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Curr Med Chem. 2003 Nov;10(21):2253-63.

The chemistry and biochemistry of Spiraea japonica complex.

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The State Key Laboratory of Phytochemistry and Plant Resources in West China, Kuming Institute of Botany, Chinese Academy of Sciences, Heilongtan, Kunming, Yunnan 650204, China.


The characteristic components of Spiraea japonica complex, which consists of seven varieties, are the hetisine- and atisine-type diterpene alkaloids, and the atisane-type diterpenes. From this complex, 20 hetisines, 37 atisines and 7 diterpenes were isolated during 1964-2001, including the observations of the isomerization of spiraea diterpene alkaloids having the oxazolidine ring and the interconversion of the oxazolidine rings, the configuration of the oxygen substitution at C-15 of the atisine-type alkaloids, and the interconversion relationship between the two main subtypes of the hetisine-type alkaloids. The chemotaxonomy based on structures of the reported diterpene alkaloids were suggested. The studies on the anti-inflammation, anti-platelet aggregation and neuroprotective bioactivities of the alkaloids from S. japonica var. acuta were reviewed as well.

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