Coordination complexes derived from 3,6-di(2-pyridyl)-1,4-dihydro-1,2,4,5-tetrazine (DPDHT). Synthesis and molecular structure of [(DPT)(GaMe2)2]

被引:4
作者
Preston, PN [1 ]
Rettig, SJ
Storr, A
Trotter, J
机构
[1] Heriot Watt Univ, Dept Chem, Edinburgh EH14 4AS, Midlothian, Scotland
[2] Univ British Columbia, Dept Chem, Vancouver, BC V6T 1Z1, Canada
关键词
methylgallium; crystal structure; dipyridyldihydrotetrazine;
D O I
10.1139/cjc-76-12-1800
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The facile reaction of 3,6-di(2-pyridyl)-1,4-dihydro-1,2,4,5-tetrazine (DPDHT) (1) with trimethylgallium has resulted in the formation of the purple crystalline product, [(DPT)(GaMe2)(2)] (2), via methane elimination. Crystals of [(DPT)(GaMe2)(2)] are orthorhombic, Pbca, a = 15.380(2), b = 21.642(4), c = 11.355(2) Angstrom, Z = 8. The structure was solved by heavy-atom Patterson methods and refined by full-matrix least-squares procedures to R = 0.035 for 1570 reflections with I greater than or equal to 3 sigma(I) (R-w = 0.063 for all 4342 reflections). The [(DPT)(GaMe2)(2)] molecule is roughly planar (apart from the four methyl groups), in contrast to the folded structure of the DPDHT molecule; molecular dimensions are normal.
引用
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页码:1800 / 1804
页数:5
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