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独立后第17篇 -7/5/6云南酮的分离与合成 Org.Chem.Front.

文章来源:  |  发布时间:2018-06-19  |  作者:  |  浏览次数:  |  【打印】 【关闭

 

Isolation, structural elucidation, and synthetic
study of salviyunnanone A, an abietane derived
diterpenoid with a 7/5/6/3 ring system from
Salvia yunnanensis

 

 Org. Chem. Front. 2018, 5, 1262-1266.

 

ab stra ct

Salviyunnanone A (1), a cytotoxic diterpenoid possessing an unprecedented 7/5/6/3 ring system derived
from a normal abietane skeleton, was characterized from Salvia yunnanensis. Its structure was established
by extensive MS and NMR spectroscopic analyses and its absolute configuration was defined by the com-
parison of experimental and calculated ECDs. The synthetic study of 1 was carried out and its 6-epi-
isomer (12) was achieved in 9 steps involving the conjugated addition of an aryl boronic acid as a key step.

 

 

 

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