Metal-Enriched [3]Trochrocenophanes: Bimetallic Metalloarenophanes by Coordination to Chelating Bis(phosphanyls)

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• 作者：Holger Braunschweig ; Michael Drisch ; Maria Friedrich ; Thomas Kupfer ; Krzysztof Radacki
• 刊名：Organometallics
• 出版年：2011
• 出版时间：October 10, 2011
• 年：2011
• 卷：30
• 期：19
• 页码：5202-5207
• 全文大小：810K
• 年卷期：v.30,no.19(October 10, 2011)
• ISSN：1520-6041

文摘

The first 1,1鈥?bis(phosphanyl)trochrocene derivatives (1鈥?b>3) have been prepared in reasonable isolated yields by salt elimination reactions of monochlorophosphines (ClPPh₂, ClPCy₂, and ClPMe₂) with [Cr(畏⁵-C₅H₄Li)(畏⁷-C₇H₆Li)]路tmeda. Subsequent treatment with group 6 hexacarbonyls resulted in the formation of the heterobimetallic [3]trochrocenophane species 4鈥?b>9, with the novel bisphosphines acting as chelating ligands. The solid-state structures of two bis(phosphanyl) derivatives and four bimetallic species have been studied by X-ray diffraction.