期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 144, 期 46, 页码 21398-21407出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.2c10272
关键词
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资金
- United States National Institute of General Medical Sciences (NIGMS) [R35 GM130345]
- NSF GRFP for graduate research fellowships [DGE 1106400, 1752814]
- National Institute of General Medical Sciences [F31GM139368]
- Swiss National Science Foundation (SNSF) [P2BEP2_165400]
- SK Innovations
- Ruth L. Kirschstein F32 postdoctoral fellowship through the National Institute of General Medical Sciences [F32GM123601]
- Naito Foundation
- University of California
- NIH [S10OD024998, GM68933]
- Swiss National Science Foundation (SNF) [P2BEP2_165400] Funding Source: Swiss National Science Foundation (SNF)
Chemical synthesis of natural products is often inspired by the structure and function of the target molecule, and this paper presents a unified enantiospecific approach to diverse taxane cores using (S)-carvone as the starting material, which involves skeletal remodeling and C-C bond cleavage strategies.
Chemical synthesis of natural products is typically inspired by the structure and function of a target molecule. When both factors are of interest, such as in the case of taxane diterpenoids, a synthesis can both serve as a platform for synthetic strategy development and enable new biological exploration. Guided by this paradigm, we present here a unified enantiospecific approach to diverse taxane cores from the feedstock monoterpenoid (S)-carvone. Key to the success of our approach was the use of a skeletal remodeling strategy which began with the divergent reorganization and convergent coupling of two carvonederived fragments, facilitated by Pd-catalyzed C-C bond cleavage tactics. This coupling was followed by additional restructuring using a Sm(II)-mediated rearrangement and a bioinspired, visible light induced, transannular [2 + 2] photocycloaddition. Overall, this divergent monoterpenoid remodeling/convergent fragment coupling approach to complex diterpenoid synthesis provides access to structurally disparate taxane cores which have set the stage for the preparation of a wide range of taxanes.
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