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. 2021 Dec 1;122(1):565–788. doi: 10.1021/acs.chemrev.1c00449

Scheme 76. Synthesis of Vinylene- and Thiophene-Bridged S- and Se-Annulated PDI Dimers.

Scheme 76

Reagents and conditions: (a)146 Pd(PPh3)2Cl2, toluene, reflux, 24 h, 77–80%; (b)147 I2, toluene, hν (Hg lamp), 36 h, 55%.