Johnson Matthey Public Limited Company

Jacques Jean Marie Le Paih

Jonathan Alan Medlock

Antonio Zanotti-Gerosa

Hans Guenter Nedden

Alan Dyke

Andreas Seger

Damian Mark Grainger

Stephen James Roseblade

Vilvanathan Sivakumar

The present invention relates to a process for hydrogenating a substrate including a carbon-heteroatom double bond, the process including the step of reacting the substrate with hydrogen gas in the presence of a hydrogenation catalyst, wherein the hydrogenation catalyst is a complex of formula (I): R, A and Hal are as defined in the specification. The present invention also provides processes for the preparation of the complex of formula (I) and intermediates thereof.

Process for hydrogenating ketones in the presence of Ru(II) catalysts

The present invention relates to a process for hydrogenating a substrate comprising a carbon-heteroatom double bond, the process comprising the step of reacting the substrate with hydrogen gas in the presence of a hydrogenation catalyst, wherein the hydrogenation catalyst is a complex of formula (I): R, A and Hal are as defined in the specification. The present invention also provides processes for the preparation of the complex of formula (I) and intermediates thereof. 

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Cambridgeshire, United Kingdom

Jacques Jean Marie Le Paih