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Synthesis of 3-(N,N-dimethylamino)-2H-1-benzopyran-2-one
- Source :
- Tetrahedron Letters. 30:1709-1710
- Publication Year :
- 1989
- Publisher :
- Elsevier BV, 1989.
-
Abstract
- The reaction of salicylaldehyde, betaine and acetic anhydride gives 3-(N,N-dimethylamino)-2H-1-benzopyran-2-one in contrast with the published 2-(N,N-dimethylamino)-1,3-indandione.
Details
- ISSN :
- 00404039
- Volume :
- 30
- Database :
- OpenAIRE
- Journal :
- Tetrahedron Letters
- Accession number :
- edsair.doi...........1c656f252ef69f230bf8be6d11e34f3a
- Full Text :
- https://doi.org/10.1016/s0040-4039(00)99561-3