Eistert et al., Chemische Berichte, 106 1537-1548 (1973). |
Russell et al., J.A.C.S. 97(7) 1906-1914 (1975). |
Coppola, J. Het. Chem. 22 1087-1088 (1985). |
Ngadjui et al., Phytochem 28(5) 1517-1519 (1989). |
Kaiya et al., Tetrahedron 41(3) 511-518 (1985). |
J. Heterocyclic Chem, 17,255 (1980) Knierzinger et al. |
CA 113:211864Z, Yoshizaki et al. (1990). |
Z. Naturforsch 32b, 1077-1083 (1977) Wolfbeis et al. |
Z. Naturforsch 31b, 514-519 (1976) Wolfbeis et al. |
Chem. Pharm. Bull. 30(6) 1992-1997 (1982) Ishii et al. |
Tetrahedron, vol. 28, pp. 5507-5524 (1972) Beak et al. |
J. Heterocyclic Chem, 18 1393 (1981) Kim. |
Communications Aug. 1976 p. 543-544 L'Eplattenier et al. |
Monatshefte fur Chemie 115, 1353-1368 (1984) 'Trathnigg et al. |
Monatshefte fur Chemie 101, 88-91 (1970) Metallidis et al. |
Derwent Abstract J90005-752-B. |
Derwent Abstract J89035-827-B. |