3,4-Bis(benzyloxy)-6-[(3-(difluoromethyl)phenyl)ethynyl]pyridazine → HCID 178518812、化合物
反応式
C([O:8][C:9]1[N:10]=[N:11][C:12]([C:23]#[C:24][C:25]2[CH:30]=[CH:29][CH:28]=[C:27]([CH:31]([F:33])[F:32])[CH:26]=2)=[CH:13][C:14]=1[O:15]CC1C=CC=CC=1)C1C=CC=CC=1>C(O)C.O1CCCC1>[F:33][CH:31]([F:32])[C:27]1[CH:26]=[C:25]([CH2:24][CH2:23][C:12]2[CH:13]=[C:14]([OH:15])[C:9](=[O:8])[NH:10][N:11]=2)[CH:30]=[CH:29][CH:28]=1参加物
4
実験手順
Prepared as described for 4-hydroxy-6-(2-phenethyl)pyridazin-3(2H)-one (Example 1) from 3,4-bis(benzyloxy)-6-[(3-(difluoromethyl)phenyl)ethynyl]pyridazine (Intermediate 22) except that the reaction was carried out in a mixture of ethanol and tetrahydrofuran (1:1). The crude material was purified by reverse phase chromatography (25 g C18) cartridge eluting with 5-100% acetonitrile/water with acidic modifier and the appropriate fractions combined to give a pale orange solid (yield=32%).