| 摘要 |
1499230 Oxidation of aminobutanols to aminoketones GRUPPO LEPETIT SpA 22 Sept 1976 [6 Nov 1975] 39219/76 Heading C2C Compounds of the formula in which each of R and R 1 is a C 1-4 alkyl group or R and R 1 , together with the adjacent nitrogen atom, form a pyrrolidino, piperidino or morpholino radical and R 2 represents a C 1-4 alkyl group, are prepared by oxidizing an alpha-l or beta-dl aminobutanol of formula with an oxidizing agent selected from derivatives of hexavalent chromium, derivatives of trivalent cobalt, manganese dioxide, alkali metal manganates, permanganates, bismuthates and periodates and lead tetra-acetate in an acidic medium between room temperature and 150‹ C. |
