Question

R-CHOH-CN怎么变成CH3-CHOH-COOH?

Answer 1

CH3CN + H+ +H2O=加热==CH3COOH + NH4+

CH2=CH-COCN+ H+ +H2O=加热== CH2=CH-COOH +NH4+ (工业制备丙烯酸)

CH2=C(CH3)-COCN+ H+ +H2O=加热==CH2=C(CH3)-COOH +NH4+ (工业制备甲基丙烯酸)

甚至氢氰酸也可水解

HCN +H+ +H2O=加热==HCOOH + NH4+