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A new acylated flavonol glycoside from Derris triofoliata

Lu-Rong Xu1, Jun Wu, Si Zhang

  • 1Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, China.

Journal of Asian Natural Products Research
|June 7, 2006
PubMed

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Preparation of Diols and Pinacol Rearrangement01:57

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Compounds bearing two hydroxyl groups are known as diols. When the hydroxyl groups are located on adjacent carbon atoms, the diols are called vicinal diols or glycols. Under acidic conditions, vicinal diols undergo a specific reaction called pinacol rearrangement.
The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.