共 9 条
[3]
BRANDSMA L, 1987, PREPARATIVE POLAR OR
[5]
MEIJER J, 1973, RECL TRAV CHIM PAY B, V92, P601
[7]
PAQUER D, 1975, B SOC CHIM FR II-CH, P1439
[8]
Schonberg A, 1933, BER DTSCH CHEM GES, V66, P237
[9]
WESTMIJZE H, 1979, SYNTHESIS-STUTTGART, P432