共 6 条
- [1] BECK D, 1965, TETRAHEDRON LETT, P2285
- [2] LYLE RE, 1966, ADVANCES HETEROCYCLI, V6
- [3] NOLAND WE, 1963, J ORG CHEM, V28, P884
- [4] SUGASAWA S, 1956, CHEM PHARM BULL, V4, P16
- [5] VONDOBENECK H, 1959, ANGEW CHEM-GER EDIT, V71, P310
- [6] VONDOBENECK H, 1962, CHEM BER, V95, P1484