Claims
- 1. A compound of the formula ##STR18## and the base salts thereof, wherein X is hydrogen, 5-fluoro, 5-chloro or 5-trifluoromethyl; Y is hydrogen, 6-fluoro, 6-chloro or 6-trifluoromethyl; and R.sup.1 is benzyl, furyl, thienyl or thienylmethyl; provided that when X and Y are both hydrogen, R.sup.1 is not benzyl.
- 2. A compound according to claim 1, wherein R.sup.1 is furyl, thienyl or thienylmethyl.
- 3. A compound according to claim 2, wherein R.sup.1 is 2-furyl, 2-thienyl or (2-thienyl)methyl.
- 4. A compound according to claim 3, wherein X and Y are each hydrogen.
- 5. The compound according to claim 4, wherein R.sup.1 is 2-furyl.
- 6. A compound according to claim 3, wherein Y is hydrogen.
- 7. A compound according to claim 6, wherein X is 5-chloro.
- 8. The compound according to claim 7, wherein R.sup.1 is 2-thienyl.
- 9. A compound according to claim 3, wherein X is hydrogen.
- 10. A compound according to claim 9, wherein Y is 6-fluoro.
- 11. The compound according to claim 10, wherein R.sup.1 is 2-furyl.
- 12. The compound according to claim 1, wherein X is 5-fluoro, Y is 6-chloro and R.sup.1 is benzyl.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of application Ser. No. 693,696, filed Jan. 22, 1985 now abandoned, which is a continuation-in-part of application Ser. No. 619,861, filed June 12, 1984, now abandoned, which is a continuation-in-part of application Ser. No. 577,903, filed Feb. 7, 1984, and now abandoned.
US Referenced Citations (8)
Foreign Referenced Citations (4)
Number |
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Country |
46-14898 |
Apr 1971 |
JPX |
48-14667 |
Feb 1973 |
JPX |
1158532 |
Jul 1969 |
GBX |
1206995 |
Sep 1970 |
GBX |
Non-Patent Literature Citations (8)
Entry |
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K. Buchel et al, Z. Anal. Chemie, 190, (1962), pp. 243-250. |
Pakula et al., Chemical Abstracts, 72:12563(k) (1970). |
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Continuations (1)
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Number |
Date |
Country |
Parent |
693696 |
Jan 1985 |
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Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
619861 |
Jun 1984 |
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Parent |
577903 |
Feb 1984 |
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