期刊
ORGANOMETALLICS
卷 30, 期 2, 页码 199-203出版社
AMER CHEMICAL SOC
DOI: 10.1021/om100633f
关键词
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资金
- University of Southern Mississippi
- NSF Material Science Research and Engineering Center (MRSEC) [DMR-0213883]
- Trent Lott National Center
- [MRI-0618148]
The new hexacoordinate catalysts (PCy3)(DMAP)(2-) Cl2Ru=CH(p-C6H4)CH2NMe2 (7) and (PCy3)(DMAP)(2-)Cl2Ru=CH(p-C6H4)N(CH3)(2) (8) have been synthesized via exchange of a PCy3 ligand for two DMAP ligands from their (PCy3)(2)Ru precursors 4 and 5 in a one-step reaction in high yield. The catalysts promoted controlled ROMP of two cationic exo-7-oxanorbornene derivatives under homogeneous conditions in various acidic protic media, including acidic aqueous media. Very low polydispersities were accomplished in TFE/0.1 M HClaq. (1:1 v/v) with PDIs as low as 1.05.
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