Home /Betulin-3-Caffeate from Quercus suber, 13C-nmr Spectra of Some Lupenes

Betulin-3-Caffeate from Quercus suber, 13C-nmr Spectra of Some Lupenes

TitleBetulin-3-Caffeate from Quercus suber, 13C-nmr Spectra of Some Lupenes
Publication TypeJournal Article
Year of Publication1988
AuthorsPatra, A., Chaudhuri S. K., & Panda S. K.
JournalJournal of Natural Products
Volume51
Pagination217-220
Keywordsa-lupene derivatives, Chemical characterization (voyant), Cork waste, NMR, Structural characterization
Abstract

A new a-lupene ester, Iup-20(29)-en-28-01-3P-y1 caffeate (betulin-3-caf- feate) El], has been isolated from cork waste along with betulin, betulonic acid, and betulinic acid. "C-nrnr signal assignments of 1 and its derivatives are reported