Toray


Toray : (1) A large Japanese chemicals manufacturer, perhaps best known for its process for synthesizing l-lysine for use as a dietary supplement. The starting material is cyclohexene which is converted in five steps to racemic lysine. An enzymic process isolates the desired optical isomer; the other is recycled. (2) process for making terephthalic acid by oxidizing p-xylene, using a cobalt catalyst promoted by paraldehyde
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