S. K. Pawar, Chiou‐Dong Wang, Sabyasachi Bhunia
Jul 15, 2013
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Angewandte Chemie
Abstract
A world of possibilities: Gold-catalyzed reactions of 2-ethynylbenzyl ethers with organic oxides and α-diazoesters gave 1,3-dihydroisobenzofuran and naphthalene derivatives, respectively (see scheme; EWG = electron-withdrawing group). Mechanisms for the formation of the formal cycloadducts were elucidated by isotope labeling.