Huisgen reaction of nitrile oxides and nitrile imines leading to isoxazoline and pyrazole-4,6-diones |
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| Authors: | J Kaur B Singh K K Singal |
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| Institution: | (1) Department of Chemistry, G.H.G. Khalsa College, Gurusar Sadhar, Ludhiana, 141 104 Punjab, India;(2) Department of Chemistry, Punjabi University, Patiala, 147 002 Punjab, India |
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| Abstract: | Huisgen reaction of nitrile oxides and nitrile imines generated in situ in the presence of N-benzylmaleimide afforded regiospecifically
the corresponding cis-3-aryl-5-benzyl-3a,4,6,6atetrahydro-4H, 6H-pyrrolo3,4-d]isoxazoline-4,6-diones and cis-3-aryl-5-benzyl-1-(2′,4′-dibromophenyl)-3a,
4,6,6a-tetrahydro-1H,5H-pyrrolo3,4-c]pyrazole-4,6-diones in good yield.
Published in Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 935–939, June, 2006. |
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| Keywords: | N-benzylmaleimide nitrile imines nitrile oxide Huisgen reaction regiospecific |
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