PROCESS FOR PREPARING D-N,N-BIS-(1-HYDROXYMETHYLOPROPYL)- ETHYLENEDIAMINE

摘要

1374947 Ethambutol PLIVA PHARMACEUTICAL & CHEMICAL WORKS 6 Feb 1973 [9 June 1972] 5730/73 Heading C2C Ethambutol and its salts are prepared by reducing d-4,4SP1/SP-diethyl-2,2SP1/SP-bisoxazolidine with sodium borohydride, optionally followed by salt formation. The starting material is prepared by condensing d-2-aminobutanol with glyoxal in ethanol.