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Pivaloyl chloride → 6-(benzyloxy)-7-(5-(4-fluorobenzyl)thiazol-2-yl)-1-(2-oxo-2-(4-pivaloylpiperazin-1-yl)ethyl)imidazo[1,2-a]pyrimidin-5(1H)-one

HRID 1971843
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HRID 1971843 반응식
[CH2:1]([O:8][C:9]1[C:14](=[O:15])[N:13]2[CH:16]=[CH:17][N:18]([CH2:19][C:20](=[O:27])[N:21]3[CH2:26][CH2:25][NH:24][CH2:23][CH2:22]3)[C:12]2=[N:11][C:10]=1[C:28]1[S:29][C:30]([CH2:33][C:34]2[CH:39]=[CH:38][C:37]([F:40])=[CH:36][CH:35]=2)=[CH:31][N:32]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CCN(C(C)C)C(C)C.[C:50](Cl)(=[O:55])[C:51]([CH3:54])([CH3:53])[CH3:52].C(=O)(O)[O-].[Na+]>C(Cl)Cl>[CH2:1]([O:8][C:9]1[C:14](=[O:15])[N:13]2[CH:16]=[CH:17][N:18]([CH2:19][C:20](=[O:27])[N:21]3[CH2:26][CH2:25][N:24]([C:50](=[O:55])[C:51]([CH3:54])([CH3:53])[CH3:52])[CH2:23][CH2:22]3)[C:12]2=[N:11][C:10]=1[C:28]1[S:29][C:30]([CH2:33][C:34]2[CH:35]=[CH:36][C:37]([F:40])=[CH:38][CH:39]=2)=[CH:31][N:32]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 62493Pivaloyl chlorideHCID 81531DiisopropylethylamineHCID 516892Sodium BicarbonateHCID 581268766-(Benzyloxy)-7-(5-(4-fluorobenzyl)thiazol-2-yl)-1-(2-oxo-2-(piperazin-1-yl)ethyl)imidazo[1,2-a]pyrimidin-5(1H)-one

생성물 1

HCID 581269226-(benzyloxy)-7-(5-(4-fluorobenzyl)thiazol-2-yl)-1-(2-oxo-2-(4-pivaloylpiperazin-1-yl)ethyl)imidazo[1,2-a]pyrimidin-5(1H)-one
수율 90%

시약·촉매·용매 1

HCID 6344Dichloromethane용매

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온도
0 °C

실험 절차

A mixture of the product of example 112 (200 mg, 0.36 mmol) and DIPEA (50.94 mg, 0.39 mmol) in CH2Cl2 (10 ml) was stirred at 0° C. Then pivaloyl chloride (47.48 mg, 0.39 mmol) was added dropwise. The mixture was stirred at room temperature for 2 hours, after which saturated sodium bicarbonate was added and then extracted with ethyl acetate. The extracts were combined, washed with brine, and then dried over sodium sulfate. The product was purified by column chromatography (CH2Cl2/MeOH=10/1) to give the desired product (207 mg, 90% yield).

후처리

  1. stirringThe mixture was stirred at room temperature for 2 hours
  2. extractionextracted with ethyl acetate
  3. washwashed with brine
  4. dry with materialdried over sodium sulfate
  5. customThe product was purified by column chromatography (CH2Cl2/MeOH=10/1)

출처 및 근거

ORD 기록
ord-b835cf3b4cf2462ab86da827fad5e835
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08431581B2

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