Claims
- 1. A compound having the formula: ##STR25## wherein X is oxygen, thio, sulfinyl or sulfonyl;
- R.sub.1 is pyridyl, which is optionally substituted with a loweralkyl, amino or phenyl group;
- R.sub.2 is hydrogen or loweralkyl; and
- R.sub.3 is loweralkoxy.
- 2. The compound of claim 1 in which the loweralkoxycarbonyl group is in the 2-position and the R.sub.1 -X-group is in the 6-position of the imidazo [1,2-a] pyridine ring system.
- 3. The compound of claim 2 wherein R.sub.2 is hydrogen, methyl or ethyl; R.sub.3 is methoxy or ethoxy; and X is sulfur or sulfinyl.
- 4. The compound of claim 2 which is 2-methoxycarbonylamino-6-(2-pyridylthio) imidazo [1,2-a] pyridine.
- 5. The compound of claim 2 which is 2-methoxycarbonylamino-6-(3-pyridylthio) imidazo [1,2-a] pyridine.
- 6. The compound of claim 2 which is 2-methoxycarbonylamino-6-(4-pyridylthio) imidazo [1,2-a] pyridine.
- 7. The compound of claim 2 which is 2-methoxycarbonylamino-6-(2-pyridyl sulfinyl) imidazo [1,2-a] pyridine.
- 8. The compound of claim 2 which is 2-methoxycarbonylamino-6-(2-pyridylsulfonyl) imidazo [1,2-a] pyridine.
- 9. The compound of claim 2 which is 2-methoxycarbonylamino-6-(6-amino-3-pyridylthio) imidazo [1,2-a] pyridine.
- 10. The compound of claim 2 which is 2-2[(methoxycarbonyl)methylamino]-6-(2-pyridylthio)-imidazo [1,2-a] pyridine.
- 11. An anthelmintic composition which comprises an inert carrier and an effective amount of a compound having the formula: ##STR26## wherein X is oxygen, thio, sulfinyl or sulfonyl;
- which is optionally substituted with a loweralkyl, amino or phenyl group;
- R.sub.2 is hydrogen or loweralkyl; and
- R.sub.3 is lower alkoxy.
Parent Case Info
This is a division of application Ser. No. 781,902 filed Mar. 28, 1977 now U.S. Pat. No. 4,105,767.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3701780 |
Fisher |
Oct 1972 |
|
4028370 |
Irikura |
Jun 1977 |
|
Non-Patent Literature Citations (1)
Entry |
Fisher et al., Journal Medicinal Chemistry, vol. 15, (No. 9), pp. 982-985 (1972). |
Divisions (1)
|
Number |
Date |
Country |
Parent |
781902 |
Mar 1977 |
|