Anion-Binding Catalysis

5Anion‐Binding Catalysis with Other Anions

Sankash Mitra and Santanu Mukherjee

Indian Institute of Science, Department of Organic Chemistry, C. V. Raman Road, Bangalore, 560012, India

5.1 Introduction

Despite the advent of H‐bonding [1] as a prominent force for substrate activation decades before [2] the discovery of Lewis acid catalysis [3], H‐bonding catalysis remained in oblivion until nearly the end of the previous century except for a few sporadic reports. The lack of immediate attention of chemists toward H‐bonding catalysis may be attributed to the loosely defined and less directional interactions compared to the well‐understood geometry of Lewis acidic metal complexes [4]. Notwithstanding the late emergence, the past two decades have ...