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Cesium carbonate → 4-{4-Chloro-3-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(4-methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-yl)-propyl]-phenoxymethyl}-benzoic acid ethyl ester

HRID 2386697
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HRID 2386697 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([OH:8])=[CH:4][C:3]=1[CH:9]([CH3:28])[C:10]([C:16]1[CH:17]=[CH:18][C:19]2[O:24][CH2:23][C:22](=[O:25])[N:21]([CH3:26])[C:20]=2[CH:27]=1)([OH:15])[C:11]([F:14])([F:13])[F:12].[CH2:29]([O:31][C:32](=[O:41])[C:33]1[CH:38]=[CH:37][C:36]([CH2:39]Br)=[CH:35][CH:34]=1)[CH3:30].C(=O)([O-])[O-].[Cs+].[Cs+]>CN(C)C(=O)C>[CH2:29]([O:31][C:32](=[O:41])[C:33]1[CH:38]=[CH:37][C:36]([CH2:39][O:8][C:5]2[CH:6]=[CH:7][C:2]([Cl:1])=[C:3]([CH:9]([CH3:28])[C:10]([OH:15])([C:16]3[CH:17]=[CH:18][C:19]4[O:24][CH2:23][C:22](=[O:25])[N:21]([CH3:26])[C:20]=4[CH:27]=3)[C:11]([F:12])([F:13])[F:14])[CH:4]=2)=[CH:35][CH:34]=1)[CH3:30]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 10796Cesium carbonateHCID 954261Ethyl 4-(bromomethyl)benzoateHCID 666971956-[2-(2-Chloro-5-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-4-methyl-4H-benzo[1,4]oxazin-3-one

생성물 1

HCID 666972974-{4-Chloro-3-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(4-methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-yl)-propyl]-phenoxymethyl}-benzoic acid ethyl ester수율 83.2%

시약·촉매·용매 1

HCID 31374Dimethylacetamide용매

실험 절차

To a solution of 6-[2-(2-chloro-5-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-4-methyl-4H-benzo[1,4]oxazin-3-one (83 mg) in N,N-dimethylacetamide (1.6 ml) were added ethyl-4-(bromomethyl)benzoate (56 mg) and cesium carbonate (72 mg). The mixture was stirred for 4 h at room temperature. Ice water was added and the mixture was extracted with EtOAc. The organic phase was washed with water and dried (MgSO4). The product was purified by chromatography (SiO2, cyclohexane/EtOAc 1:0=>3:2) to give the title compound (96 mg) as colorless foam. MS (m/e, ISP neg. ion)=578.3 [M−H+].

후처리

  1. extractionthe mixture was extracted with EtOAc
  2. washThe organic phase was washed with water
  3. dry with materialdried (MgSO4)
  4. customThe product was purified by chromatography (SiO2, cyclohexane/EtOAc 1:0=>3:2)

출처 및 근거

ORD 기록
ord-59ed24c77d0f42f7a26c015a82934526
출처 데이터셋
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08268820B2

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