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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
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HRID 221899 반응식
[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]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 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

생성물 1

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

시약·촉매·용매 3

HCID 887
Methanol
용매
HCID 962Water용매
HCID 6344Dichloromethane용매

실험 절차

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.

후처리

  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)

출처 및 근거

ORD 기록
ord-b98eb7c3a5e24990bd97cdf51f8340a0
출처 데이터셋
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08207166B2

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