Fig. 2: Catalyst Synthesis.
From: Understanding catalytic synergy in dinuclear polymerization catalysts for sustainable polymers

Co(III)M(I/II) catalysts, M(I/III) = Na(I), K(I), Rb(I), Cs(I), Ca(II), Sr(II), Ba(II), with isolated yields (see supplementary information for experimental details). Reagents: i) Co(OAc)2, M(I)(OAc) or M(II)(OAc)2, MeCN, 1 h; ii) ethylene diamine, MeCN, 16 h; iii) Acetic acid, MeCN, air, 72 h50.