Hydroxylamine → 4'-[2-Ethoxy-5-(hydroxyiminomethyl)-4-vinylimidazol-1-ylmethyl]-3'-fluorobiphenyl-2-carboxylic acid t-butyl ester

HRID 475671ノート

反応式

HRID 475671 の反応式
[C:1]([O:5][C:6]([C:8]1[C:9]([C:14]2[CH:19]=[CH:18][C:17]([CH2:20][N:21]3[C:25]([CH:26]=O)=[C:24]([CH:28]=[CH2:29])[N:23]=[C:22]3[O:30][CH2:31][CH3:32])=[C:16]([F:33])[CH:15]=2)=[CH:10][CH:11]=[CH:12][CH:13]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[NH2:34][OH:35].N1C=CC=CC=1>O>[C:1]([O:5][C:6]([C:8]1[C:9]([C:14]2[CH:19]=[CH:18][C:17]([CH2:20][N:21]3[C:25]([CH:26]=[N:34][OH:35])=[C:24]([CH:28]=[CH2:29])[N:23]=[C:22]3[O:30][CH2:31][CH3:32])=[C:16]([F:33])[CH:15]=2)=[CH:10][CH:11]=[CH:12][CH:13]=1)=[O:7])([CH3:2])([CH3:4])[CH3:3]

参加物

5

反応物 3

HCID 787HydroxylamineHCID 1049PyridineHCID 595967304'-(2-Ethoxy-5-formyl-4-vinylimidazol-1-ylmethyl)-3'-fluorobiphenyl-2-carboxylic acid t-butyl ester

生成物 1

HCID 722660174'-[2-Ethoxy-5-(hydroxyiminomethyl)-4-vinylimidazol-1-ylmethyl]-3'-fluorobiphenyl-2-carboxylic acid t-butyl ester収率 91.4%

試薬・触媒・溶媒 1

HCID 962Water溶媒2 回

実験手順

A solution of compound A (17.9 g, 39.7 mmol), hydroxylamine (3.9 g, 119 mmol), pyridine (200 mL), and water (100 mL) were combined. After stirring overnight, water (50 mL) was added and the precipitate was filtered to yield compound B as an off-white solid (16.9 g).

後処理

  1. filtrationthe precipitate was filtered

出典と根拠

ORDレコード
ord-410a16fda33849d8bdbb87c5d1aeec28
出典データセット
uspto-grants-2014_01
特許番号
US08637562B2

反応ノート

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