An unusual chromone formation, and its rearrangement to a coumarin
| Data(s) |
08/08/1994
|
|---|---|
| Resumo |
3-(2'-cyclopentenyl)-4-hydroxy[1]Benzopyran-2-one(2) or its acetate (3) reacts with pyridine hydrotribromide to give the fused furo chromone (4) in 90% yield, which on refluxing in 50% H2SO4 furnishes the fused furo coumarin (5) in 87% yield. |
| Formato |
application/pdf |
| Identificador |
http://eprints.iisc.ernet.in/36238/1/an_unusual.pdf Majumdar, KC and Choudhury, PK and Nethaji, M (1994) An unusual chromone formation, and its rearrangement to a coumarin. In: Tetrahedron Letters, 35 (32). pp. 5927-5930. |
| Publicador |
Elsevier Science. |
| Relação |
http://dx.doi.org/10.1016/S0040-4039(00)78221-9 http://eprints.iisc.ernet.in/36238/ |
| Palavras-Chave | #Inorganic & Physical Chemistry |
| Tipo |
Journal Article PeerReviewed |
