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Title: Method of mass production of tetrakis(p-nitrophenyl)porphyrins
Authors: Cheuk, KKL 
Xin, JHZ 
Lee, PPS 
Xue, Z 
Issue Date: 2-Dec-2014
Source: US Patent 8,901,292 B2. Washington, DC: US Patent and Trademark Office, 2014. How to cite?
Abstract: A method of mass production of tetrakis(p-nitrophenyl)porphyrins, by which successful isolation of the barely soluble product from meso-aryl nitration of tetraphenylporphyrin toward a remarkable yield of nearly 90% has been realized by means of a solid phase extraction technique. This is a simpler and more straight forward synthetic method, suitable production at an industrial scale with lower cost, shorter synthetic time and lower solvent consumption. A preferred species of tetrakis(p-nitrophenyl)porphyrin produced by a subject method is: ##STR00001##
Rights: Assignee: The Hong Kong Polytechnic Univeristy.
Appears in Collections:Patent

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