New push-pull dyes based on 2-(3-oxo-2,3-dihydro-1H-cyclopenta[b] naphthalen-1-ylidene)malononitrile: An amine-directed synthesis

Corentin Pigot, Guillaume Noirbent, Sebastien Peralta, Sylvain Duval, Thanh-Tuan Bui, Pierre-Henri Aubert, Malek Nechab, Didier Gigmes, Frederic Dumur,
Dyes and Pigments, 175 108182 (2020)