Single Bifunctional Ruthenium Catalyst for One??Pot Cyclization and Hydration giving Functionalized Indoles and Benzofurans

…, PJ Lee, AL Rheingold, DB Grotjahn

Index: Nair, Reji N.; Lee, Paul J.; Rheingold, Arnold L.; Grotjahn, Douglas B. Chemistry - A European Journal, 2010 , vol. 16, # 27 p. 7992 - 7995

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Citation Number: 47

Abstract

Indole [1] and benzofuran [1d, 2] heterocycles are key structural units in a variety of biologically active natural products and unnatural synthetic materials. Over the last few years, transition-metal catalysts have been extensively used in the cyclization of o- alkynylarylamines [3a–l] and phenols [3m–p] to construct benzoheterocycles through intramolecular [3] and intermolecular reactions.[4] Many of these reactions required the ...