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Dicyclohexylcarbodiimide → (2,4-Dioxo-5-methyl-1-propargyl-3-imidazolidinyl)methyl 2-(2-chloro-4-trifluoromethylphenylamino)-3-methylbutanoate

HRID 2050348
ノート
印刷プレビュー

反応式

HRID 2050348 の反応式
[O:1]=[C:2]1[N:6]([CH2:7][OH:8])[C:5](=[O:9])[CH:4]([CH3:10])[N:3]1[CH2:11][C:12]#[CH:13].[Cl:14][C:15]1[CH:20]=[C:19]([C:21]([F:24])([F:23])[F:22])[CH:18]=[CH:17][C:16]=1[NH:25][C@H:26]([C:30](O)=[O:31])[CH:27]([CH3:29])[CH3:28].CN(C1C=CC=CN=1)C.C1(N=C=NC2CCCCC2)CCCCC1>C(Cl)Cl.CN(C)C=O>[Cl:14][C:15]1[CH:20]=[C:19]([C:21]([F:24])([F:23])[F:22])[CH:18]=[CH:17][C:16]=1[NH:25][CH:26]([CH:27]([CH3:29])[CH3:28])[C:30]([O:8][CH2:7][N:6]1[C:5](=[O:9])[CH:4]([CH3:10])[N:3]([CH2:11][C:12]#[CH:13])[C:2]1=[O:1])=[O:31]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 10868DicyclohexylcarbodiimideHCID 218852-DimethylaminopyridineHCID 156536L-Valine, N-[2-chloro-4-(trifluoromethyl)phenyl]-HCID 20342664(2,4-Dioxo-5-methyl-1-propargyl-3-imidazolidinyl)methanol

生成物 1

HCID 20342656(2,4-Dioxo-5-methyl-1-propargyl-3-imidazolidinyl)methyl 2-(2-chloro-4-trifluoromethylphenylamino)-3-methylbutanoate

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 6344Dichloromethane溶媒

実験手順

To a stirred solution of (2,4-dioxo-5-methyl-1-propargyl-3-imidazolidinyl)methanol (1.8 mmol), N-(2-chloro-4-trifluoromethylphenyl)valine (2.0 mmol) and dimethylaminopyridine (0.65 mmol) in 20 ml of methylene chloride and 2 ml of dimethylformamide is added N,N'-dicyclohexylcarbodiimide (2.0 mmol). The reaction mixture is stirred, under nitrogen, for two hours and then filtered and extracted with water. The aqueous phase is extracted with ether. The combined organic phases are washed with saturated aqueous sodium bicarbonate, water and saturated aqueous sodium chloride, dried over calcium sulfate and solvent evaporated. The crude product is chromatographed on a rotary chromatograph, eluting with 25% ether/hexane, to yield (2,4-dioxo-5-methyl-1-propargyl-3-imidazolidinyl)methyl 2-(2-chloro-4-trifluoromethylphenylamino)-3-methylbutanoate.

後処理

  1. filtrationfiltered
  2. extractionextracted with water
  3. extractionThe aqueous phase is extracted with ether
  4. washThe combined organic phases are washed with saturated aqueous sodium bicarbonate, water and saturated aqueous sodium chloride
  5. dry with materialdried over calcium sulfate and solvent
  6. customevaporated
  7. customThe crude product is chromatographed on a rotary chromatograph
  8. washeluting with 25% ether/hexane

出典と根拠

ORDレコード
ord-9f808152bce54c8a8b2825ebae58721a
出典データセット
uspto-grants-1980_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04200758

反応ノート

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