反应详情

A mixture of tert-butyl-N-[1-[(1-bromoisoquinolin-3-yl)amino]-1-oxopropan-2-yl]-carbamate B4a (500 mg, 1.27 mmol), ethynyl(trimethyl)silane (137 mg, 1.4 mmol), copper(I) iodide (23 mg, 0.12 mmol), Dichlorobis(triphenylphosphine)palladium(II) (90 mg, 0.13 mmol) and DIPEA (700 μl, 4.12 mmol) is stirred under argon atmosphere in NMP (4 ml) for 1 h at 80° C. The mixture is concentrated in vacuo and the product purified by RP HPLC. Yield: 319 mg (61%). HPLC-MS: M+H=412; tR=2.11 min (*Method—4).

1. concentrationThe mixture is concentrated in vacuo
2. customthe product purified by RP HPLC