（3）前者有还原性，后者无还原性或者前者无酸性，后者又酸性。 （4）前者有还原性，后者无还原性 （5）前者中性，后者酸性。
5、它们与过量的苯肼能生成相同结构的脎，由此可见它们的C-3,C-4,C-5具有相同的构型。
CH=NNHC6、(A)CH2CHOHCH2OH6H5CH=NNHCC=NNHC(B)CH2CHOHCH2OHCH=NNHCC=NNHC(2)HOHHHOHOHCH2OHD-甘露糖脎H6H5CH=NNHC(C)C=NNHCCHOHCH2CH2OH6H56H56H5
COOHHO(4)HOHHHHOHOHCH=NOHHOHOHHHHOHOHCH2OHD-甘露糖肟HCH3COOCH3COO(5)6H5COOH(3)HOHOHHHHOHOHCH2OHD-甘露糖酸H6H57、(1)COOHD-甘露糖二酸CH2OCHHH(7)四甲基-D-甘露糖3OCH2OCOCHOCH3OHHH3CH2OCHHH3CH3OCH3OCHOCH3OCH3OHCHOCOCHCH3OCH3O3CH3OHCHOH五乙酸-D-甘露糖酯(6)五甲基-D-甘露糖
OHO8、HOHOHHHHOHOH罗糖(A)D-太(B)HOHHHOHOHOHOHOHD-阿卓糖HHHHOOHOHOHOHOH(C)D-阿洛糖
CHOHOHHOHHOHCH2OHCOOHHOHHHCOOHHHO9、HOCH2OHHHOHOHHHOHOHCHOCHO或HOHOHHCH2OHD为CH2HHOHCHOHOCHO10、A为CHOHOHHHOHOHCH2OHCOOHHOB为HHHOHOHCOOHCCOOHHHOHOHCOOH或或HOHOC为HHOHOHCH2OH
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第十九章 氨基酸、蛋白质和核酸
NH21、(1)H2NCH2CH2CH2CH2CHCONHCHNH2(2)HOOCCH2COOHCH2OH2CH2CHCONHCHCONHCHCOOHCH2CH2COOHCH(CH3)2(3)CH3CHCONHCHCONHCHCONHCH CONHCHCOOH2NH2CH2CH2CH(CH3)2
NH22、CH3CHCOOHNH2CH3CHCHCOOHHONH2C6H5CH2CHCOOHNH2SSCH2CHCOOHCH2CHCOOHNH2H2NCH2COOH
3、(1)H3CCHCOOHNHCOCH3溶液有明显的酸性，它可溶于碱而不溶于酸(2)NHCOOCH3溶液有明显的碱性，它可溶于酸而不溶于碱
(3) （b）有明显酸性；（d）又明显碱性；余下（a）和（c）其中（c）可与HNO3作用有N2↑。
4、(1)CH3CHCOO-NH25、(1)CH3CH2CH2CHCOOHNH2(2)CH3COOH，H2NCH2COOH(3)(2)C6H5CH2CHCOOHNH3+
2CHCOOH，H2NCH2COOH，HOOCCHNH3，NH2H2NCH2CH2CH2CH2COOH
第二十章 元素有机化合物
1、 略。
2、（1）对甲基苯基锂 （2）二乙基膦 （3）碘化四乙基鏻
（4）二苯基二氯甲硅烷 （5）三正丙基铝
3、(1)NLi(2)(CH3)4Si(3)(C2H5)3SiH(4)CH3SiH2Cl(5)(C2H5)2Si(OC2H5)2
Li4、(1)+CH3CH2CH2Br(2)CH3CH2CH3+LiOH(3)CH3CH2CH3+C2H5OLi
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(4)CH3CHCH2CH2CH3OLi(6)(C2H5)2Hg；CH3CHCHOH2CH2CH3(5)CH3CH2CHCO-CH3；CH3CH2CH2COCH3+2(C2H5)2AlCl2CH(CH3)2(7)(C2H5)3Sb+AlXCH33(8)CH2=P(C6H5)3(9)(C6H5)3P=CHCH；H3CCHCHCH2CH(CH3)2；H2，PtOH5、(1)CH3CH2CH2CH2LiCO2CH3CH2CH2CH2COOLiH2OCH3CH2CH2CH2Li2CH2CH2CH3
+CH3CH2CH2CH2C(OLi)2CH2CH2CH2CH3CH3CH2CH2CH2COCHH3O+
(2)CH3CH2OHCrO吡啶HBr3CH3CH2BrCH3CHO3Mg干醚CH3CH2MgBr[O]CH3CH2CH(OH)CH3CH3CH2COCHPCl33C6H6+Br2FeBr[O]C6H5BrCH3COOHMg干醚+C6H5MgBr(C6H5)3PBr2CH3CH2OH(C6H5)3PC2H5OHH+CH3COOC2H5C2H5ONa(C6H5)3PCHCOOCPCH2CH2COCH32H5BrCH2COOC2H5CH3CH2C(CH3)=CHCOOC2H5
(3)(2)同 的方法合成C6H6(C6H5)3PAlCl+-3+CH3CH2Cl(H5C6)3PC6H5CH2CH3CH3COCH3NBSC6H5CH(Br)CHCC6H5CH3(C6H5)3P3C2H5ONaCC6H5(H3C)2CCH3(4)C2H5OH[O]SOCl2
CH3COOHCH3COClOHCH3NaBHH2O4O(C5H5)2Fe+CH3COClFeCCHFeCH3-H2OH△+CHFeCH2
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