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Free keywords:
TETRACYCLIC INDOLE BASES; YOHIMBINE-TYPE ALKALOIDS; DIELS-ALDER REACTION; CATALYZED REACTIONS; BRASSARD DIENE; INDOLYLETHYLIMINES; DERIVATIVES; CYCLIZATION; IMINES
Abstract:
Tetrahydro- and hexahydrobenzo[a]quinolizinones can be built up efficiently by means of a two step reaction sequence consisting of a tandem Mannich-Michael reaction and a Heck reaction. (C) 1997 Elsevier Science Ltd.