Kinetically Controlled One-Pot Formation of DEFGH-Rings of Type B Physalins through Domino-Type Transformations
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https://figshare.com/articles/dataset/Kinetically_Controlled_One_Pot_Formation_of_DEFGH_Rings_of_Type_B_Physalins_through_Domino_Type_Transformations/2507512
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资源简介：
The characteristic DEFGH-ring system of type B physalins has been synthesized by means of a one-pot procedure incorporating domino-type ring transformations. Unexpectedly, we found that introduction of an α-hydroxyester functionality at C17 in ring E allowed the key 7-endo oxy-Michael reaction to proceed. Originally this was thought to be an unfavored process. This afforded the desired caged ring system to be formed in a kinetically controlled manner. Consecutive treatment with AcOH at 100 °C furnished the DEFGH-ring system in one pot.
创建时间：
2016-02-20
