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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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