Birch, Stewart, Kolasch & Birch, LLP
Process for producing aromatic hydroxycarboxylic acid derivatives
 A methyl group-containing aromatic compound having a phenolic hydroxyl group protected by a protecting group, is oxidized with oxygen to provide an aromatic hydroxycarboxylic acid derivative. The protecting group includes, for example, an acyl group. 
Daicel Chemical Industries, Ltd.
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Tatsuya Yasutaka
Nakano Ishii