共 18 条
[3]
BINGHAM RC, 1971, J AM CHEM SOC, V93, P3189
[4]
BROVER SH, 1975, CAN J CHEM, V53, P1351
[8]
OHSUGI M, 1977, SYNTHESIS-STUTTGART, P632
[10]
TABUSHI I, 1973, TETRAHEDRON LETT, P107