Claims
- 1. A compound of the formula ##STR20## in which: n is 0, 1 or 2, and, if n is 2, the two radicals R.sub.3 are identical or different;
- R.sub.2 is methyl, fluorine, chlorine or bromine;
- R.sub.3 is C.sub.1 -C.sub.3 alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy, fluorine, chlorine or bromine;
- R.sub.5 is hydrogen or C.sub.1 -C.sub.3 alkyl and
- X is O.
- 2. A compound according to claim 1 of the formula (II), wherein
- R.sub.2 is fluorine or chlorine;
- R.sub.3 is fluorine or chlorine;
- R.sub.5 is hydrogen and
- X is O.
- 3. A compound according to claim 1 of the formula (II), wherein
- R.sub.2 is chlorine;
- R.sub.3 is fluorine or chlorine;
- R.sub.5 is hydrogen and
- X is O.
- 4. A compound according to claim 1 of the formula (II), wherein
- R.sub.2 is bromine;
- R.sub.3 is fluorine or chlorine;
- R.sub.5 is hydrogen and
- X is O.
Priority Claims (1)
Number |
Date |
Country |
Kind |
643/92 |
Mar 1992 |
CHX |
|
Parent Case Info
This a continuation of Ser. No. 08/023,986 filed on Feb. 26, 1993, now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0458361 |
Nov 1991 |
EPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
23986 |
Feb 1993 |
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