- Tir n/du tifdng tfng: ,•^
Bai 5 Ar):^ rf'^r
a) Viét cac dong phan cua pentan ma khi cong nifdc cho ancol bac 3. G o i t6n cac dong phan dọ Dong phan nao la dan xuat cua benzen CyH,,, k h i cpng ni/dc cho
ra ancol bac 2, bac 3 ? o . . 1 * •
b) Hay neu nguycn tac chung de chuyen ancol bSc 1 thanh bac 2, bac 2 thanh bac 3. Cho v i du ?
a) Dong phan pentan + H2O - > ancol bac 3 : I
C H 3 - < : H 2 - C < : H 2 CH3-CH=C-CH3 ^'"^'^"^
ii 2-metylbut-l-en 2-metylbut-2-en
* CyH,,, + H2O ->• ancol bac 2. bac 3 : "' * " ^
0 - C H = C H - C H 3 0 - C H , - C H = C H , | g | - C= C H 2 " '
CH3 ..,.„• ^'r CH3 ,„
* j^ C H = C H a :,^,y {Olruru W^.'^^'^l' O ^^'^^'^'^J'
..,.1,.,^.. ịv-Ji-CH=CH2 t • , ,, „
b) NguySn t^c : KhiJ nirdc ancol cd bac thap (H2SO4 dac, 170"C) lay san pham tao thanh dem cpng nuPdc trot l a i (H*. xuc tac). ^ ; > - , 4 , j ^ . L
V i d u : ' ' * Blic 1 chuyen thanh bale 2 :
WtMAWiX
CH3-CH2-CH2- O H "^^°<^-*°> CH3-CH=CH2 - g g ^ CH3- C H-CH3
* B$c 2 chuyen th^nh b$c 3 : ' M i H;;) J ^ : . - ^ ' w r t f - A .
smfiq ''liSv. SS'iV- f . i ' , O H
C H 3- C H - C H- C H 3 CH3-C==CH-CH3 - g^ C H 3- C- C H 2- C H 3
O H O H CH3 CH3
Bdi 4. V i e t cong thiJc cau tao va goi ten cac chat la d i n xuaft ciia benzen cd CTPT
C7H8Ọ
Gidi OH
OH l- H " ) • ,X, OH X • . •
o-metylphenol m - m e t y l p h e n o l , , . . p-metylphenol ,
CH2OH O-CH3
ancol benzylic metylphenyl ete
Bai 5. -Ar):^. rf'^r
a) V i e t phi/dng trlnh hoa hoc cua phan iJng thuy phan cac chat sau trong dung dich N a O H : ' í".'V.,;' ; ; /'S'"--.-^ N a O H : ' í".'V.,;' ; ; /'S'"--.-^
1,2-dicloetan; benzylclorua; anlyl bromua; xiclohexylcloruạ
b) V i e t phifdng trinh hda hoc cua phan uTng giffa etylbromua v d i dung dich NaOH, dun ndng, dung dich N a O H + C2H5OH dun ndng.
Gidi ; , (adsbygoogle = window.adsbygoogle || []).push({});
a) CH2-CH2 + 2 N a O H C H 2 - C H 2 + 2NaCl ; f OO * ;
CI C I O H O H
1.2-dicloetan W'j.:k!iiiị. (r. :xẶoi} \i •
t Q ) " ' + N a O H (gr'^"^''" ^ N a C l - o . . ! . benzylclorua .. «' • - 1 > .'j;h,>'i;j-í; CH2=CH-CH2Br + NaOH CH2= C H-CH20H + NaBr " ' anlylclorua Q-Cl ^ N a O H Q-O" + NaCl xiclohexylclorua < - ' b) K h i cho etylbromua tdc dung v d i dung dich NaOH, dun ndng
CH3-CH2- B r + N a O H CH3-CH2- O H + NaBr ^ ' : i\
Phan d j n g va phuong ph^p giai H6a hpc 11 HOu u Xuan Hang
K h i cho etylbromua tac dung vdi dung dich N a O H + C 2 H 5 O H dun ndng C H j - C H z - B r + N a O H ^ ^ ^ f " > CH2=CH2 + N a B r + H2Ọ
B a i 6. V i e t cong thiJc cau tao cua c&c chat huTu c d X i , X2. X 3 , X 4 , X 5 , X e vi6't phufdng trlnh h 6 a hoc cua c a c phan iJng (ghi dieu k i ^ n phan iJng, n e u c 6 ) de
hohn thanh sd do chuyen h6a sau : ., ...n;: ,,,..h/J:j^:.:.;ị.':L... ,, |:>.. i l > H i
CH4 X , X2 H C H O I (4), Y ( 5 ) , Y ( 6 ) , Y ( 7 ) , y I (4), Y ( 5 ) , Y ( 6 ) , Y ( 7 ) , y ; TUD b::,' * -^3 > X 4 > A 5 > ( 8 ) . (TrichTSDH.khoiA) T h e o s d d o : X , i C H j C l X 4 : 0 Gidi X 2 : C H 3 O H X 5 : o (1) CH4 + CI2 C H 3 C I + H C l (2) C H 3 C I + N a O H C H 3 O H + N a C l (3) C H 3 O H + C u O H C H O + C u + H2O (4) 2CH4 „ ^. • > C H = C H + 3H2 ^ ' * lAm l^nh nhanh ^ ( 5 f ' B C H ^ C H - ^ ^ ^ ( Q ) ' ' (6) (0) + CI2 < g> - C l + H C l DNa X 3: C H ^ C H )Na , b 0 >H fn jd I, I f i (7) - ^ +2NaOHdj,.d^ (Q) + N a C l + H2O it '/.n.L .',f''-. nwfc (8) g j j + C O 2 + H 2 O -— > ( g ] + N a H C 0 3 i^'sylt ^ J j Bai 7.
a) Hoan th^nh cac phi/dng trinh hoa hoc cua cac phan iJng saụ V e ro v6ng benzen. o- B r C 6 H 4 C H 2 B r + N a O H j j >; m - H O C H 2 C 6 H 4 0 H + N a O H j j > o- B r C 6 H 4 C H 2 B r + N a O H j j >; m - H O C H 2 C 6 H 4 0 H + N a O H j j > P- H O C H 2 C 6 H 4 O H + H B r > ; P-CH3C6H4OH + Br2 (jj, > ---^ b) H a y viet cac phi/dng tnnh h6a hoc cua phSn iJng de thifc hien cac chuyen h6a sau * C H j C H z C H j B r thanh C H j C H B r C H j IQ^.,,, J^,H::1....H;;>«.HD * ( C H 3) 2 C H C H 2 C H 2 0 H thanh (CH3)2C(OH)CH2CH3. ^ 3,„ob;v}fta
:H2Br • r^.Jr.^. • r. HOeH-*'^'*-.i>f 1
-Br
+ NaOHdj
i j O H
+ N a B r Urí : "H2OH ' "^Hr''!:^^ CH2OH •''.TiJb'Ọiir! ;u;fff!c;n?lf:^^^
O- O H + N a O H d j - ^ O- O N a ' ' ; ^ j f l - j j O n H D 188 Q] + ^ : ;^ ; . .. O H , ,,, - B r + 2 H B r -•'^•''•r• b)* C H 3- C H 2 - C H 2 B r + K O H ^ ^ " f " > C H 3- C H= C H 2 + K B r + H2O C H 3 - C H= C H 2 + H B r > C H 3- C H- C H 3 • i B r . ^-v+' f/'w • * ( C H 3) 2 C H C H 2 C H 2 0 H- M i i ^ ( C H 3)2CHCH=CH2 + H2O
( C H 3) 2 C H- C H= C H 2 + H2O ( C H 3) 2- C H - C H - C H 3 , u^: + IQ]
O H
C H 3- C H — C H- C H 3 J L i S ^ i l ^ C H 3- C = C H- C H 3 + H 2 O '
C H 3 O H C H 3 I ,
ív'^'ri^''! I : «;!!!•> f H i r a k ? ySuli ;KÍ;6:J dfsU; '
C H 3- C = C H- C H 3 + H 2 O - V C H 3- C- C H 2 - C H 3 . . , / r r ,
b) C H 3- C H- C H 2 - C H 2- O H < C H 3 ;,v:
d) C H 3 - C H 2 - C H 23 2 2 I I- C H - C H 3 - C H 3 O H C H 3