有机化学 高鸿宾 第四版 答案 第十五章_含氮

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第十五章 有机含氮化合物

(一) 写出下列化合物的构造式或命名:

(1) 仲丁胺 (2) 1,3-丙二胺 (3) 溴化四正丁铵

(4) 对氨基-N,N-二甲苯胺 (5) (CH3)2NCH2CH2OH

(6) H2NNHCH2 (7) CH2CH(CH3)3NCH3+OH

-

(8) H2NCH2CH2CH2NH2 (9) CH2CH2NH2

解:(1) CH3CH2CHCH3NH2 (2) H2NCH2CH2CH2NH2

(3) (CH3CH2CH2CH2)4N+Br- (4) H2NN(CH3)2

(5) 2-二甲氨基乙醇 (6) N-苄基对苯二胺

(7) 氢氧化三甲基(1-甲基-2-苯基乙基)铵 (8) 2-对氨甲基苯基乙胺

(9) 2-(α-萘基)乙胺

(二) 两种异构体(A)和(B),分子式都是C7H6N2O4,用发烟硝酸分别使它们硝化,得到同样产物。把(A)和(B)分别氧化得到两种酸,它们分别与碱石灰加热,得到同样产物为 C6H4N2O4,后者用Na2S还原,则得间硝基苯胺。写出(A)和(B)的构造式及各步反应式。

解:(A) CH3NO2NO2 (B) CH3NO2O2N

(三) 完成下列转变:

(1) 丙烯异丙胺 (2) 正丁醇正戊胺和正丙胺

(3) 3,5-二溴苯甲酸3,5-二溴苯甲胺 (4) 乙烯1,4-丁二胺

(5)

乙醇,异丙醇乙基异丙基胺 (6) 苯,乙醇α-乙氨基乙苯

解:(1) CH3CH=CH2CH3CHCH3BrCH3CHCH3NH2HBrNH3

(2) 制正戊胺:CH3CH2CH2CH2OHCH3CH2CH2CH2BrPBr3

CH3CH2CH2CH2CNNaCNH2NiCH3CH2CH2CH2CH2NH2

制正丙胺:CH3CH2CH2CH2OHNaCr2O7CH3CH2CH2COOHNH3 CH3CH2CH2CONH2CH3CH2CH2NH2NaOBr , OH-

(3) COOHBrBrCONH2BrBrNH2BrBrNaOBr , OH-NH3

(4) CH2=CH2Cl2CH2CH2ClClCH2CH2CNCNH2NCH2(CH2)2CH2NH2NaCN2H2NiCCl4

(5) CH3CH2OHCH3CH2BrCH3CH2NH2PBr3NH3

CH3CH2NHCH(CH3)2CH3CH2NH2H2 , Ni(CH3)2CHOH(CH3)2C=OCrO3吡啶

(6) CH3CH2OHPBr3CH3CH2BrNH3CH3CH2NH2

CHCH3NHCH2CH3CH3CH2NH2H2 , Ni+CH3CClOCCH3OAlCl3

(四) 把下列各组化合物的碱性由强到弱排列成序:

(1) (A) CH3CH2CH2NH2 (B) CH3CHCH2NH2OH (C) CH2CH2CH2NH2OH

(2 ) (A) CH3CH2CH2NH2 (B) CH3SCH2CH2NH2

(C) CH3OCH2CH2NH2 (D) NCCH2CH2NH2

(3 ) (A) NHCOCH3 (B) NHSO2CH3

(C) NHCH3 (D) NCH3

解:(1) (A)>(C)>(B) (2) (A)>(B)>(D)>(C) (3)(D) >(C) >(A) >(B)

(五) 试拟一个分离环己基甲酸、三丁胺和苯酚的方法。

解:COOHOH(1) 5%Na2CO3(2) 分液(1) 5%NaOH(2)

分液有机层水层H+COOH(n-C4H9)3N有机层水层H+OH(n-C4H9)3N

(六) 用化学方法区别下列各组化合物:

(1) (A) NH (B) NH2 (C) N(CH3)2

(2) (A) CH2CH2NH2 (B) CH2NHCH3

(C) CH2N(CH3)2 (D) 对甲基苯胺 (E) N,N-二甲苯胺 (3) (A) 硝基苯 (B) 苯胺 (C) N-甲基苯胺 (D) N,N- 二甲苯胺

解:

(1) SO2ClCH3NaOH,H2ONH

NH2N(CH3)2无反应不溶固体NSO2CH3NSO2CH3清亮溶液Na+

(2) CH2CH2NH2CH2N(CH3)2CH2NHCH3NCH3CH3NH2CH3H2OBr2xxx白色沉淀白色沉淀无变化NaOH/H2Op-CH3C6H4SO2ClNaOH/H2Op-CH3C6H4SO2Cl清亮溶液无变化清亮溶液不溶固体

(3) NO2NH2NHCH3NCH3CH35%HClxNaOH/H2Op-CH3C6H4SO2Cl无变化清亮溶液不溶固体溶解溶解溶解

(七) 试分别写出正丁胺、苯胺与下列化合物作用的反应式。

(1) 稀盐酸 (2) 稀硫酸

(3) 乙酸 (4) 稀NaOH溶液

(5) 乙酐 (6) 异丁酰氯

(7) 苯磺酰氯+KOH(水溶液) (8) 溴乙烷

(9) 过量的CH3I,然后加湿Ag2O (10) (9)的产物加强热

(11) CH3COCH3+H2+Ni

(12) HONO (即NaNO2+HCl),0℃

(13)邻苯二甲酸酐

(14)氯乙酸钠

解:1、与正丁胺的反应产物:

(1)

CH3CH2CH2CH2NH3Cl

(2) CH3CH2CH2CH2NH3 HSO4

(3) CH3COO NH3CH2CH2CH2CH3 (4) x

(5) CH3CH2CH2CH2NHCCH3O (6) CH3CH2CH2CH2NHCCH(CH3)2O (7) CH3CH2CH2CH2NSPh K+OO (8) CH3CH2CH2CH2NHC2H5

(9) CH3CH2CH2CH2N(CH3)3 OH (10) CH3CH2CH=CH2

+ N(CH3)3 + H2O

(11) CH3CH2CH2CH2NHCH(CH3)2 (12) N2 + CH3CH2CH2CH2OH

+ CH3CH2CH=CH2

(13) CNHCH2CH2CH2CH3OCOOH (14) CH3CH2CH2CH2NHCH2COONa

2、与苯胺的反应产物:

(1) PhNH3+Cl- (2) PhNH3+HSO4- (3) CH3COO- NH3Ph

(4) x (5) PhNHCCH3O

(6) PhNHCCH(CH3)2O

(7) PhNSPh K+OO (8) PhNHC2H5 (9) PhN(CH3)3 OH

(10) PhN(CH3)2 + CH3OH (11) PhNHCH(CH3)2

(12) PhN2 Cl-

(13) CONHPhCOOH (14) PhNHCH2COONa

(八)

写出下列反应的最终产物:

(1) CH2ClNaCNLiAlH4(CH3CO)2O

(2) NO2Fe, HCl 2HCHO, 2H2, NiNaNO2 , HCl

(3)

CH3(CH2)2CH=CH2HBrROORC N NaCOOH2O, HO-

(4) OHN(CH3)2 , H2 , Ni

解:(1) CH2CH2NHCOCH3 (2) NO(CH3)2N

(3) CH3(CH2)2CH2CH2NH2 (4) N(CH3)2O (九) 解释下列实验现象:

HOCH2CH2NH21mol (CH3CO)2O,K2CO31mol (CH3CO)2O,HClHOCH2CH2NHCOCH3CH3COOCH2CH2NH3ClK2CO3

解:在K2CO3存在的碱性条件下,氨基亲核性强,因此,氨基更容易被酰化。

在HCl存在的酸性条件下,氨基形成-NH3+Cl-,无亲核性,此时羟基更容易被酰化。

用K2CO3处理后,游离的氨基具有亲核性,可发生如下反应:

CH3COOCH2CH2NH3ClK2CO3CH3COCH2CH2NH2OONH2CH3-O

- H+ONHCH3-OCH3CNHCH2CH2O-OCH3CNHCH2CH2OHO H+

(十) 由指定原料合成下列化合物(其它试剂任选)。

(1) 由3-甲基丁醇分别制备:(CH3)CHCH2CH2NH2,(CH3)2CHCH2CH2CH2NH2和(CH3)2CHCH2NH2

(2) 由苯合成CCH2NH2OHCH3 和 NNHNCH3

(3)

由CH3CH2NH2和1,5-二溴戊烷合成 NCH2CH3O

解: (1) CH3CHCH2CH2BrCH3(CH3)2CHCH2CH2NH2NH3CH3CHCH2CH2OHCH3PBr3

(TM)

NaCN(CH3)2CH(CH2)2CNCH3CHCH2CH2BrCH3(CH3)2CH(CH2)2CH2NH2H2/Ni

(TM)

CH3CHCH2CH2OHCH3CH3CHCH2COOHCH3Na2Cr2O7H2SO4NH3(CH3)2CHCH2CONH2

(CH3)2CHCH2NH2NaOBr , OH- (TM)

(2) CCH3OCCH3OHCNCCH2NH2OHCH3CH3COClAlCl3HCNH2Ni (TM)

NO2NH2N2 Cl-HNO3H2SO4FeHClNaNO2+HCl0~5 Co NNNCH3CH3NHC6H5NaOAc,0~5 Co (TM)

(3) CH3CH2NH2NC2H5NC2H5-OBr(CH2)5BrH2O2(TM)

(十一) 由苯、甲苯或萘合成下列化合物(其它试剂任选)。

(1)NH2CH2NH2BrBr

(2)CH3CH2OCH2COO

(3)BrBrCH2COOH (4)CH3CO

(5)CH3CH2NNOH