共 44 条
[34]
MITRA A, 1978, J ORG CHEM, V43, P2923
[35]
PEARLMAN WL, 1967, TETRAHEDRON LETT, V17, P1663
[37]
SAMMES PG, 1983, J CHEM SOC CHEM COMM, P896
[40]
TRAMONTI.M, 1973, SYNTHESIS-STUTTGART, P703