期刊
SYNLETT
卷 -, 期 -, 页码 -出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/a-2079-7989
关键词
secologanin; bioinspired transformation; monoterpenoid; indole alkaloid; hetero-oligomeric iridoid glycoside; collective total synthesis
The preparation of natural product libraries by total synthesis is an important and attractive research topic in organic chemistry. This Account presents a practical total synthesis of secologanin using an asymmetric organocatalytic cascade reaction. It also describes the collective total synthesis of secologanin-related natural products using reference to biosynthesis. So far, 39 secologanin-related natural products have been successfully synthesized using bioinspired strategies, with the synthetic strategies for 20 of them presented in this Account.
The preparation of natural product libraries by total synthesis has become an extremely important and attractive research topic in organic chemistry. In higher plants, secologanin, which belongs to the monoterpene family, is the starting point for derivation into natural products with different skeletons and biological activities. This Account presents a practical total synthesis of secologanin using an asymmetric organocatalytic cascade reaction. In addition, a collective total synthesis of secologanin-related natural products, such as monoterpenoid indole alkaloids and hetero-oligomeric iridoid glycosides, is described from the synthesized secologanin and its derivatives. To date, we have successfully synthesized 39 secologanin-related natural products using bioinspired strategies with reference to biosynthesis, and in this Account, details of the synthetic strategies for 20 of them are presented. By combining these total syntheses into a single Account, we hope to provide a better view of how the pieces connect to one another and how each piece fits together into the overall body of work. 1 Introduction 2 A Practical Total Synthesis of Secologanin 3 Total Syntheses of 5-Carboxystrictosidine and Related Indole Alkaloid Glycosides 4 Total Syntheses of Strictosidine and Related Indole Alkaloid Glycosides 5 Total Syntheses of.-Carboline-Type Monoterpenoid Indole Alkaloid Glycosides 6 Total Syntheses of Non-Glycosylated Monoterpenoid Indole Alkaloids 7 Total Syntheses of Hetero-Oligomeric Iridoid Glycosides 8 Conclusion and Future Prospects
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