... Journal of Organometallic Chemistry. Volume 592, Issue 2, 25 December 1999, Pages 180–193. ... In this regard, an extended organic moiety can provide considerable steric shielding of the inorganic part of the molecule, boron being shielded from polar solvents. ...
[Rao, P. Venkateshwara; Rao, Chebrolu Pulla; Wegelius, Elina K.; Kolehmainen, Erkki; Rissanen, Kari Journal of the Chemical Society - Dalton Transactions, 1999 , # 24 p. 4469 - 4474]