Abstract
We have successfully isolated the zinc carbamate complex (phen)Zn(OAc)(OC(=O)NHPh) (1, phen=1,10-phenanthroline), which is an intermediate in the Zn(OAc)2/phen-catalyzed synthesis of organic carbamates from CO2, amines, and Si(OMe)4. By analyzing the reaction mechanism based on the reactivity of 1 and DFT calculations, we improved the catalytic system and synthesized various organic carbamates—including polyurethane raw materials—by using CO2 at 1 atm. More information can be found in the Full Paper by J.-C. Choi et al. (DOI: 10.1002/chem.202103587).
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