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Beilstein J. Org. Chem. 2022, 18, 1403–1409, doi:10.3762/bjoc.18.145
Graphical Abstract
Scheme 1: Synthetic studies to obtain mono- and dipyrrole-substituted compounds.
Scheme 2: The reaction of 5-phenyl-1,9-diformyldipyrromethane (1a) with pyrrole.
Figure 1: 1H NMR spectrum of 2a in THF-d8.
Figure 2: Electronic absorption spectrum of 2a in CHCl3.
Scheme 3: [2 + 2] Mac Donald type condensation reaction.
Beilstein J. Org. Chem. 2018, 14, 187–193, doi:10.3762/bjoc.14.13
Scheme 1: Overview of the synthesis of directly linked porphyrin–corrole hybrid compounds.
Scheme 2: Synthesis of β-meso directly linked porphyrin–corrole hybrid compounds.
Scheme 3: Synthesis of porphyrin–corrole hybrid derivatives. *100 mol % of AlCl3 was used as a catalyst.
Figure 1: 1H NMR spectrum of 4a in CDCl3.