Triphenylphosphine → methyl (R)-8-[N-t-butoxy-carbonyl-p-chlorophenylsulfonamido]-4-[3-(3-pyridyl)propyl]octanoate

HRID 465622노트

반응식

HRID 465622 반응식
O[CH2:2][CH2:3][CH2:4][CH2:5][C@@H:6]([CH2:13][CH2:14][CH2:15][C:16]1[CH:17]=[N:18][CH:19]=[CH:20][CH:21]=1)[CH2:7][CH2:8][C:9]([O:11][CH3:12])=[O:10].[C:22]([O:26][NH:27][S:28]([CH:31]1[CH:36]=[CH:35][C:34]([Cl:37])=[CH:33][C:32]1=[C:38]=[O:39])(=[O:30])=[O:29])([CH3:25])([CH3:24])[CH3:23].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>C(Cl)Cl>[C:22]([O:26][N:27]([CH2:2][CH2:3][CH2:4][CH2:5][C@@H:6]([CH2:13][CH2:14][CH2:15][C:16]1[CH:17]=[N:18][CH:19]=[CH:20][CH:21]=1)[CH2:7][CH2:8][C:9]([O:11][CH3:12])=[O:10])[S:28]([CH:31]1[CH:36]=[CH:35][C:34]([Cl:37])=[CH:33][C:32]1=[C:38]=[O:39])(=[O:30])=[O:29])([CH3:25])([CH3:23])[CH3:24]

참가 물질

6

실험 절차

To a solution of methyl (R)-8-hydroxy-4-[3-(3-pyridyl)propyl]octanoate (1.09 g 3.7 mmol), N-t-butoxy-carbonyl-p-chlorophenylsulfonamide (1.52 g, 5.2 mmol) and triphenylphosphine (1.92 g, 7.3 mmol) in methylene chloride (17 ml) is added dropwise diethyl azodicarboxylate (0.82 ml, 5.2 mmol). The reaction mixture is allowed to stir or 1 hour and the solvent is evaporated. The residue is purified by flash chromatography on silica gel using 1:1 ethyl acetate/hexane to obtain methyl (R)-8-[N-t-butoxy-carbonyl-p-chlorophenylsulfonamido]-4-[3-(3-pyridyl)propyl]octanoate; IR (CH2Cl2): 1730, 1356, 1154 cm- 1.

후처리

  1. customthe solvent is evaporated
  2. customThe residue is purified by flash chromatography on silica gel using 1:1 ethyl acetate/hexane

출처 및 근거

ORD 기록
ord-c01535285c094031aee9ef8e5fdd525f
출처 데이터셋
uspto-grants-1992_10
특허 번호
US05153214

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