A Solvent‐free, Catalyst‐free Formal [3+3] Cycloaddition Dearomatization Strategy: Towards New Fluorophores for Biomolecules Labelling
作者:Liang Chang、Nathalie Fischer‐Durand、Geoffrey Gontard、Benoît Bertrand、Serge Thorimbert、Luc Dechoux
DOI:10.1002/cssc.202100301
日期:2021.4.22
A general, sustainable dearomatization reaction for nitrogen‐containing heterocycles was developed. Under solvent free conditions and without catalyst, the biorenewable methyl coumalate (MC) reacted as an efficient C3 partner to convert nine types of basic aromatic rings into their pyrido[1,2‐a] fused derivatives in good to excellent yields. The fluorescence properties of some of the products were
针对含氮杂环,开发了一种通用的可持续脱芳香化反应。在无溶剂且无催化剂的条件下,可生物再生的香豆酸甲酯(MC)作为有效的C 3伙伴反应,将九种类型的碱性芳环以良好的产率转化为吡啶并[1,2-a]稠合衍生物。利用某些产品的荧光特性,将荧光标签与牛血清白蛋白(BSA)和免疫球蛋白G缀合。