溴水或溴/

A－B＋C―D→A―C＋B－D（原子或原子團(tuán)互換）

b)______________

A―→B

______________________________________________________ ______________________________________________________

B

________――→_______________________________________B―→______________________________

B

A

_________________________________――→_______________________________________AB_______________________________________________E_______________________________________________

A

________________(

__________________________________________

A

__________________________________________________________A

________

A

B

________

________

E

________

________( A

________________________________A B ________________________________________________________________________________________________________________________________________________________________

E

____________________________ ____________________PVC____________C____________

A―→

_____________________________________________________________________________________

______________________________

b

d

AB

F

ABEFI

B

`B

ABE

R

A

A

A

_____________

B

B

________________

A

__________________

____________________________

/

+R

/

+

A

A

A_________________

B

___________________A

________________________

_______________________________________

E

_________________________________________________

E

____________________________________

~

~

．（

Cl

加熱

加熱

R

催化劑Cl

A

A

A

A

b

B

dE

E

B

F

F

X

A

E

E

F

X

A

A

B

K

―→

I

____________________(G__________M____________________K

__________A

__________...

AlCl

_________________________________________________________________________________

A

R

A

A

A ）寫出

的鄰位異構(gòu)體分子內(nèi)脫水產(chǎn)物香豆素的結(jié)構(gòu)簡(jiǎn)

A

A

______________________________________________________________________________

A

B

_______

A

___________A

__________

B

___________

B

_____________

______

________

_________===CHA

―→

-

b

答案：（）， 答案：（

+

B

B

BE

A

(

)

(

)

,

,

），

V

,

V

Cl

,

C

,V

答案：（

分）