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A convergent approach to gamma-carbonyl vinyl boronates.

Chemical communications (Cambridge, England) (2005-06-17)
Markus R Heinrich, Lisa A Sharp, Samir Z Zard
RÉSUMÉ

Gamma-carbonyl vinyl boronates can be prepared by a visible light induced radical chain addition of an S-acyl dithiocarbonate (xanthate) to the pinacol ester of vinyl boronic acid, followed by treatment with base.

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Sigma-Aldrich
Vinylboronic acid pinacol ester, contains phenothiazine as stabilizer, 95%