Author(s): LaroucheGauthier R, Fletcher CJ, Couto I, Aggarwal VK
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Abstract (-)-Sparteine induced lithiation of primary 2,4,6-triisopropylbenzoates and subsequent homologation of boronic esters is reported. A comparative study with lithiated N,N-diisopropylcarbamates has demonstrated the superiority of the hindered benzoate.
This article was published in Chem Commun (Camb)
and referenced in Organic Chemistry: Current Research