γ‐Al
2
O
3
/Triflic acid as cooperative catalysts for the tandem Michael addition/carbocyclization: An easy access to 2‐substituted pyrrolo[2,1‐
a
]isoquinolines and 3‐substituted pyrrolidine‐2,5‐diones
2018 ◽
Vol 107
◽
pp. 74-81
◽
2009 ◽
Vol 351
(17)
◽
pp. 2811-2816
◽
2000 ◽
Vol 24
(4)
◽
pp. 467-476
◽
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