PYRROLE STUDIES. PART 40. SYNTHESIS OF 2- AND 3-SUBSTITUTED 1-METHYLINDOLES FROM VINYLPYRROLES.
4-Substituted-2-vinylpyrroles are more reactive than 2-substituted-4-vinylpyrroles in their reaction with DMAD to yield, respectively, 6,7- and 4,5-dihydroindoles, which are readily dehydrogenated to give indoles possessing electron-withdrawing substituents at the 3- and 2-positions.
Gonsalez-Rosende, Eugenia,Jones, R. Alan,Sepulveda-Arques, Jose,Zaballos-Garcia, Elena
p. 1669 - 1678
(2007/10/02)
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