On the Reactivity of RSnCl and RSiMe3 {R = 4‐tBu‐2,6‐[P(O)(OiPr)2]2C6H2} towards BF3·OEt2: Competing Lewis Acidities
2015
The reactions of boron trifluoride with the organostannylene RSnCl {R = 4-tBu-2,6-[P(O)(OiPr)2]2C6H2} and the organosilane RSiMe3 provided the corresponding 1:1 and 1:2 complexes, respectively, through the formation of P=OB interactions. In the former reaction, even with excess BF3·OEt2, no SnB complexation involving the lone electron pair at the tin(II) center was observed. The experimental results are supported by DFT calculations.
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