Claims
- 1. Compounds corresponding to the formula ##EQU3## wherein R is selected from the group consisting of hydrogen, alkyl and aryl; R.sub.1 is alkyl; R.sub.2 is selected from alkylcyano and arylcyano; X is oxygen, sulfur or amino.
- 2. A compound as set forth in claim 1 wherein X is S, R is CH.sub.3, R.sub.1 is C.sub.2 H.sub.5 and R.sub.2 is CH.sub.2 --C.tbd.N.
- 3. A compound as set forth in claim 1 wherein X is S, R is H, R.sub.1 is C.sub.2 H.sub.5 and R.sub.2 is CH.sub.2 --C.tbd.N.
- 4. A compound as set forth in claim 1 wherein X is S, ##SPC1##R.sub.1 is C.sub.2 H.sub.5 and R.sub.2 is CH.sub.2 --C.tbd.N.
- 5. A compound as set forth in claim 1 wherein X is O, R is CH.sub.3, R.sub.1 is C.sub.2 H.sub.5 and ##SPC2##
- 6. A compound as set forth in claim 1 wherein X is O, R is H, R.sub.1 is C.sub.2 H.sub.5 and ##SPC3##
- 7. A compound as set forth in claim 1 wherein X is O, R is H, R.sub.1 is CH.sub.3 and ##SPC4##
- 8. A compound as set forth in claim 1 wherein X is O, R is CH.sub.3, R.sub.1 is CH.sub.3 and ##SPC5##
DESCRIPTION OF THE INVENTION
This is a division of Ser. No. 298,979, filed Oct. 19, 1972, now U.S. Pat. No. 3,862,999, issued Jan. 28, 1975, which is a division of Ser. No. 123,467 filed on Mar. 11, 1971, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
3745197 |
Toy et al. |
Jul 1973 |
|
Divisions (2)
|
Number |
Date |
Country |
Parent |
298979 |
Oct 1972 |
|
Parent |
123467 |
Mar 1971 |
|