N-苯基马来酰亚胺 、
2-mercapto-1-naphthaldehyde 在
Takemoto's catalyst 作用下,
以
xylene 为溶剂,
反应 7.0h,
生成 11-hydroxy-9-phenyl-10a,11-dihydro-7aH-7-thia-9-aza-cyclopenta[b]phenanthrene-8,10-dione 、
11-hydroxy-9-phenyl-10a,11-dihydro-7aH-7-thia-9-aza-cyclopenta[b]phenanthrene-8,10-dione 、 11-hydroxy-9-phenyl-10a,11-dihydro-7aH-7-thia-9-aza-cyclopenta[b]phenanthrene-8,10-dione