戻る
化工社化工社 化学情報印刷レポート · 研究参考用
HRID 7334作成日:2026年10月23日

1-Bromo-4-iodobenzene → 1-Bromo-2',3'-difluoro-4'-ethoxybiphenyl

https://huagongshe.com/ja/reaction/7334

反応式

関与物質

役割名称HCID仕込み量
反応物1-Bromo-4-iodobenzeneHCID 11522—
反応物Sodium metaborateHCID 145326—
反応物B-(4-Ethoxy-2,3-difluorophenyl)boronic acidHCID 15135235—
反応物Hydrazinium hydrochlorideHCID 21989311—
触媒HCID 178418476HCID 178418476—
溶媒WaterHCID 962—
溶媒TetrahydrofuranHCID 8028—
生成物1-Bromo-2',3'-difluoro-4'-ethoxybiphenylHCID 21989312—

反応条件

温度20 °C

反応手順

0.450 mol of sodium metaborate are introduced into 240 ml of water. 0.012 mol of bis(triphenylphosphine)palladium(II) chloride, 0.6 mol of 4-bromo-1-iodobenzene (11) and 0.012 mol of hydrazinium hydrochloride are added, and the mixture is stirred at about 20° C. for 5 minutes. 0.6 mol of 2,3-difluoro-4-ethoxyphenylboronic acid (12) dissolved in 600 ml of tetrahydrofuran are then added, and the mixture is refluxed for 4 hours, giving the compound of the formula 13.

情報源と証拠

DOI10.6084/m9.figshare.5104873.v1
特許番号US07087272B2
出典データセットuspto-grants-2006_08
ORD IDord-eca79e3229d14634afded7b73fa277ff
出典メモuspto-grants-2006_08