5 LIpase PS-C Amano II isopropenyl acetate Na2CO3, toluene , RT OAc Cl Ar LiOH EtOH HO Ar OH X R X = Br, Cl HheC O OH R + R X + HX HO R Nu- heC Nu- = N3-, NO - 2 , CN- OH Nu R Scheme 4 Use of haloalcohol dehalogenase C (HheC) as catalyst for the kinetic ...
The concn. of nitrosating agents in 1-chloro-2,6-dinitro-4-(trifluoromethyl)benzene was reduced by treating with inorganic base aq. soln. at 50-100oC followed by passing inert gas. Thus, 1-chloro-2,6-dinitro-4-(trifluoromethyl) benzene 28.9 g was added in the Na2CO3 6.25 g and ...
D. Na2CO3、BaCl2 查看完整题目与答案 1molCO2和36.5gHCl气体的体积,前者与后者的关系是 A. 大于 B. 小于 C. 等于 D. 不能确定 查看完整题目与答案 有关能量的判断或表示方法正确的是( ) A. 由:H+(aq)+OH-(aq)=H2O(l)△H=-57.3kJ/mol,可知:含0.5molH2SO4的浓溶液与含1molNaOH...