Novel one-pot synthesis of 5-alkenyl-15-alkynylporphyrins and their derivatisation to a butadiyne-linked benzoporphyrin dimer

H Yamada, K Kushibe, T Okujima, H Uno…

Index: Yamada, Hiroko; Kushibe, Kayo; Okujima, Tetsuo; Uno, Hidemitsu; Ono, Noboru Chemical Communications, 2006 , # 4 p. 383 - 385

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Citation Number: 14

Abstract

5-Alkenyl-15-alkynylporphyrins have been obtained unexpectedly by [2+ 2] acid-catalyzed condensation of dipyrrylmethane and TMS propynal in addition to 5, 15-dialkynylporphyrin, and the unsymmetrical porphyrin can be converted to a butadiyne-linked dimer by selective desilylation of the alkynyl TMS.