Kaupang Asmund, Görbitz Carl Henrik, Hansen Tore
Department of Chemistry, University of Oslo, PO Box 1033 Blindern, N-0315 Oslo, Norway.
Acta Crystallogr Sect E Struct Rep Online. 2010 May 8;66(Pt 6):o1299. doi: 10.1107/S1600536810016211.
The title crystal structure, C(11)H(18)N(4)O(3), is the first diazo-acetamide in which the diazo-acetyl group is attached to an N atom. The piperazine ring is in a chair form and hence the mol-ecule has an extended conformation. Both ring N atoms are bonded in an essentially planar configuration with the sum of the C-N-C angles being 359.8 (2) and 357.7 (2)°. In the crystal structure, the O atom of the diazo-acetyl group accepts two H atoms from C-H donors, thus generating chains of weak hydrogen-bonded R(2) (1)(7) rings.
标题晶体结构C(11)H(18)N(4)O(3)是首个重氮乙酰基连接到N原子上的重氮乙酰胺。哌嗪环呈椅式构象，因此分子具有伸展的构象。两个环N原子均以基本平面构型键合，C-N-C角之和为359.8 (2)°和357.7 (2)°。在晶体结构中，重氮乙酰基的O原子从C-H供体接受两个H原子，从而形成由弱氢键连接的R(2) (1)(7)环链。
