MARSHALL, JAMES A.;CROOKS, STEPHEN L.;DEHOFF, BRADLEY S., J. ORG. CHEM., 53,(1988) N 8, 1616-1623
作者:MARSHALL, JAMES A.、CROOKS, STEPHEN L.、DEHOFF, BRADLEY S.
DOI:——
日期:——
Stereoselective synthesis of cembranolide precursors via macrocyclization of α-alkoxyallylstannane aldehydes
作者:James A. Marshall、Bradley S. DeHoff、Stephen L. Crooks
DOI:10.1016/s0040-4039(00)95773-3
日期:1987.1
An efficient route to the MOM-protected α-hydroxylallylstannane propargylic aldehyde 15 starting from geraniol is described. Cyclization of 15 to the 14-membered cembranolide intermediate 16, a 7:1 mixture of cis and trans isomers, is effected in 80% yield with BF3·OEt2 at −78°C.