1371535-34-0Relevant articles and documents
Synthesis of 9-substituted xanthenes by the condensation of arynes with ortho-hydroxychalcones
Lu, Chun,Dubrovskiy, Anton V.,Larock, Richard C.
supporting information; experimental part, p. 2202 - 2205 (2012/05/19)
The reaction of o-(trimethylsilyl)aryl triflates, CsF, and o-hydroxychalcones affords a general and efficient way to prepare biologically interesting 9-substituted xanthenes. This chemistry presumably proceeds by the tandem intermolecular nucleophilic att