Dimethyl Sulfoxide → 4-((s)-3-Tert-butoxycarbonylaminopyrrolidin-1-yl)-3-chloro-2-cyclopropylamino-5-fluorobenzoic acid ethyl ester

HRID 10290ノート

反応式

HRID 10290 の反応式
[CH2:1]([O:3][C:4](=[O:27])[C:5]1[CH:10]=[C:9]([F:11])[C:8]([N:12]2[CH2:16][CH2:15][C@H:14]([NH:17][C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:13]2)=[C:7]([Cl:25])[C:6]=1F)[CH3:2].[CH:28]1([NH2:31])[CH2:30][CH2:29]1.CS(C)=O>C(OCC)(=O)C>[CH2:1]([O:3][C:4](=[O:27])[C:5]1[CH:10]=[C:9]([F:11])[C:8]([N:12]2[CH2:16][CH2:15][C@H:14]([NH:17][C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:13]2)=[C:7]([Cl:25])[C:6]=1[NH:31][CH:28]1[CH2:30][CH2:29]1)[CH3:2]

参加物

5

反応物 3

HCID 679Dimethyl SulfoxideHCID 69828CyclopropylamineHCID 586818944-[(S)-3-tert-Butoxycarbonylaminopyrrolidin-1-yl]-3-chloro-2,5-difluorobenzoic acid ethyl ester

生成物 1

HCID 578326504-((s)-3-Tert-butoxycarbonylaminopyrrolidin-1-yl)-3-chloro-2-cyclopropylamino-5-fluorobenzoic acid ethyl ester収率 43.2%

試薬・触媒・溶媒 1

HCID 8857Ethyl Acetate溶媒

実験手順

A solution of 4-[(S)-3-(tert-butoxycarbonylamino)pyrrolidin-1-yl]-3-chloro-2,5-difluorobenzoic acid ethyl ester (Example 2c, 9.34 g, 23.1 mmol), cyclopropylamine (16 mL, 228 mmol), and dimethyl sulfoxide (30 mL) is heated in a sealed tube at 110° C. for 3 days. After cooling to room temperature, the reaction mixture is diluted with ethyl acetate and washed with saturated NaHCO3, water, and brine. The organic layer is dried over MgSO4, filtered, and the filtrate is concentrated to afford a brown residue. The residue is then purified via flash column chromatography (1:1 ethyl acetate/hexanes) to afford the title compound (4.41 g). MS CI: m/z 442 (MH+).

後処理

  1. washwashed with saturated NaHCO3, water, and brine
  2. dry with materialThe organic layer is dried over MgSO4
  3. filtrationfiltered
  4. concentrationthe filtrate is concentrated
  5. customto afford a brown residue
  6. customThe residue is then purified via flash column chromatography (1:1 ethyl acetate/hexanes)

出典と根拠

ORDレコード
ord-17cd02a021354dd183a83816d55b9074
出典データセット
uspto-grants-2006_08
特許番号
US07094780B1

反応ノート

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