共 20 条
[1]
ASAMI M, 1979, HETEROCYCLES, V12, P499
[2]
BAINES RP, 1958, J ORG CHEM, V23, P1561
[5]
ELEVELD MB, 1984, TETRAHEDRON LETT, P5187
[6]
ELEVELD MB, UNPUB
[7]
GRANDON MF, 1981, J CHEM SOC P1, P231
[9]
HOGEVEEN H, UNPUB