A fluorescent meso-phenothiazinyl 3-pyrrolyl BODIPY was synthesized in two steps. In the first step, 3formyl phenothiazine was condensed with pyrrole under acid-catalyzed conditions in CH₂Cl₂ to afford meso-phenothiazinyl dipyrromethane. In...
Tripathi et al. (Wed,) studied this question.