Fig. 1From: Synthesis and structural properties of 2-((10-alkyl-10H-phenothiazin-3-yl)methylene)malononitrile derivatives; a combined experimental and theoretical insightGeneral synthetic scheme of title compounds 3a and 3b. (i) 1-Bromohexane (Compound 3a), 1-Bromooctane (Compound 3b), KOH, KI, DMSO; (ii) DMF, POCl3, 0 °C; (iii) Malonitrile, Piperidine, EtOHBack to article page