Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1998-04-10
2000-02-22
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514257, 544231, A61K 31505, C07D49827
Patent
active
060280778
ABSTRACT:
The present invention is directed to the isolation and characterization of six new crambescidin compounds, the structures of which are shown below: ##STR1## .
REFERENCES:
patent: 5756734 (1998-05-01), Rinehart et al.
Overman et al. "Enantioselective Total Synthesis of (-)Ptilomycalin" J. Am. Chem Soc. (1995), 117, 2657-2658.
Rinehart Kenneth L.
Shi Jiang-Gong
Sun Furong
Linek Ernest V.
Raymond Richard L.
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