反应详情

Example 41 was prepared in 89% yield according to procedures described in Example 21 substituting 2-chloro-5-cyclopropylpyrimidine and 1-(3,4-dichlorophenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl for 5-bromo-2-chloropyrimidine and 1-(4-cyano-3-fluorophenyl)-6-oxo-4-(piperidin-4-yloxy)-1,6-dihydropyridazine-3-carbonitrile HCl salt. 1H NMR (400 MHz, CDCl3) δ ppm 0 1.90-2.01 (m, 2H) 2.01-2.19 (m, 2H) 3.78-3.91 (m, 2H) 3.99-4.19 (m, 2H) 4.52-4.93 (m, 1H) 6.32 (s, 1H) 7.60-7.71 (m, 2H) 7.71-7.82 (m, 1H) 8.31 (s, 2H). MS (ESI) 497 (M+H).

1. customExample 41 was prepared in 89% yield