1,2-Azaborolyls, isoelectronic analogues of the ubiquitous cyclopentadienyl ligand: Synthesis of B-heteroatom-substituted 1,2-azaborolyl complexes and an assessment of their electronic features

Article abstract of DOI:10.1002/1521-3773(20020104)41:1<174::AID-ANIE174>3.0.CO;2-7

The substituent on boron allows the electronic nature of the heterocycle of B-heteroatom-substituted (R = H, O, S, N, P, and F) 1,2-azaborolyl complexes to be modulated. Given that isoelectronic with cyclopentadienyl (see scheme), one of the most widely u