BF3·OEt2-promoted concise synthesis of difluoroboron-derivatized curcumins from aldehydes and 2,4-pentanedione
✍ Scribed by Liu, Kai; Chen, Jiangmin; Chojnacki, Jeremy; Zhang, Shijun
- Book ID
- 120006858
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- French
- Weight
- 469 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
BF 3 ÁOEt 2 -catalyzed methyl group migration of 4-methyl-4-tert-butyldioxycyclohexadienone, which is obtained by ruthenium-catalyzed oxidation of p-cresol with tert-butyl hydroperoxide, in hexafluoro-2propanol/toluene gave toluquinone efficiently. The reaction can be applied to the regio-selective
## Abstract magnified image A one‐pot procedure for the synthesis of 4‐arylidene‐2‐phenyl‐5(4__H__)oxazolones directly from aryl aldehyde bisulfite adducts in the absence of Ac~2~O in good to excellent yields using phosphoryl chloride is reported. In addition, the observed chemoselectivity can be