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Furyl intermediates of cardenolides, their synthesis and production of cardenolides and their isomers therefrom
Furyl intermediates of cardenolides, their synthesis and production of cardenolides and their isomers therefrom
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机译:心内酯的呋喃基中间体,及其合成和生产心内酯及其异构体
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摘要
The invention relates to furyl intermediates and the preparation thereof, said intermediates being particularly useful in the preparation of synthetic cardenolides and their isomers. The process provides for the reaction of an unsaturated steroidal 17 ketone with a beta -furyl compound to produce an allylic alcohol which is subjected to acetylation and allylic rearrangement. The resulting material is then hydrogenated to produce the furyl intermediate. Cardenolides are formed therefrom by oxidation of the furyl intermediates.
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