Herein, we report the development of an efficient green procedure for synthesizing carbonyl furanderivatives by dehydrogenative coupling of furfuryl alcohol with carbonyl compounds. The reaction is performed under mild reaction conditions in the presence of iPrPNP-Mn as the catalyst and a weak base (Cs2CO3). A range of ketones and aldehydes were efficiently diversified with furfuryl alcohol to afford
在此,我们报告了通过糠醇与羰基化合物的脱氢偶联来合成羰基呋喃衍生物的高效绿色工艺的开发。该反应在温和的反应条件下在iPr PNP-Mn 作为催化剂和弱碱 (Cs 2 CO 3 ) 的存在下进行。一系列酮和醛与糠醇有效地分离,以良好的分离收率提供呋喃基取代的饱和酮和 α,β-不饱和酮和醛。
Chemoselective Hydrogenation of α,β-Unsaturated Ketones Catalyzed by a Manganese(I) Hydride Complex
作者:Kartick Dey、Graham de Ruiter
DOI:10.1021/acs.orglett.4c00277
日期:2024.5.24
Here, we report the chemoselectivehydrogenation of α,β-unsaturatedketones catalyzed by a well-defined Mn(I) PCNHCP pincer complex [(PCNHCP)Mn(CO)2H] (1). The reaction is compatible with a wide variety of functional groups that include halides, esters, amides, nitriles, nitro, alkynes, and alkenes, and for most substrates occurs readily at ambient hydrogen pressure (1–2 bar). Mechanistic studies and
在这里,我们报道了由明确的 Mn(I) PC NHC P 钳配合物 [(PC NHC P)Mn(CO) 2 H] 催化的 α,β-不饱和酮的化学选择性氢化 ( 1 )。该反应与多种官能团兼容,包括卤化物、酯、酰胺、腈、硝基、炔烃和烯烃,并且对于大多数底物来说,在环境氢气压力(1-2 bar)下很容易发生。机理研究和氘标记实验揭示了一种非合作机制,本报告将对此进行进一步讨论。
Nenaidenko; Baraznenok; Balenkova, Russian Journal of Organic Chemistry, 1998, vol. 34, # 7, p. 1019 - 1025