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a) Post‐functionalization / dimerization of 2 a. b) Synthesis of dimers 8 and 10. c) Postfunctionalization of 2 l / synthesis of 12. Conditions: i) N‐iodosuccinimide (NIS; 1.1 equiv), DCM, rt, 16 h; ii) N‐bromosuccinimide (NBS; 1.1 equiv), DCM, rt, 16 h; iii) phenylacetylene (3 equiv), Pd(Ph3P)4 (5 mol %), CuI (10 mol %), Et3N, 90 °C, 2 d. [a] 10 showed high instability, therefore characterization was limited to a 1H NMR and a HR‐MS spectrum.
