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N-(tert-butoxycarbonyl)glycine → ethyl 2-(2-((tert-butoxycarbonyl)amino)-N-(4-(trifluoromethoxy)benzyl)acetamido)-2-(2,6-dimethoxyphenyl)acetate

HRID 594410
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HRID 594410 반응식
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[C:5]([O:9][CH3:10])[C:4]=1[CH:11]([NH:17][CH2:18][C:19]1[CH:24]=[CH:23][C:22]([O:25][C:26]([F:29])([F:28])[F:27])=[CH:21][CH:20]=1)[C:12]([O:14][CH2:15][CH3:16])=[O:13].[C:30]([O:34][C:35]([NH:37][CH2:38][C:39](O)=[O:40])=[O:36])([CH3:33])([CH3:32])[CH3:31].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C.O.CCOCC>[C:30]([O:34][C:35]([NH:37][CH2:38][C:39]([N:17]([CH:11]([C:4]1[C:3]([O:2][CH3:1])=[CH:8][CH:7]=[CH:6][C:5]=1[O:9][CH3:10])[C:12]([O:14][CH2:15][CH3:16])=[O:13])[CH2:18][C:19]1[CH:20]=[CH:21][C:22]([O:25][C:26]([F:27])([F:28])[F:29])=[CH:23][CH:24]=1)=[O:40])=[O:36])([CH3:33])([CH3:32])[CH3:31]
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참가 물질

8

반응물 4

HCID 78288N-(tert-butoxycarbonyl)glycineHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 69080982Ethyl 2-(2,6-dimethoxyphenyl)-2-((4-(trifluoromethoxy)benzyl)amino)acetate

생성물 1

HCID 86695634
ethyl 2-(2-((tert-butoxycarbonyl)amino)-N-(4-(trifluoromethoxy)benzyl)acetamido)-2-(2,6-dimethoxyphenyl)acetate

시약·촉매·용매 3

HCID 962Water용매HCID 3283Diethyl Ether용매HCID 6228Dimethylformamide용매

실험 절차

A mixture of ethyl 2-(2,6-dimethoxyphenyl)-2-((4-(trifluoromethoxy)benzyl)-amino)acetate (1.121 g; 2.71 mmol), 2-(tert-butoxycarbonylamino)acetic acid (1.187 g; 6.77 mmol), DIPEA (1.752 g; 13.55 mmol), and HATU (2.577 g; 6.77 mmol) in anh. DMF (20 ml) was stirred at rt, under nitrogen, for 18 h. Et2O (20 ml) and water (20 ml) were then added to the reaction mixture, and the separated aq. layer was further extracted with Et2O (3×50 ml). The mixed organic layers were washed with brine (50 ml), dried over anh. MgSO4, filtered, and concentrated to dryness under reduced pressure. Purification by FC (DCM/MeOH=50/1) afforded ethyl 2-(2-((tert-butoxycarbonyl)amino)-N-(4-(trifluoromethoxy)benzyl)acetamido)-2-(2,6-dimethoxyphenyl)acetate as a yellow oil. LC-MS (conditions D): tR=1.12 min.; [M+H]+: 571.78 g/mol.

후처리

  1. extractionthe separated aq. layer was further extracted with Et2O (3×50 ml)
  2. washThe mixed organic layers were washed with brine (50 ml)
  3. dry with materialdried over anh. MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated to dryness under reduced pressure
  6. customPurification by FC (DCM/MeOH=50/1)

출처 및 근거

ORD 기록
ord-0de950b82bd545ed8d0576a81d61ccdc
출처 데이터셋
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09242970B2

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