Two novel abietane diterpenes from Salvia miltiorrhiza.
Two new abietane-type pigments named tanshinol A (1) and tanshinol B (2) have been isolated from the roots of Salvia miltiorrhiza B. (Labiatae) as minor components together with sixteen other related tanshinone pigments 3-18. The structures of the two novel components 1 and 2 were established by means of spectral analyses.
Ryu
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SY
Korea Research Institute of Chemical Technology, Yusung P.O. Box 107, Taejeon 305-606, Korea.
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Kim
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Ahn
J W
JW