scholarly journals The synthesis of functionalized bridged polycycles via C–H bond insertion

2016 ◽  
Vol 12 ◽  
pp. 985-999 ◽  
Author(s):  
Jiun-Le Shih ◽  
Po-An Chen ◽  
Jeremy A May
Keyword(s):  
Natural Product ◽  
Essential Elements ◽  
Natural Product Synthesis ◽  
Ring Systems ◽  
Catalyst Development

This review presents examples from the chemical literature of syntheses of bridged-polycyclic products via C–H bond insertion by carbenes and nitrenes. Applications to natural product synthesis, a description of the essential elements in substrate-controlled reactions, and mechanistic details of transformations are presented. Overall, these transformations allow the construction of important ring systems rapidly and efficiently, though additional catalyst development is needed.

scholarly journals Advances in polycyclization cascades in natural product synthesis

2021 ◽  
Author(s):  
Yubo Jiang ◽  
Ryan E. McNamee ◽  
Philip J. Smith ◽  
Ana Sozanschi ◽  
Zixuan Tong ◽  
...  
Keyword(s):  
Natural Product ◽  
Cascade Reactions ◽  
Single Step ◽  
Natural Product Synthesis ◽  
Ring Systems ◽  
Recent Advances ◽  
Powerful Means ◽  
Multiple Ring

Cascade reactions are among the most powerful means to achieve the construction of multiple ring systems in a single step. This tutorial review describes recent advances in the use of polycyclization cascades in natural product synthesis.

Recent applications of asymmetric organocatalytic annulation reactions in natural product synthesis

2021 ◽  
Author(s):  
Nengzhong Wang ◽  
Zugen Wu ◽  
Junjie Wang ◽  
Nisar Ullah ◽  
Yixin Lu
Keyword(s):  
Natural Products ◽  
Natural Product ◽  
Natural Product Synthesis ◽  
Natural Products Synthesis

A comprehensive and updated summary of asymmetric organocatalytic annulation reactions is presented; in particular, the applications of these annulation strategies to natural products synthesis are highlighted.

scholarly journals The Synthesis of Conjugated Bis-Aryl Vinyl Substrates and Their Photoelectrocyclization Reactions towards Phenanthrene Derivatives

Synthesis ◽  
2021 ◽  
Author(s):  
Jon D. Rainier ◽  
Xuchen Zhao
Keyword(s):  
Natural Product ◽  
Natural Product Synthesis ◽  
Mechanistic Studies ◽  
Efficient Strategy

AbstractThe photoelectrocyclization of conjugated vinyl biaryls has proven to be a valuable and efficient strategy for generating phenanthrene derivatives. Contained in this review is an overview of the mechanism for the transformation and a discussion of the reaction scope with a focus on the electrocyclization itself, rearomatization, and the application of the reaction in natural product synthesis.1 Introduction2 The Synthesis of Conjugated Vinyl Biaryls3 Mechanistic Studies4 Substrate Scope5 Applications6 Conclusions

Palladium-catalyzed cascade cyclizations involving C–C and C–X bond formation: strategic applications in natural product synthesis

2021 ◽  
Author(s):  
K. R. Holman ◽  
A. M. Stanko ◽  
S. E. Reisman
Keyword(s):  
Natural Product ◽  
Bond Formation ◽  
Natural Product Synthesis ◽  
Cascade Cyclizations ◽  
Palladium Catalyzed ◽  
Multiple Rings

This tutorial review highlights the use of palladium-catalyzed cascade cyclizations in natural product synthesis, focusing on cascades that construct multiple rings and form both C–C and C–X (X = O, N) bonds in a single synthetic operation.

scholarly journals Applications of the Horner-Wadsworth-Emmons olefination in modern natural product synthesis

Synthesis ◽  
2021 ◽  
Author(s):  
Dávid Roman ◽  
Maria Sauer ◽  
Christine Beemelmanns
Keyword(s):  
Natural Products ◽  
Natural Product ◽  
Natural Product Synthesis ◽  
Reaction Conditions ◽  
Comprehensive Review ◽  
Modern Natural ◽  
Key Steps ◽  
Synthetic Approaches

Here, we have summarized more than 30 representative natural product syntheses published in 2015 to 2020 that employ one or more Horner-Wadsworth-Emmons (HWE) reactions. We comprehensively describe the applied phosphonate reagents, HWE reaction conditions and key steps of the total synthetic approaches. Our comprehensive review will support future synthetic approaches and serve as guideline to find the best HWE conditions for the most complicated natural products known

ChemInform Abstract: Application of Catalytic Z-Selective Olefin Metathesis in Natural Product Synthesis

ChemInform ◽  
2015 ◽  
Vol 46 (42) ◽  
pp. no-no
Author(s):  
Simon Werrel ◽  
Johannes C.L. Walker ◽  
Timothy J. Donohoe
Keyword(s):  
Natural Product ◽  
Olefin Metathesis ◽  
Natural Product Synthesis
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