Heterocycles p. 861 - 864 (1998)
Update date:2022-08-25
Topics:
Matsumoto, Kiyoshi
Ogasawara, Akira
Kimura, Shinya
Hayashi, Naoto
Machiguchi, Takahisa
The synthesis of porphyrin-linked indolizine has been achieved for the first time in a simple process from the reaction between a 5-formylindolizine (8) and dipyrrolomethane (10) giving the desired 1,7-bisindolidinoporphyrin (12). The electronic effect of the heterocyclic nuclei (12) is prominently observed in the Soret band of the UV - VIS spectrum. Temperature-dependence 1H NMR analysis of 12 suggests the existence of an association of 12 causing restricted rotation around the bond between indolizine and porphyrin.
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(2014)
