Ruthenium catalysed hydrogenation of dimethyl oxalate to ethylene glycol

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Abstract
Dimethyl oxalate is efficiently hydrogenated to ethylene glycol under mild conditions [p(H 2 ) 70 bar; 100 °C] using a ruthenium catalyst based on Ru(acac) 3 and MeC(CH 2 PPh 2 ) 3 .