第十一章醛和酮习题答案(最新版 ) 1. 用系统命名法命名下列醛、酮。COCH 3CH 2CH(CH 3)2(1)(2)CH 3CH 2CHCH 2CHCH 3C2H5CHOH3CHHCH 2CH 2CHO(3)CCH3COHCH 3H3C(4)CHOOHOCH3(5)COCH 3OCH 3(6)CH 3HCHOH(7)HCOCH 3CH 3Br(8)OHCCH 2CHCH 2CHOCHO(9)O(10)解:( 1) 2- 甲基 -3- 戊酮(2)4- 甲基 -2- 乙基己醛(3)反 -4 己烯醛(4)Z-3- 甲基 -2 庚烯 -5- 炔-4-酮(5)3- 甲氧基 -4- 羟基苯甲醛(6)对甲氧基苯乙酮(7)反 -2- 甲基环己基甲醛( 8) 3R-3- 溴-2- 丁酮(9)3- 甲酰基戊二醛(10)螺 [] 癸-8- 酮2. 比较下列羰基化合物与HCN加成时的平衡常数K值大小。(1)Ph2CO (2)PhCOCH3 (3)Cl 3CHO (4)ClCH2CHO(5)PhCHO(6)CH3CHO解: (1)<(2)<(5)<(6)<(4)<(3)原因 : HCN对羰基加成是亲核加成,能降低羰基碳原子上电子云密度的结构因素将会使K值增大,故K值顺序是:(6)<(4)<(3),而羰基碳原子的空间位阻愈小,则K值增大,故K 值的顺序是:(1)<(2)<(5)<(6) ,综合考虑:则K值顺序是 :(1)<(2)<(5)<(6)<(4)<(3)。6. 完成下列反应式(对于有2 种产物的请标明主次产物)。CHO+H2N(1)HCCH+2CH 2O(2)ONH+(3)对甲苯磺酸苯 , 加热O+(4)NH 2OHOHCN/OH -?H2O/H+?(5)O(CH3)2CuLiPhLiH2OH2O(6)① PhMgBr① C2H5MgBr② H2O② H2OPhO(7)OCH3O+EtO-(8)OO+CHOEtO-(9)CH 3CCH 2BrO(10)HOCH2CH2OHHCl(干)OCH3+ H 2Pd/C(11)OCH 3H3CH3C(12)NaBH 4(CH3)2CHOHH3O+O(13)LiBH(sec-Bu) 3H3O+MgH3O+PhO苯(14)H 2O , HOAcO(15)+ Br 2加 热PhPhO(16)+H2CPPh3PhCHO + HCHO(17)OH-O+ CH 3CO3HCH3CO2Et40 ℃(18)解:CHO+H2N(1)CHNHCCH+2CH 2O(2)CCCH 2OHHOCH 2ONH+(3)N对甲苯磺酸苯 , 加热O+(4)NH 2OHNOHOHCN/OH -H 2O/H +(5)OHCNOHCOOHO(CH 3)2CuLiPhLiH2OH2O(6)OCH3HOPh(主)(主)① PhMgBr① C2H5MgBr② H2O② H 2OPhO(7)PhPhOC2H 5PhOH(主)(主)OCH3O+EtO-(8)OOOO+CHOEtO-(9)OOCHOCH 3CCH 2BrO(10)HOCH 2CH2OHHCl( 干)COOCH 2BrH3COCH3+ H2Pd/C(11)OCH3OCH 3H3CH3C(12)NaBH 4(CH 3) 2CHOHH3O+CH 3H3CH3CHOHO(13)LiBH(sec-Bu) 3H 3O+OHHMgH3O+PhO苯(14)CPhPhCH 3CCH 3OH2O , HOAcO(15)+ Br 2加 热OBrPhPhO(16)+H2CPPh3PhPhCH 2PhCHO + HCHO(17)OH-PhCH2OH + HCOONaO+ CH 3CO3HCH3CO2Et40 ℃(18)OO7. 鉴别下列化合物:(1)CH 3C...