bluuebunny/crossref_metadata_2025 huggingface dataset:
ChemInform Abstract: PREPARATIVE MICROBIOLOGICAL REDUCTION OF β‐OXO ESTERS WITH THERMOANAEROBIUM BROCKII
Authors: SEEBACH D. , ZUEGER M. F. + , GIOVANNINI F. , SONNLEITNER B. , FIECHTER A.
Published: May 2016

Durch Einsatz des Titelmikroorganismus erhält man aus den β‐Oxoestern (I) die Alkohole (II) (Vergleich mit Bäckerhefe tab· aufgelistet).
ChemInform Abstract: SYNTHESIS AND BIOLOGICAL ACTIVITY OF HETEROCYCLIC ACYLCHOLINES
Authors: DE MICHELI C. , DE AMICI M. , SANTAGOSTINO BARBONE M. G. , ZONTA F. , GRANA E.
Published: May 2016

Propiolsäure (I) wird mit Brom‐ethanol (II) verestert.
ChemInform Abstract: POSSIBILITY OF ARENONIUM ION FORMATION DURING DEHYDRATION OF 1,4,4‐TRISUBSTITUTED 2,5‐CYCLOHEXADIEN‐1‐OLS
Authors: NIKANOROV V. A. , ROZENBERG V. I. , GAVRILOVA G. V. , GINZBURG B. I. , REUTOV O. A.
Published: May 2016

Der Cyclohexadienylalkohol (I) wird beim Filtrieren seiner Lösung in Hexan über Silicagel dehydratisiert, und es entstehen das Trien (II) und das butylsubstituierte Xylol (III) im Verhältnis 2 : l. Die Dehydratisierung von (I) erfolgt auch spontan in Ether, wobei die Derivate (II) und (III) im Verhältnis 1.5 : l erhalten werden.
ChemInform Abstract: TWOFOLD EXTRUSION REACTIONS OF SELONES AND AZIDES: THE PREPARATION OF VERY STERICALLY HINDERED IMINES
Authors: GUZIEC F. S. JUN. , MOUSTAKIS C. A.
Published: May 2016

Aus Thionen und Selonen (I) erhält man mit Phenylazid die Phenylimine (III).
ChemInform Abstract: STEREOSELECTIVE Γ‐CIS‐VINYLIC METALATION OF TERTIARY ALLYLIC ALCOHOLS
Authors: CUVIGNY T. , JULIA M. , ROLANDO C.
Published: May 2016

Die aus dem tertiären Allylalkohol (I) hergestellte Lithiumverbindung (II) reagiert mit D2O, Alkylbromiden, Trimethylsilylchlorid und Aceton zu den Derivaten (III).
ChemInform Abstract: CONVERSION OF α‐ACETYLENIC ALCOHOLS INTO α,β‐UNSATURATED ALDEHYDES
Authors: JULIA M. , LEFEBVRE C.
Published: May 2016

Aus den Acetylenalkoholen (I) entstehen mit Thiophenol (II) die Addukte (III), die zu den Acroleinen (IV) unter Rückbildung des Thiophenols (II) hydrolysiert werden.
ChemInform Abstract: LIQUID‐PHASE FREE‐RADICAL ISOMERIZATION OF CYCLIC ACETALS OF DIMETHYLFORMAMIDE
Authors: PASTUSCHENKO E. V. , KURBANOV D. , ZLOTSKII S. S. , RAKHMANKULOV D. L.
Published: May 2016

Die cyclischen Dimethylformamidacetale (I) bilden in Gegenwart von Di‐tert.‐ butylperoxid Dimethylcarbaminsäureester (II).
ChemInform Abstract: MECHANISMS AND INTERMEDIATES FOR SQUARIC ACID SYNTHESIS FROM HEXACHLOROBUTADIENE AND MORPHOLINE
Authors: PAINE A. J.
Published: May 2016

Die Umsetzung von Hexachlorbutadien (I) mit Morpholin (II) zu Quadratsäure (V)′über Zwischenstufen wie (III) und (IV) wird systematisch untersucht.
ChemInform Abstract: REACTION OF DICARBOMETHOXYCARBENE WITH QUADRICYCLANE
Authors: TETEF M. L. , JONES M. JUN.
Published: May 2016

Quadricyclan (I) reagiert mit dem aus Diazomalonsäureester erhaltenen Carben (II) zu den Addukten (III)‐(VI).
ChemInform Abstract: REACTIONS OF SUBSTITUTED β‐AMINOCROTONAMIDES WITH ORTHOFORMATE AND DIMETHYLFORMAMIDE DIETHYL ACETAL
Authors: GRANIK V. G. , GRIZIK S. I. , ERSHOV L. V.
Published: May 2016

Das α‐Cyano‐β‐aminocrotonamid (I) reagiert mit Orthoameisensäureethylester (II) und Acetanhydrid zum α‐Cyano‐ethoxymethylenacetamid (III).
ChemInform Abstract: Reaktion der Azoverknüpfung von Aryldiazoniumsalzen mit Pentamethy|cyclopentadien. |cyclopentadien. lcyclopentadien.
Authors: MIKHAILOV I. E. , DUSHENKO G. A. , MINKIN B. I. , USTYNYUK YU. A. , OLEKHNOVICH L. P.
Published: May 2016

Bei der Reaktion der Titelverbindungen (I) und (II) bilden sich neben den 5‐Arylazopentadienen (III) die 1‐Arylazomethylpentadiene (IVa).
ChemInform Abstract: OPTICALLY ACTIVE α‐ARYLCARBOXYLIC ACIDS BY KINETIC ENANTIOMER SEPARATION: PYRETHROID ACIDS
Authors: GAERTNER H. + , SALZ U. , RUECHARDT C. +
Published: May 2016

Durch Umsetzung von Diastereomerengemischen der Anhydride (I) mit optisch aktiven Pyridylethanolen (II) werden optisch aktive Säuren (III), (V), (VII) und deren Ester (IV), (VI), (VIII) erhalten.
ChemInform Abstract: REACTION OF PHENOL WITH CYCLOHEXENE IN THE PRESENCE OF ALUMINUM PHENOLATE
Authors: KOZLIKOVSKII YA. B. , KOSHCHII V. A.
Published: May 2016

Reaktion von Phenol mit Cyclohexen in Gegenwart von Aluminiumphenolat.
ChemInform Abstract: SUBSTANCES WITH ANTINEOPLASTIC ACTIVITY. LXXXIX. SOME 1‐SUBSTITUTION DERIVATIVES OF 4‐ARYL‐2,3‐DIHALO‐1‐NAPHTHOLS
Authors: KREPELKA J. , VLCKOVA D. , MELKA M.
Published: May 2016

Durch Reaktion entsprechender (I) mit den Chloriden (II) bzw. (III) erhält man die Ether (IV), von denen (IVa) mit den Aminen (V) weiter zu den Aminoderivaten (VIa)‐(Vlg) reagiert.
ChemInform Abstract: PHOTOCHEMICAL REACTIONS OF 2‐SUBSTITUTED FURANS WITH SOME CARBONYL COMPOUNDS
Authors: SEKRETAR S. , RUDA J. , STIBRANYI L.
Published: May 2016

Photoreaktion der Furane (1) mit den Carbonylverbindungen (II), (IV), (VII) bzw. (IX) liefern die (bekannten) Verbindungen (III) bzw. die Heterocyclen (IV) + (V) [ + Verbindung (VI)] bzw. (VIIIa) (endo/exo‐Gemisch) + (VIIIb) + (VIIIc) bzw. (X) + (XI) + (XII) [daneben jeweils Benzpinakol (XIII)], die als Ausgangssubstanzen für die Synthese von 2,3‐ bzw. 2,4‐disubstituierten Furanen dienen sollen.
ChemInform Abstract: SYNTHESIS OF DERIVATIVES OF BENZO(H)QUINOLINES BY THE CONDENSATION OF SCHIFF BASES WITH KETONES
Authors: LETUNOV V. I. , TKHOR T. G.
Published: May 2016

Durch Kondensation des in Position 13 durch die Sulfongruppe blokkierten l‐Naphthylamins (I) mit den Benzaldehyden (II) werden die entsprechenden Schiffschen Basen erhalten, die wegen der Blockierung von Position 8 nicht zu Azaacenaphthenen cyclisieren können.
ChemInform Abstract: SYNTHESIS OF DIHYDRAZINO‐, BIS‐S‐TRIAZOLO‐ AND BISTETRAZOLOPYRIDAZINO(4,5‐D)PYRIDAZINE DERIVATIVES AS POTENTIAL ANTIHYPERTENSIVE AGENTS
Authors: AUZZI G. , BRUNI F. , CECCHI L. , COSTANZO A. , PECORI VETTORI L. , DE SIO F.
Published: May 2016

Durch Reaktion des Dichlor‐ (Ia) bzw. Dimethoxy‐pyridazino‐pyridazins (‐lb) mit Hydrazin erhält man das Bis‐hydrazin (lc), aus dem in üblicher Weise das Hydrazon (Id), die Hydrazide (Ie) und (If) sowie das Ethoxymethylenhydrazin (Ig) erhalten werden.
ChemInform Abstract: SYNTHESIS OF 1,2,4‐TRIAZINES. XI. SYNTHESIS AND REACTIONS OF 6‐AMINO‐1,2,4‐TRIAZIN‐5‐ONES AND 6‐AMINO‐1,2,4‐TRIAZINE‐5‐THIONES
Authors: NEUNHOEFFER H. , HAMMANN H.
Published: May 2016

Durch Reaktion der Amidrazone (I) mit den Estern (II) erhält man die Titelverbindungen (IIIa)‐(IIId).
ChemInform Abstract: ORGANOBORON COMPOUNDS. CDVIII. REACTION OF 1‐BORAADAMANTANE WITH AROMATIC NITRILES
Authors: MIKHAILOV B. M. , BARYSHNIKOVA T. K.
Published: May 2016

1‐Boraadamantan (I) reagiert mit den Benzonitril‐Derivaten (II) zu den l /1 ‐I(omplexen (III), die bei 200°C zu den dimeren 5‐substituierten 3‐Bora‐4‐azal,l‐bihomoadamant‐4‐enen (IV) weiterreagieren.
ChemInform Abstract: STUDIES ON HETEROCYCLES. LI. SYNTHESIS AND PROPERTIES OF 2‐SELENO‐5‐ARYLIDENEBARBITURIC ACIDS
Authors: MOSKVIN A. V. , SMORYGO N. A. , IVIN B. A.
Published: May 2016

Durch Kondensation der aromatischen Aldehyde (I) mit Selenobarbitursäure (II) werden die Titelverbindungen (III) dargestellt.
ChemInform Abstract: X‐RAY CRYSTAL STRUCTURES OF THE DIPHENYLPHOSPHIDE AND ARSENIDE ANIONS: USE OF A CROWN ETHER TO EFFECT COMPLETE METAL CATION AND ORGANOMETALLOID ANION SEPARATION
Authors: HOPE H. , OLMSTEAD M. M. , POWER P. P. , XU X.
Published: May 2016

Die Zugabe von zwei Äquiv.
ChemInform Abstract: METAL‐VAPOR SYNTHESIS AND ELECTROCHEMISTRY OF BIS(BIPYRIDYL)NICKEL(0)
Authors: HENNE B. J. , BARTAK D. E.
Published: May 2016

Die Darstellung der Titelverbindung erfolgte unter Verwendung einer Nickel‐Toluol‐ Matrix‐Technik, bei der"Toluol‐solvatisierte" Ni‐Atome als Intermediäre vorhanden sind.
ChemInform Abstract: STEP‐BY‐STEP SYNTHESIS OF A CLUSTER WITH FOUR DIFFERENT METAL ATOMS
Authors: FISCHER K. , MUELLER M. + , VAHRENKAMP H.
Published: May 2016

Die wie früher beschrieben dargestellten Dreikerncluster (I) reagieren nach Deprotonierung mit Chloro‐triphenylphosphin‐Au(l) zu den Vierkernclustern (ll).
ChemInform Abstract: SYNTHESIS OF ASPERDIOL
Authors: STILL W. C. , MOBILIO D.
Published: May 2016

Die Synthese von racemischem, Antitumor‐Wirkung besitzendem Asperdiol (IXb) wird, ausgehend von (I) und (II) bzw. aus (VI), in der angegebenen Weise beschrieben.
ChemInform Abstract: STEROIDS. CCCII. LEAD TETRAACETATE OXIDATION OF 3β‐ACETOXY‐B‐HOMO‐5α‐CHOLESTAN‐7Aβ‐OL
Authors: KOHOUT L. , ZAJICEK J.
Published: May 2016

Bei der Titelreaktion von (I) entsteht neben dem erwarteten Ether (III) als Hauptprodukt der Aldehyd (II), dessen Struktur anhand von spektroskopischen Methoden und durch Überführun g in das Enon (VII) geklärt wird.
ChemInform Abstract: STRUCTURE OF LANSIOSIDES: BIOLOGICALLY ACTIVE NEW TRITERPENE GLYCOSIDES FROM LANSIUM DOMESTICUM
Authors: NISHIZAWA M. , NISHIDE H. , KOSELA S. , HAYASHI Y.
Published: May 2016

Die Glykoside (I) werden aus der Fruchtschale der in Indonesien heimischen Meliaceenart isoliert und identifiziert.
ChemInform Abstract: THE 2‐NITROPHENYLSULFENYL (NPS) GROUP FOR THE PROTECTION OF AMINO FUNCTIONS OF CYTIDINE, ADENOSINE, GUANOSINE AND THEIR 2′‐DEOXYSUGAR DERIVATIVES
Authors: HEIKKILAE J. + , BALGOBIN N. , CHATTOPADHYAYA J.
Published: May 2016

Die Nps‐ Gruppe ist eine vorteilhafte Schutzgruppe für die Aminofunktion von Nucleosidbzw.
ChemInform Abstract: α‐AMINO‐β‐BENZO‐2,1,3‐OXA(THIA, SELENA)DIAZOLYLETHYLPENICILLINS
Authors: PESIN V. G. , PAPIRNIK M. P. , OSTASHKOVA N. V.
Published: May 2016

Die Synthese der Penicilline (IV) erfolgt aus den Heterodiazolen (I) durch Umsetzung mit Phosphorpentachlorid zu (II) und Reaktion mit ö‐Aminopenicillansäure (III).
ChemInform Abstract: PREPARATION AND PROPERTIES OF NITROGEN‐CONTAINING SODIUM OXIDE‐BORON OXIDE GLASSES
Authors: FRISCHAT G. H. , KRAUSE W. , HUEBENTHAL H. +
Published: May 2016

In Na2O‐B2O3‐G asschmelzen lassen sich durch BN‐Zusatz bis zu 3.3 Gew.‐% Stickstoff einbauen (Beschreibung des Schmelzverfahrens, Strukturmodelle).
ChemInform Abstract: STRUCTURAL STUDY OF SODIUM POLYFLUOROANTIMONATE NA3SB5F18
Authors: FOURCADE R. , MASCHERPA G. , DUCOURANT B.
Published: May 2016

Für die aus dem SbF3‐ NaF‐System isolierte neue Verbindung wurde Raumgruppe P21/n und Z=4 ermittelt.
ChemInform Abstract: OXOTHORATES OF THE ALKALI METALS. POTASSIUM SODIUM OXOTHORATE (K3NATH2O6)
Authors: KROESCHELL P. , HOPPE R.
Published: May 2016

Mit der neuen Titelverbindung werden erstmals Einkristalle eines Oxothorates aus den binären Komponenten dargestellt (I. 1200°C, 4d; 2. 1300°C, 5 d; Ni‐Bömbchen).
ChemInform Abstract: PREPARATION AND STRUCTURE OF POTASSIUM GERMANIUM OXYNITRIDE (KGEON): A COMPOUND WITH A POTASSIUM‐NITROGEN BOND
Authors: GUYADER J. , JACQUET R. , MALHAIRE J. M. , ROULT G. , LAURENT Y.
Published: May 2016

KGeON (orthorhombisch, Raumgruppe Pca2,) entsteht bei der Reaktion von NH; mit K2GeO3 bei 700°C. Flugzeit‐NeuI:ronenbeugungsdaten und‐ XRD‐Profilanalyse zeigen den LiSiON‐Strukturtyp.
ChemInform Abstract: OXIDATION PRODUCTS OF INTERMETALLIC COMPOUNDS. III. LOW TEMPERATURE FORMS OF POTASSIUM OXOSTANNATE (K2SN2O3) AND RUBIDIUM OXOSTANNATE (RB2SN2O3), AND A NOTE ON POTASSIUM OXOGERMANATE (K2GE2O3)
Authors: HOPPE R. , NOWITZKI B.
Published: May 2016

Direkte Oxidation der feingepulverten intermetallischen Phasen KSn und RbSn (genaue Beschreibung von Methode und Apparatur) führt zu den bislang unbekannten TT‐Formen (III) und (V), während die bekannten HT‐Formen bei 510 bzw. 520°C entstehen.
ChemInform Abstract: Thermische Zersetzung von Blei(II)‐thiosulfat.
Authors: MAMYLOW S. G. , LOMOWSKI O. I. , BOLDYREW W. W.
Published: May 2016

Reines PbS2O3 wurde durch Austauschreaktion in wäßriger Lösung von Na2S2O3, Pb(NO3)2 und NaOH erhalten.
ChemInform Abstract: POLARIZATION OF Π‐ELECTRON SYSTEMS BY SUBSTITUENT DIPOLES AND POLES
Authors: MARRIOTT S. , TOPSOM R. D.
Published: May 2016

Die Berechnung der Polarisierung des n‐Systems z.B. in Ethylen durch HF oder NHI bestätigt eine Abhängigkeit von der Entfernung r des Dipols (l/r′) bzw. Pols (l/r′).
ChemInform Abstract: A STUDY ON THE SOLID‐SOLID PHASE TRANSITIONS OF (E)‐ AND (Z)‐9‐(BICYCLO(4.2.1)NONAN‐9‐YLIDENE)BICYCLO(4.2.1)NONANE AND SOME RELATED COMPOUNDS. ASSIGNMENT OF THE CONFIGURATION TO THE PRODUCT OF MONOEPOXIDATION OF (E)‐9‐(BICYCLO(4.2.1)NON‐3‐EN‐9‐YLIDENE)BICYCLO(4.2.1)NON‐3‐ENE BY PROTON NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY USING THE SHIFT REAGENT TRIS(1,1,1,2,2,3,3‐HEPTAFLUORO‐7,7‐DIMETHYL‐4,6‐OCTANEDIONATO)EUROPIUM
Authors: MARCOS M. , MELENDEZ E. , SERRANO J. L. , CAMPS P. , FIGUEREDO M. , JAIME C.
Published: May 2016

Die Fest‐Fest‐Phasen‐Übergänge der E‐Verbindungen (I), (III) und ihrer Z‐Isomeren (II), (IV) sowie die der Epoxide (V), (VII) bzw. ihrer Isomeren (VI), (VIII) werden anhand von Differential‐ScannenKalorimetrie‐Untersuchungen studiert.
ChemInform Abstract: X:YZH SYSTEMS AS POTENTIAL 1,3‐DIPOLES. PART 1. BACKGROUND AND SCOPE
Authors: GRIGG R. , GUNARATNE H. Q. N. , KEMP J.
Published: May 2016

Die angesprochenen 1,3‐Dipole werden in 4 Gruppen unterteilt, die sich in der Zahl der Atome mit mindestens einem einsamen Elektronenpaar unterscheiden, und die z.B. Alkene, lmine, Azoverbindungen und Triazene umfassen.
ChemInform Abstract: STRONG BASE INDUCED CYCLOADDITION OF 3‐CARBOXY‐1‐METHYLINDOLE‐2‐ACETIC ANHYDRIDE AND 2‐CARBOXYBENZO(B)FURAN‐3‐ACETIC ANHYDRIDE: SYNTHESIS OF POLYCYCLIC PERI‐HYDROXYLATED INDOLE AND BENZOFURAN COMPOUNDS
Authors: TAMURA Y. , MOHRI S. , MAEDA H. , TSUGOSHI T. , SASHO M. , KITA Y.
Published: May 2016

Das in bekannter Weise erhaltene Anhydrid (I) liefert über das Anion (II) mit Dimethylenstruktur durch Addition der Acetylene (III) die entsprechenden Verbindungen (IV).
ChemInform Abstract: Electrocyclic Aromatic Substitution by the Diazo Group. Part 4. Periselectivity Studies on the Cyclisation of 1‐Thienyl‐3‐diazoalkenes: a Route to 3H‐Thieno[1,2]diazepines.
Authors: MILLER T. K. , SHARP J. T.
Published: May 2016

Die Darstellung der gewünschten und für Weiterreaktionen benötigten Di‐thienyl‐enone (IV) gelingt, ausgehend von den Estern (I), nur im Falle der Cyclopentanonderivate (IVa) bzw. (IVb) in befriedigenden Ausbeuten; statt der entsprechenden Cyclohexanonverbindungen werden ausschließlich die offenkettigen Ester (V) erhalten.
ChemInform Abstract: SELECTIVE PROTECTION OF CARBONYL COMPOUNDS BY GIRARD′S REAGENT USING SILICA GEL AS A SOLID SUPPORT
Authors: CHIHARA T. , WANIGUCHI E. , WAKABAYASHI T. , TAYA K.
Published: May 2016

Girard′s Reagenz (I) (Girard‐T) wird mit Gemischen verschiedener Carbonylverbindungen wie Aldehyden und Ketonen zu Girard‐Derivaten umgesetzt, die dann auf Kieselgel als Träger einer Reduktion mit Tri‐tert.‐butoxyaluminiumhydrid zum entsprechenden Alkohol unterworfen werden.
ChemInform Abstract: Conversion of Alcohols into Alkyl Bromides Using Polymer‐supported Triphenylphosphine Dibromide and Polymer‐supported Triphenylphosphine and Carbon Tetrabromide.
Authors: HODGE P. , KHOSHDEL E.
Published: May 2016

Mit dem bekannten polymeren Triphenylphosphindibromid (I) und dem aus Polystyrol (II) dargestellten polymerfixierten Triphenylphosphin (V) werden die Titelreaktionen durchgeführt, wobei mit (V)/CBr4 die Umsetzungen reiner und schneller verlaufen; zum Beispiel werden die Alkohole (VI) in guten Ausb. in die Bromide (VII) umgewandelt.
ChemInform Abstract: A NOVEL, ONE‐STEP CONVERSION OF ALCOHOLS INTO ALKYL BROMIDES OR IODIDES
Authors: KAMIJO T. , HARADA H. , IIZUKA K.
Published: May 2016

Die Alkohole (I) werden durch Alkylbromide bzw. ‐iodide (III) in Gegenwart von Carbonyldiimidazol (II) in die Alkylhalogenide (IV) übergeführt.
ChemInform Abstract: DEAMINATION OF BICYCLO(2.2.2)OCTAN‐2‐YL AND BICYCLO(3.2.1)OCTAN‐2‐YLAMINES. EVIDENCE FOR CLASSICAL PRECURSORS OF NONCLASSICAL CARBONIUM IONS
Authors: MASKILL H. , WILSON A. A.
Published: May 2016

Anders als bei der Acetolyse des Sulfonats (Ic), die über das nicht‐klassische Ion (III) hauptsächlich zu Produkten vom Typ (IV) und (VI) führt, ergibt die Ethanolyse des vom Amin (Ia) abgeleiteten Nitrosocarbamats (Ib) eine‐ geringe aber deutliche Dominanz der gerüstgleichen Produkte, die auf eine Neigung zur Erhaltung seines Strukturtyps schließen läßt. Sowohl (Ib) als auch das sich analog verhaltene (IX) enthalten beide in ihrem Solvolysat Spuren des 3‐llsomers von (IVa).
ChemInform Abstract: DIBROMOCARBONYL YLIDES. DEOXYGENATION OF ALDEHYDES AND KETONES BY DIBROMOCARBENE
Authors: HUAN Z. , LANDGREBE J. A. , PETERSON K.
Published: May 2016

Aus den Aldehyden (I) erhält man bei der Behandlung mit Phenyl‐quecksilber‐tribrommethan (II) Reduktionsprodukte unter Eliminierung von CO.
ChemInform Abstract: THE EFFECTS OF SUBSTITUENTS ON THE RATE OF SAPONIFICATION OF BIPHENYL‐4‐CARBOXYLATES
Authors: ANANTHAKRISHNANADAR P. , KANNAN N.
Published: May 2016

Für die Verseifung der Ester (I) in MethanoI/Wasser (85 : I5) werden die Geschwindigkeitskonstanten 2. Ordnung bestimmt und die Aktivierungsparameter errechnet.
ChemInform Abstract: NEW SYNTHETIC METHODS. 10. β‐KETO SULFONES AS ETHYLENE CARBANION EQUIVALENTS: THE SYNTHESIS OF UNSATURATED CARBOXYLIC ACIDS
Authors: SCHOLZ D.
Published: May 2016

Cycloalkanonsulfone (II) werden durch direkte Oxidation der Sulfide (I) dargestellt; die Verbindungen (III)‐(V) werden analog erhalten.
ChemInform Abstract: Reactions Between Enaminones and Enones. Part 2. Alkylation of Enaminones with Acrylic Esters.
Authors: GREENHILL J. V. , MOTEN M. A. , HANKE R.
Published: May 2016

In Abhängigkeit von den Reaktionsbedingungen reagiert das vinyloge Amid (III) mit Acrylsäureestern (II) zu den β‐Alaninestern (I) bzw. zu dem Amid (IV).
ChemInform Abstract: INVESTIGATIONS IN THE CYCLOBUTANE SERIES. LV. REGIO‐ AND STEREOSELECTIVE BROMINE ADDITION TO 2‐CHLORO‐ENDO‐BENZOCYCLOBUTENONORBORNENE
Authors: GHENCIULESCU A. , GHEORGHIU M. D. , ENESCU L. , DINULESCU I. G. , AVRAM M.
Published: May 2016

Das aus Tri Chlorbenzocyclobutan (I) entstehende Chlorbenzocyclobuten wird mit Cyclopentadien (II) in das Cycloaddukt (III) übergeführt, aus dem selektiv die Bromverbindung (IVa) gebildet wird.
ChemInform Abstract: THE VON BRAUN REACTION BETWEEN N‐TERT‐BUTYLAMIDES AND PHOSPHORUS OXYCHLORIDE. A CONVENIENT NITRILE SYNTHESIS
Authors: PERNI R. B. , GRIBBLE G. W.
Published: May 2016

Die tert.‐Butylamide (III) werden durch Phosphoroxychlorid in die Nitrile (IV) übergefühn.
ChemInform Abstract: Asymmetric Synthesis of Protected α‐Hydroxyaldehydes via Reduction of α‐Arylthio‐β‐oxosulphoxides.
Authors: GUANTI G. , NARISANO E. , PERO F. , BANFI L. , SCOLASTICO C.
Published: May 2016

Unterschiedliche Gemische der Sulfoxide (Ia)/(IIa) und (Ib)/(IIb) werden verschiedenen Reduktionsbedingungen unterworfen.
ChemInform Abstract: SYNTHESIS, STRUCTURE, AND SPECTRAL BEHAVIOR OF DONOR‐ACCEPTOR SUBSTITUTED BIPHENYLS
Authors: EFFENBERGER F. , AGSTER W. , FISCHER P. , JOGUN K. H. , STEZOWSKI J. J. , DALTROZZO E. , KOLLMANNSBERGER‐VON NELL G.
Published: May 2016

Die Ergebnisse zahlreicher Kondensationsreaktionen zwischen den basisch substituierten lodbenzolen (IV) und dlen Nitro‐Aromaten (IX) zu den unsymmetrisch aufgebauten Diphenyl‐Derivaten (X) sind in einer Tabelle zusammengestellt, wobei die Ausbeuten wesentlich durch die Substituenten bestimmt werden.
ChemInform Abstract: IMPROVEMENT OF THE PROCESS FOR DIPHENYLACETIC ACID PRODUCTION
Authors: VORONINA G. V. , TIKHONOVA S. V. , YUREVICH V. P.
Published: May 2016

Diphenylessigsäure (II) wird industriell durch Reduktion von trockener Benzilsäure (I) mit Eisenspänen und HCl in Essigsäure hergestellt.
ChemInform Abstract: REDUCTIVE METHYLATION OF NAPHTHOIC ESTERS
Authors: BASU B. , MUKHERJEE D.
Published: May 2016

Durch Reduktion der Naphthoesäureester (I) mit Natrium in flüssigem Ammoniak und anschließende Methylierung erhält man die Dihydronaphthaline (II), deren Hydrierung die Tetraline (III) ergibt.
ChemInform Abstract: STEREOSELECTIVITY OF DIENE‐TRANSMISSIVE DIELS‐ALDER REACTION; CYCLOADDITION REACTION OF CROSS‐CONJUGATED TRIENE SYSTEM TO OLEFINIC DIENOPHILES
Authors: TSUGE O. , WADA E. , KANEMASA S.
Published: May 2016

Das Benzyliden‐bis‐(trimethylsilyloxy)‐1,4‐pentadien (I) reagiert mit den Maleinimiden (II) über das Mono‐ (III) und das IBis‐Addukt (IV) zu Gemischen der Verbindungen (V)‐(VII).
ChemInform Abstract: Synthesis of Spin‐labeled Analogs of Dihydroxyaminoalkylaminoanthraquinone.
Authors: MATHEW A. E. , CHERG C. C.
Published: May 2016

Aus dem Leuco‐tetrahydroxy‐anthrachinon (I) erhält man mit dem 4‐Amino‐tetramethylpiperidin (II) das Kondensationsprodukt (III), das nach Dehydrierung zu (V) mit Persäure zum Derivat (VI) reagiert.
ChemInform Abstract: A NEW SYNTHESIS OF α‐METHYLENE LACTONES
Authors: MURRAY A. W. , REID R. G.
Published: May 2016

Die aus den Lactonen (I) hergestellten Enolate (II) reagieren in siedenden Lösungsmitteln wie THF, THF/HMPA bzw. Dioxan/HMPA mit Aldehyden unter Spaltung zu den Methylenlactonen (III) und (IV).
ChemInform Abstract: SYNTHESIS AND STEREOCHEMICAL STUDIES ON THE REDUCTIONS OF SOME PYRROLE DERIVATIVES
Authors: BHATTACHARYA S. , MANDAL A. N. , CHAUDHURI S. R. R. , CHATTERJEE A.
Published: May 2016

Während die Na‐boranat‐Reduktion (und die katalytische Hydrierung) der Heterotricyclen (Ia)‐(Id) ausschließlich die entsprechenden trans‐Amine (III) liefert [die Verbindung (II) reagiert analog], werden aus (Ia), (Id) bei der Reduktion mit Na/fl. NH, Gemische der trans‐ [(IIIa), (IIId)] und cis‐Amine (IV) erhalten.
ChemInform Abstract: 1,3‐DIPOLAR CYCLOADDITION LEADING TO N‐ACYLATED PYRROLIDINES AND 2,5‐DIHYDROPYRROLES
Authors: ACHIWA K. , MOTOYAMA T. , SEKIYA M.
Published: May 2016

Aus der Schiffschen Base (I) erhält man in Gegenwart von Säurechloriden (II) und Acetylencarbonsäureestern (III) die Pyrroline (IV) und z.Tl. auch Imidazol‐ idine (V).
ChemInform Abstract: 3′‐ARYLSPIRO(ISOBENZOFURAN‐1(3H),5′(4′H)‐ISOXAZOL)‐3‐ONES AND THEIR CONVERSION TO 2‐(3‐ARYLISOXAZOL‐5‐YL)BENZOATES
Authors: LIU K.‐C. , HOWE R. K.
Published: May 2016

Aus der 2‐Acetyl‐benzoesäure (I) erhält man nach einem verbesserten Verfahren mit Thionylchlorid das Methylenphthalid (II), das mit den aus Hydroxamoylchloriden (III) und Triethylamin erhaltenen Nitriloxi‐ den zu den Spirocyclen (IV) führt.
ChemInform Abstract: NEW DERIVATIVES OF 1,2‐BENZOISOTHIAZOLINE‐3‐THIONE WITH ANTIMYCOTIC ACTIVITY
Authors: BORGNA P. , VICARINI L. , CARMELLINO M. L. , PAGANI G.
Published: May 2016

Das, Disulfid (I) reagiert mit Phosphorpentasulfid zum Benzodithioltlhion (II), aus welchem mit Aminen (III) die Benzisothiazolin‐thione (IV) erhalten werden.
ChemInform Abstract: SYNTHESIS OF NEW DERIVATIVES OF 3‐BENZYL‐1,2‐BENZISOTHIAZOLE AND STUDIES ON THEIR ANALGESIC ACTIVITIES IN MICE
Authors: MORINI G. , IMPICCIATORE M. , BORDI F. , PLAZZI P. V. , VITTO M.
Published: May 2016

Die Aoetonitrile (I) reagieren :mit ChIor‐benzisothiazol (II) zu den Benzyl‐benzisothiazolen (III), die nach Verseifung und Decarboxylierung die Benzyl‐benzisothiazole (IV) ergeben.
ChemInform Abstract: STUDIES ON HYPOLIPIDEMIC AGENTS. I. SYNTHESIS AND PHARMACOLOGICAL PROPERTIES OF NICOTINIC ACID‐ETHANOLAMINE DERIVATIVES
Authors: SEKI K. , YAMASHITA T. , ISEGAWA J. , FUKUDA M. , SHIMAMURA H. , OHKI M.
Published: May 2016

Aus dem Nicotinsäurechlorid (I).
ChemInform Abstract: CHEMISTRY OF HYDROXAMIC ACIDS. 10. A CONVENIENT REARRANGEMENT OF 4‐QUINOLINECARBOHYDROXAMIC ACID
Authors: ECKSTEIN Z. , LIPCZYNSKA‐KOCHANY E. , LESZCZYNSKA E.
Published: May 2016

Die Titelverbindung (I) wurde entsprechend einer Variante des Hydroxamsäurea Isocyanat‐Abbaus nach Lossen umgelagert.
ChemInform Abstract: METHYLTHIO ACTIVATING GROUPS IN THE SYNTHESIS OF ISOQUINOLINES
Authors: EUERBY M. R. , WAIGH R. D.
Published: May 2016

Isochinoline und hydrierte Isochinoline erhält man wie im Formelschema skizziert aus entsprechenden Methylthio‐substituierten Verbindungen durch geeignete Ringschlußreaktionen.
ChemInform Abstract: REACTIONS OF GLUTACONIC AND HOMOPHTHALIC ANHYDRIDES WITH IMIDATES, IMIDOYL CHLORIDES, AND 1‐CHLOROISOQUINOLINE
Authors: STANOEVA E. , HAIMOVA M. , OGNYANOV V.
Published: May 2016

Glutaconsäureanhydrid (III) reagiert mit den lmidoylchloriden (II) zu den Aminomethylenverbindungen (I) bzw. mit Chlorisochinolin (IV) zu dem Chinolizinon (V).
ChemInform Abstract: The Design and Synthesis of New Triazolo, Pyrazolo‐, and Pyridazo‐pyridazine Derivatives as Inhibitors of Angiotensin Converting Enzyme.
Authors: HASSALL C. H. , KROEHN A. + , MOODY C. J. , THOMAS W. A.
Published: May 2016

Die bicyclischen Systeme (IVe), (Vc), (XIIa)‐(XIIc), (XVa), (XVb) und (XVI) werden als Analoge des ACE ("Angiotensin Converting Enzyme")‐Inhibitors Captopril synthetisiert: 1. Die Oxidationsprodukte (IIb) der aus den Vorstufen (I) erhältlichen Triazolidindione (IIa) werden über die Stufen (IVa), (IVb)→(IVc), (IVd) in (IVc) übergeführt.
ChemInform Abstract: REARRANGEMENT OF 4‐ACETOXY‐2H‐1,4‐BENZOXAZIN‐3(4H)‐ONE
Authors: HASHIMOTO Y. , ISHIZAKI T. , SHUDO K. , OKAMOTO T,
Published: May 2016

In Abhängigkeit von den Reaktionsbedingungen erhält man bei der Umlagerung des 4‐Acetoxy‐2H‐I ,4‐ benzoxazinons (I) die Acetate (II), (III), (IV) und (VI) bzw. das.
ChemInform Abstract: PYRIMIDINE AND TRIAZINE 3‐OXIDE SULFATES: A NEW FAMILY OF VASODILATORS
Authors: MCCALL J. M. , AIKEN J. W. , CHIDESTER C. G. , DUCHARME D. W. , WENDLING M. G.
Published: May 2016

Die N‐Oxide (I) werden in die heterocyclischen O‐Sulfate (II) übergeführt.
ChemInform Abstract: Some Oxygen‐donor Di‐N‐thiocyanato‐thorium(IV) and ‐uranium(IV) Bis[hydrotris‐(pyrazol‐1‐yl)borat] Complexes.
Authors: AHMED I. , BAGNALL K. W. , LI X. , PAO P.
Published: May 2016

Die Komplexe (I) wurden durch Eindampfen des Filtrats der Reaktion der Metallchloride mit stöchiometrischen Mengen des festen K‐tris‐[pyrazolyl]‐hydridoborats und KNCS in THF in Gegenwart des entsprechenden Liganden im Überschuß dargestellt und durch IR‐ und Elektronen‐Spektren charakterisiert.
ChemInform Abstract: MULTISTEP REVERSIBLE REDOX SYSTEMS. XXXIV. POLYENES AS FOUR‐STEP REDOX SYSTEMS: SYNTHESIS AND SPECTROSCOPY
Authors: HAGENBRUCH B. , HUENIG S. +
Published: May 2016

Die Pentaene (II) lassen sich aus den Ketonen (I) synthetisieren.
ChemInform Abstract: GENERAL METHOD OF SYNTHESIS OF CYCLOPENTANOID TERPENIC ACIDS. STEREOCONTROLLED TOTAL SYNTHESES OF (.+‐.)‐ISOCOMENIC ACID AND (.+‐.)‐EPIISOCOMENIC ACID
Authors: SHORT R. P. , REVOL J.‐M. , RANU B. C. , HUDLICKY T.
Published: May 2016

Aus dem Aldehyd (I) bzw. dem Keton (III) wird das Cyclopentyl‐essigsäure‐Derivat (II) hergestellt, das über (IV) mit dem 4‐Bromcrotonsäureester (V) zu (VI) und (VII) führt.
ChemInform Abstract: Stereoselective Synthesis of Plant Growth‐promoting Steroids, Brassinolide, Castasterone, Typhasterol, and Their 28‐Nor Analogues.
Authors: TAKATSUTO S. , YAZAWA N. , ISHIGURO M. , MORISAKI M. , IKEKAWA N.
Published: May 2016

Die Synthese der Titelverbindungen (Xa) (Castasteron), (Xb) (Brassinon), (XIc) (Brassinolid), (XId) (Norbrassinolid) bzw. Typhasterol (XIII) geht vom Aldehyd (I) aus, der zunächst über die angegebenen Stufen in das Steroid (VId) übergeführt wird.
ChemInform Abstract: STEREO‐ AND REGIO‐SELECTIVITY OF DIETHYLAMINOSULFUR TRIFLUORIDE AS A FLUORINATING REAGENT FOR METHYL GLYCOSIDES
Authors: SOMAWARDHANA C. W. , BRUNNGRABER E. G.
Published: May 2016

Methylglycoside wie (1) reagieren in Abwesenheit von Lösungsmitteln mit dem Schwefelfluorid (II) zu den fluorierten Glycosiden.
ChemInform Abstract: D‐Ribofuranosyl Azides. A Direct Conversion of 1‐O‐Acyl‐2,3‐O‐isopropylidene‐D‐ribofuranose into D‐Ribofuranosyl Azides.
Authors: LOGUE M. W. , HAN B. H.
Published: May 2016

Die Reaktion des Ribofuranosylacetats (I) mit dem Silylazid (II) in Gegenwart verschiedener Lewis‐Säuren ergibt einheitlich die β‐Ribofuranosylazide (III).
ChemInform Abstract: SYNTHESIS OF METHYL 2,3‐O‐D‐GLYCOPYRANOSYLIDENE‐α‐D‐MANNOPYRANOSIDES HAVING VARIOUS SUBSTITUTENTS
Authors: YOSHIMURA J. , ASANO K. , UMEMURA K. , HORITO S. , HASHIMOTO H.
Published: May 2016

Die Umsetzung der Iactone (I), (II) bzw. (III) mit den Bis‐silylethern (IV) führt zu Gemischen der diastereomeren Spiroorthoester (V), (VI) bzw. (VII).
ChemInform Abstract: SYNTHESIS OF NUCLEOSIDES SUBSTITUTED AT C‐5 BY A CARBOCYCLE OR A HETEROCYCLE THROUGH THE ORGANOPALLADIUM‐CATALYZED COUPLING OF ORGANOZINC COMPOUNDS WITH 5‐IODO‐3′,5′‐O‐BIS(TRIMETHYLSILYL)‐2′‐DEOXYURIDINE
Authors: VINCENT P. , BEAUCOURT J. P. , PICHAT L.
Published: May 2016

Die Heterocyclen bzw. Carbocyclen (Ia) werden nach Lithiierung zu (Ib) in die Organo‐Zinkverbindungen (Ic) übergeführt.
ChemInform Abstract: Stability of B12(CN)122‐: Implications for Lithium and Magnesium Ion Batteries.
Authors: Zhao Hongmin , Zhou Jian , Jena Puru
Published: May 2016

DFT calculations are used to calculate the binding energies of the second electron of the closo‐borane B12H122‐ and B12(CN)122‐.
ChemInform Abstract: Beyond the Halogen Bond: Examining the Limits of Extended Polybromide Networks Through Quantum‐Chemical Investigations.
Authors: Easton Max E. , Chan Bun , Masters Anthony F. , Radom Leo , Maschmeyer Thomas
Published: May 2016

Reaction energies at 0 K for the association of Br‐ + 0.5(n‐1)Br2 → [Brn]‐ are determined by DFT calculations on the BMK‐D3BJ/6‐311 + G(3df,2p)//B3‐LYP/def2‐SVP level.
ChemInform Abstract: Structure and Composition of the 200 K‐Superconducting Phase of H2S at Ultrahigh Pressure: The Perovskite (SH‐)(H3S+).
Authors: Gordon Elijah E. , Xu Ke , Xiang Hongjun , Bussmann‐Holder Annette , Kremer Reinhard K. , Simon Arndt , Koehler Juergen , Whangbo Myung‐Hwan
Published: May 2016

At ultrahigh pressure (<110 GPa), H2S is converted into a metallic phase that becomes superconducting with a Tc of ≈200 K.
ChemInform Abstract: Bidenticity‐Enhanced Second Harmonic Generation from Pb Chelation in Pb3Mg3TeP2O14.
Authors: Yu Hongwei , Zhang Weiguo , Young Joshua , Rondinelli James M. , Halasyamani P. Shiv
Published: May 2016

The new UV nonlinear optical title material is prepared by solid state reaction of a stoichiometric mixture of PbO, MgO, H2TeO4·2H2O, and NH4H2PO4 (Pt plate, 400 °C for 20 h followed by 850 °C for 5 d).
ChemInform Abstract: Green Preparation of Novel Heptafluo‐Zirconate/Hafnate Nanocrystals at Ambient Temperature.
Authors: He Xianghong , Cao Jinxin , Hu Ziyi
Published: May 2016

The fabrication of nanocrystalline A3MF7 (A: K, Na; M: Zr, Hf) is exemplified with Na3ZrF7 starting with a solution of sodium oleate, oleylamine, oleic acid, and ethanolic ZrOCl2 to which an aqueous solution of NH4F and NaF is slowly added (25 °C, 12 h; 83% yield).
ChemInform Abstract: Alkali Metal Bismuth(III) Chloride Double Salts.
Authors: Kelly Andrew W. , Nicholas Aaron , Ahern John C. , Chan Benny , Patterson Howard H. , Pike Robert D.
Published: May 2016

Evaporative co‐crystallization of MCl (M: Na, K, Rb, Cs) with BiOCl in aqueous HCl and various molar ratios yields the double salts MxBiyCl(x+3y)·zH2O.
ChemInform Abstract: Synthesis and Characterization of the Rubidium Thiophosphate Rb6(PS5)(P2P10) and the Rubidium Silver Thiophosphates Rb2AgPS4, RbAg5(PS4)2 and Rb3Ag9(PS4)4.
Authors: Alahmari Fatimah , Davaasuren Bambar , Khanderi Jayaprakash , Rothenberger Alexander
Published: May 2016

The title compounds are characterized by single crystal XRD, Raman spectroscopy, and UV/VIS diffuse reflectance measurements.
ChemInform Abstract: A Steric Tethering Approach Enables Palladium‐Catalyzed C—H Activation of Primary Amino Alcohols.
Authors: Calleja Jonas , Pla Daniel , Gorman Timothy W. , Domingo Victoriano , Haffemayer Benjamin , Gaunt Matthew J.
Published: May 2016

The amino alcohols are applied as tethered N,O‐ketals, e.
ChemInform Abstract: A Catalyst Designed for the Enantioselective Construction of Methyl‐ and Alkyl‐Substituted Tertiary Stereocenters.
Authors: Claraz Aurelie , Sahoo Gokarneswar , Berta Denes , Madarasz Adam , Papai Imre , Pihko Petri M.
Published: May 2016

A series of 4‐arylated diarylprolines is designed.
ChemInform Abstract: Asymmetric Allylic Alkylation of β‐Ketoesters with Allylic Alcohols by a Nickel/Diphosphine Catalyst.
Authors: Kita Yusuke , Kavthe Rahul D. , Oda Hiroaki , Mashima Kazushi
Published: May 2016

30 examples
ChemInform Abstract: Asymmetric α‐Amination of β‐Keto Esters Using a Guanidine—Bis‐urea Bifunctional Organocatalyst.
Authors: Odagi Minami , Yamamoto Yoshiharu , Nagasawa Kazuo
Published: May 2016

A highly enantioselective amination of β‐keto esters with azodicarboxylate affords the corresponding α‐amination products in excellent yields and with an enantiomeric excess of up to 94%.
ChemInform Abstract: Iodine‐Promoted Radical Cyclization in Water: A Selective Reaction of 1,6‐Enynes with Sulfonyl Hydrazides.
Authors: Zheng Lan , Zhou Zhao‐Zhao , He Yu‐Tao , Li Lian‐Hua , Ma Jun‐Wei , Qiu Yi‐Feng , Zhou Ping‐Xin , Liu Xue‐Yuan , Xu Peng‐Fei , Liang Yong‐Min
Published: May 2016

This new cyclization process proceeds in water under metal‐free conditions to afford a series of sulfonylated products in good yields with C—S and C—I bond formation in one step.
ChemInform Abstract: Use of Planar Chiral Ferrocenylphosphine‐Gold(I) Complexes in the Asymmetric Cycloisomerization of 3‐Hydroxylated 1,5‐Enynes.
Authors: Wu Zhiyong , Retailleau Pascal , Gandon Vincent , Voituriez Arnaud , Marinetti Angela
Published: May 2016

Planar chiral ferrocenylphosphines give very active gold catalysts for the asymmetric cycloisomerization of 3‐hydroxy‐1,5‐enynes into bicyclo[3.1.0]hexones.
ChemInform Abstract: Synthesis of 3‐Substituted 2‐Indolinones by a Multicomponent Coupling Isocyanide‐Dependent Microwave‐Assisted Intramolecular Transamidation Process.
Authors: Maddirala Amarendar Reddy , Andreana Peter R.
Published: May 2016

The reaction outcome depends on the steric effect of the amide group, which is controlled by the size of the isocyanide used in the preparation of the starting materials via Ugi four component reaction (not shown).
ChemInform Abstract: Hydrogenolysis of 1‐Alkoxybenzocyclobutenes with Site‐Selective Cleavage of the Sterically Hindered C(sp2)—C(sp3) Bond.
Authors: Sawano Shota , Ishida Naoki , Murakami Masahiro
Published: May 2016

A new catalytic C—C bond cleavage reaction of benzocyclobutene derivatives under heterogeneous conditions is described.
ChemInform Abstract: Tandem C—C Bond Cleavage of Cyclopropanols and Oxidative Aromatization by Manganese(IV) Oxide in a Direct C—H to C—C Functionalization of Heteroaromatics.
Authors: Bume Desta Doro , Pitts Cody Ross , Lectka Thomas
Published: May 2016

Manganese dioxide is used as a dual role reagent for both C—C bond cleavage of cyclopropanols and rearomatization following C—C bond formation in the alkylation of electron‐deficient heterocycles.
ChemInform Abstract: Intermolecular Cyclopropanation of Styrenes Using Iodine and Visible Light via Carbon—Iodine Bond Cleavage.
Authors: Usami Kaoru , Nagasawa Yoshitomo , Yamaguchi Eiji , Tada Norihiro , Itoh Akichika
Published: May 2016

The metal‐free reaction tolerates various styrene derivatives including α‐ and β‐substituted analogues, but no aliphatic olefins.
ChemInform Abstract: Fluorination of α,β‐Unsaturated Carbonyl Compounds Using Elemental Fluorine.
Authors: Vints Inna , Rozen Shlomo
Published: May 2016

In contrast to other halogens, the addition of fluorine to alkenes occurs as a syn addition.
ChemInform Abstract: Ohmic Heating and Ionic Liquids in Combination for the Indium‐Promoted Synthesis of 1‐Halo Alkenyl Compounds: Applications to Pd‐Catalyzed Cross‐Coupling Reactions.
Authors: Soengas Raquel G. , Silva Vera L. M. , Pinto Joana , Rodriguez‐Solla Humberto , Silva Artur M. S.
Published: May 2016

The indium‐promoted dehalogenation of gem‐dibromo alkenes and the reductive elimination of chlorohydrins under ohmic heating in an ionic liquid is studied.
ChemInform Abstract: Organocatalytic Enantioselective Vinylogous Aldol Reaction of Allyl Aryl Ketones to Activated Acyclic Ketones.
Authors: Jing Zhenzhong , Bai Xiangbin , Chen Wenchao , Zhang Gao , Zhu Bo , Jiang Zhiyong
Published: May 2016

Conditions for the title reaction between allyl‐aryl and allyl‐alkyl ketones with a diverse range of trifluoromethyl ketones, α‐ketoesters, and α‐keto phosphonates to form aldol adducts with high enantiomeric excesses are described.
ChemInform Abstract: Hydroalkylation of Alkenes Using Alkyl Iodides and Hantzsch Ester under Palladium/Light System.
Authors: Sumino Shuhei , Ryu Ilhyong
Published: May 2016

The novel protocol for a tin‐free Giese reaction is successfully performed using a variety of alkenes, including α,β‐unsaturated esters and substituted derivatives thereof, acrylonitrile, phenyl vinyl sulfone and ketones, while tolerating primary, secondary, and tertiary alkyl iodides.
ChemInform Abstract: Nickel‐Catalyzed Allylic Alkylation with Diarylmethane Pronucleophiles: Reaction Development and Mechanistic Insights.
Authors: Sha Sheng‐Chun , Jiang Hui , Mao Jianyou , Bellomo Ana , Jeong Soo A. , Walsh Patrick J.
Published: May 2016

Selective mono‐ and di‐allylation reactions of diarylmethanes (I) and (VI), fluorene (XIII), and xanthene (XVI) are reported.
ChemInform Abstract: New Metathesis Catalyst Bearing Chromanyl Moieties at the N‐Heterocyclic Carbene Ligand.
Authors: Hryniewicka Agnieszka , Suchodolski Szymon , Wojtkielewicz Agnieszka , Morzycki Jacek W , Witkowski Stanislaw
Published: May 2016

A new type of Hoveyda—Grubbs 2nd generation catalyst bearing a modified N‐heterocyclic carbene ligand with chromanyl moieties is synthesized.
ChemInform Abstract: Copper‐Catalyzed Double Additions and Radical Cyclization Cascades in the Re‐Engineering of the Antibacterial Pleuromutilin.
Authors: Ruscoe Rebecca E. , Fazakerley Neal J. , Huang Huanming , Flitsch Sabine , Procter David J.
Published: May 2016

A general synthetic strategy to access novel tricyclic scaffolds inspired by the antibacterial pleuromutilin is developed.
ChemInform Abstract: Diastereoselective Ugi Reaction of Chiral 1,3‐Aminoalcohols Derived from an Organocatalytic Mannich Reaction.
Authors: Caputo Samantha , Basso Andrea , Moni Lisa , Riva Renata , Rocca Valeria , Banfi Luca
Published: May 2016

Enantiomerically pure β‐amino alcohols undergo Ugi reactions under classic or Lewis‐acid‐promoted conditions to give polyfunctionalized peptidomimetics with moderate to good diastereoselectivities.
ChemInform Abstract: Chemo‐ and Regioselective Reductive Transposition of Allylic Alcohol Derivatives via Iridium or Rhodium Catalysis.
Authors: Lundgren Rylan J. , Thomas Bryce N.
Published: May 2016

New catalytic strategies for the mild and selective reductive transposition of allylic alcohol derivatives employing Ir‐ or Rh‐based catalysts are developed.
ChemInform Abstract: Pd(II)‐Catalyzed Alkylation of Tertiary Carbon via Directing‐Group‐Mediated C(sp3)—H Activation: Synthesis of Chiral 1,1,2‐Trialkyl Substituted Cyclopropanes.
Authors: Hoshiya Naoyuki , Takenaka Kei , Shuto Satoshi , Uenishi Jun'ichi
Published: May 2016

The reaction succeeds effectively using a range of functionalized alkyl iodides and bromides and provides interesting chiral 1,1,2‐trialkyl substituted cyclopropane derivatives for medicinal chemistry.
ChemInform Abstract: Amination—Oxidation Strategy for the Copper‐Catalyzed Synthesis of Monoarylamines.
Authors: Thomas Christopher , Wu Marvin , Billingsley Kelvin L.
Published: May 2016

This novel approach towards the synthesis of monoarylamines proceeds in the presence of a metal source and incorporates a stable ammonia surrogate, obviating the need for a special experimental setup or handling of ammonia reagents.
ChemInform Abstract: Synthesis of α‐Diazo‐β‐keto Esters, Phosphonates and Sulfones via Acylbenzotriazole‐Mediated Acylation of a Diazomethyl Anion.
Authors: Pramanik Mukund M. D. , Rastogi Namrata
Published: May 2016

The scalable reaction tolerates variously functionalized aromatic and aliphatic acylbenzotriazoles.
ChemInform Abstract: Palladium(II)‐Catalyzed Synthesis of Sulfinates from Boronic Acids and DABSO: A Redox‐Neutral, Phosphine‐Free Transformation.
Authors: Deeming Alex S. , Russell Claire J. , Willis Michael C.
Published: May 2016

A direct or two‐step one‐pot process for the coupling of boronic acids or aromatic BF3K salts with DABSO as SO2 source is developed to give sulfinic acid intermediates which react with alkyl bromides or a variety of carbon and nitrogen electrophiles to give unsymmetrical sulfones and sulfonamides.
ChemInform Abstract: One‐Pot Synthesis of Tetralin Derivatives from 3‐Benzoylpropionic Acids: Indium‐Catalyzed Hydrosilylation of Ketones and Carboxylic Acids and Intramolecular Cyclization.
Authors: Sakai Norio , Kobayashi Taichi , Ogiwara Yohei
Published: May 2016

An In(O‐Ac)3—Ph‐SiHMe2 system simultaneously promotes the hydrosilylation of the ketone and carboxylic acid functionality in 3‐benzoylpropionic acids as well as the subsequent intramolecular cyclization of the iodinated intermediate formed furnishing tetralin derivatives in good to excellent yields.
ChemInform Abstract: Rhodium‐Catalyzed [4 + 3] Cycloaddition to Furans: Direct Access to Functionalized Bicyclo[5.3.0]decane Derivatives.
Authors: Krainz Tanja , Chow Sharon , Korica Natasa , Bernhardt Paul V. , Boyle Glen M. , Parsons Peter G. , Davies Huw M. L. , Williams Craig M.
Published: May 2016

A novel access to fused 5/7 ring systems through rhodium‐catalyzed [4 + 3] cycloaddition of mono‐ and disubstituted furans to cyclic donor‐acceptor diazocarboxylate (II) is described.
ChemInform Abstract: Regioselectivities in Fe(III)‐Catalyzed Cycloisomerization Reactions of γ‐Allenyl Alcohols.
Authors: Kim Jae Hyung , Kim Seung Wook , Jung Min Seok , Ahn Kwang‐Hyun , Kang Eun Joo
Published: May 2016

Tetrahydrofurans are prepared by intramolecular hydroalkoxylation of allenes via regioselective 5‐exo cyclization.
ChemInform Abstract: Rhodium(III)‐Catalyzed Intramolecular Ar—H/Ar—H Coupling Directed by Carboxylic Group to Produce Dibenzofuran Carboxylic Acids.
Authors: Okada Takeshi , Unoh Yuto , Satoh Tetsuya , Miura Masahiro
Published: May 2016

Dibenzofuran derivatives and related tetra‐ and pentacyclic frameworks can be readily obtained by Rh‐catalyzed dehydrogenative cyclization of corresponding 3‐aryloxybenzoic acids.
ChemInform Abstract: Selective Synthesis of Functionalized Pyrroles from 3‐Aza‐1,5‐enynes.
Authors: Zhao Yingying , Wang Haolong , Li Xincheng , Wang Dongping , Xin Xiaoyi , Wan Boshun
Published: May 2016

Efficient cyclization strategies for the synthesis of functionalized 2‐trifluoromethyl‐5‐(arylsulfonyl) methyl pyrroles, 2‐trifluoromethyl‐4‐(arylsulfonyl) methyl pyrroles, and alkylvinyl pyrroles from the versatile azaenynes are developed.
ChemInform Abstract: One‐Pot Facile Synthesis of Water‐Soluble Cationic Aluminum(III) Porphyrins in a Unique Heterogeneous System at Ambient Temperature.
Authors: Mathew Siby , Kuttassery Fazalurahman , Yamamoto Daisuke , Onuki Satomi , Nabetani Yu , Tachibana Hiroshi , Inoue Haruo
Published: May 2016

Water‐soluble cationic porphyrinatoaluminum(III) is synthesized by a novel one‐pot reaction between the parent free‐base porphyrin and trimethyl aluminum in a heterogeneous system at ambient temperature.
ChemInform Abstract: Cyanomethylation of Alkenes with C—H Bond Activation of Acetonitrile: In situ Generated Diazonium Salts as Promoters Without Transition‐Metals.
Authors: Ni Zhangqin , Huang Xin , Wang Jichao , Pan Yuanjiang
Published: May 2016

The operationally simple method provides variously functionalized oxindoles in moderate to high yields.
ChemInform Abstract: Synthesis of New Highly Substituted and Hindered 1‐Hydroxyindole‐2‐carboxylates.
Authors: Park Yeon Kyeong , Kim Hyejin , Lee Sang Hyup
Published: May 2016

On treatment with aliphatic alcohols, thiols, or thiocarboxylates, the reductive cyclization of substrates (II) or (VI) in the presence of tin(II) chloride affords the title compounds in good to modest yields.
ChemInform Abstract: Photocatalyst‐Free Hypervalent Iodine Reagent Catalyzed Decarboxylative Acylarylation of Acrylamides with α‐Oxocarboxylic Acids Driven by Visible‐Light Irradiation.
Authors: Ji Wangqin , Tan Hui , Wang Min , Li Pinhua , Wang Lei
Published: May 2016

According to mechanistic studies, the reaction undergoes a cascade decarboxylative radical addition/cyclization process with releasing CO2 and H2.
ChemInform Abstract: TBAI/TBHP‐Catalyzed [3 + 2]Cycloaddition/oxidation/Aromatization Cascade and Online ESI‐MS Mechanistic Studies: Synthesis of Pyrrolo[2,1‐a]isoquinolines and Indolizino[8,7‐b]indoles.
Authors: Nekkanti Shalini , Kumar Niggula Praveen , Sharma Pankaj , Kamal Ahmed , Nachtigall Fabiane M. , Forero‐Doria Oscar , Santos Leonardo S. , Shankaraiah Nagula
Published: May 2016

In the reaction of 3,4‐dihydroquinoline (IX) an aromatization is observed which does not take place using isoquinolines.
ChemInform Abstract: Robust Zinc Complexes that Contain Pyrrolidine‐Based Ligands as Recyclable Catalysts for the Synthesis of Cyclic Carbonates from Carbon Dioxide and Epoxides.
Authors: Mercade Elisabet , Zangrando Ennio , Claver Carmen , Godard Cyril
Published: May 2016

The shown complex (ZNC) provides the best yields.
ChemInform Abstract: A Convenient Phosphine‐Free Palladium‐Catalyzed Direct Arylation of Thiazole under Mild Aerobic Conditions.
Authors: He Xiao‐Xi , Li Yan‐Fang , Huang Ju , Shen Dong‐Sheng , Liu Feng‐Shou
Published: May 2016

The catalytic activity of a series of synthesized bulky amine palladium complexes is evaluated in the direct C—H arylation of thiazoles with aryl bromides under aerobic conditions.
ChemInform Abstract: C—H Arylation Using Acyl Thiourea Ligands: Applications in the Synthesis of 3,6‐Diaryl‐[1,2,4]triazolo[3,4‐b][1,3,4]thiadiazoles.
Authors: Saeed Aamer , Channar Pervaiz Ali , Iqbal Qasir , Mahar Jamaluddin
Published: May 2016

An efficient and convenient phosphine‐free C‐arylation of triazolothiadiazoles (I) using a Pd/thiourea catalyst system is developed.
ChemInform Abstract: An Efficient One‐Pot Protocol for the Conversion of Benzaldehydes into Tetrazole Analogues.
Authors: Khan Khalid Mohammed , Fatima Itrat , Saad Syed Muhammad , Taha Muhammad , Voelter Wolfgang
Published: May 2016

A tandem transformation of benzaldehydes affords 5‐phenyltetrazoles via non‐isolated oxime and nitrile intermediates.
ChemInform Abstract: Nano‐Zirconia as an Excellent Nano Support for Immobilization of Sulfonic Acid: A New, Efficient and Highly Recyclable Heterogeneous Solid Acid Nanocatalyst for Multicomponent Reactions.
Authors: Amoozadeh Ali , Rahmani Salman , Bitaraf Mehrnoosh , Abadi Fatemeh Bolghan , Tabrizian Elham
Published: May 2016

Hexahydroquinolines, dioxodecahydroacridines, polyhydroquinolines, and dioxooctahydroxanthenes are prepared by multicomponent cyclocondensations using the title catalyst.
ChemInform Abstract: Synthesis and Cytotoxic Evaluation of Novel Indenoisoquinoline‐propan‐2‐ol Hybrids.
Authors: Nguyen Tuyen Van , et al.
Published: May 2016

An efficient synthetic approach toward nine variously substituted indenoisoquinolines with regard to the lactam nitrogen, starting from the two‐step condensation of 2‐carboxybenzaldehyde and phthalide, followed by the reaction with the appropriate primary amines is reported.
ChemInform Abstract: Dimethylzinc‐Mediated Chlorolactamization of Homoallylic Amines with Chloroform.
Authors: Nishida Yuika , Ueda Masafumi , Hayashi Masataka , Takeda Norihiko , Miyata Okiko
Published: May 2016

Treatment of homoallylic amines with dimethylzinc as radical initiator and chloroform as carbon source leads to the formation of the corresponding β‐chlorolactams via Prins‐type cyclization of a carbamoyl chloride intermediate.
ChemInform Abstract: Diazo Strategy for the Synthesis of Pyridazines: Pivotal Impact of the Configuration of the Diazo Precursor on the Process.
Authors: Nikolaev Valerij A. , Cantillo David , Kappe C. Oliver , Medvedev Jury J. , Prakash G. K. Surya. , Supurgibekov Murat B.
Published: May 2016

Z‐configured vinylogous diazoesters undergo a diaza‐Wittig reaction providing pyridazines.
ChemInform Abstract: Rhodium(II)‐Catalyzed Carbenoid Insertion of N‐Tosylhydrazones into Amide N—H Bonds: An Efficient Approach to N3‐Benzyl/Alkyl‐2‐arylquinazolinones.
Authors: Lingayya Rajaka , Vellakkaran Mari , Nagaiah Kommu , Nanubolu Jagadeesh Babu
Published: May 2016

For the first time, Rh‐catalyzed reaction of N‐tosylhydrazones and dihydroquinazolinones is reported regioselectively giving the title compounds in good to high yields.