H2NCH2CH2CH2CH2CHCOO7.(1)
H2NCH2COO(2)
NH2NH3NH3(3)HOCH2CHCOOH(4) HOOCCH2CH2CHCOOH
8.合成通式
(1) 当合成亮氨酸时,其中RBr的合成:
(CH3)2CHMgBr+HCHO醚HH2O(CH3)2CHCH2OHHBr0℃(CH3)2CHCH2Br
(2)当合成异亮氨酸时,其中RBr的合成: CH3CH2CHO+CH3MgI无水醚HH2OOHCH3CH2CHCH3HBr0℃BrCH3CH2CHCH3
CH2BrHCHO,HBr(3)当合成苯丙氨酸时,其中RBr的合成:1.
ZnBr2,
14 有机含氮化合物习题参考答案
2. 3. (1)(C)使FeCl3显色;(A)溶于NaOH/H2O。(2) 对甲苯磺酰氯区别伯、仲、叔胺。(3) 酸性强弱不同区别。 4. (1) D>B>C>A (2) C>B>D>A (3) B>D>C>A (4) D>C >A > B (5) B>A>C>D (6) D>A>C> B (7) A>B>C>D
5.
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6.
NH2(1)HCl
NH3Cl+-NH3ClBr2+-NH2OH-,H2O7.
NH2(2)CH3(CH3CO)2OBrOCH3NHCCH3KMnO4, H+Br
NH2HOOCNHCCH3OH2OCOOHNHCOCH3(3)ClSO3HNHCOCH3NH3NHCOCH3H2O
NH2SO2ClCOSO2NH2CON-K+SO2NH2
(4)CH3CH2OH HBrH+COCO
(5) 氯苯进行硝化,分离出对位产物,氯化,还原,加丙酰氯。 (6) 依次与X2加成,氰解, 催化氢化。
CH3CH3CH3CH3CH3CH2BrNCH2CH3OH-,H2OCH3CH2NH2(7)BrCH3①Mg ,(C2H5)2O②CO2③H+COOH①SOCl2②NH3CONH2Br2/NaOHNH2
CH3HNO3(CH3CO)2OCH3NO2Fe, HClNH2CH3NaNO2, HCl0~5?CCH3N2+Cl-(1)CH3CuCNCNH3O+COOH8.
(5)甲苯硝化;还原成胺;与甲苯的α-卤代产物反应。(6)A.甲苯硝化;除去邻位产物;还原硝基;重氮化; B. 苯硝化;还原;与过量CH3I反应生成N,N-二甲苯胺;A的产物加B的产物。
(7)甲苯乙酰化;加HCN,催化加H2还原。(8) A. 甲苯叔丁基化;氧化甲基;制成酰氯;转变成酰胺;Hofmann
降解;重氮化。B.萘β-磺化;碱熔法成β-萘酚钠盐;酸化。A+B
CH3(A)(B)NO2NO2COOH(C)NH2CH3(D)NO2CH3NO29. (1)
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CH3CH2CH2CHNH2CH3I(过量)CH3(2)
O3Zn/H2O+-Ag2O/H2OCH3CH2CH2CHN(CH3)3ICH3CH3CH2CH2CHO+HCHO
CH3CH2CH2CH CH2NH2(3)
CH3OHCH3(C)CH3CH3CH CCH3
(A)CH3CH CHCH3(B)CH3CH CHCH3 23