The phenylsulfonyl-substituted vinylic epoxide 1 was allowed to react with BF3·OEt2 and various aromatics. A highly regioselective but moderately stereoselective mono-FriedelâCrafts reaction occurred which led to products 2 (Table 1). The fluorine-containing compounds 3aâb and 4 were obtained as side products.
GHOSH, TIRTHANKAR;HART, HAROLD, J. ORG. CHEM., 53,(1988) N 10, 2398-2400
作者:GHOSH, TIRTHANKAR、HART, HAROLD
DOI:——
日期:——
Selective epoxidation of 2-(phenylsulfonyl) 1,3-dienes. One-pot procedure for regioselective preparations of 2-(phenylsulfonyl) 1,3-diene monoepoxides from 1,3-dienes
作者:Jan E. Baeckvall、Anna M. Ericsson、Seppo K. Juntunen、Carmen Najera、Miguel Yus
DOI:10.1021/jo00071a035
日期:1993.9
2-(Phenylsulfonyl)-1,3-dienes as versatile synthons in organic transformations. Functionalizations via epoxidation reactions