HERBICIDALLY ACTIVE HETEROCYCLIC PHENYL ETHERS PROCESS FORTHEIR PREPARATION AND COMPOSITIONS CONTAINING THEM

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专利权人:

HOECHST AG

发明人:

申请号：

GB19770037524

公开号：

GB1548847(A)

申请日:

1977.09.08

申请国别(地区):

英国

年份:

1979

代理人:

摘要：

Compounds of the formula I in which (R)n is hydrogen, halogen, CF3, NO2, CN, alkyl, alkoxy or alkylthio, A is O, S, NH, or N-alkyl, R1 is hydrogen or alkyl and Z is a carboxylic acid, carboxylic ester, thiol ester, carbonamide, carbohydrazide, thioamide, nitrile, hydroxymethyl, acyloxymethyl, carbamoylmethyl, or sulfonyloxymethyl group, ARE VALUABLE HERBICIDES FOR THE SELECTIVE CONTROL OF WEED GRASSES. The novel compounds are prepared by known methods, for example by reacting halo-benzthiazoles, -benzoxazoles or -benzimidazoles with unilaterally etherified hydroquinones.

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