a. Ag(NH3)2+(炔氢反应) b. FeCl3或Br2
c. 浓H2SO4和K2Cr2O7 (浓H2SO4能使醇脱水;K2Cr2O7能氧化醚) d. 浓H2SO4(能使醇脱水)
8.7下列化合物是否可形成分子内氢键?写出带有分子内氢健的结构式。
NO2a.NO2b.OHCH3COCH2CHCH3OHOHc.d.OOH
答案:a,b,d可以形成
Oa,Ocis -NOHOHONOtrans-d.OHOHNOOOONOb.H3COHH2COCH3OH
第二种答案:
a.ONOCH2b.CH3?COH
CHCH3OH
d.OOHO
8.8写出下列反应的历程
OH答案;
H++
OHH++OH2_H2Oa+ba+_H+_b+HH+ 8.9 写出下列反应的主要产物或反应物:
a.b.(CH3)2CHCH2CH2OHOCH3+CH2CH2OCH3+HBr
2HI
c.+Od.e.HI
CH3+NaOC2H5KMnO4OH-(CH3)2CHBr
CH3(CH2)3CHCH3OH
HIO4f. CH3COOH+CH3CH2CHO
g.HIO4CH3COCH2CH2CHO
OHh.CH3+Br2 浓H2SO4分子内脱水无水ZnCl2i.CH3(CH2)2CHCH2CH3OH
*j.答案:
OH+HCl
a.(CH3)2CHCH2CH2OH+HBr(CH3)2CHCH2CH2Br
b.OCH3+HI(过量)OH+2 CH3I
CH2CH2OCH3CH2CH2OHc.
+OCH3HI(过量)ⅠOH
d.(CH3)2CHBr+NaOC2H5e.CH3(CH2)3CHCH3OHKMnO4OH-(CH3)2CHOC2H5+CH3CH=CH2CH3(CH2)3CCH3O