The synthesis of 2-morpholine carboxylic acid derivatives and their elaboration to 1-aza-4-oxabicyclo[3.3.1]nonan-6-one.
作者:Frank D. King、Roger T. Martin
DOI:10.1016/s0040-4039(00)79702-4
日期:1991.5
Two syntheses of novel 2-morpholine carboxylic acid derivatives are described. The esters were converted into 1-aza-4-oxabicyclo[3.3.1]nonan-6-one, the first example of this ring system, which was further elaborated to the ortho-methoxy benzamide derivative (2).