6-bromo-3-[(1S,2S)-2-hydroxycyclohexyl]-10-methyl-7,8,9,10-tetrahydropyrido[3,2-h]quinazolin-4(3H)-one → 6-[(6-chloropyridin-3-yl)methyl]-3-[(1S,2S)-2-hydroxycyclohexyl]-10-methyl-7,8,9,10-tetrahydropyrido[3,2-h]quinazolin-4(3H)-one
反応式
Br[C:2]1[CH:3]=[C:4]2[C:9](=[C:10]3[N:15]([CH3:16])[CH2:14][CH2:13][CH2:12][C:11]=13)[N:8]=[CH:7][N:6]([C@H:17]1[CH2:22][CH2:21][CH2:20][CH2:19][C@@H:18]1[OH:23])[C:5]2=[O:24].[Cl-].[Cl:26][C:27]1[CH:32]=[CH:31][C:30]([CH2:33][Zn+])=[CH:29][N:28]=1>C1COCC1.CC(C)([P](C(C)(C)C)([Pd][P](C(C)(C)C)(C(C)(C)C)C(C)(C)C)C(C)(C)C)C>[Cl:26][C:27]1[N:28]=[CH:29][C:30]([CH2:33][C:2]2[CH:3]=[C:4]3[C:9](=[C:10]4[N:15]([CH3:16])[CH2:14][CH2:13][CH2:12][C:11]=24)[N:8]=[CH:7][N:6]([C@H:17]2[CH2:22][CH2:21][CH2:20][CH2:19][C@@H:18]2[OH:23])[C:5]3=[O:24])=[CH:31][CH:32]=1参加物
反応物 2
生成物 1
試薬・触媒・溶媒 2
実験手順
To a solution of 6-bromo-3-[(1S,2S)-2-hydroxycyclohexyl]-10-methyl-7,8,9,10-tetrahydropyrido[3,2-h]quinazolin-4(3H)-one (40 mg, 0.10 mmol) in THF (0.4 mL) at 0° C. was added (2-chloro-5-pyridyl)methylzinc chloride (0.5 M in THF, 408 μL, 0.20 mmol) and Pd(PtBu3)2. The mixture was warmed to rt and stirred for 30 min. The resulting solution was quenched with water and extracted with CH2Cl2. The combined extracts were dried (Na2SO4) and concentrated. Purification by silica gel chromatography (0-5% MeOH/CH2Cl2) afforded 6-[(6-chloropyridin-3-yl)methyl]-3-[(1S,2S)-2-hydroxycyclohexyl]-10-methyl-7,8,9,10-tetrahydropyrido[3,2-h]quinazolin-4(3H)-one in pure form: 1H NMR (400 MHz, CD3OD); 1H NMR (400 MHz, CDCl3) 8.20 (d, J=2.3 Hz, 1H), 8.03 (s, 1H), 7.59 (s, 1H), 7.33 (dd, J=2.3, 8.2 Hz, 1H), 7.17 (d, J=8.2 Hz, 1H), 4.51 (m, 1H), 3.96 (s, 2H), 3.90 (m, 1H), 3.12 (t, J=5.2 Hz, 2H), 3.08 (s, 3H), 2.56 (t, J=6.5 Hz, 2H), 2.24-2.15 (m, 2H), 2.00-1.92 (m, 2H), 1.89-1.75 (m, 4H), 1.55-1.37 (m, 2H); HRMS (MH+) calcd for C24H28ClN4O2 439.1895. found 439.1894.
後処理
- customThe resulting solution was quenched with water
- extractionextracted with CH2Cl2
- dry with materialThe combined extracts were dried (Na2SO4)
- concentrationconcentrated
- customPurification by silica gel chromatography (0-5% MeOH/CH2Cl2)
出典と根拠
- ORDレコード
- ord-6d8db76fead54a209f70badc2adbf36c
- 出典データセット
- uspto-grants-2016_03
- 特許番号
- US09284312B2
反応ノート
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