Cytec Technology Corporation

Cytec Canada Inc.

Jeffrey Charles Henry Dyck

Allan J Robertson

Yuehui Zhou

Donato Nucciarone

Boban Jakovljevic

Cyril Christian Henri Bourget

Methods of preparing compounds according to Formula (I): and salts thereof as well as their corresponding phosphine intermediates are provided herein, wherein Rand Rare different and each of Rand Ris independently selected from an organic radical that branches at the alpha carbon and an organic radical that branches at the beta carbon, and each of X and Y is independently O or S, and wherein said compound is a liquid at room temperature.

Phosphinic acids and their sulfur derivatives and methods for their preparation

The present invention provides phosphinic acids and their sulfur derivatives, in accordance with the following formula (I): wherein Rand Rare different and each of Rand Ris independently selected from an organic radical that branches at the alpha carbon and an organic radical that branches at the beta carbon, and each of X and Y is independently O or S, and wherein said compound is a liquid at room temperature. Compounds of formula (I) find utility for example as metal extractants. Also provided are methods for making compounds of formula (I) and their corresponding phosphine intermediates. 

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Niagara on the Lake, Canada

Jeffrey Charles Henry Dyck