Claims
- 1. A method for the preparation of a compound of the formula ##STR18## wherein R is selected from the group consisting of hydrogen, agriculturally acceptable cations, alkyl having from 1 to 8 carbon atoms, phenoxy lower alkyl, lower alkyl thio lower alkyl and tetrafluorocyclobutylmethyl; R.sub.1 is lower alkyl; and X and Y are independently selected from the group consisting of hydrogen, trifluoromethyl, halo, lower alkyl and lower alkoxy; provided that X, Y and R may not simultaneously be hydrogen; which comprises reacting in the presence of acetic acid, a propenoic acid or ester having the formula ##STR19## and a hydrazine having the formula ##STR20## wherein R, R.sub.1, X and Y are as defined above.
- 2. A method in accordance with claim 1 wherein R is alkyl having 1 to 8 carbon atoms.
- 3. A method in accordance with claim 1 wherein R is ethyl.
- 4. A method in accordance with claim 3 wherein R.sub.1 is methyl, n-propyl or isopropyl.
Parent Case Info
This application is a continuation-in-part of Ser. No. 898,572, filed Apr. 21, 1978, now abandoned, which in turn is a divisional of Ser. No. 715,011, filed Aug. 18, 1976, now U.S. Pat. No. 4,116,673 which in turn is a continuation-in-part of Ser. No. 645,181, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3023210 |
Schutt |
Feb 1962 |
|
3234217 |
Schmidt et al. |
Feb 1966 |
|
Non-Patent Literature Citations (2)
Entry |
Behr et al., Pyrazoles, Pyrazolines, Pyrazolidines, Indazoles and Condensed Rings, 1967, Interscience, N.Y., pp. 13, 15-16, 106-108. |
von Auwers et al., Ber. 1926, vol. 59, pp. 1043-1045, 1052-1053. |
Divisions (1)
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Number |
Date |
Country |
Parent |
715011 |
Aug 1976 |
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Continuation in Parts (2)
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Number |
Date |
Country |
Parent |
898572 |
Apr 1978 |
|
Parent |
645181 |
Dec 1975 |
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