Condensation Reactions of Chlorophosphanes with Chalcogenides

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• 作者：Sivathmeehan Yogendra ; Saurabh S. Chitnis ; Felix Hennersdorf ; Michael Bodensteiner ; Roland Fischer ; Neil Burford ; Jan J. Weigand
• 刊名：Inorganic Chemistry
• 出版年：2016
• 出版时间：February 15, 2016
• 年：2016
• 卷：55
• 期：4
• 页码：1854-1860
• 全文大小：514K
• ISSN：1520-510X

文摘

A high-yielding and facile synthesis for diphosphane monochalcogenides (1_Ch^(R)) and their constitutional isomers, diphosphanylchalcoganes (2_Ch^(R)), was developed, featuring a condensation reaction between chlorophosphanes (R₂PCl) and sodium chalcogenides (Na₂Ch, Ch = S, Se, (Te)). The optimized protocol selectively yields either 1_Ch^(R) (R₂(Ch)PPR₂) or 2_Ch^(R) (Ch(PR₂)₂) depending upon the steric demand of the substituents R. Reaction pathways consistent with the distinct reaction outcomes are proposed. The application of 1_Ch^(R) and 2_Ch^(R) as an interesting class of ligands is exemplarily demonstrated by the preparation of selected transition metal complexes.