S-37
 
 O=C(N(C(CCCCCCCCCCCCCCCC)CCCCCCCCCCCCCCCC)C7=O)C2=CC=C(C4=CC=C6C5=C(C(N(C(CCCCCCCCCCCCCCCC)CCCCCCCCCCCCCCCC)C6=O)=O)C=CC3=C45)C1=C3C=CC7=C12

N,N‘-Bis(1-octadecylnonadecyl)-3,4:9,10-perylenebis(dicarboximide); 2,9-bis-(1-octadecylnonadecyl)anthra[2,1,9-def;6,5,10-d‘e‘f‘]diisoquinoline-1,3,8,10(2H,9H)-tetraone; 2,9-bis-(19-heptatriacontanyl)anthra[2,1,9-def;6,5,10-d‘e‘f‘]diisoquinoline-1,3,8,10(2H,9H)-tetraone, RN 139260-33-6:
M.p. 84.5C, red crystals. UV (CHCl3): λmax (ε) = 458 nm (18180), 489 (50320), 525 (84400). C74H110N2O4 (1428.3) calcd. C 82.41, H 11.15, N 2.23; found C 82.53, H 11.19, N 2.23.


References, RN 139260-33-6:

*1. Langhals, H.; Demmig, S.; Potrawa, T. ‘The relation between packing effects and solid state fluorescence of dyes’, J. Prakt. Chem. (Leipzig) 1991, 333 , 733-748.

2. Langhals, H.; Demmig, S. ‘Perylene dyes and their use as permanent toner in electrophotography and laser printing’, Ger. Offen. 1991, DE 4007618 A1 19910912.

3. Schott, H.; von Cunow, D.; Langhals, H. ‘Labeling of liposomes with intercalating perylene fluorescent dyes’, Biochim. Biophys. Acta, Biomembranes 1992, 1110, 151-157.


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