Benzofurans as Efficient Dienophiles in Normal Electron Demand [4 + 2] Cycloadditions
2009 ◽
Vol 74
(3)
◽
pp. 1237-1246
◽
1999 ◽
Vol 64
(25)
◽
pp. 9254-9257
◽
2013 ◽
Vol 11
(47)
◽
pp. 8175
◽