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Nickel-Catalyzed Cross-Coupling of Chromene Acetals and Boronic Acids
A modular and highly efficient protocol for the synthesis of 2-aryl- and heteroaryl-2H-chromenes is described. Under base-free conditions, readily accessible 2-ethoxy-2H-chromenes undergo C(sp(3))–O activation and C(sp(3))–C bond formation in the presence of an inexpensive nickel catalyst and boroni...
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| Udgivet i: | Org Lett |
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| Main Authors: | , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
2012
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4804347/ https://ncbi.nlm.nih.gov/pubmed/22385385 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/ol300364s |
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