Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1992-11-09
1993-10-19
Brust, Joseph P.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
548454, A61K 3140, C07D40504
Patent
active
052545784
ABSTRACT:
Compounds of the formula: ##STR1## in which: R.sup.1 is a trifluoromethyl or a pentafluoroethyl;
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Janssens et al, "Synthetic 1,4-Disubstituted-1,4-dihydro-5H-tetrazol-5-one Derivatives of Fentanyl: Alfentanil (R 39209), a Potent, Extremely Short-Acting Narcotic Analgesic"; J. Med. Chem., 29, 2290-2297 (1986).
Hashimoto Toshihiko
Koike Hiroyuki
Masuko Hidekazu
Sada Toshio
Brust Joseph P.
Haley Jacqueline
Sankyo Company Limited
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