Supported by the National Natural Science Foundation of China (No. 20372059)
The title compound (2S,2'S,4'R)-2-(1-hydroxy-1-ethylpropyl)-1-[(1'-p-tosyl-4'- hydroxypyrolidin-2'-yl)methyl]pyrrolidine synthesized by using (2S,4R)-4-hydroxy-L-proline and L-proline as the main material...
the National Natural Science Foundation of China(20372059);Natural Science Foundation of Henan Province for the financial support(0311020500).
In this paper, two new compounds, ent-16α-hydroxy-15β-hydroxymethylbeyeran-19-oic acid 4 and its ethyl ester 5 were synthesized in good yield with a facile method that has never been reported. The mechanism of this ...