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US5750779A Preparation process of acyl halide or sulfonyl halide 失效
酰卤或磺酰卤的制备方法

Preparation process of acyl halide or sulfonyl halide
摘要:
A preparation process of acyl halide or sulfonyl halide which comprises reacting corresponding carboxylic acid or sulfonic acid with a haloiminium salt represented by the general formula (1): ##STR1## wherein R.sup.1 and R.sup.2 are same or different lower alkyl groups, X is a halogen atom, and n is an integer of 2 or 3.
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