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Trifluoroacetic acid → 1-{5-tert-butyl-2-[3-(3-hydroxy-propylamino)-phenyl]-2H-pyrazol-3-yl}-3-[4-(pyridin-4-yloxy)-phenyl]-urea

HRID 221899
ノート
印刷プレビュー

反応式

HRID 221899 の反応式
[C:1]([C:5]1[CH:6]=[C:7]([NH:28][C:29]([NH:31][C:32]2[CH:37]=[CH:36][C:35]([O:38][C:39]3[CH:44]=[CH:43][N:42]=[CH:41][CH:40]=3)=[CH:34][CH:33]=2)=[O:30])[N:8]([C:10]2[CH:15]=[CH:14][CH:13]=[C:12]([NH:16][CH2:17][CH2:18][CH2:19][O:20][Si](C(C)(C)C)(C)C)[CH:11]=2)[N:9]=1)([CH3:4])([CH3:3])[CH3:2].C(O)(C(F)(F)F)=O.C([O-])(O)=O.[Na+]>CO.O.C(Cl)Cl>[C:1]([C:5]1[CH:6]=[C:7]([NH:28][C:29]([NH:31][C:32]2[CH:33]=[CH:34][C:35]([O:38][C:39]3[CH:40]=[CH:41][N:42]=[CH:43][CH:44]=3)=[CH:36][CH:37]=2)=[O:30])[N:8]([C:10]2[CH:15]=[CH:14][CH:13]=[C:12]([NH:16][CH2:17][CH2:18][CH2:19][OH:20])[CH:11]=2)[N:9]=1)([CH3:4])([CH3:2])[CH3:3]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 6422Trifluoroacetic acidHCID 516892Sodium BicarbonateHCID 536301951-(5-tert-butyl-2-{3-[3-(tert-butyl-dimethyl-silanyloxy)-propylamino]-phenyl}-2H-pyrazol-3-yl)-3-[4-(pyridin-4-yloxy)-phenyl]-urea

生成物 1

HCID 115696011-{5-tert-butyl-2-[3-(3-hydroxy-propylamino)-phenyl]-2H-pyrazol-3-yl}-3-[4-(pyridin-4-yloxy)-phenyl]-urea収率 86.2%

試薬・触媒・溶媒 3

HCID 887
Methanol
溶媒
HCID 962Water溶媒
HCID 6344Dichloromethane溶媒

実験手順

To a solution of 1-(5-tert-butyl-2-{3-[3-(tert-butyl-dimethyl-silanyloxy)-propylamino]-phenyl}-2H-pyrazol-3-yl)-3-[4-(pyridin-4-yloxy)-phenyl]-urea (117 mg, 0.19 mmol) in methanol (2 mL) was added a solution of 10% TFA in H2O (2 mL). The reaction was stirred at room temperature overnight. The mixture was then diluted with DCM, basified by the addition of saturated aq NaHCO3 and extracted with DCM. The combined organic phases were washed with brine, dried over MgSO4, and concentrated at reduced pressure. The crude residue was purified by MPLC (eluting with 4% to 5.5% MeOH in DCM) to give 82 mg (86%) of the desired product 1-{5-tert-butyl-2-[3-(3-hydroxy-propylamino)-phenyl]-2H-pyrazol-3-yl}-3-[4-(pyridin-4-yloxy)-phenyl]-urea. 1H-NMR (DMSO-d6) δ 9.18 (s, 1H), 8.40 (dd, J=1.7 & 4.7 Hz, 2H), 8.32 (s, 1H), 7.48 (d, J=9.0 Hz, 2H), 7.17 (t, J=7.9 Hz, 1H), 7.07 (d, J=9.1 Hz, 2H), 6.85 (dd, J=1.5 & 4.7 Hz, 2H), 6.63-6.56 (m, 3H), 6.33 (s, 1H), 5.91 (t, J=5.3 Hz, 1H), 4.47 (t, J=5.1 Hz, 1H), 3.48 (q, J=6.1 Hz, 2H), 3.06 (q, J=6.6 Hz, 2H), 1.69 (quintet, J=6.5 Hz, 2H), 1.26 (s, 9H); MS LC-MS [M+H]+=501.2, RT=2.29 min.

後処理

  1. extractionextracted with DCM
  2. washThe combined organic phases were washed with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated at reduced pressure
  5. customThe crude residue was purified by MPLC (eluting with 4% to 5.5% MeOH in DCM)

出典と根拠

ORDレコード
ord-b98eb7c3a5e24990bd97cdf51f8340a0
出典データセット
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08207166B2

反応ノート

読み込み中…

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