Abstract

Abstract The methanol extract of subaerial parts of Taraxacum linearisquameum Soest afforded two eudesmane type sesquiterpene lactones, 2 β -hydroxysantamarine-1 β - d -glucopyranoside ( 2 ) and 3 β -hydroxy-4 αH -3-dihydrosantamarine- β - d -glucopyranoside ( 3 ) and two inositol derivatives, (1S,2S,4R,5S)-2,3,4,6-tetrahydroxy-5-[2-(4-hydroxyphenyl)acetyl]oxycyclohexyl-2-(4-hydroxyphenyl)acetate ( 4 ) and (2S,3R,5R,6S)-2,3,5,6-tetrahydroxy-4-[2-(4-hydroxyphenyl)acetyl]oxycyclohexyl-2-(4-hydroxy-phenyl)acetate ( 5 ). Additionally, the known compound taraxinic acid β - d -glucopyranosyl ester ( 1 ) has been isolated.

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