1) NH₂-CH₂-COOH+ C₂H₅OH--> NH₂-CH₂-CO-O-C₂H₅+ H₂O
2) 2NH₂-CH₂-COOH+ Ca(OH)₂---> (NH₂-CH₂-COO)₂Ca+ 2H₂O
3) H₂N-CH₂-COOH+ HCl--> ClH₃N--CH₂-COOH
1) NH₂-CH₂-COOH+ C₂H₅OH--> NH₂-CH₂-CO-O-C₂H₅+ H₂O
2) 2NH₂-CH₂-COOH+ Ca(OH)₂---> (NH₂-CH₂-COO)₂Ca+ 2H₂O
3) H₂N-CH₂-COOH+ HCl--> ClH₃N--CH₂-COOH