AI Article Synopsis
- The study presents a new method for producing ethylene glycol (EG) using carbon monoxide as a starting material in a two-step process.
- In the first step, the researchers create oxamates from piperidine and ethanol using a palladium catalyst without phosphine ligands.
- The oxamates are then hydrogenated in the second step employing Milstein's catalyst, establishing a novel way to synthesize EG by enhancing C1 chemical compounds.
Article Abstract
The present study reports an improved approach for the preparation of ethylene glycol (EG) by using carbon monoxide as C1 chemical by a two-step oxidative carbonylation and hydrogenation sequence. In the first step, oxamates are synthesized through oxidative cross double carbonylation of piperidine and ethanol by using Pd/C catalyst under phosphine ligand-free conditions and subsequently hydrogenated by Milstein's catalyst (carbonylhydrido[6-(di-t-butylphosphinomethylene)-2-(N,N-diethylaminomethyl)-1,6-dihydropyridine]ruthenium(II)). The presented stepwise oxamate-mediated coupling provides the basis for a new strategy for the synthesis of EG by selective upgrading of C1 chemicals.
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| http://dx.doi.org/10.1002/cssc.201700157 | DOI Listing |
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