Dx. Gao et Nl. Bauld, N-(trans-1-Propenyl)carbazole: an excellent dienophile for cation radical Diels-Alder cycloadditions, TETRAHEDR L, 41(32), 2000, pp. 5997-6000
The efficient, regiospecific, and periselective Diels-Alder cycloadditions
of N-(trans-1-propenyl)carbazole, a highly electron rich dienophile, to bot
h acyclic and cyclic conjugated dienes is found to be induced by tris(4-bro
mophenyl)aminium hexachloroantimonate. (C) 2000 Elsevier Science Ltd. All r
ights reserved.