Preparation and Crystal Structure of Two Bicyclo[1.1.0]butan-2-ones: A Hybrid Oxyallyl−Cyclopropanone Motif
作者:Surbhi Bhargava、Jianjun Hou、Masood Parvez、Ted S. Sorensen
DOI:10.1021/ja043646q
日期:2005.3.1
first X-raycrystalstructures of two different bicyclo[1.1.0]butanones show a very long transannular bond of 1.69 A and a large carbonyl pyramidal distortion of 0.26 A out of the plane of the three carbons. These features are those expected of molecules with a hybrid cyclopropanone-oxyallyl structure, and these structures differ markedly from those of the parent bicyclo[1.1.0]butane skeleton.
两种不同的双环 [1.1.0] 丁酮的第一个 X 射线晶体结构显示出非常长的跨环键 1.69 A 和三个碳平面外 0.26 A 的大羰基锥体畸变。这些特征是具有杂化环丙酮-氧基烯丙基结构的分子的预期特征,并且这些结构与母体双环[1.1.0]丁烷骨架的那些结构显着不同。
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