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Diisopropylethylamine → N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine N-(tert-butyl)-N-hydroxyamide

HRID 24682
ノート
印刷プレビュー

反応式

HRID 24682 の反応式
[Cl:1][C:2]1[CH:29]=[CH:28][CH:27]=[C:26]([Cl:30])[C:3]=1[C:4]([NH:6][C@H:7]([C:23](O)=[O:24])[CH2:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[O:21][CH3:22])=[CH:11][CH:10]=1)=[O:5].[C:31]([NH:35][OH:36])([CH3:34])([CH3:33])[CH3:32].CN([P+](ON1N=NC2C=CC=CC1=2)(N(C)C)N(C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C(Cl)Cl>[C:31]([N:35]([OH:36])[C:23](=[O:24])[C@H:7]([CH2:8][C:9]1[CH:10]=[CH:11][C:12]([C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[O:21][CH3:22])=[CH:13][CH:14]=1)[NH:6][C:4](=[O:5])[C:3]1[C:2]([Cl:1])=[CH:29][CH:28]=[CH:27][C:26]=1[Cl:30])([CH3:34])([CH3:33])[CH3:32]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 81531DiisopropylethylamineHCID 98586N-tert-butylhydroxylamineHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 53709169N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine

生成物 1

HCID 54520142N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine N-(tert-butyl)-N-hydroxyamide収率 65.1%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a solution of N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine (0.098 g) and tert-butylhydroxylamine (0.047 g) in CH2Cl2 (5 mL) was added BOP reagent (0.17 g) followed by DIEA (0.1 mL) and the mixture was stirred overnight at room temperature. The mixture was evaporated and the residue was dissolved in EtOAc (30 mL). The EtOAc solution was successively washed with 1 N HCl, satd. NaHCO3, satd. LiCl, dried (MgSO4), and concentrated. The residue was purified by preparative TLC (silica gel; eluent: hexane/EtOAc/CH2Cl2 6/1/1) and recrystallization from CH2Cl2/hexane to give 74 mg of N-(2,6-dichlorobenzoyl)-4-(2-methoxyphenyl)-L-phenylalanine N-(tert-butyl)-N-hydroxyamide. ESMS: m/z 515 (MH+).

後処理

  1. customThe mixture was evaporated
  2. dissolutionthe residue was dissolved in EtOAc (30 mL)
  3. washThe EtOAc solution was successively washed with 1 N HCl
  4. dry with materialLiCl, dried (MgSO4)
  5. concentrationconcentrated
  6. customThe residue was purified by preparative TLC (silica gel; eluent: hexane/EtOAc/CH2Cl2 6/1/1) and recrystallization from CH2Cl2/hexane

出典と根拠

ORDレコード
ord-d66f4272403c48259e43dc1b6b2f2af1
出典データセット
uspto-grants-2005_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06855843B2

反応ノート

読み込み中…

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