共 25 条
- [1] BARTH H, 1981, LIEBIGS ANN CHEM, P2164
- [2] BOSIN TR, 1973, TETRAHEDRON LETT, V47, P4699
- [3] DUNBAR PG, 1987, HETEROCYCLES, V26, P3165
- [5] EPSZTAJN J, 1986, J CHEM RES-S, P18
- [6] EPSZTAJN J, 1986, J CHEM RES-S, P20
- [7] Gschwend H.W., 1979, ORG REACT, V26, P1