Claims
- 1. The compound of the formula ##STR36## wherein R.sup.2 is carboxy(lower)-alkyl or lower alkoyxycarbonyl(lower)alkyl,
- R.sup.6 is amino, substituted or unsubstituted (lower)alkanamido or tritylamino, and
- R.sup.8 is hydrogen or lower alkyl.
- 2. The syn isomer of the compound of the claim 1.
- 3. The compound of the claim 2, wherein R.sup.6 is amino.
- 4. The compound of the claim 3, wherein R.sup.2 is carboxy(lower)alkyl.
- 5. The compound of the claim 4, which is 2-(2-aminothiazol-4-yl)-2-carboxymethoxyiminoacetic acid.
- 6. The compound of the claim 3, wherein R.sup.2 is lower alkoxycarbonyl(lower)alkyl.
- 7. The compound of the claim 6, which is 2-(2-aminothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetic acid.
- 8. The compound of the claim 6, which is 2-(2-aminothiazol-4-yl)-2-tert-butoxycarbonylmethoxyiminoacetic acid.
- 9. The compound of the claim 2, wherein R.sup.6 is lower alkanamido.
- 10. The compound of the claim 9, wherein R.sup.2 is carboxy(lower)alkyl.
- 11. The compound of the claim 10, which is 2-(2-formamidothiazol-4-yl)-2-carboxymethoxyimino-acetic acid.
- 12. The compound of the claim 9, wherein R.sup.2 is lower alkoxycarbonyl(lower)alkyl.
- 13. The compound of the claim 12, which is 2-(2-formamidothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetic acid.
- 14. The compound of the claim 12, which is 2-(2-formamidothiazol-4-yl)-2-tert-butoxycarbonylmethoxyiminoacetic acid.
- 15. The compound of the claim 2, wherein R.sup.6 is tritylamino.
- 16. The compound of claim 1 wherein R.sup.8 is hydrogen and R.sub.2 is 1-carboxy isopropyl.
- 17. The compound of claim 1 wherein R.sup.8 is hydrogen R.sub.6 is tritylamino and R.sub.2 is ethoxy carbonyl methyl.
- 18. The compound of claim 1 wherein R.sup.8 is hydrogen R.sub.6 is tritylamino and R.sub.2 t-butoxy carbonylmethyl.
- 19. The compound of claim 1 wherein R.sup.8 is hydrogen R.sub.6 is tritylamino and R.sub.2 is 1-t-butoxy carbonylisopropyl.
- 20. The compound of claim 1 wherein R.sup.8 is lower alkyl and R.sub.2 is 1-carboxy isopropyl or 1-t-butoxy carbonyl isopropyl.
- 21. The compound of claim 20 wherein R.sub.2 is 1-t-butoxy carbonyl isopropyl.
- 22. The compound of claim 1 wherein R.sub.2 is 1-t-butoxy carbonyl-isopropyl, R.sub.6 is tritylamino and R.sup.8 is ethyl.
Parent Case Info
This is a division, of application Ser. No. 886,340, filed Mar. 14, 1978 now patent No. 4,425,341.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4166115 |
Takaya |
Aug 1979 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
886340 |
Mar 1978 |
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