1254593-04-8Relevant articles and documents
Ring-closing of 1,7-and 1,8-enynes of propargylic O,O-acetals by ruthenium-catalysed intramolecular metathesis
Lanfranchi, Don Antoine,Bour, Christophe,Boff, Bastien,Hanquet, Gilles
experimental part, p. 5232 - 5247 (2010/11/02)
Acyclic 1,7-and 1,8-enynes with the alkyne moiety directly connected to the asymmetric carbon of an ethyl acetal have been obtained in two steps from the corresponding aldehydes. Ring-closing metathesis of these enynes delivered the corresponding six-and