期刊
TETRAHEDRON LETTERS
卷 51, 期 26, 页码 3388-3391出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.04.098
关键词
1,3-Dipolar cycloaddition; Nitrile oxide; 2-Nitro-1,1-ethenediamine; Fused bicyclic isoxazole; 7-Ring fused isoxazole; 6-Ring fused isoxazole
资金
- Nuffield Science Bursaries
The discovery of a novel synthesis of new fused bicyclic isoxazoles, for example. N-methyl-3-phenyl-5,6-dihydro-4H-isoxazolo[3,4-c]azepin-8-amine (2a), N-methyl-3-phenyl-4,5-dihydroisoxazolo[3,4-c]pyridin-7-amine (2b) and N-methyl-3-phenyl-4H-pyrrolo[3,4-c]isoxazol-6-amine (2d) in high yield is reported. We speculate that the reaction proceeds via acid-mediated intramolecular 1,3-dipolar cycloaddition from 2-nitro-1,1-ethenediamines 1a,b,d. (C) 2010 Elsevier Ltd. All rights reserved.
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