Novel Photochemical Synthesis of Spiro-1,2,6,8,9 Pentaza-4-thia(4,4)nonane via Rearrangement of Aliphatic Arylazo Compounds |
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| Authors: | Afaf A Nada Asma M Mahran Ahmad S Shawali |
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| Institution: | 1. Photochemistry Department , National Research Centre , Dokki , Giza , Egypt;2. Chemistry Department , Cairo University , Giza , Egypt |
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| Abstract: | Irradiation of N-phenyl-2-phenylazo-3-oxo-3-(4-phenyl-5-aryl)-1,2,4-triazol-3-yl)thio]butanamides 4 a–c gave the corresponding title spiro compounds 5 a–c as end products via tandem rearrangement and cyclization of 4 a–c in their excited states. |
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| Keywords: | Photochemical rearrangement spiro heterocycles |
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