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Thermal 1,6‐Electrocyclization Reactions of Acceptor‐Substituted 2,3‐Divinyl‐1 H ‐indoles Yielding Functionalized Carbazoles
Author(s) -
Pindur Ulf,
Adam Reinhard
Publication year - 1990
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19900730408
Subject(s) - chemistry , acceptor , scope (computer science) , combinatorial chemistry , wittig reaction , catalysis , organic chemistry , physics , computer science , programming language , condensed matter physics
Abstract Three new synthetic procedures for and thermal 1,6‐electrocyclizations of acceptor‐substituted 2,3‐divinyl‐1 H ‐indoles leading to functionalizing carbazoles are described. The scope and limitations as well as some mechanistic aspects of the methodologies are discussed. The key strategies employed include Pd(II)‐catalyzed coupling and Wittig procedures.