Mechanism /RCN、 R'OH R-C≡NH R-C=NH NH NH H,O NH2 R-C-OR'-R-C-OR' R-C-OR H OH NH3 R-C-OR R-C-OR+ NH3 OH OH R-C-OR'+ NH4Organic Chemistry Organic Chemistry Xiamen Xiamen University University Mechanism RCN H + R C OR' O R C NH + R C N H + R'OH R C OR' NH H + R C OR' NH 2 + H 2 O R C OR' NH 2 +OH 2 R C OR' NH 3 OH + R C OR' +OH + NH 3 + NH 4 +