| abstract |
A method of preparing carbamates by reacting amine with alcohol and mixed gas of CO/O2 in the presence of one or more catalyst selected from the group consisting of monovalent copper halide having the structural formula of Cu[NCMe4]X, K[CuX2], [CuX(S)] (wherein X=Cl, Br, or I; S=solvent) or monovalent copper compound having carbonyl group having the structural formula of [Cu(CO)XaLb]mYn (wherein, X=CF3CO2, Cl, HB(pz)3 (wherein, pz=pyrazoyl,C3H3N2), LBF2, {LBF2=difluoro-3,3'-(trimethylenedinitrilo)bis(2-butanone oximato)borate}; L=en, diene; Y=BPh4, AsF6; a,b=0,1; m=1-4; n=0,1). |