A new synthesis of pyrroles fused with polycyclic skeletons

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1997Publisher:Royal Society of Chemistry (RSC)Journal:Journal of the Chemical Society, Perkin Transactions 1 (issn: 0300-922X, eissn: 1364-5463,

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Authors: Satoshi Ito; Takashi Murashima; Noboru Ono;

doi: 10.1039/a704418f

A new synthesis of pyrroles fused with polycyclic skeletons

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Abstract

The Diels–Alder reaction of β-sulfonylnitroethylene with cyclopentadiene, cyclohexadiene or substituted anthracenes followed by treatment with ethyl isocyanoacetate in the presence of DBU gives pyrroles fused with bicyclo[2.2.1]heptadiene and bicyclo[2.2.2]octadiene skeletons, or triptycene-types of pyrrole, respectively, which are precursors for novel porphyrins fused with polycyclic skeletons.

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