highly diastereoselectively: the corresponding aziridination product of cyclohexa-1,3-diene is formed less diastereoselectively and is accompanied by a by-product 9 from formal insertion into an allylic CH bond, a previously unobserved reaction type for 3-acetoxyaminoquinazolinones.
在
叔丁醇钛(IV)存在下,将3-戊氧基
氨基-2-[[(S)-1-羟基-2,2-二甲基丙基]
喹唑啉-4(3 H)-one 1)
环戊二烯和环庚二烯氮杂环化高度非对映选择性的相应
乙烯基氮丙啶:环己-1,3-二烯的相应
叠氮化产物的非对映选择性较小,并且伴随有从形式上插入烯丙基CH键的副产物9,这是以前观察不到的3-型反应类型乙酰氧基
氨基
喹唑啉酮。