Boron trihalide-promoted ring-opening reactions of gem-difluorocyclopropyl ketones to give the corresponding β-trifluoromethyl ketones and β-halodifluoromethyl ketones were described. It was found that boron trihalides act as both Lewis acids and nucleophiles and the proximal bond prefers to cleave in this transformation.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1039/c3cc47879c | DOI Listing |
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!