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|
| Type |
Poster Presentation |
| Area |
Inorganic Chemistry |
| Room No. |
Event Hall |
| Time |
4월 19일 (목요일) 11:00~12:30 |
| Code |
INOR.P-137 |
| Subject |
Coumaraz-2-on-4-ylidene (CONY): The Ambiphilic N-heterocyclic Carbene with Electronically Controllable Structures |
| Authors |
Hyunho Kim, Eunsung Lee1,*
Pohang University of Science and Technology, Korea
1Department of Chemistry, Pohang University of Science and Technology, Korea
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| Abstract |
Recently, N-heterocyclic carbenes (NHCs) are used for many fields, such as activation of small molecules and stabilization of main-group elements. Furthermore, ligands for transition metal complexes which are electron-rich are attract tools in ognanic and inogranic chemistry. Especially, the property that people have attention as ligands is σ-donor ability, which is most powerful among various ligands. So, the σ-donor properties of NHCs are unveiled so much, but the π-accepting properties of NHCs are not studied well. To unveil the π-accepting properties of NHCs, we have synthesized new ambiphilic NHC, called Coumaraz-2-on-4-ylidene (CONY). This ambiphilic NHC still has strong σ-donor ability and also π-accepting ability. In addition, the various kinds of precursors which have diverse electronic property were synthesized by simple two steps. The synthesis of their rhodium complexes and the specific reactivity of the NHCs were identified. Furthermore, CONY show the lowest LUMO energy level compared with other NHCs which was confirmed by the 77Se chemical shift of the selenium adducts. |
| E-mail |
gusgh2929@postech.ac.kr |
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121st General Meeting of the KCS