Synthesis and Bergman cyclization of a β-extended porphyrenediyne

Literature Information

Publication Date 2003-12-09
DOI 10.1039/B312001E
Impact Factor 6.222
Authors

John D. Spence, Eric D. Cline, Domingo M. LLagostera, Patrick S. O'Toole


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Abstract

Condensation of a porphyrin-2,3-dione with a 1,2-diaminoarenediyne affords a β-extended porphyrinic-enediyne: upon thermal Bergman cyclization the quinoxaline spacer positioned between the macrocycle and the enediyne prevents tandem radical cyclization to a picenoporphyrin.

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