AA. 1.D/n: Acid huu co Alifatic
2.Tinh chat hoa hoc:
1.Phan ung cua goc amin:day NH2 ra khoi aa bang 4 pu
a.Khu tao acid no va NH3
b.Oxihoa tao xeto acid va NH3
.Pu hop nuoc: tao oxi acid va NH3
d.Pu noi fan tu(fan huy) tao acid chua no va NH3
2.Tac dung voi acid nito HNO2 tao oxiacid,N2 va nuoc
3.Tac dung voi formal dehyt du:Khoa goc amin de dinh luong cacboxyl
4.Phan ung cua goc COOH:
a.Day CO2 tao amin tuong ung
b.T/d NH3 de tao amit tuong ung
c.T/d ho chat cao nang de hoat hoa aa trc khi di vao qt sinh tong hop pr.
5.COOH nay ket hop NH2 kia tao lk peptid,Pr
6.COOH ket hop OH tao hop chat este:mui,mau
7.Pu cua goac R:
a.Pu mau chung:td Ninhidrin tao Indadion 2N2'Indaon co mau ti do hoac xanh tham(Trixetonin hidrin cong aa ra:Dixetohidrin+NH3+RCHO+nuoc)sau doDixeto td tiep voi NH3 sinh ra de tao Indadion2N2'Indaon
b.Pu voi 2,4 Dintrofluo bezen(pu Sarger) tao hop chat mau vang
c.Pu mau rieng:Pu xantho cho phenylalanine,tyrozin,triptophan) tao hop chat mau da com;Pu Melin:cho tyrozinh (td HgNO3) cho hop chat mau do gach.