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Novel dyestuffs containing dicyanomethylidene groups
Author(s) -
Katritzky Alan R.,
Fan WeiQiang,
Liang DeSheng,
Li QiaoLing
Publication year - 1989
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570260607
Subject(s) - chemistry , alkyl , absorption (acoustics) , group (periodic table) , organic chemistry , stereochemistry , optics , physics
Several series of novel compounds have been prepared containing dicyanomethylidene groups including 1‐alkyl‐3‐dicyanomethylideneindol‐2‐ones and 6,6‐dicyanofulvenes. Their visible absorption properties are recorded and discussed.