Methyl iodide → Hexanoic acid, 2-methoxy-

2-Hydroxy caproic acid (152 mg, 1.15 mmol) was dissolved in 3 mL anhydrous THF. Sodium hydride (95%, 61 mg, 2.41 mmol) was added and the mixture was stirred at room temperature for 40 min. Iodomethane (0.7 mL) was added and the mixture was stirred at room temperature overnight. It was quenched with water, stirred for 4 hours to hydrolyze the methyl ester, and then adjusted to pH 4 with 10% citric acid. The mixture was extracted with 5% methanol in dichloromethane, organic layer dried over sodium sulfate, filtered, and the filtrate was concentrated to give the crude 2-methoxy caproic acid which was used in next step without further purification.

1. stirringthe mixture was stirred at room temperature overnight
2. customIt was quenched with water
3. stirringstirred for 4 hours
4. extractionThe mixture was extracted with 5% methanol in dichloromethane, organic layer
5. dry with materialdried over sodium sulfate
6. filtrationfiltered
7. concentrationthe filtrate was concentrated

ORDレコード

ord-b94785ade18844cea214dd81f6112b64

出典データセット

uspto-grants-2008_03

DOI

10.6084/m9.figshare.5104873.v1

特許番号

US07345034B2