110661-91-1, Name is tert-Butyl 4-bromobutanoate, molecular formula is C8H15BrO2, SDS of cas: 110661-91-1, belongs to esters-buliding-blocks compound, is a common compound. In a patnet, author is Mizoguchi, Haruki, once mentioned the new application about 110661-91-1.
Synthesis of functionalized cyclopropylboronic esters based on a 1,2-metallate rearrangement of cyclopropenylboronate
A procedure converting tribromocyclopropane to densely functionalized beta-selenocyclopropylboronic ester using the 1,2-metallate rearrangement of a boron ate-complex has been developed. Treatment of an in situ-generated cyclopropenylboronic ester ate-complex with phenylselenenyl chloride triggered stereospecific rearrangement to produce functionalized cyclopropanes. DFT calculations for 1,2-metallate rearrangement suggested that the reaction proceeds through a seleniranium intermediate.
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