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Potassium Hydroxide → 2-(6-[N,N-bis(tert-butoxycarbonyl)amino]-4-methyl-pyridin-3-ylmethyl)-malonic acid monoethyl ester

HRID 1789838
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인쇄 미리보기

반응식

HRID 1789838 반응식
[OH-].[K+].[CH2:3]([O:5][C:6](=[O:36])[CH:7]([CH2:13][C:14]1[CH:15]=[N:16][C:17]([N:21]([C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])[C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])=[CH:18][C:19]=1[CH3:20])[C:8]([O:10]CC)=[O:9])[CH3:4]>C(O)C.C(Cl)Cl>[CH2:3]([O:5][C:6](=[O:36])[CH:7]([CH2:13][C:14]1[CH:15]=[N:16][C:17]([N:21]([C:22]([O:24][C:25]([CH3:28])([CH3:27])[CH3:26])=[O:23])[C:29]([O:31][C:32]([CH3:33])([CH3:34])[CH3:35])=[O:30])=[CH:18][C:19]=1[CH3:20])[C:8]([OH:10])=[O:9])[CH3:4]
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참가 물질

5

반응물 2

HCID 14797Potassium HydroxideHCID 544595782-(6-[N,N-bis(tert-butoxycarbonyl)amino]-4-methyl-pyridin-3-ylmethyl)-malonic acid diethyl ester

생성물 1

HCID 536521632-(6-[N,N-bis(tert-butoxycarbonyl)amino]-4-methyl-pyridin-3-ylmethyl)-malonic acid monoethyl ester수율 97%

시약·촉매·용매 2

HCID 702Ethanol용매2회
HCID 6344
Dichloromethane
용매

실험 절차

A solution of KOH (141 mg, 2.52 mmol) in ethanol (2 mL) was added to a solution 2-(6-[N,N-bis(tert-butoxycarbonyl)amino]4-methyl-pyridin-3-ylmethyl)-malonic acid diethyl ester (1.1 g, 2.29 mmol) in ethanol (10 mL) and methylene chloride (4 mL) at 0° C. The mixture was stirred for 18 h at room temperature. The mixture was concentrated under reduced pressure and the residue dissolved in water. Ethyl acetate was added and the organic layer was washed with 0.5 M HCl, water, brine and dried. After filtration and concentration under reduced pressure gave crude 2-(6-[N,N-bis(tert-butoxycarbonyl)-amino]-4-methyl-pyridin-3-ylmethyl)-malonic acid monoethyl ester (1.0 g, 97%).

후처리

  1. concentrationThe mixture was concentrated under reduced pressure
  2. dissolutionthe residue dissolved in water
  3. additionEthyl acetate was added
  4. washthe organic layer was washed with 0.5 M HCl, water, brine
  5. customdried
  6. filtrationAfter filtration and concentration under reduced pressure

출처 및 근거

ORD 기록
ord-b84a505c29024323a7f7daa2e2f9b332
출처 데이터셋
uspto-grants-2006_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07071175B1

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