HO+CH3CH2CH2CHO白色结晶3△CH3CH2CH2CHOCH3CH2COCH2CH3NaHSO3 (饱和溶液)×CH3CH2CH2COOH×2,4-二硝基苯肼CH3CH2CH2CH2OH×HO+黄色3△CH3CH2COCH2CH3×溶于水+NaOH/H2O油水分离水层HCH3CH2CH2COOH×不溶于水油层
8、(1)H3COCOCH3H(2)CH3CH=CHCOOH3CCOOCH3H2CCOCH(3)O(4)H2CH22COH3CCHCHCHCO(5)CO2 +H22OCH3
9、(1)A: H3O+ B:PCl3、PCl5(或SOCl2) C:NH3 D:P2O5,△ E:NH3 ,△ F:NaOBr + NaOH G:H2/Pd-BaSO4
(2)①C2H5MgBr②H+COOH3O,PBr3;
C2H5
(3)2NH3 ,H2NCONHCONH2
(4)OH;OHOCO CNCOOH;COO
10、
(1)CH3CH2COOHLiAlH4CH3CH2CHPBr2OH3CH3CH2CH2BrNaCNH+3O△CH3CH2CH2COOH
(2)CHCl2HO-3CH2CH2COOHPCHKMnO2CH2CH(OH)COOH4CH3CH2COOHH+△(3)CH2过氧化物CH2BrNaCNH+3OCH2COOHHBr△
(4)CH3COCH2CHHOCHCH2CH22CBr(CH3)22CH2OH干HClOOHMgCO3CCCH2CH2CBr(CH3)22H+干醚3OCH3COCH2CH2C(CH3)2COOH
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11、(1)CH2CH2COCH2CH2COO(2)COOC2H5COOC2H5(3)CH2COOHCH2COOH
COOH(4)COOHCH3CH2COCH3CH2CH2CO 12、
O(5)COCH3(6)H3CBrOCHCOHCC2H5CH3
(7)O(8)CH2COOC2H5CH2COOC2H5(9)CH3NH2(10)CN
(1) HCOOCH3 > CH3COOCH3 > CH3COOC2H5 > CH3COOCH(CH3)2 > CH3COOC(CH3)3
(2)O2NCO2CH3∨ClHCNCuCl2△CO2CH3∨CH3OH , H2OH2SO4CO2CH3∨CH3OCO2CH3
13、(1)HC≡CHCH2=CHCNCH2=CHCOOCH+3
NaCN(2)CH3CH(OH)CH3HBrH3O△CH3CH(CH3)COOHH3O+CH3CH(Br)CH3Mg干醚NaCNH3O△+CO2CH3CH(CH3)COOH
(3)C6H5CH3Cl2光C6H5CH2COOHH3O+C6H5CH2ClMg干醚+CO2C6H5CH2COOH
(4)CH3CH2CH2COOHHOBrCl2PNaCNH3O△CH3CH2CH(COOH)2
(5)CH2=CH2HOCH2CH2BrNaCNH3O△+OHCH2CH2COOH
(6)CH3OCHOHCNCH3OCH(OH)CN+H3O+O2NBr2PCH(OH)COOH
(7)CH2=CH2C2H5OHHH2O+HBrCH3CH2BrNaCNH3O△CH3CH2COOHCH3CH(Br)COOHH2OHCl
CH3CH(Br)COOC2H5Zn干醚CH3CH(ZnBr)COOC2H5CH3CH2CHOCH3CH(OH)CH(CH3)COOH
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CH3CH2COOHPCl5CH3CH2COClH2Pd/BaSO4CH3CH2CHO
OCH3(8)BrZnCH2COOC2H5OCH3H2OHClCH3COCH3[O]Zn干醚CH3CCH2COOC2H5OZnBrBr2PCH3CCH2COOC2H5OHC2H5OHH+CH3CH2OHCH3COOHBrCH2COOH△
BrCH2COOC2H5BrZnCH2COOC2H5OZnBrH2OCH2COOC2H5HClH2O(9)OBrZnCHCOOCH225OHCH2COOH
14、从氯到两个羧基的距离不同,诱导效应也不同来解释。
15、(1)CH3CO2 负离子的负电荷平均分配在两个碳原子上,而CH3CH2O 负离子的负电荷定域在一个氧原子上,所以较不稳定,与质子作用的倾向较大。 (2)CH3CH2CH2CO2 > ClCH2CH2CO2(由于Cl的诱导作用而较稳定) (3)ClCH2CH2CO2 > CH3CH(Cl)CO2 (Cl 靠近—CO2 中心而较稳定) (4)FCH2CO2 > F2CHCO2 (含有两个氟原子) (5)CH3CH2CH2CO2 > HC≡CCH 2CO2
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(HC≡C—吸电子诱导效应)
16、10×1000×(183.5/1000)=1835克,需KOH 1.835千克 17、反应式略
(A)的结构式为:HOOCCH2CH(C2H5)CH2COOH (B)的结构式为:HOOCCH2CH(C2H5) COOH
18、(A)的结构式为:CH3COOCH=CH2 (B)的结构式为:CH2=CHCOOCH3
O19、(A)H3COOCH2COOH(B)CHCOOCH25CH3(C)CH2COOC2H5CHCOOHCH3(D)CH2COOC2H5CHCOOC2H5CH3
20、(1)HCOOCH2CH2CH3 (2)CH3CH2COOCH3 (3)CH3COOCH2CH3
第十四章 β— 二羰基化合物
1、(1)2,2 -二甲基丙二酸 (2)2-乙基-3-丁酮酸乙酯 (3)2-氧代环己烷甲酸甲酯 (4)甲酰氯基乙酸 (5)3-丁酮酸(乙酰乙酸)
2、(1)环戊酮 (2)CH3COCH2CH2CH2COOH (3)CH3CH2CH2COOH 3、(1)加FeCl3/H2O CH3COCH(CH3)COOC2H5 有颜色反应. (2)加FeCl3/H2O CH3COCH2COOH有颜色反应.
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4、(1)互变异构 (2)共振异构 (3)互变异构 5、
O(1)CH3CH2CCHCOOC2H5CH3+C2H5OH(2)COCH(CH3)COOC2H5+C2H5OH
(3)H3CCHCOOC2H5COCOOC2H5CH2CH2COCH2+C2H5OH(5)OCHO+C2H5OH
(4)H2CCHCOOC2H5+C2H5OH
6、(1)CHOCHO;CHO
(2) (3)
C2H5ONa , CH3CH(Br)COOC2H5 , CH3COCH2CH(CH3)COOC2H5 HOCH2CH2OH / 干HCl , CH3COCH2C(OH)(C6H5)2
(4)NaCH(COOC2H5)2,HOOCCH(C2H5OCO)2CCH2CH2CH2COCH3,HOOCCHCH2CH2COCH3CH2CH2CH2CH(OH)CH3OCH2,C6H5CH2OCH3
7、C6H5CH2COCH2C6H5NaOCH3C6H5CHCOCH2C6H5-CH2=CHCOCH3C6H5CH2CH2CHCOCCH2CH3OC6H5C6H5NaOCH3C6H5CH2CH2CH-CCCHOC6H5OCH3CH2CH2-OCC6H5CHCCHCH3OC6H5CH3OHCH2CH2OHCHCCH3CCHOC6H5- H2O△CH2CH2C6H5CHCCH3CHCOC6H58、丙二酸酯合成:
CH3CH2OH[O]Cl2P① NaCN②H3O+2C3H5OHH+CH2(COOC2H5)2
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(1)CH3CH2OHNaBrH2SO4CH3CH2BrCH3OHNaBrH2SO4CH3BrC2H5CH(COOC2H5)2CH2(COOC2H5)2①C2H5ONa②CH3BrC2H5ONa+NaHC(COOC2H5)2C2H5BrHH2O- CO2△CH3CH2CH(CH3)COOH
(2)CH3CH2OHCH3CH2OHH△+CH2=CH2O2AgMg干醚H2COCH2H3O+NaBrH2SO4NaBrCH3CH2BrCH3CH2MgBr
CH3CH2CH2CH2OHCH2(COOC2H5)2H2SO4C2H5ONaCH3CH2CH2CH2BrCH3CH2CH2CH2BrHH2O+- CO2△+CH3CH2CH2CH2CH2COOH
(3)CH3CH2OHLiAlH4NaBrH2SO4CH3CH2BrH△+NaCNHCH3CH2CNH2OCH3CH2COOHCH3CH(Br)CH2BrCH3CH2CH2OH- H2OCH2=CHCH3Br22CH2(COOC2H5)2H+2C2H5ONa2NaCH(COOC2H5)2CH3CH(Br)CH2Br- CO2△CH2CH2COOHH3C+H2O1,2-二溴乙烷合成酮 (3).
CHCH2COOH
(4)CH3CH2OHH△- H2OCH2=CH2Br2CH2BrCH2BrCH2BrCH2Br2CH2(COOC2H5)2CH2CH(COOC2H5)2CH2CH(COOC2H5)2C2H5OCO
(5) 1,2-二溴乙烷合成同 (4).
2C2H5ONa2NaCH(COOC2H5)2CH2BrCH2Br2C2H5ONaCOOC2H5COOC2H5H+- CO2△C2H5OCOH2OHOOCCOOH
CH2(COOC2H5)29、乙酰乙酸乙酯合成:
2C2H5ONaCH2BrCH2BrCOOC2H5HCOOC2H5H2O+- CO2△COOH
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