Claims
- 1. A compound of the formula ##STR8## wherein R is hydrogen or lower alkyl, R.sub.2 is hydrogen or R.sub.1 OC--, wherein R.sub.1 is lower alkyl, and X is hydrogen or chlorine.
- 2. A compound in accordance with claim 1, ethyl carbazole-2-oxalate.
- 3. A compound in accordance with claim 1, ethyl 9-acetylcarbazole-2-oxalate.
- 4. A compound in accordance with claim 1, ethyl 6-chlorocarbazole-2-oxalate.
- 5. A compound in accordance with claim 1, 6-chloro-.alpha.-oxocarbazole-2-acetic acid.
- 6. A compound in accordance with claim 1, 6-chloro-9-acetylcarbazole-2-oxalic acid ethyl ester.
- 7. A compound in accordance with claim 1, carbazole-2-oxalic acid methyl ester.
- 8. A compound in accordance with claim 1, 6-chlorocarbazole-2-oxalic acid methyl ester.
- 9. 6-Chloro-.alpha.-methylenecarbazole-2-acetic acid.
Parent Case Info
This is a division, of application Ser. No. 919,010, filed June 26, 1978.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3328406 |
Wolf et al. |
Jun 1967 |
|
3896145 |
Berger et al. |
Jul 1975 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
919010 |
Jun 1978 |
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