The structures of chimganin and chimgin
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The roots ofFerula tschimganica Lipsky have yielded two new compounds with the compositions C18H24O4 (mp 85°C) and C17H22O3 (mp 155°C), which have been calledchimganin andchimgin. On the basis of their UV, IR, and NMR spectra and the products of alkaline hydrolysis, it has been shown that chimganin is the ester of 4-hydroxy-3-methoxybenzoic acid and chimgin that of 4-hydroxybenzoic acid with (+)-borneol.
KeywordsPetroleum Ether Vanillic Acid Sesquiterpene Lactone Borneol Aromatic Nucleus
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