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Hydrazine → {4-[(1H-benzoimidazol-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-butyl}-carbamic acid tert-butyl ester

HRID 1592430
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HRID 1592430 반응식
C(OC([N:8]1[C:12]2[CH:13]=[CH:14][CH:15]=[CH:16][C:11]=2[N:10]=[C:9]1[CH2:17][N:18]([CH2:27][CH2:28][CH2:29][CH2:30][NH:31][C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])[CH2:19][C:20]1[C:25]([CH3:26])=[CH:24][CH:23]=[CH:22][N:21]=1)=O)(C)(C)C.NN>CCO>[C:35]([O:34][C:32](=[O:33])[NH:31][CH2:30][CH2:29][CH2:28][CH2:27][N:18]([CH2:17][C:9]1[NH:10][C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][C:12]=2[N:8]=1)[CH2:19][C:20]1[C:25]([CH3:26])=[CH:24][CH:23]=[CH:22][N:21]=1)([CH3:38])([CH3:36])[CH3:37]
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참가 물질

4

반응물 2

HCID 9321HydrazineHCID 672726372-{[(4-tert-Butoxycarbonylamino-butyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-benzoimidazole-1-carboxylic acid tert-butyl ester

생성물 1

HCID 67271501{4-[(1H-benzoimidazol-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-butyl}-carbamic acid tert-butyl ester수율 63.2%

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

To a solution of 2-{[(4-tert-Butoxycarbonylamino-butyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-methyl}-benzoimidazole-1-carboxylic acid tert-butyl ester (0.82 g, 1.57 mmol) in EtOH (8 mL) was added anhydrous hydrazine (0.50 mL, 15.9 mmol) and the resultant mixture was stirred at room temperature overnight. The mixture was filtered through filter paper and concentrated. Purification of the crude material by column chromatography on silica gel (20:1:1 CH2Cl2-MeOH—NH4OH) provided 0.42 g (62%) of {4-[(1H-benzoimidazol-2-ylmethyl)-(3-methyl-pyridin-2-ylmethyl)-amino]-butyl}-carbamic acid tert-butyl ester as white solid.

후처리

  1. filtrationThe mixture was filtered
  2. filtrationthrough filter paper
  3. concentrationconcentrated
  4. customPurification of the crude material by column chromatography on silica gel (20:1:1 CH2Cl2-MeOH—NH4OH)

출처 및 근거

ORD 기록
ord-c2c56fb2d6cd4f3e9029152c7babe8ec
출처 데이터셋
uspto-grants-2007_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07291631B2

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