Tetrahedron Letters p. 377 - 380 (2005)
Update date:2022-08-05
Topics:
Nyerges, Miklós
Pintér, áron
Virányi, Andrea
Bitter, István
Toke, László
A new, general route to the benz[5,6]azepino[4,3-b]indole ring system has been developed via the 1,7-dipolar electrocyclisation reactions of azomethine ylides. A new, general route to the benz[5,6]azepino[4,3-b]indole ring system has been developed via the 1,7-dipolar electrocyclisation reactions of azomethine ylides derived from easily available 3-formyl indole derivatives. The intermediacy of azomethine ylides was shown by the trapping of the proposed α,β:γ,δ-conjugated dipole with N-phenylmaleimide.
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