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Sodium borohydride → tert-Butyl 4-({6-[(2-{4-[(biphenyl-2-ylcarbamoyl)oxy]piperidin-1-yl}ethyl)(methyl)amino]-6-oxohexyl}amino)-2-methylbenzoate

HRID 446520
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HRID 446520 반응식
[C:1]1([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[NH:7][C:8](=[O:28])[O:9][CH:10]1[CH2:15][CH2:14][N:13]([CH2:16][CH2:17][N:18]([CH3:27])[C:19](=[O:26])[CH2:20][CH2:21][CH2:22][CH2:23][CH:24]=O)[CH2:12][CH2:11]1.[NH2:35][C:36]1[CH:48]=[CH:47][C:39]([C:40]([O:42][C:43]([CH3:46])([CH3:45])[CH3:44])=[O:41])=[C:38]([CH3:49])[CH:37]=1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].[BH4-].[Na+]>C(Cl)Cl.C(O)(=O)C>[C:1]1([C:29]2[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=2)[CH:6]=[CH:5][CH:4]=[CH:3][C:2]=1[NH:7][C:8]([O:9][CH:10]1[CH2:15][CH2:14][N:13]([CH2:16][CH2:17][N:18]([CH3:27])[C:19](=[O:26])[CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][NH:35][C:36]2[CH:48]=[CH:47][C:39]([C:40]([O:42][C:43]([CH3:44])([CH3:45])[CH3:46])=[O:41])=[C:38]([CH3:49])[CH:37]=2)[CH2:12][CH2:11]1)=[O:28]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 4311764Sodium borohydrideHCID 5049666Sodium triacetoxyborohydrideHCID 45089772Tert-butyl 4-amino-2-methylbenzoateHCID 867619011-{2-[Methyl(6-oxohexanoyl)amino]ethyl}piperidin-4-yl biphenyl-2-ylcarbamate

생성물 1

HCID 86761900tert-Butyl 4-({6-[(2-{4-[(biphenyl-2-ylcarbamoyl)oxy]piperidin-1-yl}ethyl)(methyl)amino]-6-oxohexyl}amino)-2-methylbenzoate
수율 60.1%

시약·촉매·용매 2

HCID 176Acetic Acid용매HCID 6344Dichloromethane용매

실험 절차

The compound (135 mg, 0.289 mmol) obtained in Example 4g and the compound (103 mg, 0.473 mmol) obtained in Example 18a were dissolved in methylene chloride (4 mL), acetic acid (73 μL) and sodium triacetoxyborohydride (137 mg, 0.645 mmol) were added, and the mixture was stirred overnight at room temperature. Sodium borohydride (16 mg, 0.430 mmol) was added, and the mixture was stirred at room temperature for 20 minutes. The solvent was evaporated under reduced pressure, and the resulting residue was purified by NH silica gel column chromatography (hexane:ethyl acetate=1:1→1:2, v/v) to give the title compound (114 mg; yield, 40%) as a white solid.

후처리

  1. stirringthe mixture was stirred at room temperature for 20 minutes
  2. customThe solvent was evaporated under reduced pressure
  3. customthe resulting residue was purified by NH silica gel column chromatography (hexane:ethyl acetate=1:1→1:2, v/v)

출처 및 근거

ORD 기록
ord-f9918814954c4603a0b05f02bc18a486
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08476253B2

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