Palladium-catalyzed cross-coupling of unsaturated phenols with vinylic halides and triflates
โ Scribed by Richard C. Larock; Hoseok Yang; Paola Pace; Sandro Cacchi; Giancarlo Fabrizi
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- French
- Weight
- 210 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
The palladium-catalyzed cross-coupling of o-allylic and o-vinylic phenols with vinylic halides and triflates produces substituted dihydrobenzopyrans and dihydrobenzofurans respectively in good to high yields.
๐ SIMILAR VOLUMES
The palladium-catalyzed cross-coupling of o-allytic and o-vinylic phenols with vinylic halides and triflates produces substituted dihydrobenzopyrans and dihydrobenzofurans respectively in good to high yields. The proposed mechanism involves vinylpalladium addition to the olefin, rearrangement to a g
Vinylic halides or triflates react with 3-butenoic or 4-pentenoic acids in the presence of 5% Pd(OAc) or Pd(dba) dimethylformamide at 8 -100ยฐC 6