17.1.3 Chemical Properties17.1.3.1 Reaction with nitrous acidHNO2R-CHCOOHR-CHCOOHI+N+HO十NH2OHVonSlyke氨基测定法
17.1.3 Chemical Properties 17.1.3.1 Reaction with nitrous acid R CHCOOH NH2 + HNO2 R CHCOOH OH + N2 + H2 O Von Slyke 氨基测定法
17.1.3.2ReactionwithformaldehydeR-CHCOOHHCHO→R-CHCOOH+HC+NH2N=CH2
17.1.3.2 Reaction with formaldehyde R CHCOOH NH2 + HCHO R CHCOOH N CH2 + H2 O
17.1.3.3 Reaction with metalionsHHRRHH
17.1.3.3 Reaction with metal ions O Cu N N O O O R R H H H H
17.1.3.4 Hot decompositionCH3-OHCHH3CNH:H-NH HN-H+2H20HNHO:CHCH3CH3CR-CH-CHCOOHRCH=CHCOOH + NH3--NH2 H:
17.1.3.4 Hot decomposition CH3 CH C O H NH OH CH3 CH C O HN H HO HN NH O CH3 O H3 C 2H2 O R CH CHCOOH NH2 H RCH CHCOOH NH3
R-CHCHCHC=ORHC1---1-OHNH+HHN一00InH,N(CH2)mCOOH →H2N(CH2)mC-+NH(CH2)mCNH(CH2)mCOOHn-2
RHC HN O R CHCH2 CH2 C O NH H OH nH2N(CH2 )mCOOH H2N(CH2)mC O NH(CH2)mC O NH(CH2)mCOOH n-2