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Original Articles

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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Pages 2111-2117 | Received 06 Jun 2004, Accepted 30 Oct 2004, Published online: 19 Aug 2006
 

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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