Catalyst is [CoIII(salen)] encapsulated in silica-based nanoreactors
Bo LI et al., Angew. Chem. 2012, DOI: 10.1002 / anie. 201203774)
Group at CAS Dalian Institute of Chemical Physics develops nanometer-cage metal complex catalyst for 98 % ethylene-oxide to glycol conversion at 40 °C