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

HRID 1185426
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HRID 1185426 반응식
[CH2:1]([O:3][C:4]([N:6]1[CH2:11][CH2:10][N:9]([C:12](=[O:38])[C@@H:13]([NH:23][C:24]([C:26]2[CH:35]=[C:34]([OH:36])[C:33]3[C:28](=[CH:29][C:30]([CH3:37])=[CH:31][CH:32]=3)[N:27]=2)=[O:25])[CH2:14][CH2:15][C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:8][CH2:7]1)=[O:5])[CH3:2].C(=O)([O-])[O-].[Cs+].[Cs+].[CH2:45]([O:52][C:53](=[O:56])[CH2:54]Br)[C:46]1[CH:51]=[CH:50][CH:49]=[CH:48][CH:47]=1>CN(C=O)C.O>[CH2:1]([O:3][C:4]([N:6]1[CH2:7][CH2:8][N:9]([C:12](=[O:38])[C@@H:13]([NH:23][C:24]([C:26]2[CH:35]=[C:34]([O:36][CH2:54][C:53]([O:52][CH2:45][C:46]3[CH:51]=[CH:50][CH:49]=[CH:48][CH:47]=3)=[O:56])[C:33]3[C:28](=[CH:29][C:30]([CH3:37])=[CH:31][CH:32]=3)[N:27]=2)=[O:25])[CH2:14][CH2:15][C:16]([O:18][C:19]([CH3:21])([CH3:22])[CH3:20])=[O:17])[CH2:10][CH2:11]1)=[O:5])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 3

HCID 10796Cesium carbonateHCID 62576Benzyl bromoacetateHCID 178473386HCID 178473386, 화합물

생성물 1

HCID 686004434-{(S)-2-[(4-Benzyloxycarbonylmethoxy-7-methyl-quinoline-2-carbonyl)-amino]-4-tert-butoxycarbonyl-butyryl}-piperazine-1-carboxylic acid ethyl ester

시약·촉매·용매 2

HCID 962Water용매
HCID 6228
Dimethylformamide
용매

실험 절차

To a solution of 5 g of 4-{(S)-4-tert-Butoxycarbonyl-2-[(4-hydroxy-7-methyl-quinoline-2-carbonyl)-amino]-butyryl}-piperazine-1-carboxylic acid ethyl ester (prepared analogously as in example 1) in 150 ml of DMF, 3.3 g of cesium carbonate and 2.4 g of Bromo-acetic acid benzyl ester was added and stirred for 2 h. Then, the reaction mixture was diluted with water and extracted with ethyl acetate (3×150 ml). The combined organic phases were dried over MgSO4 and the solvents were removed under reduced pressure. The crude product was pure enough for the next reaction step. Yield: 5.4 g.

후처리

  1. extractionextracted with ethyl acetate (3×150 ml)
  2. dry with materialThe combined organic phases were dried over MgSO4
  3. customthe solvents were removed under reduced pressure
  4. customThe crude product was pure enough for the next reaction step

출처 및 근거

ORD 기록
ord-5f25cc7185d6486cbb1bce56e69fb653
출처 데이터셋
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08669266B2

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