Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 21, Issue 4, Pages 728-731Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ob02128e
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A convenient method for preparing aryl formates using difluorocarbene as a CO surrogate is described. This reaction proceeds through sequential O-difluoromethylation of phenol, followed by alpha-C-F bond functionalization of the resulting aryl difluoromethyl ether intermediate by phenol or moisture through fluorosemiacetal or orthoformate intermediates. Late-stage modification of biologically and materially active compounds is demonstrated.
A convenient method to prepare aryl formates is reported herein that exploits difluorocarbene to serve as a CO surrogate. This reaction is proposed to occur through a sequential O-difluoromethylation of phenol, followed by alpha-C-F bond functionalization of the resulting aryl difluoromethyl ether intermediate by phenol or moisture through fluorosemiacetal or orthoformate intermediates. Late-stage modification of biologically and materially active compounds is demonstrated.
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