N,N‘-Bis(1-propybutyl)-3,4:9,10-perylenebis(dicarboximide); 2,9-bis-(1-propylbutyl)anthra[2,1,9-def;6,5,10-d‘e‘f‘]diisoquinoline-1,3,8,10(2H,9H)-tetraone; 2,9-bis-(4-heptyl)anthra[2,1,9-def;6,5,10-d‘e‘f‘]diisoquinoline-1,3,8,10(2H,9H)-tetraone, RN 110590-82-4:
M.p. >360C, red crystals. UV (CHCl3): λmax (ε) = 458 nm (18200), 489 (51400), 525 (85510). C38H38N2O4 (586.7) calcd. C 77.79, H 6.53, N 4.77; found C 77.67, H 6.31, N 4.64.

References, RN 110590-82-4:

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16. Horinouchi, H.; Sakai, H.; Araki, Y.; Sakanoue, T.; Takenobu, T.; Wada, T.; Tkachenko, Nikolai V.; Hasobe, T. ‘Controllable electronic structures and photoinduced processes of bay-linked perylenediimide dimers and a ferrocene-linked triad’, Chem. Europ. J., 2016, 22, 9631-9641.

17. Zhao, Donglin; Wu, Qinghe; Yu, Luping; Cai, Zhengxu ‘Preparation of electron acceptors based on alpha-position substituted perylene diimide derivatives for organic photovoltaic solar cells’, PCT Int. Appl., 2017,WO 2017117477 A1 20170706.