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http://hdl.handle.net/10397/68472
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. | 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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