4430-75-5
八氢吡啶并[1,2-a]吡嗪
+
78-94-4
丁烯酮 甲基乙烯基酮
→
~81%
88327-77-9
4-(1,3,4,6,7,8,9,9a-octahydropyrido[1,2-a]pyrazin-2-yl)butan-2-one