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Diethyl Ether → tert-Butyl 4-(4-((4-chloro-5-(trifluoromethyl)pyrimidin-2-yl)amino)-1H-pyrazol-1-yl)piperidine-1-carboxylate

HRID 1779105
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HRID 1779105 반응식
C(OCC)C.Cl[C:7]1[N:12]=[C:11]([Cl:13])[C:10]([C:14]([F:17])([F:16])[F:15])=[CH:9][N:8]=1.[NH2:18][C:19]1[CH:20]=[N:21][N:22]([CH:24]2[CH2:29][CH2:28][N:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:26][CH2:25]2)[CH:23]=1.CCN(CC)CC>CC(O)(C)C.ClCCCl.[Cl-].[Cl-].[Zn+2]>[Cl:13][C:11]1[C:10]([C:14]([F:17])([F:16])[F:15])=[CH:9][N:8]=[C:7]([NH:18][C:19]2[CH:20]=[N:21][N:22]([CH:24]3[CH2:25][CH2:26][N:27]([C:30]([O:32][C:33]([CH3:36])([CH3:35])[CH3:34])=[O:31])[CH2:28][CH2:29]3)[CH:23]=2)[N:12]=1
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참가 물질

8

반응물 4

HCID 3283Diethyl EtherHCID 8471TriethylamineHCID 27827742,4-Dichloro-5-(trifluoromethyl)pyrimidineHCID 27281520tert-butyl 4-(4-amino-1H-pyrazol-1-yl)piperidine-1-carboxylate

생성물 1

HCID 86712281tert-Butyl 4-(4-((4-chloro-5-(trifluoromethyl)pyrimidin-2-yl)amino)-1H-pyrazol-1-yl)piperidine-1-carboxylate수율 71%

시약·촉매·용매 3

HCID 3007855Zincchloride촉매HCID 111,2-Dichloroethane용매2회HCID 6386tert-Butanol용매2회

실험 절차

A 1.0 M solution of ZnCl2 in diethyl ether (20.7 mL, 20.7 mmol) was added to a solution of 2,4-dichloro-5-(trifluoromethyl)pyrimidine (4.48 g, 20.7 mmol) in t-BuOH (100 mL) and DCE (100 mL). The mixture was stirred for 10 minutes then diluted with t-BuOH (100 mL) and DCE (100 mL) before tert-butyl 4-(4-amino-1H-pyrazol-1-yl)piperidine-1-carboxylate (5.00 g, 18.8 mmol) and Et3N (10.4 mL) were added. The mixture was stirred at room temperature overnight, the volatiles were removed in vacuo and the resultant residue was suspended in water (500 mL) and sonicated for 15 minutes. The solid was isolated by vacuum filtration and the filter cake washed with water (100 mL) and acetone (25 mL) to give the title compound (A133) as a tan solid (5.92 g, 71%); LCMS-A: rt 6.895 min; m/z 445.1 [M−H]−.

후처리

  1. additionwere added
  2. stirringThe mixture was stirred at room temperature overnight
  3. customthe volatiles were removed in vacuo
  4. customsonicated for 15 minutes
  5. customThe solid was isolated by vacuum filtration
  6. washthe filter cake washed with water (100 mL) and acetone (25 mL)

출처 및 근거

ORD 기록
ord-5f8ab7776bd341a9932aef13c0e269cc
출처 데이터셋
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09266864B2

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