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First examples of lithium reagents addition in cyanine dyes series

✍ Scribed by Lilia Viteva; Yuri Stefanovski; Tzveta Gospodova; Marie Rose Mazières; Jean Gérard Wolf

Book ID: 104210078
Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 109 KB
Volume: 41
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)00205-7

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✦ Synopsis

The reactivity of the cyanine dyes towards nucleophilic reagents is currently being tested. As in the case of phosphine derivatives, carbanions attack the electrophilic C3 carbon of the pentamethine chain to give, with a good yield, new functionalized podands with cyano, keto, amino, amido, or enol-ether moieties.

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