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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
ノート
印刷プレビュー

反応式

HRID 594410 の反応式
[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]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 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

生成物 1

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

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 3283Diethyl Ether溶媒HCID 6228Dimethylformamide溶媒

実験手順

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.

後処理

  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)

出典と根拠

ORDレコード
ord-0de950b82bd545ed8d0576a81d61ccdc
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09242970B2

反応ノート

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