Abstract
A Pd(0)-catalyzed intermolecular cascade dearomatization reaction of β-naphthol derivatives with propargyl carbonates was described. In the presence of a Pd complex derived from Pd2dba3 and rac-BINAP, various spironaphthalenones were obtained in excellent yields (up to 95%) and with high chemoselectivity (C/O > 20:1) in most cases.
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