1-(tert-Butoxycarbonyl)-4-(methanesulfonyloxy)piperidine → Tert-butyl 4-(5-chloro-1-(4-(methylsulfonyl)phenyl)-2-oxo-1,2-dihydropyridin-4-yloxy)piperidine-1-carboxylate

関与物質

反応手順

Example 226 was prepared according to the procedures described in Example 221 substituting tert-butyl 4-(methylsulfonyloxy)piperidine-1-carboxylate for 1-(5-cyclopropylpyrimidin-2-yl)piperidin-4-yl methanesulfonate, 2-(5-chloro-4-hydroxy-2-oxopyridin-1(2H)-yl)-5-(methylsulfonyl)benzene-1-ylium for 4-hydroxy-1-(4-(methylsulfonyl)phenyl)-6-oxo-1,6-dihydropyridine-3-carbonitrile in Step B. 1H NMR (500 MHz, CDCl3) δ ppm 8.07 (d, J=8.25 Hz, 2 H), 7.61 (d, J=8.80 Hz, 2 H), 7.42 (s, 1 H), 6.03 (s, 1 H), 4.52-4.68 (m, 1 H), 3.57-3.73 (m, 2 H), 3.40-3.56 (m, 2 H), 3.08 (s, 3 H), 1.76-2.02 (m, 4 H), 1.46 (s, 9 H). MS (ESI) 482 (M+H).

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