Reaction Steps
To a solution of COMPOUND 142 (61 mg, 0.12 mmol) in CH2Cl2 (1 mL) and Et3N (33 μL, 0.24 mmol) was added cyclopropanecarbonyl chloride (17 μL, 0.18 mmol) and the solution was stirred at room temperature for 4 hours to afford COMPOUND 153 as a white solid (69 mg, 100%) following work-up and purification. 1H NMR (CDCl3) δ 0.75-0.83 (m, 2H), 1.01 (m, 6H), 1.01-1.16 (m, 1H), 1.42-1.61 (m, 2H), 1.61-1.77 (m, 3H), 2.15 (t, 1H, J=11.1 Hz), 2.30 (s, 6H), 2.55 (t, 1H, J=10.8 Hz), 2.74-2.86 (m, 3H), 3.28 (t, 1H, J=11.1 Hz), 3.54 (m, 1H), 3.76 (s, 2H), 3.85 (m, 1H), 6.50 (d, 2H, J=6.49 (d, 2H, J=8.4 Hz), 6.91-6.99 (m, 3H), 7.24 (d, 2H, J=9.3 Hz), 7.36-7.44 (m, 4H), 7.50 (br s, 1H), 8.40 (br s, 1H). 13C NMR (CDCl3) δ 7.98, 8.39, 13.77, 15.72, 19.54, 29.29, 30.57, 31.31, 40.14, 44.03, 48.66, 52.46, 57.39, 60.82, 112.78, 114.85, 119.40, 122.01, 127.67, 128.79, 129.56, 129.66, 130.50, 130.82, 131.47, 134.45, 138.91, 142.66, 145.31, 170.35, 172.09. ES-MS m/z 578 (M+H). Anal. Calcd. for C36H43N5O2.0.3CH2Cl2: C, 72.28; H, 7.28; N, 11.61. Found. C, 72.57; H, 7.38; N, 11.30.