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제122회 대한화학회 학술발표회, 총회 및 기기전시회 안내 MALDI-TOF mass spectroscopic investigation on the rearrangement of [(P-P)Pt(μ-SEtOH)2Pt(P’-P’)](ClO4)2 complexes

등록일
2018년 8월 30일 18시 43분 08초
접수번호
2159
발표코드
MAT.P-481 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 18일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Material Chemistry
저자 및
공동저자
Son Heawon, Dong Youn Noh*
Department of Chemistry, Seoul Women's University, Korea

Heteroleptic di-Pt(II) complexes formulated as [(P-P)Pt(μ-SEtOH)2Pt(P’-P’)](ClO4)2 where P-P and/or P’-P’ are dppe (1,2-bis(diphenylphosphino)ethane), dppf (1,1’- bis(diphenylphosphino)ferrocene) and P2 (bis(diphenylphosphino)dimethyltetrathiafulvalene), are prepared by combination reaction of (P-P)Pt(SEtOH)2 and (P’-P’)Pt(ClO4)2. The fragmentation and re-organization of mono-Pt(II) and di-Pt(II) complexes are investigated by MALDI-TOF MS. Consequently, it is verified that (P-P)Pt(SEtOH)2 is re-organized to the corresponding di-Pt(II) complex. Moreover, [(P-P)Pt(μ-SEtOH)2Pt(P’-P’)]2+ ions are fragmented to [(P-P)Pt(μ-SEtOH)]+ and [(P’-P’)Pt(μ-SEtOH)]+ ions, and re-organized to [(P-P)Pt(μ-S)(μ-SEtOH)Pt(P’-P’)]+, [(P-P)Pt(μ-S)(μ-SEtOH)Pt(P-P)]+, and [(P’-P’)Pt(μ-S)(μ-SEtOH)Pt(P’-P’)]+ ions. The mass peaks for these fragments are confirmed by fitting with theoretical values. The fragmentation and re-organization processes are suggested on the basis of MALDI-TOF MS results. This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (NRF2010-0011478).


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