Potassium Carbonate → tert-Butyl 4-(3-((6-chloro-2-naphthyl)sulfonyl)propanoyl)-3-(2-ethoxy-2-oxoethyl)piperazine-1-carboxylate

HRID 493708ノート

反応式

HRID 493708 の反応式
[CH2:1]([O:3][C:4](=[O:19])[CH2:5][CH:6]1[NH:11][CH2:10][CH2:9][N:8]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])[CH2:7]1)[CH3:2].[Cl:20][C:21]1[CH:22]=[C:23]2[C:28](=[CH:29][CH:30]=1)[CH:27]=[C:26]([S:31]([CH2:34][CH2:35][C:36](O)=[O:37])(=[O:33])=[O:32])[CH:25]=[CH:24]2.C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C.C(=O)([O-])[O-].[K+].[K+]>ClCCl.C(N(CC)CC)C>[Cl:20][C:21]1[CH:22]=[C:23]2[C:28](=[CH:29][CH:30]=1)[CH:27]=[C:26]([S:31]([CH2:34][CH2:35][C:36]([N:11]1[CH2:10][CH2:9][N:8]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])[CH2:7][CH:6]1[CH2:5][C:4]([O:3][CH2:1][CH3:2])=[O:19])=[O:37])(=[O:32])=[O:33])[CH:25]=[CH:24]2

参加物

8

反応物 5

HCID 11430Potassium CarbonateHCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 111973043-(6-Chloro-2-naphthyl)sulfonylpropionic acidHCID 16114865tert-Butyl 3-(2-ethoxy-2-oxoethyl)piperazine-1-carboxylate

生成物 1

HCID 23130960tert-Butyl 4-(3-((6-chloro-2-naphthyl)sulfonyl)propanoyl)-3-(2-ethoxy-2-oxoethyl)piperazine-1-carboxylate収率 60.2%

試薬・触媒・溶媒 2

HCID 6344Dichloromethane溶媒HCID 8471Triethylamine溶媒

実験手順

tert-Butyl 3-(2-ethoxy-2-oxoethyl)piperazine-1-carboxylate (0.9 g) was dissolved in dichloromethane (20 mL), and triethylamine (0.92 mL) was added thereto. With ice cooling, 3-((6-chloro-2-naphthyl)sulfonyl)propionic acid (1.0 g), HOBt (0.55 g) and WSC (0.65 g) were added thereto, and the mixture was mixed at room temperature for 16 hours. The reaction solution was basified with an aqueous potassium carbonate solution, then extracted with chloroform, and the extract was dried over anhydrous magnesium sulfate. The solvent was distilled off to give the title compound (1.1 g) as a pale brown oily matter.

後処理

  1. additionthe mixture was mixed at room temperature for 16 hours
  2. extractionextracted with chloroform
  3. dry with materialthe extract was dried over anhydrous magnesium sulfate
  4. distillationThe solvent was distilled off

出典と根拠

ORDレコード
ord-5ca0fc94541246eca32edbf048bd455c
出典データセット
uspto-grants-2009_05
特許番号
US07534887B2

反応ノート

読み込み中…