A Novel One-Pot and One-Step Microwave-Assisted Cyclization-Methylation Reaction of Amino Alcohols and Acetylated Derivatives with Dimethyl Carbonate and TBAC

Table 1

Synthesis of 4-substituted-3-methyl-1,3-oxazolidin-2-ones.

Entry	Starting material	Product	Yield (%)^a,b
1			79
2			79
3			81
4			82
5			80
6			93
7			95

Isolated yields based on the starting amino alcohol. ^bProducts characterized by ¹H and ¹³C NMR.