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A Direct, Early Stage Guanidinylation Protocol For The Synthesis Of Complex Aminoguanidine-Containing Natural Products, Christopher E. Malmberg, Stephen Chamberland
A Direct, Early Stage Guanidinylation Protocol For The Synthesis Of Complex Aminoguanidine-Containing Natural Products, Christopher E. Malmberg, Stephen Chamberland
All Faculty Scholarship for the College of the Sciences
The guanidine functional group, displayed most prominently in the amino acid arginine, one of the fundamental building blocks of life, is an important structural element found in many complex natural products and pharmaceuticals. Owing to the continual discovery of new guanidinecontaining natural products and designed small molecules, rapid and efficient guanidinylation methods are of keen interest to synthetic and medicinal organic chemists. Because the nucleophilicity and basicity of guanidines can affect subsequent chemical transformations, traditional, indirect guanidinylation is typically pursued. Indirect methods commonly employ multiple protection steps involving a latent amine precursor, such as an azide, phthalimide, or carbamate. By …