Issue 1, 2001

Peculiar reactivity of face to face biscorrole and porphyrin–corrole with a nickel(II) salt. X-Ray structural characterization of a new nickel(II) bisoxocorrole

Abstract

New nickel(II) bisoxocorrole complexes have been synthesized and characterized. Two nickel bisoxocorrole isomer complexes are formed in a 1:1 ratio when a biscorrole, where an anthracenyl bridge links the two macrocycles in a face to face arrangement, is metallated by nickel in air. Evidence for the insertion of an oxo group at one of the meso positions is given by the X-ray structural characterization of the Ni2(BOCA) “cis” isomer where BOCA is a bisoxocorrole with an anthracenyl spacer. Conversely, under the same reaction conditions no nickel bisoxocorrole is obtained when biphenylene is the linker of the biscorrole system, the major product of the reaction being a bisnickel bisradical species. Only a small amount of a bisnickel hydrooxobiscorrole is isolated in this reaction. A reaction mechanism for both series (anthracenyl and biphenylenyl) is given and a comparison of the behavior of the biscorrole system with related derivatives is proposed.

Supplementary files

Article information

Article type
Paper
Submitted
18 Sep 2000
Accepted
06 Oct 2000
First published
04 Dec 2000

New J. Chem., 2001,25, 93-101

Peculiar reactivity of face to face biscorrole and porphyrincorrole with a nickel(II) salt. X-Ray structural characterization of a new nickel(II) bisoxocorrole

F. Jérôme, J. Barbe, C. P. Gros, R. Guilard, J. Fischer and R. Weiss, New J. Chem., 2001, 25, 93 DOI: 10.1039/B007623F

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