共 37 条
[2]
Boger D. L., 1987, HETERO DIELS ALDER M
[3]
Buchanan J.G., 1983, PROG CHEM ORG NATURA, V44, P243
[5]
A NEW SYNTHESIS OF THE CORTICOSTEROID SIDE-CHAIN
[J].
TETRAHEDRON LETTERS,
1990, 31 (13)
:1889-1892
[10]
FIN JM, 1990, TETRAHEDRON LETT, V31, P1665