当前位置:首页>复习资料>【2026版化学高考步步高大二轮专题复习讲义广东专用版专题八第42练有机合成与推断综合分析(A)

【2026版化学高考步步高大二轮专题复习讲义广东专用版专题八第42练有机合成与推断综合分析(A)

  • 2026-03-28 22:04:06
【2026版化学高考步步高大二轮专题复习讲义广东专用版专题八第42练有机合成与推断综合分析(A)

[分值:50分]

1.(15分)(2022·广东,21)基于生物质资源开发常见的化工原料,是绿色化学的重要研究方向。以化合物为原料,可合成丙烯酸、丙醇等化工产品,进而可制备聚丙烯酸丙酯类高分子材料。

(1)化合物的分子式为,其环上的取代基是(写名称)。 

(2)已知化合物也能以'的形式存在。根据'的结构特征,分析预测其可能的化学性质,参考的示例,完成下表。

序号

结构特征

可反应

的试剂

反应形成

的新结构

反应

类型

—CH==CH—

H2

—CH2—CH2

加成

反应

氧化

反应

(3)化合物能溶于水,其原因是。 

(4)化合物到化合物的反应是原子利用率100%的反应,且1 mol 与1 mol化合物a反应得到2 mol ,则化合物a为。 

(5)化合物有多种同分异构体,其中含结构的有种,核磁共振氢谱图上只有一组峰的结构简式为。 

(6)选用含二个羧基的化合物作为唯一的含氧有机原料,参考上述信息,制备高分子化合物的单体。

写出的单体的合成路线(不用注明反应条件)。 

答案 (1)C5H4O2 醛基

(2)—CHO O2 —COOH

—COOH CH3OH —COOCH3 酯化反应(或取代反应)(合理即可) (3)中羟基能与水分子形成氢键

(4)乙烯 (5)2 

(6)

解析(1)根据化合物的结构简式可知,其分子式为C5H4O2。(2)化合物'中含有—CHO,可以被氧化为—COOH化合物'中含有—COOH,可与含有羟基的物质(如甲醇)发生酯化反应生成酯。(3)化合物中含有羟基,能与水分子形成分子间氢键,使其能溶于水。(4)化合物到化合物的反应是原子利用率100%的反应,且1mol1mola反应得到2mol,则a的分子式为C2H4,为乙烯。(5)化合物的分子式为C3H6O,其同分异构体中含有,则符合条件的同分异构体有,共2种,其中核磁共振氢谱中只有一组峰的结构简式为。(6)根据化合物的结构简式可知,其单体为,其原料中的含氧有机物只有一种是含二个羧基的化合物,原料可以是发生题干的反应得到还原为,再加成得到发生酯化反应得到目标产物。

2.(9分)(2021·广东,21)天然产物具有抗疟活性,某研究小组以化合物  为原料合成及其衍生物的路线如下(部分反应条件省略,Ph表示—C6H5):

(1)化合物中含氧官能团有(写名称)。 

(2)反应的方程式可表示为++Z,化合物Z的分子式为。 

(3)化合物能发生银镜反应,其结构简式为。 

(4)反应②③④中属于还原反应的有,属于加成反应的有。 

(5)化合物的芳香族同分异构体中,同时满足如下条件的有种,写出其中任意一种的结构简式:。 

条件:a.能与 NaHCO3反应;b.最多能与2倍物质的量的NaOH反应;c.能与3倍物质的量的Na发生放出H2的反应;d.核磁共振氢谱确定分子中有6个化学环境相同的氢原子;e.不含手性碳原子(手性碳原子是指连有4个不同的原子或原子团的饱和碳原子)。

(6)根据上述信息,写出以苯酚的一种同系物及HOCH2CH2Cl为原料合成的路线:(不需注明反应条件)。 

答案 (1)(酚)羟基、醛基 (2)C18H15OP

(3) (4)②④ (5)10 

(6)

解析(1)根据有机物的结构,有机物为对羟基苯甲醛,其含氧官能团为(酚)羟基、醛基。

(2)反应的方程式可表示为++Z,根据反应中的分子式和质量守恒定律可知,反应前与反应后的原子个数相同,则反应后Z的分子式为C18H15OP

通过网盘分享的文件:word讲义【更新联系:lymsummers】等2个文件

链接: https://pan.baidu.com/s/1VcNxeHXgbJfoVMtA3SnQAg?pwd=4321 提取码: 4321 

--来自百度网盘超级会员v8的分享

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  1. CONNECT:[ UseTime:0.000682s ] mysql:host=127.0.0.1;port=3306;dbname=i_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000986s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000492s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000544s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001035s ]
  6. SELECT * FROM `set` [ RunTime:0.000405s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000974s ]
  8. SELECT * FROM `article` WHERE `id` = 462646 LIMIT 1 [ RunTime:0.000726s ]
  9. UPDATE `article` SET `lasttime` = 1774752992 WHERE `id` = 462646 [ RunTime:0.004628s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000413s ]
  11. SELECT * FROM `article` WHERE `id` < 462646 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000697s ]
  12. SELECT * FROM `article` WHERE `id` > 462646 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000750s ]
  13. SELECT * FROM `article` WHERE `id` < 462646 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001262s ]
  14. SELECT * FROM `article` WHERE `id` < 462646 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001128s ]
  15. SELECT * FROM `article` WHERE `id` < 462646 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001330s ]
0.121908s