1,4,5,8-Tetrahydro-4a,8a-naphthalindicarboximid-N-methyl 在
chromium(VI) oxide 、 sodium tetrahydroborate 、
三氟化硼乙醚 作用下,
生成
12-Methyl-12-aza-tricyclo[4.4.3.01,6]tridecane-3,11,13-trione 、
12-Methyl-12-aza-tricyclo[4.4.3.01,6]tridecane-3,9,11,13-tetraone