Abstract

Two pseudoalkaloid taxane diterpenoids were isolated from seeds of the Chinese yew tree Taxus chinensis var. mairei. Their structures were established as 2α,9α,10β,13α-tetraacetoxy-5α(3′-methylamino-3′-phenyl)-propionyloxy-taxa-4(20),11-diene and 7β,9α,10β,13α-tetraacetoxy-5α(3′-methylamino-3′-phenyl)-propionyloxy-taxa-4(20),11-diene, with the aid of NMR spectral and FAB-MS data analysis.

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