Birman's catalyst; trimethylacetic anhydride; N-ethyl-N,N-diisopropylamine in diethyl ether T=20°C; 12 h; Inert atmosphereResolution of racemate; optical yield given as percent eeenantioselective reaction;

Birman's catalyst; N-ethyl-N,N-diisopropylamine in diethyl ether T=20°C; 12 h; Inert atmosphere; optical yield given as percent eeenantioselective reaction;

Birman's catalyst; trimethylacetic anhydride; N-ethyl-N,N-diisopropylamine in diethyl ether T=20°C; 12 h; Inert atmosphere; optical yield given as percent eeenantioselective reaction;

Birman's catalyst; trimethylacetic anhydride; N-ethyl-N,N-diisopropylamine in toluene T=20°C; 12 h; Inert atmosphereResolution of racemate; optical yield given as percent ee;