Imidazole → 1-(5-{[Tert-butyl(dimethyl)silyl]oxy}-1-benzofuran-2-yl)ethanone

HRID 1888716ノート

反応式

HRID 1888716 の反応式
[OH:1][C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([C:10](=[O:12])[CH3:11])=[CH:7][C:6]=2[CH:13]=1.[C:14]([Si:18]([CH3:21])([CH3:20])Cl)([CH3:17])([CH3:16])[CH3:15].N1C=CN=C1>CN(C=O)C>[Si:18]([O:1][C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([C:10](=[O:12])[CH3:11])=[CH:7][C:6]=2[CH:13]=1)([C:14]([CH3:17])([CH3:16])[CH3:15])([CH3:21])[CH3:20]

参加物

5

反応物 3

HCID 795ImidazoleHCID 28928tert-Butyldimethylsilyl chlorideHCID 32378771-(5-Hydroxy-1-benzofuran-2-yl)ethanone

生成物 1

HCID 580474981-(5-{[Tert-butyl(dimethyl)silyl]oxy}-1-benzofuran-2-yl)ethanone収率 98%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

Using 1-(5-hydroxy-1-benzofuran-2-yl)ethanone (1.15 g, 6.53 mmol), DMF (10 mL), tert-butyldimethylchlorosilane (1.07 g, 7.18 mmol) and imidazole (666 mg, 9.80 mmol), an operation in the same manner as in Reference Example 16 was performed to give the title compound (1.76 g, yield 98%).

出典と根拠

ORDレコード
ord-a4c90fe9f12449ae9ac57b8666de2454
出典データセット
uspto-grants-2013_08
特許番号
US08501804B2

反応ノート

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