Synthesis and characterization of polyphosphazene (η 6 -arene)chromium tricarbonyl derivatives
✍ Scribed by Allcock, Harry R.; Dembek, Alexa A.; Klingenberg, Eric H.
- Book ID
- 126004082
- Publisher
- American Chemical Society
- Year
- 1991
- Tongue
- English
- Weight
- 815 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0024-9297
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📜 SIMILAR VOLUMES
The synthesis of nitrile ligands linked to tricarbonyl (η 6 -arene)chromium complexes by conjugated spacers is performed by reacting aromatic bromo nitrile derivatives with tricarbonylchromium-complexed phenylacetylene using Sonogashira coupling reaction.
1,5-Remote diastereoselection on the acyclic systems is achieved by diastereoselective Cr(C0j3 complexation, chirality transfer in acyclic system and following stereoselective alkylation at the benzylic position. One of the most exciting challenges in the synthetic methodology is control of stereoch