发布时间 : 星期二 文章10_11章习题及参考答案-1更新完毕开始阅读3e0e7cdfce2f0066f5332216
(1)
(C6H5)2CHONaNaC1)CH6H5CHO65MgBrH2)H5)2CHOH(C6H5)2CHOCH(C6H5)23O+(C6
PBr3(C6H5)2CHBr
(2)
(C(CH6H5)3C-OH+Na(C6H5)3C-ONa3)2CHCH2CH2Br(C6H5)3COCH2CH2CH(CH3)2
(3)
CH2=CHCH2OH+NaCHCH2=CHCH2Br2=CHCH2ONaCH2=CHCH2OCH2CH=CH2
问题11.7 下列化合物应如何合成?
(1) (2) (3) (4)
C6H5CHCH3OCH3C6H5C(CH3)CH3CH2C(CH3)
OCH|2CH2CH3
OCH|22CH3
OCH(CH|23)2 答案: (1)
C6H5CH=CH2+CHSO4 - H2O3CH2CH2OHH2C6H5CHOCH
|2CH2CH3CH3
(2) OCH
+CH-H33OHH2SO42O
(3)
CHCH|3|3CH2SO4-H2O6H5C =CH2+CH3CH3OHC6H5-C-O-CH2CH
|3CH3
(4)
+H2SO4-H2OOHO
11.8 写出下列化合物可能的立体异构体?
OOO C6H5CHCH2 CH3CHCHCH3 C6H5CHCHCH3
答案:
(1) (2) (3)
OHHOHHOCH3HOHHOCH3C6H5CH3CH
C6H5
CH3CH3
CH3H( + )
3H( + )( + )9
问题
问题11.9 写出下列反应的产物。
O+CH3ONa(1)双分子机理(CH3)2CCHCH3
(2)双分子机理
O+OH-
H3C
(3)单分子机理
O(CH3)3CCH2HH+2O
+
(4)双分子机理
O(CH3)3CCH2+H2OOH-
(5)双分子机理
O(1) (CH3)2Cu+ Li- C2H5CHCH2(2)H3O+
(提示:(CH3)2Cu+Li-是甲基化试剂,可看作CH3-的给予体。)
(6)双分子机理
O+NaCNH2O
H2CCH2
(7)
O(1) Et2O
n-C4H9CCMgBr+H2CCH2(2)H3O+
答案:
(1) (2) (3) (4)
CH3CH2OHOH(CH3)2C-CHCH3(CHC
HOOCH3
OHOH
(CH3)3COH
3)3CH2OH(5) (6) (7)
OH|C2H5CHC2H5
HOCH2CH2CN n-C4H9CCCH2CH2OH
习题
1. 将下列化合物按其沸点升高次序排列。
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CH|2OHCHCH2OCHCH2OCH3CHCHOHCHOCH|2OH||3CHOCH|3CHOCH|2OCH3 CH|3CHOH|||32OH CH2OH CH2OH CH2OCH3
CH2OCH3
(1) (2) (3) (4) (5) 答案:(1)﹥ (2)﹥ (3)﹥(4)﹥(5)
推测下列反应的可能机理。 (1)
OCH2CH=CH2HBr OCH3
(2)
CH|3OHOC|-CH=CH2+HOBr(CH3)2CCHCH2BrCH3
(3)
O(CH3)3CO-K+H3CHCC(CH3)2CH(CH2=CH-C(CH+CH3CHC=CH3)3COH|3)2||2OHOHCH3 80%(4)
OHOHBrNaOHHBr+ClBrOH 答案: (1)
OCH2CH=CH2Claisen 重排OHH+OHCH2CH=CH2CH2CHCH3HOCH-H+O3CH3
(2)
CH|3HOHOHO-CBr-OH||-CH=CH2CHH3C3-CCH|-CH-CH23CHBr3H3CBrO- H+(CH3)2CCH2Br
(3)
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2.
OO(CH3)3COKC(CH3)2-+H3CHC位阻小,有利OCH2-CH|HCH(CH3)2OC(CH3)3+CH3CCH2-H位阻大,不利OC(CH3)3CH3CH|CH2=CHC(CH3)3+O|CH3CHC=CH2|多 少CH3O(CH3)3COH-(CH3)3COOH|CH2=CHC(CH3)280%+ (4)
OH|CH3CHC=CH2|CH320%
OHOHOHClOHClOCl-Cl-HClOOHH+(2)(1)Br-OHOH(1)Br-BrBr(2)OHBr
2.下列化合物应如何合成?
BrOH
(1) (CH3)3COC(CH3)(对酸性试剂非常敏感) (2) (CH3)2CHCOCH2OCH3 (由3-甲基-1-丁烯) (3)(由苯)
OHClCH2CH=CH2 答案:
NO2
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