| 摘要 |
1344527 Substituted phenylcarbamates BADISCHE ANILIN- & SODA-FABRIK AG 8 June 1971 [9 June 1970] 19337/71 Heading C2C The invention comprises compounds having the general formula wherein R is alkyl, or haloalkyl, R<SP>1</SP> is hydrogen, alkyl or haloalkyl and Z is hydrogen or methyl. They may be prepared by reacting a phenol of formula with an isocyanate of formula in the presence of a catalyst; or by reacting a carbamyl chloride of formula with an alkali metal salt of a phenol of Formula B or with a phenol of Formula B and an organic or inorganic base. The compounds of the invention may be used as active ingredients in herbicidal compositions. |
