Claims
- 1. A 2-substituted 5-phenoxyphenoxphosphonic acid derivative of the formula ##STR9## wherein each of R.sub.1 and R.sub.2 is hydroxy, lower alkoxy, lower alkylthio, alkylamino, dialkylamino, chlorine, benzyloxy or benzylthio,
- X is halogen, --CF.sub.3, --NO.sub.2, --CN, --CONH.sub.2 or --CSNH.sub.2, and
- n is an integer from 0 to 2.
- 2. A phosphonic acid derivative according to claim 1, wherein n is 2 and both radicals X are in the ortho- and para-position in the phenoxy moiety and each independently of the other is --NO.sub.2, --CN, --CF.sub.3 and halogen.
- 3. The compound according to claim 2 which is 2-amino-5-(2'-chloro-4'-trifluoromethylphenoxy)-phenyl-phosphonic acid dimethyl ester.
Priority Claims (1)
Number |
Date |
Country |
Kind |
1147/79 |
Feb 1979 |
CHX |
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Parent Case Info
This is a divisional of application Ser. No. 117,167 filed on Jan. 31, 1980, now U.S. Pat. No. 4,322,375.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4322375 |
Maier et al. |
Mar 1982 |
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Divisions (1)
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Number |
Date |
Country |
Parent |
117167 |
Jan 1980 |
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