Production of dibenzoxazolylthiophenes

Details Production of dibenzoxazolylthiophenes Production of dibenzoxazolylthiophenes

1991-08-30

1993-06-22

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D26362

Patent

active

052217493

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:
patent: 3255199 (1966-06-01), Maeder et al.
patent: 5071993 (1991-12-01), Leppard
Kossmehl et al., "Liquid Crystalline Compounds in the Thiophene Series", Z. Naturforsch, 38b, 1669-1677, 1983.
Chem. Abstracts, Ogata, vol. 82, 112371w, (1975).
Chem. Abstracts, Kossmehl, vol. 101, 23251a, (1984).
Chem. Abstracts, Torikov, vol. 87, 5747e, (1977).

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