Metadata Search Funding Data Link References Status API Help
Facet browsing currently unavailable
Page 5 of 25814 results
Sort by: relevance publication year

Reactivity of B‐Xanthyl N‐Heterocyclic Carbene‐Boranes

JOURNAL ARTICLE published October 2019 in Helvetica Chimica Acta

Authors: Anne‐Laure Vallet | Sofia Telitel | Jacques Lalevée | Emmanuel Lacôte

Electron‐Transfer‐Catalyzed cistrans Isomerization of 1,1′‐Azonorborane. Prototype of a reversible two‐stage storage system

JOURNAL ARTICLE published 13 August 1992 in Helvetica Chimica Acta

Authors: Georg Gescheidt | Axel Lamprecht | Jürgen Heinze | Barbara Schuler | Michael Schmittel | Susanne Kiau | Christoph Rüchardt

Specific Ligands for the Affinity Chromatography of Cholinergic Proteins

JOURNAL ARTICLE published 5 March 1980 in Helvetica Chimica Acta

Authors: Gaetano Riggio | Wolfgang Herbert Hopff | Alfred André Hofmann | Peter Gaudenz Waser

Butanolide und Butenolide durch intramolekulare En‐Reaktion bei der Thermolyse von Propargyl‐propiolaten

JOURNAL ARTICLE published 29 October 1986 in Helvetica Chimica Acta

Authors: Vanda Bilinski | Martin Karpf | André S. Dreiding

Palladium‐Catalyzed Syntheses of Polyethynyl‐Substituted 2,2′‐Bithiophenes

JOURNAL ARTICLE published 8 May 1996 in Helvetica Chimica Acta

Authors: Uwe Dahlmann | Richard Neidlein

Synthesen der enantiomeren Aleuriaxanthine. Nachweis eines vorherrschenden (Z)‐Aleuriaxanthins in Aleuria

JOURNAL ARTICLE published 2 February 1983 in Helvetica Chimica Acta

Authors: Walter Eschenmoser | Peter Uebelhart | Conrad Hans Eugster

Angular Distortions at Tetracoordinate Carbon Planoid Distortions in α,α′‐Bridged Spiro[4.4]nonanes and [5.5.5.5]Fenestranes

JOURNAL ARTICLE published 6 May 1987 in Helvetica Chimica Acta

Authors: Wolfgang Luef | Reinhart Keese

Synthesis and Antiplatelet-Activity Evaluation ofα-Methylidene-γ-butyrolactones Bearing 3,4-Dihydroquinolin-2(1H)-one Moieties

JOURNAL ARTICLE published 16 February 2000 in Helvetica Chimica Acta

Authors: Cherng-Chyi Tzeng | I.-Li Chen | Yeh-Long Chen | Tai-Chi Wang | Ya-Ling Chang | Che-Ming Teng

Optimized Scalable Synthesis of Chiral Iridium Pyridyl‐Phosphinite (Pyridophos) Catalysts

JOURNAL ARTICLE published December 2020 in Helvetica Chimica Acta

Authors: Marc‐André Müller | Adnan Ganić | Esther Hörmann | Stefan Kaiser | Matthias Maywald | Stephen J. Roseblade | Marcus G. Schrems | Andreas Schumacher | David Woodmansee | Andreas Pfaltz

Ein neuer Zugang zum tetracyclischen Grundgerüst des Cyclohepta (def)fluorens

JOURNAL ARTICLE published 29 April 1981 in Helvetica Chimica Acta

Authors: Richard Neidlein | Walter Kramer

3‐Lithiopyrroles by Halogen‐Metal Interchange of 3‐Bromo‐1‐(triissopropylsilyl)pyrroles. Synthesis of Verucarin E and Other 3‐Substituted Pyrroles. Preliminary Communication

JOURNAL ARTICLE published 20 June 1984 in Helvetica Chimica Acta

Authors: Joseph M. Muchowski | Reto Naef

Synthese von {2‐[3‐(2‐Ammonioethoxy)benzoyl]ethyl}‐trimethylammonium‐Bromid‐hydrobromid für die Affinitätschromatographie von Cholin‐Acetyltransferase (ChAT; EC 2.3.1.6)

JOURNAL ARTICLE published 20 September 1989 in Helvetica Chimica Acta

Authors: Gaetano Riggio | Alexander Josef Raeber | Wolfgang Herbert Hopff

2,3‐Di‐O‐methyl‐D‐fucose. Desoxyzucker, 36. Mitteilung

JOURNAL ARTICLE published January 1962 in Helvetica Chimica Acta

Authors: M. P. Khare | O. Schindler | T. Reichstein

Reaktion von 3‐(Dimethylamino)‐2H‐azirinen mit 1,3‐Thiazolidin‐2‐thion

JOURNAL ARTICLE published 10 December 1986 in Helvetica Chimica Acta

Authors: Simon M. Ametamey | Roland Prewo | Jost H. Bieri | Heinz Heimgartner | Jean Pierre Obrecht

C‐Alkylation of Peptides through Polylithiated and LiCl‐Solvated Derivatives Containing Sarcosine Li‐Enolate Units

JOURNAL ARTICLE published 30 January 1991 in Helvetica Chimica Acta

Authors: Dieter Seebach | Hans Bossler | Hansjörg Gründler | Shin‐Ichiro Shoda | Roland Wenger

Long‐Range Intramolecular Electron Transfer between two Naphthalene π‐Moieties Attached to a Rigid Norbornylogous Spacer of Variable Length: An ESR and ENDOR Study

JOURNAL ARTICLE published 19 September 1990 in Helvetica Chimica Acta

Authors: Fabian Gerson | Thomas Wellauer | Anna M. Oliver | Michael N. Paddon‐Row

Synthese von 3,3‐Dimethylperhydro‐1,4‐diazepin‐2,5,7‐trionen aus 3‐Dimethylamino‐2,2‐dimethyl‐2H‐azirin und Malonsäuremonoamiden

JOURNAL ARTICLE published 27 March 1985 in Helvetica Chimica Acta

Authors: Daniel Obrecht | Bernhard Scholl | Heinz Heimgartner

Ringerweiterungen und Ringverengungen bei der Umsetzung von 1, 3‐Oxazolidin‐2, 4‐dionen und 1, 3‐Thiazoiidin‐2, 4‐dion mit 3‐Amino‐2H‐azirinen

JOURNAL ARTICLE published 8 August 1990 in Helvetica Chimica Acta

Authors: Simon M. Ametamey | Heinz Heimgartner

Synthesis of New Chiral Derivatives of N,N′-Dimethylpropyleneurea (DMPU) and Examination of Their Influence on the Regio- and Enantioselectivity of Addition of 2-(1,3-Dithianyl)lithium to Cyclohex-2-en-1-one

JOURNAL ARTICLE published July 2002 in Helvetica Chimica Acta

Authors: Eusebio Juaristi | Marcos Hernández-Rodríguez | Heraclio López-Ruiz | Judit Aviña | Omar Muñoz-Muñiz | Michiya Hayakawa | Dieter Seebach

Absolute Configuration of 2‐Substituted 2‐Azabicyclo[2.2.1]hept‐5‐enes

JOURNAL ARTICLE published 12 May 1993 in Helvetica Chimica Acta

Authors: Esteban Pombo‐Villar | Jakob Boelsterli | Maria Magdalena Cid | Julien France | Beat Fuchs | Malcolm Walkinshaw | Hans‐Peter Weber