Chemistry of Natural Compounds

, Volume 6, Issue 5, pp 572–574 | Cite as

Structure and PMR spectra of isoquercitrin and hirsutrin

  • Z. P. Pakudina
  • V. B. Leont'ev
  • F. G. Kamaev
  • A. S. Sadykov


1. Two isomers of quercetin 3-glucoside are present in the flowers and leaves of the cotton plant of variety 108-F: hirsutrin, quercetin 3-β-D-glucopyranoside; and isoquercitrin, quercetin 3-β-D-glucofuranoside.

2. The quercetin 3-glucoside described by various workers under the single name “isoquercitrin” is a mixture of the pyranose and furanose forms, or is one of these two forms.


Flavonoid Quercetin Cotton Plant Sugar Moiety Weak Field 


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Copyright information

© Consultants Bureau, a division of Plenum Publishing Corporation 1973

Authors and Affiliations

  • Z. P. Pakudina
  • V. B. Leont'ev
  • F. G. Kamaev
  • A. S. Sadykov

There are no affiliations available

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