New way producing oldest chemical compounds

New way for producing oldest chemical compounds

4:57 AM, 2nd November 2015
New way for producing oldest chemical compounds
Sultones are useful chemical backbones in antiviral agents used to combat the HIV, herpes and chicken pox viruses.

LONDON, UK: A chemistry PhD student has found a simple way for the first time, producing two chemical compounds that were first discovered in late 19th century, entirely by accident. The discovery could have implications for fighting disease and growing crops, where the sulphur containing compounds called sultones and sultines, play a significant role.

Sultines are pungent molecules naturally found in everything from sweet French wines and passion fruit to cat urine. Sultones, on the other hand, are useful chemical backbones in antiviral agents used to combat the HIV, herpes and chicken pox viruses.

“My PhD has important implications as part of an emerging trend in medicinal chemistry for tailoring the 3D structures of molecules to produce libraries of new and interesting products,” explained Geoffrey Smith, School of Biological and Chemical Sciences.

Dr Smith, who recently passed his PhD, was initially looking at making small rings made entirely of carbon and hydrogen, which can be used to make drugs.

During his investigations, he and supervisor Dr Christopher Bray also from the School of Biological and Chemical Sciences realised they were making these entirely different sulphur compounds. When conventional techniques struggled to reliably identify the new molecules, the team turned to computational modelling, which was provided by Syngenta, one of the sponsors of the project.

“It usually takes between five to seven steps to produce sultones and sultines. This research project cuts that process right down to one to two steps, and it produces the compounds in almost 100 per cent yield,” said Bray.

The work is published in leading journal Angewandte Chemie.

The project was supported by agrochemical company, Syngenta and Engineering and Physical Sciences Research Council (EPSRC).

© Queen Mary University of London News

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