17.1.3.5 Reaction withNinhydrinO0-H3to RCH + CO2RCHCOO机+NH;*紫红色
17.1.3.5 Reaction with Ninhydrin RCHCOO - NH3 + O O 2 O + -H3 + O O O N O - O + RCH O + CO2 紫红色
17.1.4Preparation of α-amino acid inlaboratory17.1.4.1Ammonolysis ofα-halo carboxylic acid1. X2, PNH3(过量)RCHCOORCH,COOHRCHCOOH2. H,0XNH3
17.1.4 Preparation of -amino acid in laboratory 17.1.4.1 Ammonolysis of -halo carboxylic acid RCH2 COOH 1. X2 , P 2. H2 O RCHCOOH X NH3 (过量) RCHCOO - NH3 +
17.1.4.2Gabriel synthesisK+ CICH,COOC,HsN-CH2COOC2HO97%COOH1. KOH/HOH3NCHCOO'+ CH5OH2. HCICOOH85%Glycine
17.1.4.2 Gabriel synthesis N - K + O O + ClCH2COOC2H5 N O O CH2COOC2H5 97% 1. KOH/H2O 2. HCl H3 + NCH2COO - + COOH COOH + C2H5OH 85% Glycine