1393834-89-3Relevant academic research and scientific papers
Steric effects compete with aryne distortion to control regioselectivities of nucleophilic additions to 3-silylarynes
Bronner, Sarah M.,MacKey, Joel L.,Houk,Garg, Neil K.
, p. 13966 - 13969 (2012/10/29)
We report an experimental and computational study of 3-silylarynes. The addition of nucleophiles yield ortho-substituted products as a result of aryne distortion, but meta-substituted products form predominately when the nucleophile is large. Computations correctly predict the preferred site of attack observed in both nucleophilic addition and cycloaddition experiments. Nucleophilic additions to 3-tert-butylbenzyne, which is not significantly distorted, give meta-substituted products.
