The title compound 4, prepared by lead tetraacetate oxidation of 5, is stable at room temperature and aziridinates alkenes in better yield and higher diastereoselectivity than, e.g. the 2-ethyl compound 1; hydrazinolysis of the quinazolinone ring in 20 gives the corresponding N-aminoaziridine 21 in 64% yield.
标题化合物4通过四
乙酸铅氧化化合物5制备而成,在室温下稳定,并且在更高的产率和更好的非对映选择性下对烯烃进行氮杂环化反应,相较于例如2-乙基化合物1;在化合物20中对
喹唑啉酮环进行
肼解,得到相应的N-
氨基氮杂环烯21,产率为64%。