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纽曼式

邻交叉式丁烷的锯架式及纽曼式。

纽曼投影式(英语:Newman projection),简称纽曼式,是表示有机化合物立体结构的一种方法,由美国化学家梅尔文·斯宾塞·纽曼于1952年命名。它是沿碳-碳键的键轴的投影,以交叉的三根键表示位于前方的碳原子及其键,以被一个圆挡住的三根键表示位于后方的碳原子及其键[1]

若该碳-碳键为重叠式构象,六根键中前后两两重合,则通常把后方的键稍微偏转一个角度,以表示出来。

其他表示有机化合物结构的还有伞形式、锯架式、键线式,以及费歇尔投影式哈沃斯透视式等。

参见

参考资料

  • Newman, M. S. Record. Chem. Progr. (Kresge-Hooker Sci. Lib.) 1952, 13, 111.
  • Newman, M. S. A notation for the study of certain stereochemical problems. J. Chem. Educ. 1955, 32, 344-347.
  1. ^ 李景宁 (编). §2.3.4. 有机化学(第5版)上册. 北京: 高等教育出版社. : p30 [2016-11-26]. ISBN 978-7-04-032464-8. (原始内容存档于2019-06-02). 
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纽曼式
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