Photodecomposition of azobenzenes
| Autor: | Zeki Y. Al-Saigh, Ahlam M. J. Ali |
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| Rok vydání: | 2007 |
| Předmět: | |
| Zdroj: | Journal of Chemical Technology and Biotechnology. 30:440-446 |
| ISSN: | 1935-181X 0142-0356 |
| DOI: | 10.1002/jctb.503300155 |
| Popis: | Upon ultraviolet irradiation azobenzene and decafluoroazobenzene in cyclohexane and diethyl ether solutions decompose into phenylazo, phenylazomethylene and aniline radicals. The major products formed in cyclohexane solution are N-cyclohexylaniline, N-cyclohexylpentafluoroaniline, phenylazocyclohexane, pentafluorophenyl-azocyclohexane, 1-phenyl-2-cyclohexylhydrazine and 1-pentafluoro-2-cyclohexyl hydrazine. In diethyl ether solution the products are N-polymethylene phenylhydrazine, N-polymethylene pentafluorophenyl hydrazine, phenylhydrazine cyclohexane, pentafluorophenyl hydrazine cyclohexane and phenylazo-N-polymethylene. Minor products are also formed from the photosensitisation of solvent molecules. The primary and secondary reactions of the azobenzenes which lead to these products are discussed. |
| Databáze: | OpenAIRE |
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