[ hóa 12] aminoaxit

S

suachua95

Trả lời

a) H2N-CH2CONH-CH2CONH-CH2CH2COOH
[TEX]H_2N-CH_2-CO-NH-CH_2-CO-NH-CH_2-CH_2-COOH +2 H_2O \rightarrow \ 2NH_2-CH_2-COOH + H_2N-CH_2-CH_2-COOH[/TEX]
b) H2N-CH2CONH-CH(CH3)-COOH.
[TEX]H_2N-CH_2-CO-NH-CH(CH_3)-COOH + H_2O \rightarrow \ H_2N-CH_2-COOH + H_2N-CH(CH_3)-COOH[/TEX]
c) H2N-CH2CH2CONH-CH2CH2COOH.
[TEX]H_2N-CH_2-CH_2-CO-NH-CH_2-CH_2-COOH +H_2O \rightarrow \ 2H_2N-CH_2-CH_2-COOH [/TEX]
d) H2N-CH2CH2CONH-CH2COOH
[TEX]H_2N-CH_2-CH_2-CO-NH-CH_2-COOH +H_2O \rightarrow \ H_2N-CH_2-CH_2-COOH + H_2N-CH_2-COOH [/TEX]
 
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L

luffy_95

Viết phương trình phản ứng thủy phân của các chất sau:
a) H2N-CH2CONH-CH2CONH-CH2CH2COOH

b) H2N-CH2CONH-CH(CH3)-COOH.

c) H2N-CH2CH2CONH-CH2CH2COOH.

d) H2N-CH2CH2CONH-CH2COOH

Có 2 TH

Thuỷ phân hoàn toàn

a/ \Rightarrow [TEX]2gly + NH_2(CH_2)_2COOH[/TEX]

b/ \Rightarrow [TEX]gly + ala[/TEX]

c/ \Rightarrow [TEX]2NH_2(CH_2)_2COOH[/TEX]

d/ \Rightarrow [TEX]gly + NH_2(CH_2)_2COOH[/TEX]

Thuỷ phân không hoàn toàn (tripeptit)

a/ \Rightarrow [TEX]\left{gly-gly + NH_2(CH_2)_2COOH\\ gly +NH_2CH_2CONH(CH_2)_2COOH[/TEX]
 
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