4-(4-tert-Butoxycarbonylpiperazinyl)phenylboronic acid, pinacol ester → 2-(Trimethylsilyl)ethyl 4-{4-[4-(tert-butoxycarbonyl)piperazin-1-yl]phenyl}isoquinoline-6-carboxylate

Participants

Reaction Steps

Using 2-(trimethylsilyl)ethyl 4-{[(trifluoromethyl)sulfonyl]oxy}isoquinoline-6-carboxylate (1.00 g, 2.38 mmol) and tert-butyl-4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazine-1-carboxylate (998 mg, 2.57 mmol), the desired title compound (1.01 g, yield 79%) was obtained by the same method as in Example 4 (4a).

Provenance & Evidence