A Simple Procedure to Ditertiary Phosphinocarboxylic Acids and Their Bisphosphine Oxides

Mark R J Elsegood,Thomas A Noble,Salem Talib,Martin B Smith

PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS（2013）

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摘要

A simple two-step route to a series of carboxylic acid functionalized ditertiary phosphine oxides is described, including the X-ray crystal structures of three representative examples namely {Ph2P(O)CH2}(2)N(CH2)(n)CO2H (n = 35). Strong intermolecular OHO H-bonding is observed in all cases leading to distinct packing arrangements.

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关键词

Tertiary phosphine oxides,ligands,hydrogen bonding,NMR spectroscopy,X-ray crystallography

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