反応式
Br[C:2]1[CH:6]=[N:5][N:4]([CH3:7])[C:3]=1[C:8]([OH:10])=O.C1COCC1.B.C1COCC1.[Cl:22][C:23]1[C:28]([F:29])=[CH:27][CH:26]=[C:25]([O:30][CH3:31])[C:24]=1[C@H:32]([C:34]1[C:42]2[C:37](=[N:38][CH:39]=[C:40](B3OC(C)(C)C(C)(C)O3)[CH:41]=2)[NH:36][CH:35]=1)[CH3:33].C([O-])([O-])=O.[K+].[K+].O>[Pd](Cl)Cl.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].O1CCOCC1>[Cl:22][C:23]1[C:28]([F:29])=[CH:27][CH:26]=[C:25]([O:30][CH3:31])[C:24]=1[C@H:32]([C:34]1[C:42]2[C:37](=[N:38][CH:39]=[C:40]([C:2]3[CH:6]=[N:5][N:4]([CH3:7])[C:3]=3[CH2:8][OH:10])[CH:41]=2)[NH:36][CH:35]=1)[CH3:33]参加物
反応物 6
生成物 1
試薬・触媒・溶媒 2
反応条件
- 温度
- 60 °C
実験手順
To a solution of 4-bromo-2-methyl-2H-pyrazole-3-carboxylic acid (20.0 mg, 0.0976 mmol) in THF (3 mL, 40 mmol) was added 1.0 M of BH3.THF in THF (0.49 mL, 0.49 mmol), and the resulting solution was heated to 60° C. overnight. The material was extracted with EtOAc, and washed with sat. NaHCO3 (3×) to remove carboxylic acid starting material. The organic layer was concentrated in vacuo. 3-[(S)-1-(2-Chloro-3-fluoro-6-methoxyphenyl)-ethyl]-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine (15.0 mg, 0.0348 mmol), (1,1′bis-(diphenylphosphino)-ferrocene) palladium dichloride (3.57 mg, 0.00488 mmol), K2CO3 (20.2 mg, 0.146 mmol) and 4:1 dioxane:H2O (1 mL, 10 mmol) were added, and the mixture was heated to 95° C. for 30 min. The solution was used directly for HPLC purification, and the fractions containing the pure product were concentrated in vacuo to afford the title compound as a white solid. 1H NMR (400 MHz, CD3OD): δ=1.80 (d, J=7.1 Hz, 3H), 3.67 (br. s., 3H), 3.96 (s, 3H), 4.55 (s, 2H), 5.08-5.17 (m, 1H), 6.90 (dd, J=9.1, 4.3 Hz, 1H), 7.08 (t, J=8.8 Hz, 1H), 7.34 (d, J=1.3 Hz, 1H), 7.46 (s, 1H), 7.53 (s, 1H), 8.15-8.22 (m, 1H). MS (ES+): m/z=415.13/417.13 (100/50) [MH+]. HPLC: tR=1.37 min (polar—3 min, UPLC-ACQUITY).
後処理
- extractionThe material was extracted with EtOAc
- washwashed with sat. NaHCO3 (3×)
- customto remove carboxylic acid starting material
- concentrationThe organic layer was concentrated in vacuo
- temperaturethe mixture was heated to 95° C. for 30 min
- customThe solution was used directly for HPLC purification
- additionthe fractions containing the pure product
- concentrationwere concentrated in vacuo
出典と根拠
- ORDレコード
- ord-1c0af1c6a3194b4fade5bbeb6e63cdaf
- 出典データセット
- uspto-grants-2013_05
- 特許番号
- US08445510B2
関連ノート
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