Claims
- 1. A member selected from the group consisting of
- (a) a compound of the formula ##STR17## wherein R.sup.1 is phenyl, substituted phenyl, quinolyl or substituted quinolyl, substituted phenyl and substitued quinolyl comprising at least one substituent selected from the group consisting of a halo, a trifluoromethyl and from 1 to 3 alkyl radicals having a total of up to 4 carbon atoms; and
- R.sup.2 is a member having from 3 to 7 carbon atoms and selected from the group consisting of dialkylphosphinylalkyl and dialkylphosphinylhydroxyalkyl;
- and (b) an acid-addition salt of (a).
- 2. A member as claimed in claim 1 wherein R.sup.2 is dimethylphosphinylmethyl.
- 3. A member as claimed in claim 1 wherein R.sup.2 is dimethylphosphinylpropyl.
- 4. A member as claimed in claim 1 wherein R.sup.1 is substituted or unsubstituted phenyl.
- 5. A member as claimed in claim 4 wherein R.sup.1 is a trifluoromethyl-substituted phenyl.
- 6. A member as claimed in claim 1 wherein R.sup.1 is substituted or unsubstituted quinolyl.
- 7. A member as claimed in claim 1, which is a dialkylphosphinylalkyl ester of 2-(3-trifluoromethylanilino)-nicotinic acid.
- 8. A pharmaceutical preparation having analgesic activity and containing an effective dose of a member as claimed in claim 1 in combination with at least one solid or fluid carrier or additive.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a division of pending application Serial No. 702,604, filed July 6th, 1976, now U.S. Pat. 4,091,095.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
134716 |
Mar 1952 |
SE |
Divisions (1)
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Number |
Date |
Country |
Parent |
702604 |
Jul 1976 |
|