该工作重点关注了这些分子的结构多样性及其仿生合成,为更多 [2+2] 型环丁烷天然产物的全合成或仿生合成以及进一步的植物化学研究提供了灵感。 该成果以“[2+2]-Cycloaddition-derived cyclobutane natural products: structural diversity, sourc...
Jonathan S. Trimble, Rebecca Crawshaw, Florence J. Hardy, Colin W. Levy, Murray J. B. Brown, Douglas E. Fuerst, Derren J. Heyes, Richard Obexer & Anthony P. Green. A Designed Photoenzyme for Enantioselective [2+2]-Cycloadditions. Nature. 2022. https://doi.org/10.1038/s41586-022-05...
10 The Pauson–Khand reaction is formally a [2+2+1] cycloaddition reaction between an alkyne, an alkene, and carbon monoxide to give a cyclopentenone. From: Comprehensive Inorganic Chemistry II (Second Edition), 2013 About this pageSet alert Discover other topics ...
I. Chirality Transfer in the Allenic [2+2+1] Cycloaddition Reaction. II. An Approach Towards the Synthesis of Antitumor Agent, (±)-Suberosenone, Using an ... In chapter 1, the synthetic utility of the chirality transfer process is examined by changing the R group on the terminus of the...
Photosensitized [2+2]-Cycloadditions of Alkenylboronates and Alkenes Yanyao Liu + , Dongshun Ni + , Bernard G. Stevenson, Vikrant Tripathy, Sarah E. Braley, Krishnan Raghavachari, John R. Swierk,* and M. Kevin Brown* Angew. Chem. Int. Ed. DOI: 10.1002/anie.202200725 ...
Photosensitized [2+2]-Cycloadditions of Alkenylboronates and Alkenes Yanyao Liu+, Dongshun Ni+, Bernard G. Stevenson, Vikrant Tripathy, Sarah E. Braley, Krishnan Raghavachari, John R. Swierk,* and M. Kevin Brown* Angew. Chem. Int. Ed. DOI: 10.1002/anie.202200725...
A synthetic method to stereoselectively prepare 4-(cyclohexa-1,3-dienyl)-1,3-dioxolanes in good to excellent yields by gold(I)-catalyzed [2+2+1] cycloaddition of 1,6-diyne carbonates and esters with aldehydes is described. The cascade process involves 1,2-acyloxy migration followed by cyclo...
Palladium catalysed [2 + 2 + 1] intramolecular cycloaddition for the preparation of bicyclo[3.3.0]octa-1.5-dien-3-ones from 1,6-diynes. Ronald Grigg... Ronald,Grigg,Lixin,... - 《Chemical Communications》 被引量: 16发表: 2003年 Palladium catalysed [2 + 2 + 1] intramolecular cycloadditio...
Access to Complex Scaffolds Through [2 + 2] Cycloadditions ofStrained Cyclic Allenes. Matthew S. McVeigh, Jacob P. Sorrentino, Allison T. Hands, Neil K. Garg*. J. Am. Chem. Soc.2024 https://doi.org/10.1021/jacs.4c03369 长按扫码,查看原文 ...
3 The reaction time course of photocycloaddition of 1b catalysed by TPe4.0_FBpA under different light intensity irradiation. Light intensity is (A) 162 mW/cm2 and (B) 3.8 mW/cm2. Error bars denote the standard deviation from triplicate measurements, and they are not shown when smaller...