Process for the preparation of 5-chloro-3-chlorosulphonyl-2-thiophenecarboxylic acid esters

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Aug 11, 1992
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Dec 2, 1991
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May 2, 1988

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Abstract

Process for the preparation of 5-chloro-3-chlorosulphonyl-2-thiophenecarboxylic acid esters by chlorination in the presence of activated iron.

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Patent Owner	Address
NYCOMED DANMARK APS	DANE KEELER HVIDORVE REGION HOVEDSTADEN

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C07D:HETEROCYCLIC COMPOUNDS

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Inventor Name	Address	# of filed Patents	Total Citations
Wagner, Hans P	Itingen, CH	1	19

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Process for the preparation of 5-chloro-3-chlorosulphonyl-2-thiophenecarboxylic acid esters

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United States of America Patent

07800702

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