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US 5,493,057 AGranted
Chloroethylsulfonylbenzaldehydes
AssigneeBASF SE
InventorsClaus Marschner, Manfred Patsch
Life of this patent
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Abstract
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.
Claims2
Chloroethylsulfonylbenzaldehydes of the formula I ##STR6## where n is 1 or 2 and the ring A is optionally further substituted with halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylsulfonyl, nitro, or hydroxy sulfonyl.
Dependencies are inferred from the claim text.