Compounds for combating plant disease

Details Compounds for combating plant disease Compounds for combating plant disease

1995-01-23

1996-07-09

Siegel, Alan

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

514423, A01N 4310, A01N 4340

Patent

active

055345417

ABSTRACT:
Halogen thiophene carboxylic acid derivatives of the General Formula ##STR1## in which Hal signifies chlorine or bromine, n the number 2 or 3, * signifies either an enantiomer or a racemate in the case of different R.sup.2 and R.sup.3 groups,
R.sup.1 stands for hydrogen or an alkyl group,
R.sup.2 stands for hydrogen, an alkyl group which can optionally be substituted by hydroxy-, carboxy-, alkoxy- or alkoxycarbonyl, mercapto- or alkylmercapto- or benzylmercapto, for an aryl group or aralkyl group, wherein the ring system can optionally be substituted with fluorine, chlorine or bromine atoms, for a cycloalkyl group or a cycloalkyl-methyl group,
R.sup.3 stands for hydrogen, an alkyl group, an alkenyl or alkynyl group or, optionally, R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3 together can form an alkylene bridge in which one CH.sup.2 unit can optionally be substituted by NR.sup.1, O or S,
Y signifies OH, OR.sup.4 or NR.sup.5 R.sup.6,
in which
R.sup.4 stands for an alkyl group whose H atoms are optionally replaced entirely or partially by halogen atoms,
R.sup.5 signifies hydrogen, an alkyl group, hydroxy- or an alkoxy group,
R.sup.6 signifies hydrogen, an alkyl group, a phenyl group or a cycloalkyl group or, optionally, R.sup.5 and R.sup.6 can form a ring with inclusion of the nitrogen atom and, optionally, of a further heteroatom. In addition, a method of their production is described. Compounds of General Formula I can be used in the form of plant protection products with suitable carrier materials.

REFERENCES:
patent: 3741984 (1973-06-01), Sheeran
patent: 4497964 (1985-02-01), Ojima et al.

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