C2H2BR4  (1) C2H2 (2) CH3CHO (3) CH3COOH (4) CH3COOH = CH2...

Bài 8: C

2

H

2

Br

4

 

⁽¹⁾

C

2

H

2

 

⁽²⁾

CH

3

CHO

 

⁽³⁾

CH

3

COOH

 

⁽⁴⁾

CH

3

COOH = CH

2

↓

(5

C H CH   

2



 CH OCO

3

_n

Hướng dẫn:

(1) C

2

H

2

Br

4

+ 2Zn

 

^t

⁰

C

2

H

2

+ 2ZnBr

2

(2) HC ≡ CH + H

2

O

    

^{Hg O}

^S

⁴

^{, 80}

⁰

^C



CH

3

CHO

(3) 2CH

3

CHO + O

2

Mn

2

^

  

CH

3

COOH

(4) CH

3

COOH + HC ≡ CH  CH

3

COOCH = CH

2

0

,

(5) nCH

3

COOCH = CH

2

 

t p

