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Bridged cyanine dyes. Part 2 . 1‐( N ‐methyl‐2‐benzothiazolylinio)‐3‐( N ‐methyl‐2‐benzothiazolylene) and 1‐( N ‐methyl‐4‐pyridinio)‐3‐( N ‐methyl‐4‐pyridylene)cyclopenta‐1,4‐dienes with fused rings
Author(s) -
Katritzky Alan R.,
Liang DeSheng,
Fan WeiQiang
Publication year - 1988
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.5570250509
Subject(s) - chemistry , cyanine , propane , ring (chemistry) , medicinal chemistry , stereochemistry , organic chemistry , fluorescence , physics , quantum mechanics
1,3‐Bis( N ‐methyl‐4‐pyridyl)‐ and 1,3‐bis( N ‐methyl‐2‐benzothiazolyl)‐propane diiodides react with 1,2‐cyclohexanedione, tetrachloro‐1,2‐ and ‐1,4‐benzoquinone, 2,3‐dichloronaphthoquinone, 3,4‐dichloromaleimide and 2,3‐dichloroquinoxaline to give novel fused ring bridged cyanine dyes.