136680-15-4Relevant academic research and scientific papers
Cyclisation of Polyenic β-Keto Sulphoxides. A Novel Route to Optically Active Intermediates for Cyclic Terpenoid Synthesis
Kosugi, Hiroshi,Hoshino, Kunihide,Uda, Hisashi
, p. 1173 - 1174 (1991)
Optically active polyenic β-keto sulphoxides 4 and 5 undergo a cyclisation mediated by SnCl4 to give easily separable diastereoisomeric dihydropyran derivatives 6a,b and 10a,b respectively; the crystalline stereoisomers of which can be converted into (+)-
