Journal
ORGANIC LETTERS
Volume 11, Issue 23, Pages 5458-5461Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol9022529
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The utility of propargyl diethanolamine boronates as reagents for the preparation of allenes and homopropargylic alcohols is presented. Protonolysis with TFA and electrophilic substitution with N-halosuccinimides proceeded with inversion to provide the corresponding allene in high yield and regioselectivity. Alternatively, the propargylation of aldehydes was achieved with use of the in situ generated lithiated complex.
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