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Reactivity of phospha–Wittig reagents towards NHCs and NHOs.
- Source :
- Dalton Transactions: An International Journal of Inorganic Chemistry; 2/7/2021, Vol. 50 Issue 5, p1838-1844, 7p
- Publication Year :
- 2021
-
Abstract
- Phospha–Wittig reagents, RPPMe<subscript>3</subscript> (R = Mes* 2,4,6-tBu<subscript>3</subscript>-C<subscript>6</subscript>H<subscript>2</subscript>; <superscript>Mes</superscript>Ter 2,6-(2,4,6-Me<subscript>3</subscript>C<subscript>6</subscript>H<subscript>2</subscript>)-C<subscript>6</subscript>H<subscript>3</subscript>; <superscript>Dip</superscript>Ter 2,6-(2,6-iPr<subscript>2</subscript>C<subscript>6</subscript>H<subscript>3</subscript>)-C<subscript>6</subscript>H<subscript>3</subscript>), can be considered as phosphine-stabilized phosphinidenes. In this study we show that PMe<subscript>3</subscript> can be displaced by NHCs or NHOs. Interestingly, phosphinidene-like reactivity results in a subsequent C(sp<superscript>2</superscript>)–H activation of the exocyclic CH<subscript>2</subscript> group in NHOs. This concept was further extended to allyl-apended NHOs, which resulted in phosphine-substituted allyl species. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 14779226
- Volume :
- 50
- Issue :
- 5
- Database :
- Complementary Index
- Journal :
- Dalton Transactions: An International Journal of Inorganic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 148593337
- Full Text :
- https://doi.org/10.1039/d1dt00071c