反应详情

3 g of tris-(2-hydroxypropyl)amine and 1 g of SnO2 doped with sulfuric acid were heated in a manner similar to that described in Example 3 for a period of 1 h at 250° C. There were obtained, in addition to 50 wt % of educt, 30 wt % of N-(2-hydroxypropyl)-2,6-dimethylmorpholine.

1. temperaturewere heated in a manner similar to