期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 693, 期 19, 页码 3197-3200出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2008.07.013
关键词
iridium; diamine complex; 2-methoxythiophene; C-S bond cleavage of thiophene; desulfurization of thiophene
资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan [18065005]
- CREST of JST (Japan Science and Technology Agency)
- Grants-in-Aid for Scientific Research [18065005] Funding Source: KAKEN
The Ir-TMEDA complex [Ir(C2H4)(2)(TMEDA)(MeCN)][BF4] (TMEDA = Me2NCH2CH2NMe2) was treated with 2-methoxythiophene in MeCN at 70 degrees C in the presence of H2O to afford the novel dinuclear iridathiacyclohexenyl complex [Ir-2{C(OMe)CHCHCH(CMe=NH)S}(MeCONH)(TMEDA)(2)][BF4](2) in 42% yield, in which two Ir(TMEDA) fragments, one 2-methoxythiophene, and two MeCN molecules are incorporated together with one H2O molecule. The mechanism that involves the insertion of the Ir center into the thiophenic S-C(OMe) bond followed by the pi-coordination of the second Ir center to the thiametallacycle has been proposed. (C) 2008 Elsevier B.V. All rights reserved.
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