Abetract -The reactivltv of Bi" reawntr towards very Wndered phenola with tert.-butvl R~UD~ at 2 and 6 under basic condHiana has been studied. Une&&d phenylatlon at the I-position and, in several cares. repIacement of a fert.-butyl mp by phenyl lihve heen obsewed. The mechanism of thene unexpected r
The chemistry of pentavalent organobismuth reagents : Part X. Studies on the phenylation and oxidation of phenols
β Scribed by Derek H.R. Barton; Neerja Yadav-Bhatnagar; Jean-Pierre Finet; Jamal Khamsi; William B. Motherwell; Stephen P. Stanforth
- Book ID
- 104205054
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- French
- Weight
- 653 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0040-4020
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A reinvestigation of the copper-mediated phenylation of amines by Bi v reagents is reported. The influence of the ligands bound to bismuth and the basicity of the amines have been examined. These results, combined with our previous observations, led to the development of a new system for the quantit
Two new methods for the preparation of aryl bismuth (V) carboxylates and sulfonates are reported. The first strategy involves an acid catalysed ligand exchange from triphenyl bismuth diacetate, while the second utilizes an oxidative addition of dibenzoyl peroxide catalyzed by BF3.OEh.