Synthesis and biological activity of pyrrole, pyrroline and pyrrolidine derivatives with two aryl groups on adjacent positions

This review article summarizes the applications of bismuth(III) compounds in organic synthesis since 2002. Although there are an increasing number of reports on applications of bismuth(III) salts in polymerization reactions, and their importance is acknowledged, they are not included in this review. This review is largely organized by the reaction type although some reactions can clearly be placed in multiple sections. While every effort has been made to include all relevant reports in this field, any omission is inadvertent and we apologize in advance for the same (358 references).

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Applications of bismuth(III) compounds in organic synthesis

An approach to the Paal–Knorr pyrroles synthesis catalyzed by Sc(OTf)3 under solvent-free conditions

Bismuth nitrate-catalyzed multicomponent reaction for efficient and one-pot synthesis of densely functionalized piperidine scaffolds at room temperature

Protection for the Amino Group

A straightforward highly efficient Paal–Knorr synthesis of pyrroles

A straightforward simple synthesis of substituted pyrroles using bismuth nitrate-catalyzed modified Paal–Knorr method has been accomplished with an excellent yield. This method produces pyrroles with multicyclic aromatic amines.

Mercy Renteria

Papers

A straightforward highly efficient Paal–Knorr synthesis of pyrroles

A Straightforward Highly Efficient Paal—Knorr Synthesis of Pyrroles.