1-substituted 2,5-dithienyl pyrrole derivatives and film-forming materials
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United States of America Patent
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-
Jan 1, 2002
Grant Date -
Oct 4, 2001
app pub date -
Mar 12, 2001
filing date -
Mar 13, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A 1-substituted 2,5-dithienylpyrrole derivative having the following formula (I). ##STR1## in which R is hydrogen, a substituted or non-substituted alkyl group, or a substituted or non-substituted aromatic group, Y is hydrogen or cyano group, it can be involved the case that one of Ys may be hydrogen and the other may be cyano group, and n is an integer of 1 to 3. The derivative is used for forming films.
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