Claims
- 1. A compound of the formula ##STR10## wherein R is lower alkyl, R.sub.1 is lower alkyl, and R.sub.3 and R.sub.4, independently, are hydrogen or lower alkyl.
- 2. A compound in accordance with claim 1, 3-methylsulfamoyl-2-thiophenacetic acid methyl ester.
- 3. A compound of the formula ##STR11## wherein R is lower alkyl, R.sub.1 is lower alkyl, and R.sub.3 and R.sub.4, independently, are hydrogen or lower alkyl.
- 4. A compound in accordance with claim 3, 3-(N-methoxycarbonyl-N-methylsulfamoyl)-2-thienophenacetic acid methyl ester.
- 5. A compound of the formula ##STR12## wherein R.sub.1 is lower alkyl, and R.sub.3 and R.sub.4, independently, are hydrogen or lower alkyl.
- 6. A compound in accordance with claim 5, 3-methylsulfamoyl-2-thiophenacetic acid.
Priority Claims (2)
Number |
Date |
Country |
Kind |
1268/76 |
Feb 1976 |
ATX |
|
83/77 |
Jan 1977 |
CHX |
|
Parent Case Info
This is a division, of application Ser. No. 767,016, filed Feb. 9, 1977, now U.S. Pat. No. 4,090,020, issued May 16, 1978.
Non-Patent Literature Citations (1)
Entry |
Chemical Abstracts (1976), vol. 85:5612r. |
Divisions (1)
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Number |
Date |
Country |
Parent |
767016 |
Feb 1977 |
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