Back to results
US 6,548,678 B1Granted
Method for producing 5-phenoxycarbonylbenzotriazole
AssigneeSumitomo Chemical Company, Limited
InventorsKeiko Yamamoto, Takashi Kamikawa
Life of this patent
Estimating the term…
Abstract
Disclosed is a method for producing 5-phenoxycarbonylbenzotriazole (I): by reacting 1H-benzotriazole-5-carboxylic acid (II): with diphenyl carbonate (III):
Claims9
A method for producing 5-phenoxycarbonylbenzotriazole, comprising reacting 1H-benzotriazole-5-carboxylic acid with diphenyl carbonate.
Dependencies are inferred from the claim text.