The synthesis, characterization and X-ray analysis of dichloro- and dibromo-borenium cations stabilized by a 4-membered carbene are reported. The ligand's structural changes, atypical for similar systems, were caused by coordination to electron deficient fragments and its CN2P ring strain. This journal is © the Partner Organisations 2014.

Rakesh Ganguly

SNU Management

M.Q.Y. Tay

B. Murugesapandian

Y. Lu

K. Rei

D. Vidović

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Shiv Nadar University

Dalton Transactions

Dihaloborenium cations stabilized by a four-membered N-heterocyclic carbene: Electron deficiency compensation by asymmetric structural changes