Claims
- 1. A compound of the formula ##STR46## wherein R.sub.1 is trityl R.sub.1 ' is trityl and Alk is alkyl of 1 to 4 carbon atoms and OR.sub.1 ' is in the syn position.
- 2. The syn isomer of ethyl 2-(2-tritylamino-4-thiazolyl)-2-trityloxyiminoacetate.
- 3. The syn isomer of 2-(2-tritylamino-4-thiazolyl)-2-trityloxyimino-acetic acid.
Priority Claims (4)
Number |
Date |
Country |
Kind |
72 07307 |
Mar 1976 |
FRX |
|
76 17743 |
Jun 1976 |
FRX |
|
76 01834 |
Jun 1976 |
FRX |
|
76 25051 |
Aug 1976 |
FRX |
|
PRIOR APPLICATION
This application is a division of U.S. patent application Ser. No. 257,984 filed Apr. 27, 1981 now U.S. Pat. No. 4,376,203 which in turn is a continuation of U.S. patent application Ser. No. 71,295 filed Aug. 30, 1979 now abandoned which in turn is a division of copending U.S. patent application Ser. No. 917,985 filed June 22, 1978 now U.S. Pat. No. 4,283,396 which in turn is a division of U.S. patent application Ser. No. 817,114 filed July 19, 1977, now U.S. Pat. No. 4,152,432 which in turn is a continuation-in-part of copending commonly assigned U.S. patent application Ser. No. 761,270 filed Jan. 21, 1977 now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4203899 |
Ochiai et al. |
May 1980 |
|
4376203 |
Heymes et al. |
Mar 1983 |
|
Divisions (3)
|
Number |
Date |
Country |
Parent |
257984 |
Apr 1981 |
|
Parent |
917985 |
Jun 1978 |
|
Parent |
817114 |
Jul 1977 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
71295 |
Aug 1979 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
761270 |
Jun 1977 |
|