JPS6034554B
Procedure for obtaining 3-halogen-sulfonyl-thiophene-carboxylic acid compounds of the formula *** (See formula I) in which R1 means the radical *** (See formula II) or a hydrogen atom R2 is a hydrogen atom whenever R1 means the radical *** (See formula III) or the radical *** (See formula IV) Whenev...
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Zusammenfassung: | Procedure for obtaining 3-halogen-sulfonyl-thiophene-carboxylic acid compounds of the formula *** (See formula I) in which R1 means the radical *** (See formula II) or a hydrogen atom R2 is a hydrogen atom whenever R1 means the radical *** (See formula III) or the radical *** (See formula IV) Whenever R1 means a hydrogen atom R3 is an aliphatic radical or a hydrogen atom and X represents an atom halogen. (Machine-translation by Google Translate, not legally binding) |
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