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Author(s): Jeffery T
Title: On the efficiency of tetraalkylammonium salts in Heck type reactions
Source: TETRAHEDRON 52 (30): 10113-10130
Date: 1996 JUL 22
Document Type: Journal : Article
DOI:
Language: English
Comment:
Address:
Reprint: Jeffery, T, ENSCP,ORGAN SYNTH LAB,URA 1381 CNRS,11 RUE P & M CURIE,F-
75231 PARIS 05,FRANCE. E-mail:
Author Keywords:
KeyWords Plus: PALLADIUM-CATALYZED VINYLATION; PHASE-TRANSFER CONDITIONS; HYDROGEN
SUBSTITUTION-REACTIONS; ANION CAPTURE PROCESSES; ARYL HALIDES;
NITROGEN-HETEROCYCLES; VINYLIC SUBSTITUTION; ORGANIC HALIDES;
CYCLIZATION; ARYLATION
Abstract: Under appropriate conditions, tetraalkylammonium hydrogensulfate can be just as efficient as tetraalkylammonium chloride or bromide for facilitating Heck-type reactions. Moreover, an appropriate selection of the [Pd / Base / QX] catalyst system can allow this type of reactions to be efficiently realised at will, in a strictly anhydrous medium, in a water-organic solvent mixture or in water alone. Copyright (C) 1996 Elsevier Science Ltd
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