Thermal cyclization of (2-Ethynylphenyl)triazenes: facile synthesis of substituted cinnolines and isoindazoles |
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| Authors: | Kimball Hayes Haley |
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| Institution: | Department of Chemistry, University of Oregon, Eugene, Oregon 97403-1253, USA. |
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| Abstract: | High-temperature intramolecular cyclization of N, N-dialkyl-N'-(4-substituted-2-ethynylphenyl)triazenes provides under neutral conditions both 6-substituted cinnolines and 5-substituted isoindazoles in moderate to excellent yields. |
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