Tetrahydrofuran → 1-(1-Ethylpropyl)-5-methyl-3-(methylsulfonyl)-2(1H)-pyrazinone

Participants

Reaction Conditions

Reaction Steps

A solution of XXXII (200 mg, 0.9 mmol) in THF (25 mL) was treated with Oxone™ (1.1 g, 1.8 mmol) portionwise as a solid at 25° C. The reaction mixture was stirred at 25° C. for 16 h and diluted with water (20 mL) and ethyl acetate (25 mL). The organic phase was dried (MgSO4), filtered, and concentrated in vacuo to give the product XXXIII (153 mg, 67%) as a yellow oil.

Provenance & Evidence