h. The reaction of BF3, two equivalents of pyridine, and [Et3Si][BArf] (where [BArf]* = [B(C6F5)4]", a weakly coordinati

[answerhappygod]

H The Reaction Of Bf3 Two Equivalents Of Pyridine And Et3si Barf Where Barf B C6f5 4 A Weakly Coordinati 1 (88.49 KiB) Viewed 28 times

h. The reaction of BF3, two equivalents of pyridine, and [Et3Si][BArf] (where [BArf]* = [B(C6F5)4]", a weakly coordinating anion) results in the formation of a new boron-containing compound, A, whose positive mass spectrum shows a molecular ion peak at m/z=207. The 11B{'H} NMR for A shows two environments, one singlet and one triplet, whilst the 'H NMR shows a single pyridine environment. What is A? Justify your answer. [4 marks]