1210327-90-4Relevant articles and documents
Highly enantioselective direct allylic alkylation of butenolides with Morita-Baylis-Hillman carbonates catalyzed by chiral squaramide-phosphine
Kang, Tian-Chen,Zhao, Xuan,Sha, Feng,Wu, Xin-Yan
, p. 74170 - 74173 (2015)
An efficient asymmetric vinylogous allylic alkylation of β,γ-butenolides with Morita-Baylis-Hillman carbonates has been developed. With a chiral cyclohexane-based squaramide-phosphine catalyst 5e, optically active γ,γ-disubstituted butenolides containing