Production of thiophene-2,5-dicarboxylic acid diesters, tetrahyd

Details Production of thiophene-2,5-dicarboxylic acid diesters, tetrahyd Production of thiophene-2,5-dicarboxylic acid diesters, tetrahyd

1990-03-12

1992-03-03

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D33338

Patent

active

050935046

ABSTRACT:
There is disclosed a method of producing a thiophene-2,5-dicarboxylic acid diester represented by the formula ##STR1## wherein R' represents an alkyl of 1-8 carbons, a phenyl, a substituted phenyl or benzyl, which comprises:

REFERENCES:
Kossmehl et al., "Liquid Crystalline Compounds in the Thiophene Series", Z. Naturforsch., 38b, 1669-1677, 1983.
Polymer J., 7(1), 72-78 (1975).
Chem. Abst., Ogata, vol. 82, 112371w (1975).
Chem. Abst., Kossmehl, vol. 101, 23251a (1984).
Chem. Abst., Torikov, vol. 87, 5747e (1977).

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