Sodium-Mediated Manganation: Direct Mono- and Dimanganation of Benzene and Synthesis of a Transition-Metal Inverse-Crown Complex
✍ Scribed by Luca M. Carrella; William Clegg; David V. Graham; Lorna M. Hogg; Alan R. Kennedy; Jan Klett; Robert E. Mulvey; Eva Rentschler; Luca Russo
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 323 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0044-8249
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Evidence for the structure of 13 was provided by the sharp s at 12.67 ppm (phenol OH) in the 'H-NMR spectrum. The substitution pattern was confirmed by NOE difference spectra. Irradiation at the Me signal at 2.28 ppm resulted in a NOE of the aromatic proton at 6.67 ppm.
A specific oxygenation of phenols to ortho-quinones can be effected by a combination of the transition metal complexes Ti(OiPr)4, Vqacack, Zr(acac),, Zr(0nPrh and tert-butylhydro-B 2323 Eine nene ortbChinon-Synthese dmcb Oxygenhmg vott Wen o h mit den systemen tert-Butyihydroperoxid/ObergnngsmetaU-K