Sodium hydride → (2S,3S,5R)-2-Benzyl-3-[(5-bromo-pyrimidin-2-yl)-(3-chloro-5-trifluoromethyl-benzyl)-amino]-5-ethyl-pyrrolidine-1-carboxylic acid isopropyl ester

HRID 409428노트

반응식

HRID 409428 반응식
[CH:1]([O:4][C:5]([N:7]1[C@H:11]([CH2:12][CH3:13])[CH2:10][C@H:9]([NH:14][C:15]2[N:20]=[CH:19][C:18]([Br:21])=[CH:17][N:16]=2)[C@@H:8]1[CH2:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)=[O:6])([CH3:3])[CH3:2].[H-].[Na+].[Cl:31][C:32]1[CH:33]=[C:34]([CH:37]=[C:38]([C:40]([F:43])([F:42])[F:41])[CH:39]=1)[CH2:35]Br>CN(C=O)C>[CH:1]([O:4][C:5]([N:7]1[C@H:11]([CH2:12][CH3:13])[CH2:10][C@H:9]([N:14]([C:15]2[N:20]=[CH:19][C:18]([Br:21])=[CH:17][N:16]=2)[CH2:35][C:34]2[CH:37]=[C:38]([C:40]([F:41])([F:42])[F:43])[CH:39]=[C:32]([Cl:31])[CH:33]=2)[C@@H:8]1[CH2:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)=[O:6])([CH3:2])[CH3:3]

참가 물질

5

반응물 3

HCID 24758Sodium hydride2회HCID 37146721-(Bromomethyl)-3-chloro-5-(trifluoromethyl)benzeneHCID 59614351(2S,3S,5R)-2-benzyl-3-(5-bromo-pyrimidin-2-ylamino)-5-ethyl-pyrrolidine-1-carboxylic acid isopropyl ester

생성물 1

HCID 42633349(2S,3S,5R)-2-Benzyl-3-[(5-bromo-pyrimidin-2-yl)-(3-chloro-5-trifluoromethyl-benzyl)-amino]-5-ethyl-pyrrolidine-1-carboxylic acid isopropyl ester수율 73.2%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a suspension of (2S,3S,5R)-2-benzyl-3-(5-bromo-pyrimidin-2-ylamino)-5-ethyl-pyrrolidine-1-carboxylic acid isopropyl ester (0.064 mmol; 28.6 mg) and sodium hydride (60% dispersion in mineral oil, 0.19 mmol; 7.6 mg) in DMF (0.6 mL) is added 3-chloro-5-trifluoromethylbenzyl bromide (0.13 mmol; 35.6 mg) at room temperature under N2. After 3.5 hours, additional sodium hydride (60% dispersion in mineral oil, 0.19 mmol; 7.6 mg) is added to the suspension. The reaction mixture is stirred for 20 minutes, and quenched with water and saturated aqueous ammonium chloride solution. The product is extracted three times with EtOAc. The combined organic layer is washed with brine, dried over Na2SO4, filtered, and concentrated under reduced pressure. The residue is purified by column chromatography on silica gel (eluent: n-hexane/EtOAc) to give (2S,3S,5R)-2-Benzyl-3-[(5-bromo-pyrimidin-2-yl)-(3-chloro-5-trifluoromethyl-benzyl)-amino]-5-ethyl-pyrrolidine-1-carboxylic acid isopropyl ester (30.0 mg, 73%); ESI-MS m/z: 639 [M+1]+, Retention time 2.68 min (condition A).

후처리

  1. customquenched with water and saturated aqueous ammonium chloride solution
  2. extractionThe product is extracted three times with EtOAc
  3. washThe combined organic layer is washed with brine
  4. dry with materialdried over Na2SO4
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue is purified by column chromatography on silica gel (eluent: n-hexane/EtOAc)

출처 및 근거

ORD 기록
ord-7809089de0224b668716ca9d48bb6531
출처 데이터셋
uspto-grants-2014_06
특허 번호
US08759365B2

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