Topic
Aliphatic compound
About: Aliphatic compound is a research topic. Over the lifetime, 8130 publications have been published within this topic receiving 218781 citations. The topic is also known as: aliphatic compounds & aliphatics.
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935 citations
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TL;DR: In this article, new phosphonoester reagents and reaction conditions are described which yield Z-alpha, beta-unsaturated esters stereoselectively and in high yield from aliphatic and aromatic aldehydes.
924 citations
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811 citations
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TL;DR: Hydrogenolysis of lignin model compounds highlights the potential of this approach for the conversion of refractory aryl ether biopolymers to hydrocarbons.
Abstract: Selective hydrogenolysis of the aromatic carbon-oxygen (C-O) bonds in aryl ethers is an unsolved synthetic problem important for the generation of fuels and chemical feedstocks from biomass and for the liquefaction of coal. Currently, the hydrogenolysis of aromatic C-O bonds requires heterogeneous catalysts that operate at high temperature and pressure and lead to a mixture of products from competing hydrogenolysis of aliphatic C-O bonds and hydrogenation of the arene. Here, we report hydrogenolyses of aromatic C-O bonds in alkyl aryl and diaryl ethers that form exclusively arenes and alcohols. This process is catalyzed by a soluble nickel carbene complex under just 1 bar of hydrogen at temperatures of 80 to 120°C; the relative reactivity of ether substrates scale as Ar-OAr>>Ar-OMe>ArCH2-OMe (Ar, Aryl; Me, Methyl). Hydrogenolysis of lignin model compounds highlights the potential of this approach for the conversion of refractory aryl ether biopolymers to hydrocarbons.
684 citations
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TL;DR: In this paper, the diaza-1,4bicyclo [2.2] octane, la quinuclidine and ses derives, the quinine
621 citations