发明授权
US5493057A Chloroethylsulfonylbenzaldehydes 失效
氯乙磺酰苯甲醛

Chloroethylsulfonylbenzaldehydes
摘要:
Chloroethylsulfonylbenzaldehydes of the formula ##STR1## where n is 1 or 2 and the ring A may be substituted with halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkysulfonyl, nitro or hydroxysulfonyl, are prepared.
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