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Fig. 6. Regioconvergent hydrochlorination and its applications.
(i) KI (2.5 eq.), K2CO3 (2.5 eq.), MeCN, 80 °C, 24 h. (ii) KI (2.5 eq.), K2CO3 (2.5 eq.), DMF, 80 °C, 24 h.