反应详情

Example 21 was prepared according to procedures described in Example 2, Step A and Step C, substituting tert-butyl 3-((1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)methyl)azetidine-1-carboxylate for tert-butyl 4-(1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylate in Step A and 4-chlorophenyl chloroformate for 1,1,1-trifluoropropan-2-yl chloroformate in Step C. 1H NMR (500 MHz, CDCl3) δ 8.09 (d, J=8.25 Hz, 2 H), 7.62 (d, J=8.80 Hz, 2 H), 7.29-7.36 (m, 3 H), 7.05-7.12 (m, 2 H), 6.16-6.25 (m, 2 H), 4.38 (app br. s, 1 H), 4.28 (app br. s, 1 H), 4.21 (d, J=6.05 Hz, 2 H), 4.09 (app br. s, 1 H), 4.00 (app br. s, 1 H), 3.14-3.23 (m, 1 H), 3.11 (s, 3 H). MS (ESI) 489 (M+H).

1. customExample 21 was prepared