Coordinated B2 Bridges in Porphyrins-Unexpected Formation of a Diborane(4)- from a Diborylporphyrin

Andre Weiss; Hans Pritzkow; Penelope J Brothers; Walter Siebert

doi:10.1002/1521-3773(20011119)40:22<4182::AID-ANIE4182>3.0.CO;2-F

Coordinated B₂ Bridges in Porphyrins-Unexpected Formation of a Diborane(4)- from a Diborylporphyrin

Angew Chem Int Ed Engl. 2001 Nov 19;40(22):4182-4184. doi: 10.1002/1521-3773(20011119)40:22<4182::AID-ANIE4182>3.0.CO;2-F.

Authors

Andre Weiss¹, Hans Pritzkow¹, Penelope J Brothers², Walter Siebert¹

Affiliations

¹ Anorganisch-chemisches Institut der Universität Im Neuenheimer Feld 270, 69120 Heidelberg, Germany, Fax: (+49) 6221-54-5609.
² Department of Chemistry University of Auckland Private Bag 92019, Auckland, New Zealand, Fax: (+64) 9-373-7422.

PMID: 29712106
DOI: 10.1002/1521-3773(20011119)40:22<4182::AID-ANIE4182>3.0.CO;2-F

Abstract

Fitting B₂ bridges in porphyrins can be achieved by reaction of dilithiated porphyrins with B₂ Cl₄ as well as by reductive elimination from diborylporphyrins. Coordination takes place under rectangular distortion of the porphyrin framework.

Keywords: N ligands; boron; diboranes; porphyrinoids.