Mesitene lactone → 4,6-Dimethylisobenzofuran-1,3-dione

HRID 2111611

反応式

HRID 2111611 の反応式
[CH3:1][C:2]1[CH:7]=[C:6]([CH3:8])OC(=O)[CH:3]=1.Cl[C:11]1[C:12]([O:14][C:15](=[O:17])[CH:16]=1)=[O:13]>>[CH3:8][C:6]1[CH:7]=[C:2]([CH3:3])[CH:1]=[C:11]2[C:12]([O:14][C:15](=[O:17])[C:16]=12)=[O:13]

参加物

3

反応条件

温度
160 °C

実験手順

4,6-dimethyl-2-pyrone (1.0 g, 8.1 mmol) and 2-chloromaleic anhydride (1.5 g, 11 mmol) were stirred with heating at 160° C. for 3 hrs, and the precipitated crystals were purified by silica gel chromatography (chloroform) to give 0.91 g of the title compound.

後処理

  1. customthe precipitated crystals were purified by silica gel chromatography (chloroform)

出典と根拠

ORDレコード
ord-d24c354f98eb4d30a596ec06a0799689
出典データセット
uspto-grants-2009_04
特許番号
US07521451B2

関連ノート

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