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Benzenesulfonyl chloride → 4-(5-benzenesulfonylamino-1-phenyl-1H-pyrazole-3-yl)-benzoic acid methyl ester

HRID 1860522
ノート
印刷プレビュー

反応式

HRID 1860522 の反応式
[C:1]1([S:7](Cl)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[CH3:11][O:12][C:13](=[O:32])[C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:24]=[C:23]([NH2:25])[N:22]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=3)[N:21]=2)=[CH:16][CH:15]=1>ClCCl.N1C=CC=CC=1>[CH3:11][O:12][C:13](=[O:32])[C:14]1[CH:15]=[CH:16][C:17]([C:20]2[CH:24]=[C:23]([NH:25][S:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)(=[O:9])=[O:8])[N:22]([C:26]3[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=3)[N:21]=2)=[CH:18][CH:19]=1.[CH3:11][O:12][C:13](=[O:32])[C:14]1[CH:15]=[CH:16][C:17]([C:20]2[CH:24]=[C:23]([N:25]([S:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)(=[O:9])=[O:8])[S:7]([C:1]3[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=3)(=[O:9])=[O:8])[N:22]([C:26]3[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=3)[N:21]=2)=[CH:18][CH:19]=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 2

HCID 7369Benzenesulfonyl chlorideHCID 698301914-(5-amino-1-phenyl-1H-pyrazole-3-yl)-benzoic acid methyl ester

生成物 2

HCID 698297094-(5-benzenesulfonylamino-1-phenyl-1H-pyrazole-3-yl)-benzoic acid methyl esterHCID 698302824-{5-[bis(Benzenesulfonyl)amino]-1-phenyl-1H-pyrazole-3-yl}-benzoic acid methyl ester

試薬・触媒・溶媒 2

HCID 1049
Pyridine
溶媒
HCID 6344Dichloromethane溶媒

実験手順

A solution of benzenesulfonyl chloride (0.913 ml, 7.15 mmol) in dichloromethane (7 ml) was added slowly to a solution of 4-(5-amino-1-phenyl-1H-pyrazole-3-yl)-benzoic acid methyl ester (1.5 g, 5.11 mmol) in pyridine (20 ml) at 5° C. The resulting solution was stirred at room temperature for 18 h. The solvent was evaporated in vacuo and the products were separated by flash chromatography, on silica gel, using 0 to 2% methanol in dichloromethane as the eluant, to yield 4-(5-benzenesulfonylamino-1-phenyl-1H-pyrazole-3-yl)-benzoic acid methyl ester, and 4-{5-[bis(Benzenesulfonyl)amino]-1-phenyl-1H-pyrazole-3-yl}-benzoic acid methyl ester.

後処理

  1. customThe solvent was evaporated in vacuo
  2. customthe products were separated by flash chromatography, on silica gel

出典と根拠

ORDレコード
ord-314106c767e6401bb384142a7abd0ac3
出典データセット
uspto-grants-2003_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06531478B2

反応ノート

読み込み中…

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