5-Amino-1-di-or tri-substituted phenylpyrazole-4-carboxylic acid

Details 5-Amino-1-di-or tri-substituted phenylpyrazole-4-carboxylic acid 5-Amino-1-di-or tri-substituted phenylpyrazole-4-carboxylic acid

1981-11-18

1983-12-13

Jiles, Henry R.

Chemistry: fertilizers

Processes and products

Forms or conditioning

548362, A01N 4356

Patent

active

044203241

ABSTRACT:
5-Amino-1-phenylpyrazole-4-carboxylic acid esters of the formula ##STR1## where R.sup.1 is methyl, trifluoromethyl, chlorine or bromine, R.sup.2 is chlorine, bromine, iodine or akylsulfonyl, R.sup.3 is hydrogen, chlorine or bromine, or is methoxy in the 5-position, in which case R.sup.1 and R.sup.2 are chlorine, whilst R.sup.2 is hydrogen if R.sup.3 is chlorine in the 3-position, and R.sup.4 is methyl, and herbicides containing these compounds.

REFERENCES:
patent: 3515715 (1970-06-01), Straley et al.
patent: 3567735 (1971-03-01), Druey et al.
Ram et al., Arch. Pharm. (Weinheim) 1979, vol. 312, pp. 703-707.

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