反应详情

A mixture of tert-butyl {1-[4-(2-bromo-9H-imidazo[1,2-d]pyrido[2,3-b][1,4]benzodiazepin-3-yl)phenyl]cyclobutyl}carbamate (50 mg, 0.090 mmol), (2-methoxy pyrimidin-5-yl)boronic acid (28 mg, 0.18 mmol), bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II) (6 mg, 0.09 mmol), and 2M Na2CO3 aq. (0.090 mL, 0.18 mmol) in DMF (2.5 mL) was treated with microwave (160° C. for 1 hour). The mixture was diluted with AcOEt, washed with water(×3), brine, dried over Na2SO4, then filtrated through Celite pad. The filtrate was concentrated and the residue was purified by preparative thin-layer chromatography (n-hexane/AcOEt=1:2) to afford the desired product (45 mg, 86%) as a yellow solid. 1HNMR (CDCl3) 400 MHz δ: 8.70 (s, 2H), 8.12 (dd, J=7.4 Hz and 1.7 Hz, 1H), 8.02 (d, J=3.4 Hz, 1H), 7.40 (d, J=8.0 Hz, 2H), 7.33 (td, J=8.0 Hz and 1.7 Hz, 1H), 7.18-7.14 (m, 2H), 6.97-6.94 (m, 1H), 6.82-6.79 (m, 1H), 6.61 (dd, J=8.0 Hz and 5.2 Hz, 1H), 6.25 (s, 1H), 5.07 (br s, 1H), 4.01 (s, 3H), 2.57-2.38 (m, 4H), 2.19-2.12 (m, 1H), 1.94-1.86 (m, 1H), 1.39 (br s, 9H). LCMS: 588 [M+H].

1. additionwas treated with microwave (160° C. for 1 hour)
2. washwashed with water(×3), brine
3. dry with materialdried over Na2SO4
4. filtrationfiltrated through Celite pad
5. concentrationThe filtrate was concentrated
6. customthe residue was purified by preparative thin-layer chromatography (n-hexane/AcOEt=1:2)