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Abstract
Although reactions between β-diketiminato magnesium species containing monocyclic 1,4-dihydropyridide ligands and the representative ketone benzophenone are observed to provide reduction by formal hydride transfer to yield magnesium diphenylphenoxide, similar reactions with organic isocyanates display only a very limited propensity toward hydride transfer and reduction to amidate species. In these latter systems, reaction primarily takes place with Mg-N insertion to afford O-bound ureide complexes. Further reactions of a magnesium dihydro-isoquinolide complex, which is constrained to hydride dearomatization at the 2-position only, display more variable behavior. Although similar Mg-N insertion and ureide formation is observed for reactions with isocyanates bearing less sterically demanding N-substitution, more bulky isocyanates provide unusual enamide C-C coupling reactivity.
Original language | English |
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Pages (from-to) | 2590-2599 |
Number of pages | 10 |
Journal | Organometallics |
Volume | 34 |
Issue number | 11 |
DOIs | |
Publication status | Published - 8 Jun 2015 |
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Organic Chemistry
- Inorganic Chemistry
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Dive into the research topics of 'Kinetically Directed Reactivity of Magnesium Dihydropyridides with Organoisocyanates'. Together they form a unique fingerprint.Projects
- 1 Finished
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Group 2: Elements of 21st Century Catalysis
Hill, M. (PI)
Engineering and Physical Sciences Research Council
23/05/11 → 31/03/15
Project: Research council