胺协同反应糖测试题0304

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题库预览

在进行[4+2]环加成反应时，下列哪个因素会使反应非常容易进行（）

红外光谱中，脂肪胺的特征吸收键是C-N和N-H键，C-N的伸缩振动吸收峰($$\mathrm{cm^{-1}}$$)的范围( )

1,3-丁二烯与顺-1,2-二氯乙烯进行[4+2]环加成时，得到的产物是（）

重氮甲烷作为双烯体与1,2-二氯乙烯进行[4+2]环加成反应，得到的产物结构是（）

化合物烯丙基乙烯基醚在加热条件下发生Claisen重排，得到的产物是（）

化合物正已酰胺在溴的碱溶液中，发生Hofmann重排，得到的产物是（）

下列化合物中，碱性最弱的是（）

下列4个单糖化合物中，不属于其它三个的差向异构体的是（）

2-丁胺彻底甲基化后，经氢氧化银处理得到季铵碱，加热发生消除反应得到的主要产物（）

D-葡萄糖在足量的硝酸作用下，生成的产物是( )

命名下列化合物：$$\ce{N(C_{2}H_{5})_{2}}$$

命名下列化合物：$$\ce{H_{3}C-\overset{+}{N}-CH_{2}-CH_{3}}$$

命名下列化合物：$$\ce{(Cl_{3}CH_{2}N\overset{+}{H}CH_{3})_{2}SO_{4}^{2-}}$$

写出D-赤藓糖的结构

写出α-D-吡喃核糖哈武斯式的结构

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