A process is disclosed for the preparation of .alpha.-substituted carbonyl compounds, wherein .alpha.-substituted ketone is prepared by the following reaction: ##STR1## .alpha.-azo ester is prepared by the following reaction: ##STR2## and .alpha.-hydrozono ester is prepared by the following reaction: ##STR3## wherein the .alpha.-azo ester and .alpha.-hydrazono ester obtained by the above reactions include novel compounds, which are also disclosed.
本发明揭示了一种制备α-取代羰基化合物的方法,其中通过以下反应制备α-取代酮:##STR1## 通过以下反应制备α-偶氮酯:##STR2## 通过以下反应制备α-
肼酰基酯:##STR3## 通过上述反应获得的α-偶氮酯和α-
肼酰基酯包括新化合物,也在本发明中揭示。