PROCESS FOR PRODUCING PHENETHANOL AMINES

摘要

Title compds. (I) [R1=H, F; R2=Me, Et; R3=OH, C1-4 alkanoyloxy, aminocarbonyl, methylamino carbonyl, C1-2 alkoxy carbonyl; C*= assymmetric carbon having R configuration; C**=assymmetric carbon having S configuration , useful as a weight controlling agent, are prepd. by redn. of the compd. (III).