Enantioselective construction of the tetrahydropyran and tetrahydrofuran fragments of the antitumor agent mucocin from a common intermediate
作者:P. Andrew Evans、V.Srinivasa Murthy
DOI:10.1016/s0040-4039(98)02674-4
日期:1999.2
The cis-2,6-disubstituted tetrahydropyran 3 and trans-2,5-disubstituted tetrahydrofuran 4 required for the total synthesis of the potent antitumor agent mucocin 1 were prepared from the α,β-unsaturated ester 2 using a complementary Sharpless asymmetric epoxidation/cyclization protocol.