Claims
- 1. A method of treating plants to provide protection against phytopathogenic microorganisms which comprises applying to the plants, their plant parts or the site of their growth an effective amount of a compound of the general formula I: ##STR108## wherein Hal is chlorine or bromine, n is the number 2 or 3, and R.sup.2 and R.sup.3 can be the same or different, and includes all possible isomers at *,
- R.sup.1 is (1) hydrogen, (2) a straight-chain alkyl group having 1-4 carbon atoms or (3) a branched-chain alkyl group having 3-4 carbon atoms,
- R.sup.2 is (1) hydrogen, (2) a straight-chain alkyl group having 1-16 carbon atoms or (3) a branched-chain alkyl group having 3-16 carbon atoms, wherein (2) and/or (3) can be substituted by hydroxy-, carboxy-, C.sub.1 -C.sub.6 alkoxy-or C.sub.1 -C.sub.6 alkoxycarbonyl, mercapto- or C.sub.1 -C.sub.6 alkylmercapto- orbenzylmercapto, (4) an aryl group having 6-10 carbon atoms or (5) an aralkyl group with 7-16 carbon atoms, wherein (4) and/or (5) can be substituted with 1-3 fluorine, chlorine or bromine atoms, and (6) a cycloalkyl-methyl group with a total of 4-9 carbon atoms,
- R.sup.3 is (1) hydrogen, (2) an alkyl group having 1-4 carbon atoms, (3) an alkenyl having 2-4 carbon atoms or (4) an alkynyl group having 2-4 carbon atoms, and further wherein R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3 can form an alkylene bridge having 2-8 carbon atoms in which one CH.sub.2 unit can be substituted by NR.sup.1, an oxygen atom or a sulfur atom,
- Y is OH, OR.sup.4 or ##STR109## wherein, R.sup.4 is an alkyl group having 1-4 carbon atoms, whose hydrogen atoms can be replaced entirely or partially by halogen atoms,
- R.sup.5 is (1) hydrogen, (2) an alkyl group having 1-6 carbon atoms, (3) hydroxy- or (4) an alkoxy group having 1-6 carbon atoms,
- R.sup.6 is (1) hydrogen, (2) an alkyl group having 1-6 carbon atoms, (3) a phenyl group or (4) a cycloalkyl group having 3-8 carbon atoms, and further wherein R.sup.5 and R.sup.6 can form a 5-6 membered ring with inclusion of the nitrogen atom, wherein said ring can contain an additional heteroatom.
- 2. A method of protecting plants as set forth in claim 1, wherein:
- R.sup.1 is (1) hydrogen or (2) an alkyl group having 1-3 carbon atoms,
- R.sup.2 is (1) hydrogen, (2) an alkyl group having 1-6 carbon atoms, which can be substituted by an alkoxycarbonyl group having 1-6 carbon atoms, (3) a phenyl-, (4) an aralkyl having 7 or 8 carbon atoms or (5) a cycloalkyl group having 3-7 carbon atoms,
- R.sup.3 is (1) hydrogen or (2) an alkyl group having 1-4 carbon atoms,
- R.sup.2 and R.sup.3 together form an alkylene bridge having 2 carbon atoms and
- Y is OH, OR.sup.4 or NR.sup.5 R.sup.6, wherein
- R.sup.4 is an alkyl group having 1-4 carbon atoms, wherein the hydrogen atoms of said alkyl group can be entirely or partially replaced by fluorine atoms and
- R.sup.5 and R.sup.6 are each selected from the group consisting of (1) hydrogen (2) an alkyl having 1-4 carbon atoms, and (3) an alkoxy having 1-4 carbon atoms, and (4) R.sup.5 and R.sup.6 can form a 5-6 membered ring together with the nitrogen atom, wherein said ring can contain an additional nitrogen or oxygen atom.
- 3. A method of protecting plants as set forth in claim 1 or claim 2 in which Hal is bromine, n is the number 2 and R.sup.1 is hydrogen.
- 4. A method of protecting plants as set forth in claim 1 or claim 2, wherein
- R.sup.2 is (1) hydrogen or (2) an alkyl group having 1-4 carbon atoms, which can be unsubstituted or substituted by an alkoxy carbonyl group having 1-2 carbon atoms,
- R.sup.3 is (1) hydrogen, (2) methyl or (3) ethyl and is OH, OR.sup.4 or NR.sup.5 R.sup.6 wherein R.sup.4 is an alkyl group having 1-4 carbon atoms, and further wherein R.sup.5 and R.sup.6 are each selected from the group consisting of (1) hydrogen and (2) an alkyl group having 1-4 carbon atoms.
- 5. A method of protecting plants as set forth in claim 1 or claim 2 in which Hal.sub.n is 2 bromine atoms in positions 2' and 3' of the thiophene ring.
Priority Claims (1)
Number |
Date |
Country |
Kind |
40 11 172.5 |
Apr 1990 |
DEX |
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Parent Case Info
This is a continuation of application Ser. No. 08/120,321, filed on Sep. 14, 1993, now abandoned, which was an FWC rule 62 of 07/953,292 filed Sep. 30, 1992, now abandoned, which was an FWC rule 62 of 07/677,350 filed Mar. 29, 1991, now abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3741984 |
Sheeran |
Jun 1973 |
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4497964 |
Ojima et al. |
Feb 1985 |
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Continuations (3)
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Number |
Date |
Country |
Parent |
120321 |
Sep 1993 |
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Parent |
953292 |
Sep 1992 |
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Parent |
677350 |
Mar 1991 |
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