unsym meaning in English
不对称的
Examples
- Syntheses of ? ? diimine and 2 - aminopyridine transiting metal complexes bearing 2 , 6 - unsym - substituents on the aryl , and investigation on the steric and electronic effects of the unsym - subatituents on the catalytic property
以2 , 6位不同基团取代的苯胺与相应的二酮反应合成系列的? ?二亚胺和吡啶胺基过渡金属配合物。主要考察芳环2 , 6位基团立体位阻对催化性能的影响，同时也考虑基团的推拉电子效应。