Process for preparing benzo[1,2-b;4,5-b′]dithiophene-4,8-dicarboxylic acid or its 2,3-dihydro derivative

Process for preparing benzo[1,2-b;4,5-b′]dithiophene-4,8-dicarboxylic acid or its 2,3-dihydro derivative

The invention relates to a process for preparing benzo[1,2-b;4,5-b′]dithiophene-4,8-dicarboxylic acid or its 2,3-dihydro derivative, and to novel products prepared by this process.

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1. Verfasser: KRIEGBAUM EVA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The invention relates to a process for preparing benzo[1,2-b;4,5-b′]dithiophene-4,8-dicarboxylic acid or its 2,3-dihydro derivative, and to novel products prepared by this process.