A Modular Strategy for the Synthesis of Macrocycles and Medium-Sized Rings via Cyclization/Ring Expansion Cascade Reactions
作者:Illya Zalessky、Jack M. Wootton、Jerry K. F. Tam、Dominic E. Spurling、William C. Glover-Humphreys、James R. Donald、Will E. Orukotan、Lee C. Duff、Ben J. Knapper、Adrian C. Whitwood、Theo F. N. Tanner、Afjal H. Miah、Jason M. Lynam、William P. Unsworth
DOI:10.1021/jacs.4c00659
日期:2024.2.28
and medium-sized rings are important in many scientific fields and technologies but are hard to make using current methods, especially on a large scale. Outlined herein is a strategy by which functionalized macrocycles and medium-sized rings can be prepared using cyclization/ring expansion (CRE) cascade reactions, without resorting to high dilution conditions. CRE cascade reactions are designed to operate
大环和中型环在许多科学领域和技术中都很重要,但使用现有方法很难制造,尤其是大规模制造。本文概述了一种策略,通过该策略可以使用环化/扩环(CRE)级联反应来制备官能化大环和中等大小的环,而不需要采用高稀释条件。 CRE 级联反应专门通过动力学有利的 5-7 元环环化步骤进行操作;这意味着避免了通常与经典的端到端大环化反应相关的问题。已经开发出一种模块化合成方法,以促进所需线性前体的简单组装,然后可以使用九种 CRE 方案之一将其转化为极其广泛的官能化大环化合物和中等大小的环。