Syngas‐Free Highly Regioselective Rhodium‐Catalyzed Transfer Hydroformylation of Alkynes to α,β‐Unsaturated Aldehydes
作者:Guangying Tan、Yimin Wu、Yang Shi、Jingsong You
DOI:10.1002/anie.201902553
日期:2019.5.27
fundamental and important reaction in both academic research and industry. Conventional methods focus on the conversion of alkynes, CO, and H2 into α,β‐unsaturated aldehydes, but they often suffer from problems associated with operation, regioselectivity, and chemoselectivity. Herein, we disclose an operationally simple, mild, and syngas‐free rhodium‐catalyzed reaction for the hydroformylation of alkynes
炔烃的加氢甲酰化是学术研究和工业中的基本且重要的反应。常规方法着重于将炔烃,CO和H 2转化为α,β-不饱和醛,但它们经常遇到与操作,区域选择性和化学选择性相关的问题。本文中,我们公开了一种操作简单,温和且无合成气的铑催化的反应,可通过烷基醛中的甲酰基和氢化物转移进行炔烃的加氢甲酰化反应。该合成方法使用廉价且易于手柄Ñ-丁醛可克服传统方法中使用合成气带来的挑战,并使用市售的催化剂和配体将各种内部炔烃(尤其是含炔基的复杂分子)转化为通用的立体定义的α,β-不饱和醛,具有出色的化学,区域和立体选择性。