Claims
- 1. A racemic or optically active compound of the formula ##STR10## wherein R.sub.1 is methyl, ethyl or propyl;
- R.sub.2 is hydrogen, methyl or ethyl; and
- R.sub.3 is ##STR11## where R.sub.4 is hydrogen or methyl,
- R.sub.5 is methyl, ethyl or propyl, and
- n is 1 or 2,
- or a non-toxic, pharmacologically acceptable acid addition salt thereof.
- 2. A compound of claim 1, which is of the formula ##STR12## wherein R.sub.3 has the meanings defined in claim 1 or a non-toxic, pharmacologically acceptable acid addition salt thereof.
- 3. An analgesic pharmaceutical dosage unit composition consisting essentially of an inert pharmaceutical carrier and an effective analgesic amount of a compound of claim 1.
- 4. The method of relieving pain in a warm-blooded animal in need thereof, which comprises perorally, parenterally or rectally administering to said animal an effective analgesic amount of a compound of claim 1.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2828039 |
Jun 1978 |
DEX |
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Parent Case Info
This is a continuation of copending application Ser. No. 52,433, filed June 26, 1979, now abandoned.
US Referenced Citations (4)
Non-Patent Literature Citations (1)
Entry |
Chemical Abstracts, 87:201833u (1977) [Rahtz, D., et al., Eur. J. Med. Chem.-Chim. Ther. 1977, 12(3), 271-278]. |
Continuations (1)
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Number |
Date |
Country |
Parent |
52433 |
Jun 1979 |
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