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Cesium carbonate → 4-{(S)-2-[(4-Benzyloxycarbonylmethoxy-7-methyl-naphthalene-2-carbonyl)-amino]-4-tert-butoxycarbonyl-butyryl}-piperazine-1-carboxylic acid butyl ester

HRID 1185506
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HRID 1185506 반응식
[CH2:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14](=[O:40])[C@@H:15]([NH:25][C:26]([C:28]2[CH:37]=[C:36]([OH:38])[C:35]3[C:30](=[CH:31][C:32]([CH3:39])=[CH:33][CH:34]=3)[CH:29]=2)=[O:27])[CH2:16][CH2:17][C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:10][CH2:9]1)=[O:7])[CH2:2][CH2:3][CH3:4].C(=O)([O-])[O-].[Cs+].[Cs+].[CH2:47]([O:54][C:55](=[O:58])[CH2:56]Br)[C:48]1[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=1>CN(C=O)C.O>[CH2:1]([O:5][C:6]([N:8]1[CH2:9][CH2:10][N:11]([C:14](=[O:40])[C@@H:15]([NH:25][C:26]([C:28]2[CH:37]=[C:36]([O:38][CH2:56][C:55]([O:54][CH2:47][C:48]3[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=3)=[O:58])[C:35]3[C:30](=[CH:31][C:32]([CH3:39])=[CH:33][CH:34]=3)[CH:29]=2)=[O:27])[CH2:16][CH2:17][C:18]([O:20][C:21]([CH3:23])([CH3:22])[CH3:24])=[O:19])[CH2:12][CH2:13]1)=[O:7])[CH2:2][CH2:3][CH3:4]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 10796Cesium carbonateHCID 62576Benzyl bromoacetateHCID 68597303HCID 68597303, 화합물

생성물 1

HCID 686000914-{(S)-2-[(4-Benzyloxycarbonylmethoxy-7-methyl-naphthalene-2-carbonyl)-amino]-4-tert-butoxycarbonyl-butyryl}-piperazine-1-carboxylic acid butyl ester

시약·촉매·용매 2

HCID 962Water용매
HCID 6228
Dimethylformamide
용매

실험 절차

To a solution of 1.0 g 4-{(S)-4-tert-Butoxycarbonyl-2-[(4-hydroxy-7-methyl-naphthalene-2-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid butyl ester in 12 ml of DMF, 645 mg of cesium carbonate and 447 mg of Bromo-acetic acid benzyl ester were added and the reaction mixture was stirred for 2 h at RT. Then, the reaction mixture was diluted with water and extracted with ethyl acetate. The organic phase was dried over MgSO4 and the solvents were removed under reduced pressure. The isolated crude product was pure enough for the next reaction step. Yield: 710 mg.

후처리

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic phase was dried over MgSO4
  3. customthe solvents were removed under reduced pressure
  4. customThe isolated crude product
  5. customwas pure enough for the next reaction step

출처 및 근거

ORD 기록
ord-2c6270b7bfc8426d85f0d8b66c17fb47
출처 데이터셋
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08669266B2

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