76238-99-8Relevant academic research and scientific papers
Effect of Substituents in the 5' and 7' Positions on the Spectra of Merocyanines of 1,3,3-Trimethyl-6'-nitroindoline-2-spiro-2'--chromenes
Gal'bershtam, M. A.,Samoilova, N. P.,Bobyleva, G. K.
, p. 352 - 356 (2007/10/02)
The corresponding photochromic 5',7'-disubstituted indolinospirochromenes were obtained by the reaction of 4,6-dialkoxy-5-nitrosalicylaldehydes, as well as 4,6-dimethyl-5-nitrosalicylaldehyde, with 1,3,3-trimethyl-2-methyleneindoline.Bulky electron-donor
