87253-39-2Relevant articles and documents
Aspects of the Preparation of Cyclohexenyl- and Menthenylthioenynes via Ring-Opening of Thiophenes
Svensson, Arne,Karlsson, J. Olle,Hallberg, Anders
, p. 729 - 734 (2007/10/02)
Treatment of 2,5-dimethyl-3-(1-menthenyl)-4-bromothiophene (IIIa) and 2,5-dimethyl-3-(1-cyclohexenyl)-4-bromothiophene (IIIb) with butyllithium gave the thiodienynes Va and Vb, respectively, via ring-opening of the corresponding 3-lithio derivatives. 2,5-