Acid-Catalyzed Cyclization of Vinyl-Substituted Porphyrins. An Improved  Synthesis of Deoxophylloerythroetioporphyrin (DPEP) and Related Compounds

Claude Bauder; Ruben Ocampo; Henry J. Callot

doi:10.1055/s-1990-21083

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Synlett 1990; 1990(6): 335-337
DOI: 10.1055/s-1990-21083

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Acid-Catalyzed Cyclization of Vinyl-Substituted Porphyrins. An Improved Synthesis of Deoxophylloerythroetioporphyrin (DPEP) and Related Compounds

Claude Bauder^* , Ruben Ocampo, Henry J. Callot

^*URA 31 du C.N.R.S., Institut de Chimie, Université Louis Pasteur, 1 rue Blaise Pascal, F-67008 Strasbourg, France

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Publication Date:
08 March 2002 (online)

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The five-membered E-ring of deoxophylloerythroetioporphyrin (DPEP) and related sedimentary porphyrins was obtained in a single step by the acid-catalyzed cyclization of a vinyl group onto a vicinal meso position.

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