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Preparation and Cycloaddition Reactions of Novel Heterocyclic Mesomeric Betaines
- Source :
- Tetrahedron. 56:5523-5534
- Publication Year :
- 2000
- Publisher :
- Elsevier BV, 2000.
-
Abstract
- The heterocyclic mesomeric betaines 6a–c reacted with dimethyl acetylenedicarboxylate and ethyl propiolate giving the 1,3-dipolar cycloaddition products 7a–c and 8a–c, respectively. With esters of maleic, fumaric, acrylic and methacrylic acids, mesomeric betaines 6a and 6b gave substituted tetralone derivatives.
Details
- ISSN :
- 00404020
- Volume :
- 56
- Database :
- OpenAIRE
- Journal :
- Tetrahedron
- Accession number :
- edsair.doi...........59ced168ed3862e54539c1e50a79cd6b
- Full Text :
- https://doi.org/10.1016/s0040-4020(00)00471-3