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Figure 3
Preparation of [Por(Phbpy2)2]. (a) (Bpin)2, PdCl2(PPh3)2, dioxane, 80 °C, 21 h; (b) pyrrole, TFA, CH2Cl2, r.t., 1 h, 34% in 2 steps; (c) i) PhCHO, NH4Cl, BF3OEt2, MeCN, 0 °C, 4.5 h; ii) DDQ, r.t., 1 h, 6%; (d) Zn(OAc)2·2(H2O), CHCl3, MeOH, r.t., 4 h, 95%; (e) 6-bromo-6′-methyl-2,2′-bi­pyridine, Pd(PPh3)4, toluene, EtOH, Na2CO3, H2O, reflux, 26 h, 31%.

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ISSN: 2414-3146
Volume 11| Part 3| March 2026| x260259
https://doi.org/10.1107/S2414314626002592