From Antiaromatic Norcorrolatonickel(II) to Aromatic and Nonaromatic Zwitterions: Innocent Ligands with Unbalanced Charge of the Core
Author(s) -
Demin Ren,
Oskar Smaga,
Xinliang Fu,
Xiaofang Li,
Miłosz Pawlicki,
Sebastian Koniarz,
Piotr J. Chmielewski
Publication year - 2021
Publication title -
organic letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.94
H-Index - 239
eISSN - 1523-7060
pISSN - 1523-7052
DOI - 10.1021/acs.orglett.0c04227
Subject(s) - chemistry , antiaromaticity , acetylenedicarboxylate , pyrrole , adduct , phosphonium , medicinal chemistry , zwitterion , aromaticity , intramolecular force , stereochemistry , polymer chemistry , organic chemistry , molecule
A three-component reaction of antiaromatic meso -mesityl-3-nitronorcorrolatonickel(II) 1 -NO 2 with dialkyl acetylenedicarboxylate and PBu 3 yields aromatic zwitterionic corrole nickel(II) complexes 3 -R with one of the meso -substituents comprising a positively charged tributyl phosphonium group and negatively charged coordination core. Reaction of 1 -NO 2 with PBu 3 alone resulted in a nonaromatic chiral adduct 5 of a zwitterionic phlorine character with a -PBu 3 + group at a pyrrole β-position.
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