Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1987-03-12
1988-08-23
Lee, Mary C.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
549462, A61K 3134, C07D30779
Patent
active
047661461
ABSTRACT:
The invention relates to novel unsubstituted or substituted 2-fluorocarbonyl-2-(2,3-dihydrobenzofuran-7-yl)hydrazinecarboxylic acid esters of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen or
REFERENCES:
patent: 4467104 (1984-08-01), Pilgram et al.
patent: 4550121 (1985-10-01), Pilgram et al.
Klauke et al, Angew. Chem. 89 pp. 797-804 (1977).
Wood et al, Journal Che. Soc. (1948) pp. 2183-2188.
Ciba-Geigy Corporation
Dentz Bernard I.
Lee Mary C.
Mansfield Kevin T.
McC. Roberts Edward
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