(3S, 4R)-4-(2,2-dimethoxyethyl)-3-(1-methoxy-1-methylethyl)azetidin-2-one → (3S, 4R)-3-(1-methoxy-1-methylethyl)-4-(2-oxoethyl)azetidin-2-one

Participants

Reaction Steps

A solution of (3S, 4R)-4-(2,2-dimethoxyethyl)-3-(1-methoxy-1-methylethyl)azetidin-2-one (1.03 g) in 80% aqueous acetic acid (50 ml) was stirred at 50° C. for 4 hours, and the solution was evaporated in vacuo. The residue was dissolved in toluene (8 ml) and evaporated in vacuo to give (3S, 4R)-3-(1-methoxy-1-methylethyl)-4-(2-oxoethyl)azetidin-2-one (760 mg) as an oil.

Provenance & Evidence