反应详情

To 232 g of a toluene solution containing 50.1 g (0.160 mol, E/Z=23/77) of α-methoxyimino-2-(2,5-dimethylphenoxymethyl)phenylacetic acid produced in accordance with Example 5-(1) and 0.117 g (0.0016 mol) of dimethylformamide was added dropwise a mixed solution of 23.8 g (0.240 mol) of phosgene and 45.1 g of toluene over 5 hours while keeping at 60°-65° C., and the reaction was subsequently allowed to proceed at the same temperature for 5 hours, which afforded 239.0 g of a toluene solution of α-methoxyimino-2-(2,5-dimethylphenoxymethyl)phenylacetyl chloride.

1. customwhile keeping at 60°-65° C.