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HRID 324263作成日:2026年10月25日

Acetonitrile → (2R)-(4E)-5-(5-isopropoxy-3-pyridyl)-4-penten-2-ol

https://huagongshe.com/reaction/324263

反応式

関与物質

役割名称HCID仕込み量
反応物AcetonitrileHCID 6342—
反応物TriethylamineHCID 8471—
反応物(2R)-pent-4-en-2-olHCID 6999724—
反応物3-Bromo-5-(propan-2-yloxy)pyridineHCID 10584808—
触媒Tri-o-tolylphosphineHCID 80271—
触媒palladium(II) acetateHCID 167845—
溶媒WaterHCID 962—
生成物(2R)-(4E)-5-(5-isopropoxy-3-pyridyl)-4-penten-2-olHCID 1205226685%

反応条件

温度140 °C

反応手順

A mixture of 5-bromo-3-isopropoxypyridine (10.26 g, 47.50 mmol), (2R)-4-penten-2-ol (4.91 g, 57.00 mmol), palladium(II) acetate (106 mg, 0.47 mmol), tri-o-tolylphosphine (578 mg, 1.90 mmol), triethylamine (28.46 mL, 204.25 mmol), and acetonitrile (30 mL) were heated in a sealed glass tube at 140° C. for 14 h. The reaction mixture was cooled to ambient temperature, diluted with water, and extracted with chloroform (3×200 mL). The combined chloroform extracts were dried over sodium sulfate, filtered, and concentrated by rotary evaporation to give a pale-yellow oil (8.92 g, 85.0%).

情報源と証拠

DOI10.6084/m9.figshare.5104873.v1
特許番号US06218383B1
出典データセットuspto-grants-2001_04
ORD IDord-e15117959d294ed599fbdee22e3c4bd1
出典メモuspto-grants-2001_04