Approach to the Synthesis of Antitumor Quassinoids from Labdane Diterpenes: An Efficient Synthesis of a Picrasane-Related Intermediate
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https://figshare.com/articles/dataset/Approach_to_the_Synthesis_of_Antitumor_Quassinoids_from_Labdane_Diterpenes_An_Efficient_Synthesis_of_a_Picrasane-Related_Intermediate/3737286
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资源简介：
The tetracyclic ketal 24, a suitable intermediate for the synthesis of antitumor pentacyclic quassinoids, has been efficiently prepared from
communic acids (5a−c), via methyl ketone 9. The synthetic sequence from 9 to 24 consists of 15 steps in 12% overall yield.
创建时间：
2016-08-20
