Composition and process for the preparation of carbamate pesticide 3,5 dimethyl 4 - dimethylamino methyl phenyl - N - methyl

摘要

The invention comprises 3,5-dimethyl-4-dimethylaminomethylpheny - N - methyl carbamate having the formula FORM:1118085/C2/1 It may be prepared by reacting in a suitable inert solvent the compound of formula FORM:1118085/C2/2 with methyl isocyanate or with monomethyl carbamic acid chloride at room temperature or a temperature not higher than 80 DEG C. The 3,5-dimethyl - 4 - dimethylaminomethyl-phenol used as starting material may be prepared by reacting 3,5-dimethylanisole with hydrochloric acid, treating the product with dimethylamine and making the product strongly alkaline with caustic soda solution.