemInform Abstract: Asymmetric Synthesis of Lysine Derivatives.
Authors: LEVITINA E. S. , GODUNOVA L. F. , KAIGORODOVA L. N. , KARPEISKAYA E. I. , KLABUNOVSKII E. I. , GOGOLADZE D. D.
Published: May 2016

Das aus racemischem Diacetyl‐lysin (I) hergestellte Azlacton (II) wird mit α‐Phenylethylamin (III) in das Amid (IV) übergeführt.
ChemInform Abstract: Influence of Foreign Cations on the Synthesis of Various Non‐Stoichiometric Forms of Manganese Dioxide.
Authors: STROBEL P. , CHARENTON J.‐C.
Published: May 2016

From a systematic examination of "MnOz" syntheses (three aqueous redox routes (S20? , O2, and C12), hydrothermal and molten salt reactions using different cations) the following conclusions are drawn: 1.) Li+ yields very specific reaction products (spinel or rocksalt‐derived ternary oxides); 2.) alkaline media always results in phyllomanganates (IV) ("ö‐MnOz"); 3.) high‐temp.
ChemInform Abstract: Effects of Substituents on the Length of Central C(sp3) ‐ C(sp3) Bond in Anthracene Photodimers and Related Molecules.
Authors: DOUGHERTY D. A. , CHOI C. S. , KAUPP G. , BUDA A. B. , RUDZINSKI J. M. , OSAWA E.
Published: May 2016

The known experimentally determined distances of the long Central C ‐ Cbonds in the butterfly‐shaped compounds (I)‐(III) including dianthronyl (IV) are compared with those from MNDO calculations.
ChemInform Abstract: Reactions of Ketenes. Part 20. Phenylketene Dimethylacetal as Synthon for the Introduction of Functionalized Phenylethyl Units.
Authors: GRAZIANO M. L. , IESCE M. R. , SCARPATI R.
Published: May 2016

Phenylketendimethylacetal (I) reagiert mit den Diazoketonen (II) unter Cu‐Katalyse zu den Dihydrofuranonacetalen (III), die thermisch zu den Z‐Methoxy‐furanen (IV) gespalten werden.
ChemInform Abstract: syn‐5,13‐Dimethyl[2.2]metacyclophane. Synthesis, Spectra and Thermal Stability.
Authors: FUJISE Y. , NAKASATO Y. , ITO S.
Published: May 2016

Aus dem bekannten Trithia‐cyclophan (I) erhält man bei Einwirkung von Butyllithium Gemische der Dithiole (II), die bei der Photolyse mit Trimethylphosphit zu den Verbindungen (III)‐(V) entschwefelt werden.
ChemInform Abstract: Can N‐Acylazetones Ever Be Obtained? The Reaction Between Di‐t‐butoxyethyne and Benzoyl Isocyanate Leading to 2‐Phenyl‐4,5‐di‐t‐butoxy‐1,3‐oxazin‐6‐one.
Authors: PERICAS M. A. , SERRATOSA F. , VALENTI E. , FONT‐ALTABA M. , SOLANS X.
Published: May 2016

The ethyne (I) reacts with the isocyanate (II) to give the oxazinone (V) and the pyridone (VI).
ChemInform Abstract: Pyrrolidine‐2,3‐dione, 1‐Allylpyrrolidine‐2,3‐dione and 1‐Ethoxypyrrolidine‐2,3‐dione.
Authors: SUNDBERG R. J. , PEARCE B. C. , LAURINO J. P.
Published: May 2016

1‐Benzyl‐pyrrolidin‐2,3‐dion (I) wird über die Dimethylacetale (II) und (III) in das debenzylierte Pyrrolidondion (Va) bzw. dessen Oxim (Vb) oder Oximether (Vc) umgewandelt.
ChemInform Abstract: A Novel Synthetic Route to Oxazoles: One‐Pot Synthesis of 2‐Arylthio‐5‐alkoxyoxazoles.
Authors: BOSSIO R. , MARCACCINI S. , PEPINO R.
Published: May 2016

Die Isonitrile (I) reagieren mit den Sulfenylchloriden (II) zu den Isothiocarbamoylchloriden (III), die in Gegenwart von Triethylamin zu den im Titel genannten Verbindungen (IV) cyclisieren.
ChemInform Abstract: Routes to Pyrrolo[2,l‐b]thiazoles. Rotational Isomerism of Pyrrolo[2,l‐b]thiazole‐ 5‐carbaldehydes.
Authors: BRINDLEY J. C. , GILLON D. G. , MEAKINS G. D.
Published: May 2016

The 2,4‐disubstituted pyrrolothiazoles (V) are prepared using some reported procedures Starting from the thiazoles (I) via the intermediates (III) or (IV).
ChemInform Abstract: Preparation and Properties of Methylenebispyridinium Derivatives.
Authors: MUNAVALLI S. , POZIOMEK E. J. , LANDIS W. G.
Published: May 2016

Durch Quaternisierung der Pyridine (I) mit Dibrommethan wird eine Reihe von N,N′‐Methylen‐bis‐pyridinium‐dibromiden (II) hergestellt.
ChemInform Abstract: Synthesis of 4‐Aryl‐5‐thioxo‐4,5‐dihydroindeno[1,2‐b]pyridines.
Authors: LUSIS V. K. , MUTSENIETSE D. KH. , DUBUR G. YA.
Published: May 2016

Die Oxo‐dihydroindenopyridine (I) reagieren beim Erhitzen mit Lawesson‐ Reagens (II) unter Bildung der Thioxo‐Derivate (III).
ChemInform Abstract: Amination of 4‐Nitropyridazine 1‐Oxides by Liquid Ammonia/Potassium Permanganate.
Authors: TONDYS H. , VAN DER PLAS H. C.
Published: May 2016

Die Pyridazin‐N‐oxide (I) addieren Amid‐Ionen bei tiefer Temperatur zu den Dihydroverbindungen (II), die mit Permanganat zu den Aromaten (III) oxidiert werden.
ChemInform Abstract: Reaction of 2‐Alkyl‐4H‐naphth[1,2‐d][1,3]oxazin‐4‐ones with Primary Amines and Schiff Bases.
Authors: PADMAJA J. , REDDY M. S. , RATNAM C. V.
Published: May 2016

The title reactions of (I) with (II) or (III) yield the N‐heterocycles (IV) or (V).
ChemInform Abstract: Antiviral and Antibacterial Activities of 1‐Amino‐3‐(Substituted Benzenesulfonyl)guanidines and 3‐(Substituted Benzenesulfonylamino)‐5,6‐disubstituted‐1,2,4‐triazines.
Authors: YOSHII S. , MIYAMOTO K. , NISHIMURA T.
Published: May 2016

Aus den Guanidin‐Derivaten (I) oder (IV) werden mit den aliphatischen oder aromatischen α‐Diketonen (II) bzw. (V) die Triazine (III) und (VI) hergestellt.
ChemInform Abstract: Redox Chemistry of 1,2,4,6‐Thiatriazinyls: Preparation and Crystal Structures of 3,5‐Diphenyl‐1,2,4,6‐thiatriazinium Hexafluorophosphate, (Ph2C2N3S)+(PF6)‐, and 3,5‐Diphenyl‐4‐hydro‐1,2,4,6‐thiatriazine, (Ph2C2N3SH).
Authors: BOERE R. T. , CORDES A. W. , HAYES P. J. , OAKLEY R. T. , REED R. W. , PENNINGTON W. T.
Published: May 2016

The oxidation of the cofacial dimer (I), which is in equilibrium with its remarkably stable radical (II), with nitrosonium salts yields the corresponding salts (III).
ChemInform Abstract: Total Synthesis of 4,5,7a,8‐Tetrahydro‐1,2‐dimethoxyphenanthro‐[10,1‐bc]azepin‐ 6(7H)‐one: A Photochemical Approach
Authors: JENSEN B. L. , CHOCKALINGAM K.
Published: May 2016

Das Phenylessigsäurechlorid (I) liefert mit Ethylen in Gegenwart von Aluminiumchlorid das 2‐Tetralon (II), das mit Pyrrolidin (III) und Z‐Iod‐benzylbromid (IV) über das Iminium‐Salz (Va) zu dem Keton (Vb) umgesetzt werden kann.
ChemInform Abstract: Reaction of Ketenes with N,N‐Disubstituted α‐Aminomethyleneketones.
Authors: MENOZZI G. , MOSTI L. , SCHENONE P.
Published: May 2016

Aus dem Hydroxymethylen‐dihydrobenzothiepin (I) werden nach einer bekannten Methode die Aminomethylen‐Derivate (II) hergestellt und diese mit Dichlorketen (III) in die Tricyclen (IV) übergeführt.
ChemInform Abstract: Reactivity of Cyclothiaphosphazenes Towards Alkyl‐lithium Reagents.
Authors: WINTER H. , VAN DE GRAMPEL J. C.
Published: May 2016

Reactivity of Cyclothiaphosphazenes Towards Alkyl‐lithium Reagents.
ChemInform Abstract: Transmetalation of Tetranuclear Copper Complexes. Part 8. Transmetalation of Tetranuclear Copper‐(I) Complexes with a Co(NS)3 Reagent.
Authors: DAVIES G. , EL‐SAYED M. A. , EL‐TOUKHY A. , HENARY M. , GILBERT T. R.
Published: May 2016

Stoichiometric transmetalation of the tetranuclear Cu(I) complexes (III) by the Co(III) complex (II) in aprotic solvents under N2 preceded by electron transfer from Cu(I) to Co(III) and gave Co(II)‐containing products.
ChemInform Abstract: Reactions of Halogenohydridobis(triethylphosphine)platinum(II) with Trihalogenophosphines: Some Unusual Complexes of Pt(II) Containing Five‐coordinated Phosphorus.
Authors: ALLEN C. W. , EBSWORTH E. A. V. , HENDERSON S. G. , RANKIN D. W. H. , ROBERTSON H. E. , TURNER B. , WHITELOCK J. D.
Published: May 2016

The reactions between PCl3 or PBr3 and PtXH(PEt3)2 (X: Cl, Br, I) are investigated by means of 31P NMR spectroscopy.
ChemInform Abstract: Macrocyclic Pyrrolizidine Alkaloid Analogues. Synthesis and Stereochemistry of (12R,14S)‐ and (12S,14R)‐12,14‐Dimethyl‐1,2‐didehydrocrotalanine.
Authors: BROWN K. , BURTON M. , ROBINS D. J. , SIM G. A.
Published: May 2016

The addition of meso‐2,4‐dimethylglutaric anhydride (II) to (+)‐retronecine (I) in dry DME affords a mixture of the 9‐mono‐ esters of (I).
ChemInform Abstract: Structure and Reactivity of Thiophosphoranyl Radicals. A Quantum Chemical Study.
Authors: GONBEAU D. , GUIMON M.‐F. , OLLIVIER J. , PFISTER‐GUILLOUZO G.
Published: May 2016

By calculation of various optimized geometries for the (PH3SH)‐ radical using the unrestricted Hartree‐Fock method the (PH3SH‐e)‐ form resembling a trigonal‐bipyramidal structure with missing equatorial substituent is shown to be the preferential structure.
ChemInform Abstract: Study of CeP5O14:Mn Crystal.
Authors: HONG G.‐Y. , LI Y.‐M. , YUE S.‐Y.
Published: May 2016

Aseries of Mn‐doped CeP5O,4 crystals have been grown from a MnCO3/H3PO4 solution and CeO2 by the evaporation solution method.
ChemInform Abstract: An Unusual Hydrogen Bond Between Oxygen Atoms: Preparation and Characterization of (N(n‐Bu)4)+ (H(OTeF5)2)‐.
Authors: STRAUSS S. H. , ABNEY K. D. , ANDERSON O. P.
Published: May 2016

Large, colorless crystals of the title compound (VI) have been prepared from (III) and (V) as shown in the scheme.
ChemInform Abstract: Radical Ion Salts of 2,3‐Dichloro‐5,6‐dicyanobenzoquinone and Metallocenes.
Authors: MILLER J. S. , KRUSIC P. J. , DIXON D. A. , REIFF W. M. , ZHANG J. H. , ANDERSON E. C. , EPSTEIN A. J.
Published: May 2016

On the basis of electronic, IR, and Mößbauer spectroscopy and ESR data it is established that the anion of the salts (II)‐(IV) formed from (I) and cobaltocenes, decamethylferrocene, [NEt4] I or LiI is not the benzohydroquinone anion, as previously postulated, but rather a radical anion.
ChemInform Abstract: Heats of Reaction Between the Branched Hexaamine N,N,N′,N′‐Tetrakis(3‐aminopropyl) Ethylenediamine (TAPEN) and Hydrogen, Ni(II), Cu(II), Zn(II) Ions.
Authors: MICHELONI M. , PAOLETTI P. , BIANCHI A. , GARCIA‐ESPANA E.
Published: May 2016

The enthalpies of the title reaction have been determined at 25°C by continuous titration calorimetry and‐batch microcalorimetry.
ChemInform Abstract: Conjugate Additions to α,β‐Unsaturated Carbonyl Compounds in Aqueous Media.
Authors: PETRIER C. , DUPUY C. , LUCHE J. L.
Published: May 2016

Aus dem ogß‐ungesättigten Aldehyd (I) erhält man mit den Alkylhalogeniden (II) in Gegenwart von Zink/ Kupfer die Addukte (III).
ChemInform Abstract: Photochemical Decarbonylation of 2,2,4,4‐Tetramethyl‐6‐oxabicyclo[3.1.0]hexan‐3‐one: An Entry into the Diradical Manifold of the Novel 3‐Oxa‐di‐π‐methane Rearrangement.
Authors: ADAM W. , BERKESSEL A. , KRIMM S.
Published: May 2016

The hitherto unknown title compound (III) affords on irradiation the product (IV) of the novel 3‐oxa‐di‐π‐methane rearrangement which is accompanied by the products (V) and (VII)‐(IX) and the decarboxylation product (VI) (quantum yield of consumption of (III): 0.29).
ChemInform Abstract: Additions of Singlet Oxygen to Alkoxy‐Substituted Butadienes. An Unexpectedly Large s‐cis/s‐trans Ratio in an (E,Z)‐Diene or a Kinetic Anomeric Effect?
Authors: CLENNAN E. L. , L'ESPERANCE R. P. , LEWIS K. K.
Published: May 2016

Die Additionsreaktionen von Singulett‐Sauerstoff an Alkoxy‐substituierte Butadiene werden ausführlich untersucht.
ChemInform Abstract: Action of Acetyl Chloride and Acetic Anhydride on the Lithium Nitronate Derived from 2‐Phenyl‐nitroethane.
Authors: CHEREST M. , LUSINCHI X.
Published: May 2016

The lithium nitronate salt derived from 2‐phenyl nitroethane reacts with acetic anhydride and acetyl Chloride to give an intermediate nitrile oxide.
ChemInform Abstract: Oxidation of Aromatic Amines with Chromyl Chloride. Part 2. Studies on the Intermediate Solid Adducts.
Authors: NALLAIAH C. , STRICKSON J. A.
Published: May 2016

Elemental analysis, IR and magnetic measurements are employed to characterise the intermediates of the title reaction (its application is described in the preceding paper).
ChemInform Abstract: Effect of Metal Loading and Triphenylphosphine on Product Selectivities in the Hydrogenation of Di‐tert‐butylacetylene and 3‐Hexyne over Palladium/Alumina.
Authors: SIEGEL S. , HAWKINS J. A.
Published: May 2016

Es wird die Hydrierung der beiden Alkine (I) und (II) über Pd‐Aluminiumoxid untersucht.
ChemInform Abstract: Synthesis of Medium and Large Rings. Part 17. The Addition of Dibromocarbene to [6]Paracyclophane‐8,9‐dicarbonacid Diethyl Esters.
Authors: KOENIGSTEIN V. + , TOCHTERMANN W.
Published: May 2016

Aus dem Paracyclophan (I) erhält man mit Dibromcarben überwiegend das Ringerweiterungsprodukt (II) neben Spuren des Bis‐adduktes (III).
ChemInform Abstract: Lewis Acid Catalyzed Substitution of Allylic Nitro Compounds with Cyanotrimethylsilane.
Authors: MIYAKE H. , YAMAMURA K.
Published: May 2016

Aus den Allylnitroverbindungen (I) erhält man mit Trimethylsilylcyanid (II) in Gegenwart von Zinn‐ oder Titan‐tetrachlorid die Nitrile (III) und (IV).
ChemInform Abstract: Intramolecular Oxygen Atom Transfer from a Carbonyl Oxide Moiety to a Methoxyvinyl Group.
Authors: NAKAMURA N. , NOJIMA M. , KUSABAYASHI S.
Published: May 2016

The reaction of the diene (I) with 2 equiv. of ozone leads to the quantitative formation of the keto ester (II) with concomitant elimination of methyl formate.
ChemInform Abstract: Stereoselective Synthesis of cis or trans N‐Phenyl 2‐Phenyl Decahydroquinolin‐ 4‐ones by Catalyzed Hetero‐Diels‐Alder Reaction.
Authors: VEYRAT C. , WARTSKI L. , SEYDEN‐PENNE J.
Published: May 2016

Bei der Diels‐Alder‐Reaktion zwischen dem Silylenolether (I) und dem Imin (II) werden die cis‐verknüpften Addukte (III) und (IV) neben Spuren von (V) gebildet.
ChemInform Abstract: Chemistry of Organosilicon Compounds. Part 216. Sterically Crowded Silanes.
Authors: NAKADAIRA Y. , OHARU K. , SAKURAI H.
Published: May 2016

Die Herstellung der Fluorosilane (III), (V) und (VI) wird beschrieben und der Einfluß der Substituenten auf die Alkoholyse von (VI) zu den Produkten (VII)‐(X) untersucht.
ChemInform Abstract: Spin States in Iron(III) Phthalocyanines Studied by Mößbauer, Magnetic Susceptibility, and ESR Measurements.
Authors: KENNEDY B. J. , MURRAY K. S. , ZWACK P. R. , HOMBORG H. , KALZ W.
Published: May 2016

The ground states and electronic structure of the complexes (I)‐(III) were studied using the title methods.
ChemInform Abstract: Reaction of Nitrosoarenes with Trinuclear Metal Carbonyl Clusters of Iron, Ruthenium, and Osmium.
Authors: SMIEJA J. A. , GLADFELTER W. L.
Published: May 2016

The reaction of the nitrosoarenes (II) with Ru3(CO)12 yields the known complexes (III) and (IV) with much improved yields, depending on the reaction conditions.
ChemInform Abstract: Quinazolinecarboxylic Acids. Part 15. 3,4‐Dihydro‐4‐oxo‐(quinazoline or l,2,3‐benzotriazine)‐3‐methyl‐cyclohexanecarboxylic Acids.
Authors: SUESSE M. + , JOHNE S.
Published: May 2016

The acids (III) which are obtained from the reaction of the benzoxazinediones (I) with the cyclohexanecarboxylic acid (II) in the presence of EtgN react in situ with HNOZ to afford the benzotriazines (IV).
ChemInform Abstract: Base Induced Skeletal Rearrangements via Spirocyclic ipso Intermediates in Dibenzodithiocinium Salts.
Authors: OHKATA K. , OKADA K. , MARUYAMA K. , AKIBA K.
Published: May 2016

The reaction of the tricyclic sulfonium salts (I) with methanolic potassium hydroxide is reported.
ChemInform Abstract: Researches on Chemically Modified Electrodes. Part 15. Preparation and Electrochromism of the Vanadium Hexacyanoferrate Film Modified Electrode.
Authors: DONG S. , LI F.
Published: May 2016

An electrochromic film of Vanadium hexacyanoferrate (VH F) is deposited on a Pt Substrate for the first time (solution of Na3VO4 and K3Fe(CN)6 in 3.6 M H2SO4, potential scanning between 0.4 and 1.2 V).
ChemInform Abstract: In situ Catalytic Activation and Regeneration Using Electrostatic Field Gradients as Demonstrated During Hydrogenolysis of Ethane and Ethylene on a Nickel Wire Catalyst.
Authors: KRISTYAN S. , TIMMONS R. B.
Published: May 2016

An enhancement of Catalytic activity is achieved for the hydrogenolysis of C2H6 and C2H4 on a Ni wire catalyst when the Ni wire is subjected to relatively high applied electrostatic potentials (open circuit arrangement, description is given).
ChemInform Abstract: Effects of Additives on Morphological and Catalytic Properties of Ni ‐ SiO2 Catalysts for Enantioselective Hydrogenation.
Authors: NITTA Y. , UTSUMI T. , IMANAKA T. , TERANISHI S.
Published: May 2016

The effects of Pd (as PdCl2) and Cl‐ additives in the preparation of Ni ‐ SiO2 catalysts (precipitation with Na2CO3 from aqueous Ni(NO3)2 solution) have been investigated by X‐ray diffraction and TGA.
ChemInform Abstract: Iron and Cobalt Fischer‐Tropsch Catalysts Prepared by the Solvated Metal‐Atom Technique
Authors: MEIER P. F. , PENNELLA F. , KLABUNDE K. J. , IMIZU Y.
Published: May 2016

show considerably higher catalytic activity than catalysts with the same metal loading prepared by incipient impregnation.
ChemInform Abstract: Texture and Surface Chemistry of Aluminum Phosphates.
Authors: CAMPELO J. M. , MARINAS J. M. , MENDIOROZ S. , PAJARES J. A.
Published: May 2016

Three different Al‐orthophosphates have been prepared by precipitation from aqueous solutions of AlCl3 and H3PO4 using aqueous NH3, ethylene oxide, or propylene oxide as neutralizing agents.
ChemInform Abstract: Chemical Preparation and Crystallographic Study of the Lead Tetrapolyphosphate: Pb3P4O13.
Authors: AVERBUCH‐POUCHOT M.‐T. , DURIF A.
Published: May 2016

Novel synthetic procedures permit for the first time a crystallographic investigation of the title salt.
ChemInform Abstract: Planarization of Unsaturated Rings. A Cycloheptatriene with a Planar Seven‐Membered Ring.
Authors: ERMER O. , KLAERNER F.‐G. + , WETTE M.
Published: May 2016

Geometrical and structural requirements for the ring planarization of cyclopolyolefins are discussed.
ChemInform Abstract: Electrochemically Catalyzed Aromatic Nucleophilic Substitution.
Authors: AMATORE C. , COMBELLAS C. , ROBVEILLE S. , SAVEANT J.‐M. , THIEBAULT A.
Published: May 2016

The rate constants of the addition of CN ‐ on aryl radicals generated from (I) are determined by means of cyclic voltammetry (using either the direct or the competition electrochemical method).
ChemInform Abstract: A Mild and Stereospecific Conversion of Vicinal Diols into Olefins via 2‐Methoxy‐ 1,3‐dioxolane Derivatives.
Authors: ANDO M. , OHHARA H. , TAKASE K.
Published: May 2016

The diols (I) are coupled with the orthoester (II) producing the 2‐methoxy‐1,3‐dioxolanes (III).
ChemInform Abstract: Anellation Reactions of α‐(Dihydro‐β‐carbolinium)ketone Derivatives.
Authors: MOEHRLE H. + , SCHILLINGS P.
Published: May 2016

Das Dihydrocarbolin (I) wird auf dem skizzierten Wege in das Imidazol‐ Derivat (IV) bzw. das Dihydrotriazin (VI) umgewandelt.
ChemInform Abstract: Tandem [2,3]Sigmatropic Rearrangement of a Sulphonium Ylide and Cyclopropanation of the Resulting Electron‐Rich Olefin of a 4‐Methoxy‐2‐pyrone Derivative.
Authors: DE MARCH P. , MORENO‐MANAS M. , RIPOLL I. , FLORENCIO F. , GARCIA‐BLANCO S. , MARTINEZ‐CARRERA S.
Published: May 2016

4‐Methoxy‐6‐phenylthiomethyl‐2‐pyrone (I) and methyldiazomalonate (II) react in the presence of Rh‐catalysts to yield the adduct (III).
ChemInform Abstract: Photochemical Studies. Part 26. Irradiation‐Induced Transformations of Homoconjugated Dienones.
Authors: OREN J. , FUCHS B.
Published: May 2016

Photorearrangements of the‐homoconjugated ketones (II) are highly wavelength selective, regioselective and‐ diastereoselective.
ChemInform Abstract: Transmission of Substituent Effects Through Unsaturated Systems.
Authors: GERIBALDI S. , DECOUZON M. , BOYER B. , MOREAU C.
Published: May 2016

As expected, the reduction of the enones (I) and (III) leads exclusively to the allylic alcohol such as (II).
ChemInform Abstract: Polymer‐Supported Phosphine‐Halogen Complexes. Part 2. A New Facile Way for Esterification of Carboxylic Acids.
Authors: CAPUTO R. , CORRADO E. , FERRERI C. , PALUMBO G.
Published: May 2016

The polymer supported phosphines (I) are coupled with halogens to give the complexes (III).
ChemInform Abstract: Regiospecific Preparation of α,α‐Dihalofluoromethyl Perfluoroalkyl Ketones.
Authors: JEONG I. H. , BURTON D. J. , COX D. G.
Published: May 2016

Tributylphosphine (I) is treated with the haloalkanes (II) to yield the phosphonium salts (III).
ChemInform Abstract: Selective and Stereospecific Horse Liver Alcohol Dehydrogenase‐Catalyzed Reduction of Cage‐Shaped meso‐Diketone.
Authors: NAEMURA K. , FUJII T. , CHIKAMATSU H.
Published: May 2016

The cage dion (I) is stereospecifically reduced by HLADH (horse liver alcohol dehydrogenase) producing hydroxy ketone (‐)‐(II).
ChemInform Abstract: The Stereoselective Michael Reaction between Silyl Enol Ethers and a,β‐Unsaturated Ketones by the Use of Trityl Perchlorate as a Catalyst.
Authors: MUKAIYAMA T. , TAMURA M. , KOBAYASHI S.
Published: May 2016

The α,β‐unsaturated ketones (I) and the silylenol ethers (II) react in the presence of trityl perchlorate yielding the condensation products (III) and (IV).
ChemInform Abstract: Synthesis and Mesomorphic Properties of Some Derivatives of 4′‐Hydroxy‐3‐methyl‐ 4‐cyanodiphenyl.
Authors: BEZBORODOV V. S. , LAPANIK V. I. , PETROVICH A. E. , POLOZOV G. I.
Published: May 2016

The title compound (VIII) is synthesized and condensed with . octyl bromide and with the acid chlorides (X) or (XII) to yield the derivatives (IX), (XI) or (XIII).
ChemInform Abstract: Synthesis of Acyl Derivatives of 4‐Phenyl‐2‐azetidinone and Their Reactions with Amines.
Authors: BERGMANN H.‐J. , OTTO H.‐H.
Published: May 2016

Die im Titel genannte Verbindung (I) läßt sich unter den beschriebenen Bedingungen N‐acylieren.
ChemInform Abstract: The Diastereoselective Addition of Tin(II) Enolates Derived from Carboxylic Thioesters to α‐Iminoester.
Authors: MUKAIYAMA T. , SUZUKI H. , YAMADA T.
Published: May 2016

The thiol esters (I) are coupled with the imine (II) in the presence of the metal halogenides (III) to produce mixtures of the isomeric adducts (IV) and (V).
ChemInform Abstract: Amino Acid Approach as a General Route to Nonstabilized Azomethine Ylides.
Authors: TSUGE O. , KANEMASA S. , OHE M. , TAKENAKA S.
Published: May 2016

The amino acids or amino esters (I) react with the oxo derivatives (II) yielding the azomethine ylides (III) or (IV).
ChemInform Abstract: Palladium‐Catalyzed Stereocontrolled Cyclization of 1,3‐Diene Monoepoxide: A Route to a New Synthetic Intermediate for de‐AB‐Cholestane Derivative.
Authors: TAKAHASHI T. , MIYAZAWA M. , UENO H. , TSUJI J.
Published: May 2016

The epoxides (I) and (III) cyclize in the presence of Pd‐catalysts to produce the lactones (II) and (IV) which are precursors of vitamin D3.
ChemInform Abstract: 2,2′‐Bipyridyl‐6‐carboxamidoximes with Potential Antitumor and Antimicrobial Properties.
Authors: CRISTALLI G. , FRANCHETTI P. , GRIFANTINI M. , RIPA S.
Published: May 2016

Die Bipyridylcarboxamidoxime (II) werden aus den entsprechenden Nitrilen (I) durch Umsetzung mit Hydroxylamin hergestellt; sie weisen antibakterielle sowie fungizide Eigenschaften auf.
ChemInform Abstract: Hetero Head‐to‐Head Dimer by Topochemical Photoreaction of Methyl α‐Cyano‐4‐[2‐(2‐pyridyl)ethenyl]cinnamate.
Authors: KATO S. , NAKATANI M. , HARASHINA H. , SAIGO K. , HASEGAWA M. , SATO S.
Published: May 2016

The cinnamate (I) reacts photochemically forming the dimer with the structure (II).
ChemInform Abstract: Tetrahydroisoquinolines as Components of H2‐Antagonists. Part 27. H2‐Antihistaminics.
Authors: TRUMM K.‐A. , POSTIUS S. , SZELENYI I. , SCHUNACK W.
Published: May 2016

Lamtidin‐analoge Derivate der N‐(3‐Hydroxyphenyl)‐guanidine (I) und der 5‐ bzw. 7‐Hydroxytetrahydroisochinoline (II)‐(IV) werden synthetisiert und auf H2‐antagonistische Aktivität getestet.
ChemInform Abstract: Nitro Derivatives of 2‐(Dialkylamino)chromenes. Part 3. Behaviour of 2‐(Dialkylamino)‐3‐nitrochromenes in Reactions with Dinucleophilic Reagents.
Authors: BALBI A. , MAZZEI M. , ERMILI A. , ROMA G. , DI BRACCIO M.
Published: May 2016

Die Chromenderivate (I) reagieren mit Hydrazin, Guanidin oder S‐Methylisothioharnstoff zu den Pyrazolen (II) bzw. zu den Pyrimidinen (III) und (IV).
ChemInform Abstract: Effects of the Vinyl Groups in Reactions of the Highly Sterically Hindered Compound [Tris(trimethylsilyl)methyl]divinylsilyl Chloride.
Authors: AYOKO G. A. , EABORN C.
Published: May 2016

The reactivity of the title compound (I) prepared from (Me3Si)3CLi and SiCl2(CH = CH2)2 is compared to that of the dimethyl analogue (Me3Si)3CSiMe2Cl (A).
ChemInform Abstract: Addition of Silyl Radicals to Unsaturated Carbonyl Compounds: Regioselectivity of the Attack and 1,3 Carbon to Oxygen Silicon Migration.
Authors: ALBERTI A. , CHATGILIALOGLU C. , PEDULLI G. F. , ZANIRATO P.
Published: May 2016

The addition reactions of silyl and germyl radicals with the quinones (I) and (II), and quinonoid Compounds (III) and (IV) are studied by EPR spectroscopy.
ChemInform Abstract: Phosphatranes as Unusual Stabilizing Structures for Hypervalent Phosphorus: 10‐P‐5 Mono‐ and Divalent Cations.
Authors: CARPENTER L. E. II , DE RUITER B. , VAN AKEN D. , BUCK H. M. , VERKADE J. G.
Published: May 2016

1H, 13C, and 31P NMR evidence are represented for the formation of the hypervalent phosphorus mono‐ and divalent cations (II) and (III) in trifluoroacetic acid at room temp. and (VI) from the isolated monoalkyl derivatives (V) by further alkylation.
ChemInform Abstract: A Facile Preparation of Tellurol Esters from Phenyltellurotrimethylsilane and Acyl Chlorides.
Authors: SASAKI K. , ASO Y. , OTSUBO T. , OGURA F.
Published: May 2016

Phenyltelluric trimethylsilane (I) reacts with the acyl chIorides (II) giving the tellurol esters (III).
ChemInform Abstract: Synthetic Model Approach to the Manganese(III) Acid Phosphatase and Its Iron(III)‐Substituted Form.
Authors: BASHKIN J. S. , HUFFMAN J. C. , CHRISTOU G.
Published: May 2016

The square pyramidal Mn(III) complex (I) is prepared by 1:1:2:2 molar reaction of tris(acetylacetonato)‐Mn(III), NEt3, thiosalicylic acid, and imidazole in CH2Cl2 at ‐78°C followed by addition of PPh4Br.
ChemInform Abstract: Selective O‐Demethylation of 7α‐(Aminomethyl)‐6,14‐endo‐ethenotetrahydrothebaine.
Authors: KOPCHO J. J. , SCHAEFFER J. C.
Published: May 2016

Aus Thebain (I) erhält man über verschiedene Zwischenstufen das Aminomethyl‐endo‐etheno‐Derivat (II), das mit Bortribromid/ Chloroform selektiv zu dem Phenol (III) demethyliert werden kann.
ChemInform Abstract: α‐Alkylidene β‐Lactams. Part 2. A Formal Synthesis of (±)‐Carpetimycin A.
Authors: BUYNAK J. D. , RAO M. N.
Published: May 2016

Aus dem Alkinylcarbinol (I) und dem Sulfenylchlorid (II) erhält man das Allen (III), das zu (IV) reduziert und weiter zu (V) substituiert wird.
ChemInform Abstract: A Total Synthesis of Plumericin, Allamcin, and Allamandin. Part 1. Basic Strategy.
Authors: TROST B. M. , MAO M. K.‐T. , BALKOVEC J. M. , BUHLMAYER P.
Published: May 2016

Novel methodologies to be used in the Synthesis of iridoid terpenes [e.g.
ChemInform Abstract: Effect of Segregated Cr on Degradation of (Ti, Cr)B2 Exposed to Liquid Aluminum.
Authors: ZDANIEWSKI W. A.
Published: May 2016

Agradual increase in Cr concentration is observed near the surface of a sintered ( 1800°C) (Ti, Cr)B2 electrode.
ChemInform Abstract: Some in situ Observations of GaAs Oxidation.
Authors: HALL M. , RAU M.‐F. , EVANS J. W.
Published: May 2016

Nucleation, growth, and microstructure of oxide films formed on doped (Si or Te)GaAs have been studied in situ using an environmental cell placed in a TEM.
ChemInform Abstract: Compound Formation in MO:M2O3 Systems. A New Type of BaFe2O4 with Stuffed Tridymite Structure.
Authors: LEIB W. , MUELLER‐BUSCHBAUM HK. +
Published: May 2016

A novel phase, BaFe2O4‐II, is obtained by solid state reaction using BaCl2 as a flux (Ba(OH)2‐ 2 H2O :Fe‐oxalate BaCl2 · 2 H2O = l:l:l; 970°C, 72 h).
ChemInform Abstract: Kinetic Resolution of Racemic Allyl Acetates in Asymmetric Allylic Alkylation Catalysed by a Chiral Ferrocenylphosphine‐Palladium Complex.
Authors: HAYASHI T. , YAMAMOTO A. , ITO Y.
Published: May 2016

The racemic allyl acetate (Ia) reacts with the compound (II) in the presence of the catalysts (III) and (IV) to give the Substitution products (V) and (VI).
ChemInform Abstract: Reductive Cleavage of Arylcyclopropyl Ketones.
Authors: MURPHY W. S. , WATTANASIN S.
Published: May 2016

The arylcyclopropyl aryl ketones (I) undergo clean but slow reductive cleavage to the 4‐arylbutyrophenones (II).
ChemInform Abstract: Relative Migratory Aptitudes of Doubly and Triply Bonded Groups in a Cycloheptatriene System.
Authors: BATTYE P. J. , JONES D. W.
Published: May 2016

Thermolysis of the benzocycloheptenes (Ia)‐(Ie) ‐ prepared by various methods ‐ yields the products (II) of a simple 1,5‐shiftofthe substituent R and/or the products (III) derived from them by 1,5‐hydrogen migration.
ChemInform Abstract: Ruthenium Complex Catalyzed Regioselective Dehydrogenation of Unsymmetrical α,ω‐Diols.
Authors: ISHII Y. , OSAKADA K. , IKARIYA T. , SABURI M. , YOSHIKAWA S.
Published: May 2016

Die cyclisierende Dehydrierung der 1,4‐Diole (I) und 1,5‐Diole (VI) in Gegenwart von Ruthenium‐Komplexen wird unter verschiedenen Reaktionsbedingungen durchgeführt.
ChemInform Abstract: Oxidative Cleavage of Ketoximes with Iodosobenzene Diacetate.
Authors: MORIARTY R. M. , PRAKASH O. , VAVILIKOLANU P. R.
Published: May 2016

Die Ketoxime (I) werden durch Iodosobenzol‐diacetat (II) in die Ketone (III) übergeführt.
ChemInform Abstract: Oxidative Transformation of Pyrazole into Triazole. Novel Synthesis of 4‐Cyano‐2H‐1,2,3‐triazole Derivatives.
Authors: KANDEEL Z. E.‐S. , FUCHIGAMI T. , NONAKA T.
Published: May 2016

2H‐1,2,3‐Triazoles are intermediates in the preparation of light stabilizers and fluorescent whiteners for synthetic fibres and plastics.
ChemInform Abstract: Enamide Photochemistry. A Convenient Synthesis of 3‐Aryl‐1‐oxotetrahydro‐ and ‐dihydro‐isoquinolines (Isocarbostyrils).
Authors: COUTURE A. , GRANDCLAUDON P.
Published: May 2016

The 3‐aryl‐1‐oxo‐tetrahydroisoquinolines (II) are formed by irradiation of the enamides (I).
ChemInform Abstract: Unsaturated Derivatives of 2‐Vinyl‐ and 2‐Ethynyl‐2‐R‐6‐methyl‐1,3‐dioxa‐6‐aza‐ 2‐silacyclooctanes.
Authors: VORONKOV M. G. , KUZNETSOV A. L. , YAROSH O. G. , MIRSKOV R. G. , RAKHLIN V. I. , SIGALOV M. V.
Published: May 2016

Die ungesättigten Bis‐alkoxy‐silane (I) reagieren mit N‐Methyldiethanolamin (II) zu den Dioxa‐aza‐silacyclooctanen (III) mit Vinyl‐ und Acetylen‐Substituenten am Siliciumatom.
ChemInform Abstract: Hydrogenation of Propadienephosphonous Acid.
Authors: BELAKHOV V. V. , YUDELEVICH V. I. , FETTER A. P. , IONIN B. I.
Published: May 2016

Allenphosphonige Säure (I) läßt sich an Palladium/ Kohle bei niedrigen Wasserstoffdrücken selektiv zu cis‐Propenphosphoniger Säure (II) hydrieren.
ChemInform Abstract: Protected β‐Dicarbonyl Compounds: Alkylation of Trimethyl Silyl Enol Ethers with Tris‐(phenylseleno) Methane Mediated by Tin Tetrachloride.
Authors: COMASSETO J. V. , SILVEIRA C. C.
Published: May 2016

Alkylierung der Silylenolether (I) mit Tris(phenylseleno)methan (II) in Gegenwart vgn Zinn(IV)‐ chlorid liefert die β‐Keto‐selenoacetale (III).
ChemInform Abstract: Fluorovinylzinc Reagents: Access to Fluorovinyl Ketones, Esters, and Heterocycles.
Authors: GILLET J. P. , SAUVETRE R. , NORMANT J. F.
Published: May 2016

The fluorovinylzinc reagents (II) prepared from the fluorovinyllithium compounds (I) and zinc Chloride react with the hetaryl iodides (III), ethyl carbonochloridate (V), or the acid chlorides (VII) under palladium catalysis to yield the fluoroalkenes (IV), the esters (VI), and the fluorovinyl ketones (VIII) respectively.
ChemInform Abstract: Transmethylation Reactions of Sodium Trimethylsilylpropionate and Sodium 2,2‐Dimethyl‐2‐silapentane‐5‐sulfonate with Hg(II) Species.
Authors: NIES J. D. , BELLAMA J. M. , BEN‐ZVI N.
Published: May 2016

The effects of temp., pCl, and concentration on the rate and extent of Si ‐ Cbond cleavage by Hg(II) species as HgClz, Hg(NO3)2, and Hg(ClO4)2 are studied by 1H NMR spectroscopy.
ChemInform Abstract: Reactions of Electrophilic Alkynes with Some Iron and Tungsten Sulphur, Selenium, and Arsenic Complexes.
Authors: CARLTON L. , DAVIDSON J. L. , SHIRALIAN M.
Published: May 2016

Reactions of the dimethylarsenido complexes (I) with the activated alkynes (II) afford the metallacyclic complexes (III).
ChemInform Abstract: Sugar Interaction with Silver Ion. Synthesis, Syectroscopic and Structural Analysis of Silver‐ Glucuronate Compounds.
Authors: TAJMIR‐RIAHI H. A.
Published: May 2016

Interaction between D‐glucuronic acid and Ag(I) ion using Ag nitrate or Ag carbonate in aqueous solution are studied.
ChemInform Abstract: Redox Alkylation of Tyrosine Derivatives.
Authors: BARLOS K. , LAMPROPOULOU M. , MARMARAS V. , PAPAIOANNOU D. , PATRIANAKOU S.
Published: May 2016

Reaction of the trityl‐protected L‐tyrosine (Ia) with the corresponding alkyl halides (II) in the presence of NaH gives the O‐alkylated tyrosines (Ib) and (Ic) in moderate yields.
ChemInform Abstract: Benzomorphan‐Related Compounds. Part 21. Synthesis of 7,8‐Benzomorphans via 2‐Aryl‐4‐piperidones.
Authors: BOSCH J. , RUBIRALTA M. , MORAL M. , ARINO J.
Published: May 2016

A new synthetic route yielding the benzomorphans (XIII) and (XIV) starts from the reaction of the imide (I) with the ketone (II) as shown in the scheme.
ChemInform Abstract: A Simple and Facile Synthesis of d,l‐Muscone.
Authors: TAECHACHOONHAKIT S. , RATANANUKUL P.
Published: May 2016

Exalton (I) reacts with formic acid ester yielding the hydroxymethylene derivative (II) which is transformed into the diazo compound (III).
ChemInform Abstract: Synthesis of Lepidoptera Pheromones
Authors: MATVEEVA E. D. , KURTS A. L. , BUNDEL' YU. G.
Published: May 2016

Review: (217 refs.
ChemInform Abstract: Competitive Binary Uptake of Cs+, Ba2+ , Zn2+, and Mn2+ Ions from Aqueous Solutions by Zeolite‐4A.
Authors: DANIELS E. A. , PURI M.
Published: May 2016

Besides mutual suppression, a direct correlation between the rate constant and the final amount of a given cationic uptake from the binary mixture is observed.
ChemInform Abstract: Structure and Bonding of IrB12‐: Converting a Rigid Boron B12 Platelet to a Wankel Motor.
Authors: Liu Lei , Moreno Diego , Osorio Edison , Castro Abril C. , Pan Sudip , Chattaraj Pratim K. , Heine Thomas , Merino Gabriel
Published: May 2016

DFT‐based calculations reveal that the global minimum of IrB12‐ is a C3v symmetric bowl‐like structure in which the Ir atom is located on the concave side of the bowl similar to its lighter congeners, CoB12‐ and RhB12‐.
ChemInform Abstract: Copper‐Catalyzed Divergent Addition Reactions of Enoldiazoacetamides with Nitrones.
Authors: Cheng Qing‐Qing , Yedoyan Julietta , Arman Hadi , Doyle Michael P.
Published: May 2016

Variation of the Cu catalyst under otherwise identical conditions yields different products for the reaction of enoldiazoacetamides with nitrones.
ChemInform Abstract: Amide‐Substituted Titanocenes in Hydrogen‐Atom Transfer Catalysis.
Authors: Zhang Yong‐Qiang , Jakoby Verena , Stainer Katharina , Schmer Alexander , Klare Sven , Bauer Mirko , Grimme Stefan , Cuerva Juan Manuel , Gansaeuer Andreas
Published: May 2016

Catalytic systems involving titanocene complexes with pendant amide ligands are described to catalyze the hydrogen‐atom transfer reaction to yield the corresponding alcohols.
ChemInform Abstract: Ruthenium(0)‐Catalyzed [4 + 2] Cycloaddition of Acetylenic Aldehydes with α‐Ketols: Convergent Construction of Angucycline Ring Systems.
Authors: Saxena Aakarsh , Perez Felix , Krische Michael J.
Published: May 2016

This novel coupling of aldehydes (I) with α‐ketols gives [4 + 2] cycloadducts as single diastereomers.
ChemInform Abstract: Remarkable Differences in Reactivity Between Benzothiazoline and Hantzsch Ester as a Hydrogen Donor in Chiral Phosphoric Acid Catalyzed Asymmetric Reductive Amination of Ketones.
Authors: Kim Kyung‐Hee , Akiyama Takahiko , Cheon Cheol‐Hong
Published: May 2016

Attempted asymmetric reductive amination of benzyl methyl ketones with benzothiazoles (II) as hydrogen donor does not give any yields of the expected β‐arylamine whereas phenyl methyl ketone gives the reductive amination product (VII) with moderate e.e.
ChemInform Abstract: Unexpected Retroaldol‐Aldol Reaction During O‐Alkylation of Hydroxylated Vince Lactam Derivatives.
Authors: Bengtsson Christoffer , Wetzel Alexander , Bergman Joakim , Braanalt Jonas
Published: May 2016

The reaction course of the O‐alkylation of β‐hydroxy lactam (I) depends on the temperature and reveals a remarkable solvent effect.
ChemInform Abstract: Vitamin B12: An Efficient Type Catalyst for the One‐Pot Synthesis of 3,4,5‐Trisubstituted Furan‐2(5H)‐ones and N‐Aryl‐3‐aminodihydropyrrol‐2‐one‐4‐carboxylates
Authors: Kangani Mehrnoosh , Maghsoodlou Malek‐Taher , Hazeri Nourallah
Published: May 2016

using multicomponent reaction strategies
ChemInform Abstract: Synthesis of N‐Boc‐Propargylic and Allylic Amines by Reaction of Organomagnesium Reagents with N‐Boc‐Aminals and Their Oxidation to N‐Boc‐Ketimines.
Authors: Kano Taichi , Kobayashi Ryohei , Maruoka Keiji
Published: May 2016

Various N‐Boc protected propargylic and allylic aminals react with aryl, hetaryl, alkyl, alkenyl, and alkynyl magnesium reagents while efficiently forming the corresponding secondary amines.
ChemInform Abstract: Cobalt‐Catalyzed N‐Alkylation of Amines with Alcohols.
Authors: Zhang Guoqi , Yin Zhiwei , Zheng Shengping
Published: May 2016

Various benzylic alcohols as well as alkylethanol derivatives are efficiently transformed according to the title reaction with aliphatic and aromatic amines, including diamines.
ChemInform Abstract: Enantioselective Synthesis of 4H‐Pyranonaphthoquinones via Sequential Squaramide and Silver Catalysis.
Authors: Kaya Ugur , Chauhan Pankaj , Hack Daniel , Deckers Kristina , Puttreddy Rakesh , Rissanen Kari , Enders Dieter
Published: May 2016

The title synthesis is achieved from naphthoquinones [e.g. (I)] and alkyne‐tethered nitroalkenes [e.g. (II)] via a one‐pot sequential Michael addition/hydroalkoxylation reaction which are catalyzed by squaramide and silver(I) salt, respectively.
ChemInform Abstract: Bu4NI‐Catalyzed Construction of tert‐Butyl Peresters from Alcohols.
Authors: Zhang Hui , Dong Dao‐Qing , Hao Shuang‐Hong , Wang Zu‐Li
Published: May 2016

A new method for the synthesis of tert‐butylperesters directly from commercially available alcohols in water is developed.
ChemInform Abstract: Generation of Thioethers via Direct C—H Functionalization with Sodium Benzenesulfinate as a Sulfur Source.
Authors: Ding Yingcai , Wu Wei , Zhao Wannian , Li Yiwen , Xie Ping , Huang Youqin , Liu Yu , Zhou Aihua
Published: May 2016

The novel approach uses stable and odorless sodium benzenesulfinate for the sulfenylation of flavones, arylimidazo[1,2‐a]pyridines and indoles and offers a regioselective access to arylthioethers in high yields.
ChemInform Abstract: Asymmetric Direct 1,2‐Addition of Aryl Grignard Reagents to Aryl Alkyl Ketones.
Authors: Osakama Kazuki , Nakajima Makoto
Published: May 2016

The developed method represents the first example of the title reaction reported to date, and is promoted by a recyclable BINOL derivative without requiring any additional metal.
ChemInform Abstract: Chiral Diarylmethanes via Copper‐Catalyzed Asymmetric Allylic Arylation with Organolithium Compounds.
Authors: Guduguntla Sureshbabu , Hornillos Valentin , Tessier Romain , Fananas‐Mastral Martin , Feringa Ben L.
Published: May 2016

The utility of the scalable, highly enantioselective title method is demonstrated by its application in the synthesis of the marketed drug (R)‐Tolterodine (V).
ChemInform Abstract: Green Synthesis of Dipyrromethanes in Aqueous Media Catalyzed by SO3H‐Functionalized Ionic Liquid.
Authors: Senapak W. , Saeeng R. , Jaratjaroonphong J. , Kasemsuk T. , Sirion U.
Published: May 2016

The method is based on the reaction between pyrrole and functionalized aryl, hetaryl or alkyl aldehydes.
ChemInform Abstract: Preparation of 1‐Amidoalkyl‐2‐naphthol Derivatives Using Barium Phosphate Nano‐Powders.
Authors: Taghrir Hadi , Ghashang Majid , Biregan Mohammad Najafi
Published: May 2016

The title naphthol derivatives are efficiently synthesized by one‐pot three‐component reaction of various aromatic aldehydes, naphthol, and amides/urea.
ChemInform Abstract: N‐Methylimidazolium Perchlorate as a New Ionic Liquid for the Synthesis of Bis(pyrazol‐5‐ol)s under Solvent‐Free Conditions.
Authors: Khaligh Nader Ghaffari , Hamid Sharifah Bee Abd , Titinchi Salam J. J.
Published: May 2016

The method is simple, environmentally benign, and starts from inexpensive substrates.
ChemInform Abstract: PS‐TBD Triggered General Protocol for the Synthesis of 4H‐Chromene, Pyrano[4,3‐b]pyran and Pyrano[3,2‐c]chromene Derivatives of 1H‐Pyrazole and Their Biological Activities.
Authors: Vala Nileshkumar D. , Jardosh Hardik H. , Patel Manish P.
Published: May 2016

The catalyst is used for at least five runs without significant loss of catalytic activity.
ChemInform Abstract: Copper‐Catalyzed Synthesis of Benzo[b]thiophene‐Fused Imidazopyridines via the Cleavage of C—H Bond and C—X Bond.
Authors: Huang Hui , Dang Pan , Wu Lijun , Liang Yun , Liu Jianbing
Published: May 2016

The tandem cross‐coupling reaction of K2S as sulfur source with 2‐(2‐bromophenyl)imidazo[1,2‐a]pyridines leads to benzo[b]thiophene‐fused imidazopyridines and this reaction is also applied in the preparation of benzo[b]thiophene‐fused indoles.
ChemInform Abstract: Rh(II)‐Catalyzed Formation of Pyrrolo[2,3‐b]quinolines from Azide‐Methylenecyclopropanes and Isonitriles.
Authors: Chen Kai , Tang Xiang‐Ying , Shi Min
Published: May 2016

The title reaction probably involves a carbondiimide intermediate and it undergoes cyclization and thermal‐induced rearrangement to give the final product.
ChemInform Abstract: Synthesis of Novel Isoindolo[2,1‐a]quinazolinedione Derivatives Containing a 1,2,3‐Triazole Ring System.
Authors: Esmaeili‐Marandi Fatemeh , Saeedi Mina , Yavari Issa , Mahdavi Mohammad , Shafiee Abbas
Published: May 2016

Title compounds (VII) are synthesized in good yields starting from isatoic anhydride (I) by an operationally simple three‐step procedure.
ChemInform Abstract: Hg/Pt‐Catalyzed Conversion of Bromo Alkynamines/Alkynols to Saturated and Unsaturated γ‐Butyrolactams/Lactones via Intramolecular Electrophilic Cyclization.
Authors: Kiran Kumar Yalla , Ranjith Kumar Gadi , Sridhar Reddy Maddi
Published: May 2016

Depending on the tether between the substrates′ bromoalkyne and the hydroxy or tosylamino group, respectively, the selective formation of saturated or unsaturated lactams, unsaturated lactones, oxazinones or α‐bromoketones is observed.
ChemInform Abstract: A Four‐Component Domino Reaction: An Eco‐Compatible Access to Diversified Imidazo[2,1‐b][1,3]thiazin‐5‐ones.
Authors: Kaur Tanpreet , Wadhwa Preeti , Sharma Anuj
Published: May 2016

The scalable, eco‐friendly access is based on an operationally simple reaction between thiourea, alkyl propiolates, aryl or alkyl aldehydes, and isocyanides.
ChemInform Abstract: 3‐Imidoallenylphosphonates: In situ Formation and β‐Alkoxylation.
Authors: Berton Jan K. E. T. , Heugebaert Thomas S. A. , Debrouwer Wouter , Stevens Christian V.
Published: May 2016

Starting from N‐phthalimide protected phosphonylated propargylamine and various alcohols a mild and efficient one‐pot approach to β‐substituted aminophosphonates via 3‐imidoallenylphosphonates is elaborated.
ChemInform Abstract: Isoquinoline Alkaloids from Fumaria officinalis L. and Their Biological Activities Related to Alzheimer′s Disease
Authors: Cahlikova Lucie , et al.
Published: May 2016

isolation, structure elucidation and biological activity of two new isoquinoline alkaloids, fumaranine (I) and furmarostrejdine (II), along with 18 known alkaloids