Title

Synthesis and cycloaddition reactions of pyrrole-fused 3-sulfolenes: A new versatile route to tetrabenzoporphyrins

Document Type

Article

Publication Date

5-19-1997

Abstract

Pyrrole-fused 3-sulfolenes 2a,b were prepared from the corresponding α,β-unsaturated sulfone 1. These pyrroles undergo thermal extrusion of sulfur dioxide to produce highly reactive o-quinodimethanes which can be trapped in Diels-Alder reactions. The resulting pyrroles are important starting reagents in porphyrin synthesis.

Publication Source (Journal or Book title)

Tetrahedron Letters

First Page

3639

Last Page

3642

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