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Dicyclohexylcarbodiimide → N-[(5-Chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetyl]-methanesulfonamide

HRID 11679
ノート
印刷プレビュー

反応式

HRID 11679 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([CH2:28][C:29]([OH:31])=O)[C:5]([O:8][CH2:9][C:10]([N:12]2[CH2:17][C@H:16]([CH3:18])[N:15]([CH2:19][C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)[CH2:14][C@H:13]2[CH3:27])=[O:11])=[N:6][CH:7]=1.C1(N=C=NC2CCCCC2)CCCCC1.[CH3:47][S:48]([NH2:51])(=[O:50])=[O:49]>ClCCl.CN(C)C1C=CN=CC=1>[Cl:1][C:2]1[CH:3]=[C:4]([CH2:28][C:29]([NH:51][S:48]([CH3:47])(=[O:50])=[O:49])=[O:31])[C:5]([O:8][CH2:9][C:10]([N:12]2[CH2:17][C@H:16]([CH3:18])[N:15]([CH2:19][C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)[CH2:14][C@H:13]2[CH3:27])=[O:11])=[N:6][CH:7]=1
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 3

HCID 10868DicyclohexylcarbodiimideHCID 72879MethanesulfonamideHCID 69655717(5-chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetic acid

生成物 1

HCID 69655650N-[(5-Chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetyl]-methanesulfonamide収率 70.2%

試薬・触媒・溶媒 2

HCID 14284
4-(Dimethylamino)pyridine
触媒
HCID 6344Dichloromethane溶媒

実験手順

To a solution of N-[(5-chloro-2-{2-[4-(4-fluoro-benzyl)-(2R,5S)-2,5-dimethyl-piperazin-1-yl]-2-oxo-ethoxy}-pyridin-3-yl)-acetic acid (0.045 g, 0.10 mmol) in dichloromethane (2 mL) was added 4-dimethylaminopyridine (0.018 g, 0.15 mmol), and 1,3-dicyclohexylcarbodiimide (0.023 g, 0.11 mmol). The resulting reaction mixture was stirred at ambient temperature for 20 minutes, and then treated with methanesulfonamide (0.011 g, 0.12 mmol). The reaction was stirred at ambient temperature for 18 hours, filtered through a pad of celite and the resulting filter cake was washed with dichloromethane. The combined organics were concentrated in vacuo and purified by silica gel chromatography followed by trituration with dichloromethane to give the title compound (0.037 g, LRMS: 525.3, 527.2).

後処理

  1. customThe resulting reaction mixture
  2. stirringThe reaction was stirred at ambient temperature for 18 hours
  3. filtrationfiltered through a pad of celite
  4. filtrationthe resulting filter cake
  5. washwas washed with dichloromethane
  6. concentrationThe combined organics were concentrated in vacuo
  7. custompurified by silica gel chromatography

出典と根拠

ORDレコード
ord-27cf31e96e1e4b4f9eac0feb16c2e817
出典データセット
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07098212B2

反応ノート

読み込み中…

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