Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-01-05
1977-06-21
Daus, Donald G.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
424258, C07D49122
Patent
active
040310981
ABSTRACT:
Camptothecin analogues showing more potent anti-tumor activity than a naturally occurring alkaloid camptothecin, which also exhibit an immunosuppressive activity, in which the 1-ethyl of camptothecin is replaced by various members of substitutents such as alkyls (except ethyl), alkenyls, alkynyls, aralkyls or aryloylalkyls; being produced from readily accessible starting materials on totally synthetic method newly developed by the present inventor.
REFERENCES:
patent: 3894029 (1975-07-01), Winterfeldt et al.
Daus Donald G.
Shionogi & Co. Ltd.
Wheeler David E.
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