Recent Advances in the Development of Catalytic Methods that Construct Medium-Ring Lactams, Partially Saturated Benzazepines and Their Derivatives

Recent catalytic methods to construct medium-sized lactams­ and partially saturated benzazepines and their derivatives are surveyed. The review is divided into the following sections: 1 Introduction 2 Non-Transition-Metal-Catalyzed Reactions 2.1 Beckmann Rearrangement 2.2 Non-Beckmann Rearrangement Reactions 2.3 Multicomponent reactions 3 Transition-Metal-Catalyzed Reactions 3.1 Gold-Catalyzed Reactions to Access Medium-Sized N-Hetero­cycles 3.2 Reactions Involving a Metal η3-Complex Catalytic Intermediate 3.3 Transition-Metal-Catalyzed Reactions of Strained Cycloalkanes 4 Conclusions