反应详情

According to the procedure of Example 53, Step 3, using methyl (1S,2R)-2-amino-1-ethylcyclopentanecarboxylate (410 mg, 1.97 mmol) and 4-(2-methyl-quinolin-4-ylmethoxy)-benzenesulfonyl chloride hydrochloride (917 mg, 2.39 mmol), methyl (1S,2R)-1-ethyl-2-[({4-[(2-methylquinolin-4-yl)methoxy]phenyl}sulfonyl)amino]cyclopentanecarboxylate (609 mg, 1.26 mmol, 64%) was obtained as a colorless solid after purification via column chromatography on silica gel, eluting with 30% ethyl acetate/hexanes. 1H NMR (400 MHz, CHLOROFORM-D) δ ppm 0.80-0.86 (m, 3H) 1.37-1.41 (m, 1H) 1.42-1.48 (m, 2H) 1.50-1.55 (m, 1H) 1.58-1.65 (m, 2H) 1.71-1.82 (m, 2H) 2.12 (ddd, J=12.76, 8.72, 3.54 Hz, 1H) 2.75-2.77 (m, 3H) 3.42 (td, J=9.79, 7.71 Hz, 1H) 3.69-3.71 (m, 3H) 5.57 (s, 2H) 5.64 (d, J=9.60 Hz, 1H) 7.09-7.13 (m, 2H) 7.43 (s, 1H) 7.56 (ddd, J=8.34, 7.07, 1.26 Hz, 1H) 7.74 (ddd, J=8.40, 7.01, 1.52 Hz, 1H) 7.83-7.92 (m, 3H) 8.10 (d, J=7.83 Hz, 1H).