4-Chloro-2-fluorobenzoyl chloride → (S)-3-(4-chloro-2-fluorophenyl)-N-(1-(2-hydroxyethylamino)-3,3-dimethyl-1-oxobutan-2-yl)-6,7-dihydropyrano[4,3-c]pyrazole-1(4H)-carboxamide

関与物質

反応手順

Compound 88 was prepared according to the procedure for the synthesis of compound 36 by replacing 3,4-difluorobenzoyl chloride with 4-chloro-2-fluorobenzoyl chloride. LCMS (+ESI) m/z=453.3 [M+H]+. 1H NMR (CDCl3) δ 7.90 (d, J=9.0 Hz, 1H), 7.67 (t, J=8.1 Hz, 1H), 7.16-7.24 (m, 2H), 6.45 (br, 1H), 4.65 (s, 2H), 4.18 (d, J=9.1 Hz, 1H), 3.94 (t, J=5.6 Hz, 2H), 3.73 (br, 2H), 3.45 (br, 2H), 3.17 (br, 2H), 1.10 (s, 9H). Purity: 98%.

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