Claims
- 1. A compound of the formula (I) and pharmaceutically acceptable salts thereof, ##STR7## wherein R.sup.1 and R.sup.2 are the same or different and each is hydrogen or lower alkyl; and
- R.sup.3 is hydrogen or lower alkyl.
- 2. The compound of claim 1, wherein the compound is hexahydro-3,3-dimethyl-4-oxo-1,2,5-dithiazocine-6-carboxylic acid.
- 3. The compound of claim 1, wherein the compound is hexahydro-3,3-dimethyl-4-oxo-1,2,5-dithiazocine-6-carboxylic acid methyl ester.
- 4. The compound of claim 1, wherein R.sup.1 and R.sup.2 are the same or different and each is C.sub.1 -C.sub.6 alkyl and R.sup.3 is C.sub.1 -C.sub.6 alkyl.
- 5. The compound of claim 1, wherein R.sup.1 and R.sup.2 are the same or different and each is selected from the group consisting of methyl, ethyl, propyl, isopropyl and hexyl and R.sup.3 is selected from the group consisting of methyl, ethyl, propyl, isopropyl and hexyl.
Priority Claims (1)
Number |
Date |
Country |
Kind |
63-202111 |
Aug 1988 |
JPX |
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Parent Case Info
This is a division of application Ser. No. 07/381,026 filed Jul. 17, 1989 now U.S. Pat. No. 5,041,435 granted Aug. 20, 1991.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4517123 |
Iso et al. |
May 1985 |
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4699905 |
Yanagisawa et al. |
Oct 1987 |
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5041435 |
Morita et al. |
Aug 1991 |
|
Non-Patent Literature Citations (2)
Entry |
P. Blondeau et al, "Synthesis of Some Stable 7-Halo-1,4-thiazepines, Potential Substituted Penam Precursors", Canadian Journal of Chemistry, vol. 49, 1971, pp. 3867-3876. |
Roberts et al, "Basic Principles of Organic Chemistry", Calif. Inst. of Technology, 1964, p. 1202. |
Divisions (1)
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Number |
Date |
Country |
Parent |
381026 |
Jul 1989 |
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