Fig. 4: Scope of organoboronic pinacol esters. | Nature Communications

Fig. 4: Scope of organoboronic pinacol esters.

From: Overcoming limitations in Chan-Lam amination with alkylboronic esters via aminyl radical substitution

Fig. 4

aConditions: N-nucleophile (0.2 mmol, 1.0 equiv), alkylboronic pinacol esters (0.3 mmol, 1.5 equiv), Cu(MeCN)4PF6 (15 mol%), oxidant O1 (3.0 equiv), amine A1 (1.5 equiv) and BTMG (1.5 equiv) in MeCN (0.1 M), ambient temperature for 3-6 h. bConditions: N-nucleophile (0.2 mmol, 1.0 equiv), organoboronic pinacol esters (0.3 mmol, 1.5 equiv), CuI (15 mol%), oxidant O2 (3.0 equiv), amine A1 (1.5 equiv) and BTMG (1.5 equiv) in MeCN (0.1 M), ambient temperature for 6 h. c2.0 equiv of alkylboronic pinacol esters was used. Yields denote isolated yields.

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