Smithkline Beecham Corporation

Gillian Turner

David Bell

David Drysdale Miller

Robin Patrick Attrill

Frances Finney

Michael Fedouloff

This invention relates to the catalyst (III) and intermediates for its preparation in which M is a transition metal ion; A is a counter-ion if required; B, B&prime;, and E and E&prime; are independently selected from the group consisting of hydrogen aryl, C,alkyl, silyl or aryl-C,alkyl in which any aryl or alkyl moiety is optionally substituted or B&prime; and B or E&prime; and E together form a C,polymethylene link; with the proviso that only one of the carbons marked with an asterisk if a chiral center; R,, R,, R,, R,, R,, R,, R,, R,, R,and R,are independently hydrogen, alkyl or alkoxy

Process for expoxidizing prochiral olefins and a catalyst therefor and intermediates for making the catalyst

A process for preparing compounds of formula (B) wherein:

Process for preparing epoxides

Process for epoxidising prochiral olefins and a catalyst therefor and

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Harlow, United Kingdom

Gillian Turner