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羰基

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羰基
羰基

tāng[注 1](英语:carbonyl group)在有机化学中,是一个形如 C=O 的官能团,是羧酸、羧酸衍生物等官能团的组成部分。

羰基中由于电负性差异,其中的碳原子上带有部分正电荷,氧原子上则带有部分负电荷。因此,羰基碳易受亲核试剂侵蚀,一定条件下能够发生亲核加成反应

此外在配位化学中,一氧化碳配体也被称为羰基。

羰基化合物

拥有羰基的数种化合物:

化合物 羧酸 酰胺
结构
Aldehyde
Ketone
Carboxylic acid
Ester
Amide
通式 RCHO RCOR' RCOOH RCOOR' RCONR'R''
化合物 烯酮 酰卤 酸酐 酰亚胺
结构
Enone
Acyl chloride
Acid anhydride
Imide
通式 RC(O)C(R')CR''R''' RCOX (RCO)2O RC(O)N(R')C(O)R''

备注

  1. ^ “羰”字为新造字,字形上由“”的下半部和“”的右半部组合而成;台湾方面,根据国立编译馆化学命名原则(第四版)最新版,读音亦为新造,采“碳”之声母与“氧”之韵母,读音作tāng,避免与“碳”同音。[1]

参考资料

延伸阅读

  • L.G. Wade, Jr. Organic Chemistry, 5th ed. Prentice Hall, 2002. ISBN 0-13-033832-X
  • The Frostburg State University Chemistry Department. Organic Chemistry Help页面存档备份,存于互联网档案馆) (2000).
  • Advanced Chemistry Development, Inc. IUPAC Nomenclature of Organic Chemistry页面存档备份,存于互联网档案馆) (1997).
  • William Reusch. tara VirtualText of Organic Chemistry (2004).
  • Purdue Chemistry Department [1]页面存档备份,存于互联网档案馆) (retrieved Sep 2006). Includes water solubility data.
  • William Reusch. (2004) Aldehydes and Ketones Retrieved 23 May 2005.
  • ILPI. (2005) The MSDS Hyperglossary- Anhydride.

参见

外部链接

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羰基
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