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有机物的官能团结构和名称(PPT/71页)

  • 2026-04-01 07:25:00
有机物的官能团结构和名称(PPT/71页)
有机物的官能团结构和名称(PPT/71页),文章中仅展示前15页,获取完整版布谷鸟Lab公众号对话框回复:n9,获取目标资料。

21个官能团优先顺序口诀:

官能团的优先顺序:-COOH(羧基)>-SO3H(磺酸基)>-COOR(酯基)>-COX(卤基甲酰基)>-CONH2(氨基甲酰基)>-CN(氰基)>-CHO(醛基)>-CO-(羰基)>-OH(醇羟基)>-OH(酚羟基)>-SH(巯基)>-NH2(氨基)>-O-(醚基)>双键>叁键。

官能团是决定有机化合物的化学性质的原子或原子团。常见官能团烯烃、醇、酚、醚、醛、酮等。有机化学反应主要发生在官能团上,官能团对有机物的性质起决定作用,-X、-OH、-CHO、-COOH、-NO2、-SO3H、-NH2、RCO-,这些官能团就决定了有机物中的卤代烃、醇或酚、醛、羧酸、硝基化合物或亚硝酸酯、磺酸类有机物、胺类、酰胺类的化学性质。

习惯命名法又称为普通命名法,适用于结构简单的烷烃。命名方法如下:

用“正”表示直链的烷烃,根据碳原子数目命名为正某烷。碳原子数目为1~10个的用天干名称甲、乙、丙、丁、戊、己、庚、辛、壬、癸表示,碳原子数目在10个以上的,则用小写中文数字表示。

用“异”表示末端具有(CH)CH-结构的烷烃。“异”字也可用“i-”或“iso”表示。

用“新”表示末端具有(CH)C-结构的含5、6个碳原子的烷烃。“新”字也可用“neo”表示。

系统命名法:

有机化合物种类繁多,数目庞大,即使同一分子式,也有不同的同分异构体,若没有一个完整的命名方法来区分各个化合物,在文献中会造成极大的混乱,因此认真学习每一类化合物的命名是有机化学的一项重要内容。IUPAC命名法。

中国的命名法是中国化学会结合IUPAC的命名原则和中国文字特点而制订的,在1960年修订了《有机化学物质的系统命名原则》,在1980年又加以补充,出版了《有机化学命名原则》增订本。

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  1. CONNECT:[ UseTime:0.000546s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000605s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000234s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000283s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000469s ]
  6. SELECT * FROM `set` [ RunTime:0.001019s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000575s ]
  8. SELECT * FROM `article` WHERE `id` = 493958 LIMIT 1 [ RunTime:0.006070s ]
  9. UPDATE `article` SET `lasttime` = 1775625159 WHERE `id` = 493958 [ RunTime:0.013285s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000420s ]
  11. SELECT * FROM `article` WHERE `id` < 493958 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000423s ]
  12. SELECT * FROM `article` WHERE `id` > 493958 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002915s ]
  13. SELECT * FROM `article` WHERE `id` < 493958 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000602s ]
  14. SELECT * FROM `article` WHERE `id` < 493958 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000667s ]
  15. SELECT * FROM `article` WHERE `id` < 493958 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005236s ]
0.102319s