Acetyl chloride → 1-(4-((5-(6-(Benzo[d]thiazol-6-ylamino)-4-(isopropylamino)pyridin-3-yl)-1,3,4-oxadiazol-2-yl)amino)piperidin-1-yl)ethanone

HRID 595428ノート

反応式

HRID 595428 の反応式
[S:1]1[C:5]2[CH:6]=[C:7]([NH:10][C:11]3[CH:16]=[C:15]([NH:17][CH:18]([CH3:20])[CH3:19])[C:14]([C:21]4[O:22][C:23]([NH:26][CH:27]5[CH2:32][CH2:31][NH:30][CH2:29][CH2:28]5)=[N:24][N:25]=4)=[CH:13][N:12]=3)[CH:8]=[CH:9][C:4]=2[N:3]=[CH:2]1.C1C[O:36][CH2:35][CH2:34]1.CCN(C(C)C)C(C)C.C(Cl)(=O)C>C(Cl)Cl.CN(C1C=CN=CC=1)C>[S:1]1[C:5]2[CH:6]=[C:7]([NH:10][C:11]3[N:12]=[CH:13][C:14]([C:21]4[O:22][C:23]([NH:26][CH:27]5[CH2:32][CH2:31][N:30]([C:35](=[O:36])[CH3:34])[CH2:29][CH2:28]5)=[N:24][N:25]=4)=[C:15]([NH:17][CH:18]([CH3:20])[CH3:19])[CH:16]=3)[CH:8]=[CH:9][C:4]=2[N:3]=[CH:2]1

参加物

7

反応物 4

HCID 6367Acetyl chlorideHCID 8028TetrahydrofuranHCID 81531DiisopropylethylamineHCID 89690939N2-(benzo[d]thiazol-6-yl)-N4-isopropyl-5-(5-(piperidin-4-ylamino)-1,3,4-oxadiazol-2-yl)pyridine-2,4-diamine

生成物 1

HCID 896909411-(4-((5-(6-(Benzo[d]thiazol-6-ylamino)-4-(isopropylamino)pyridin-3-yl)-1,3,4-oxadiazol-2-yl)amino)piperidin-1-yl)ethanone

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6344Dichloromethane溶媒2 回

実験手順

To a stirred solution of N2-(benzo[d]thiazol-6-yl)-N4-isopropyl-5-(5-(piperidin-4-ylamino)-1,3,4-oxadiazol-2-yl)pyridine-2,4-diamine (Example 131) (40 mg, 0.08 mmol) in DCM (5 mL): THF (5 mL), added DIPEA (0.08 mmol, 1.5 equiv.) and DMAP (0.008 mmol, 0.1 equiv.) and stirred for 5 min. Added acetyl chloride (0.8 mmol, 0.8 equiv.) dropwise at 0° C. Stirred the reaction mixture at 0° C. for 1 h, the reaction temperature was raised to room temperature and stirred overnight. The reaction mixture was diluted with DCM. The DCM layer was washed with 10% NaHCO3 solution followed by water. The DCM layer was collected, dried over Na2SO4, filtered and concentrated. The material obtained was purified by prep HPLC to afford the title compound, 1-(4-((5-(6-(benzo[d]thiazol-6-ylamino)-4-(isopropylamino)pyridin-3-yl)-1,3,4-oxadiazol-2-yl)amino)piperidin-1-yl)ethanone. 1H NMR: 400 MHz, CD3OD: δ 1.34 (d, J=6.40 Hz, 6H), 1.57-1.66 (m, 2H), 1.97 (s, 3H), 2.00-2.06 (m, 2H), 3.77-3.82 (m, 1H), 3.93-3.98 (m, 1H), 4.03-4.06 (m, 2H), 6.17 (s, 1H), 7.53-7.56 (m, 1H), 7.98 (d, J=8.80 Hz, 1H), 8.38 (s, 1H), 8.43 (d, J=2.00 Hz, 1H), 9.08 (s, 1H). LC/MS: ZORBAX SB C18, 4.6×50 mm, 5 μm; Solvent A=10% MeOH: 90% H2O: 0.1% TFA; Solvent B=90% MeOH: 10% H2O: 0.1% TFA; gradient 0-100% B over 2 min (3 min run time); retention time: 1.514 min; LCMS (ES-API), m/z 493.2 (M+H). HPLC: Sunfire C18 (150×4.6 mm), 3.5 micron; Solvent A=5% ACN: 95% H2O: 0.05% TFA pH=2.5; Solvent B=95% ACN: 5% H2O: 0.05% TFA pH=2.5; gradient 0-100% B over 15 min (23 min run time); Flow rate: 1.0 μL/min; Retention time: 5.396 min; Purity: 99.4%.

後処理

  1. customdropwise at 0° C
  2. stirringStirred the reaction mixture at 0° C. for 1 h
  3. stirringstirred overnight
  4. washThe DCM layer was washed with 10% NaHCO3 solution
  5. customThe DCM layer was collected
  6. dry with materialdried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customThe material obtained
  10. customwas purified by prep HPLC

出典と根拠

ORDレコード
ord-e4d55ac9c77747e68b3fd1eb999ab760
出典データセット
uspto-grants-2016_01
特許番号
US09242975B2

反応ノート

読み込み中…