Shell Research Limited

Barry William Southward

Graham John Hutchings

Lance Svend Fuller

Richard William Joyner

Russel Andrew Stewart

A method of preparing a thiophene comprises reacting an organic compound containing a chain of at least 4 C atoms linked by single or double bonds with a source of sulphur in the vapor phase, in the presence of a supported catalyst, the catalyst having the composition

Thiophene synthesis

A method of preparing a thiophene comprises reacting an organic compound containing a chain of at least 4 C atoms linked by single or double bonds with a source of sulphur in the vapour phase, in the presence of a jarosite-type catalyst, having the composition

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Widnes, United Kingdom

Barry William Southward