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Ethylmorpholine → 4-[(S)-2-tert-Butoxycarbonylamino-5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-piperazine-1-carboxylic acid butyl ester

HRID 1970580
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HRID 1970580 반응식
[C:1]([O:5][C:6]([NH:8][C@@H:9]([CH2:13][CH2:14][CH2:15][O:16][Si:17]([C:30]([CH3:33])([CH3:32])[CH3:31])([C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1)[C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)[C:10](O)=[O:11])=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:34]([O:38][C:39]([N:41]1[CH2:46][CH2:45][NH:44][CH2:43][CH2:42]1)=[O:40])[CH2:35][CH2:36][CH3:37].C(N1CCOCC1)C.[B-](F)(F)(F)F.CCOC(C(C#N)=NOC(N(C)C)=[N+](C)C)=O>CN(C=O)C.C(OCC)(=O)C>[CH2:34]([O:38][C:39]([N:41]1[CH2:46][CH2:45][N:44]([C:10](=[O:11])[C@@H:9]([NH:8][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:7])[CH2:13][CH2:14][CH2:15][O:16][Si:17]([C:30]([CH3:33])([CH3:32])[CH3:31])([C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)[CH2:43][CH2:42]1)=[O:40])[CH2:35][CH2:36][CH3:37]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 7525EthylmorpholineHCID 2733286O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 21963126Butyl piperazine-1-carboxylateHCID 66856371(S)-2-tert-Butoxycarbonylamino-5-(tert-butyl-diphenyl-silanyloxy)-pentanoic acid

생성물 1

HCID 66854356
4-[(S)-2-tert-Butoxycarbonylamino-5-(tert-butyl-diphenyl-silanyloxy)-pentanoyl]-piperazine-1-carboxylic acid butyl ester

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of 1.61 g (S)-2-tert-Butoxycarbonylamino-5-(tert-butyl-diphenyl-silanyloxy)-pentanoic acid in 8 ml DMF were added 1.02 g piperazine-1-carboxylic acid butyl ester hydrotrifluoroacetate, 1.7 ml N-ethylmorpholine and 1.1 g TOTU. After stirring for 12 h the solution was diluted with ethyl acetate and subsequently washed with aqueous LiCl (4%), 0.1 M HCl and saturated aqueous NaHCO3. The crude product obtained after evaporation of the solvent was used without further purification. Yield: 1.80 g.

후처리

  1. washsubsequently washed with aqueous LiCl (4%), 0.1 M HCl and saturated aqueous NaHCO3

출처 및 근거

ORD 기록
ord-801f4200519f459fb556694ee505ec05
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08426420B2

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