Direct N-alkylation of unprotected amino acids with alcoholsYan, T., Feringa, B. L. & Barta, K., Dec-2017, In : Science Advances. 3, 12, 7 p., eaao6494.
Research output: Contribution to journal › Article › Academic › peer-review
N-alkyl amino acids find widespread application as highly valuable, renewable building blocks. However, traditional synthesis methodologies to obtain these suffer from serious limitations, providing a major challenge to develop sustainable alternatives. We report the first powerful catalytic strategy for the direct N-alkylation of unprotected a-amino acids with alcohols. This method is highly selective, produces water as the only side product leading to a simple purification procedure, and a variety of alpha-amino acids are mono- or di-N-alkylated, in most cases with excellent retention of optical purity. The hydrophobicity of the products is tunable, and even simple peptides are selectively alkylated. An iron-catalyzed route to mono-N-alkyl amino acids using renewable fatty alcohols is also described that represents an ideal green transformation for obtaining fully bio-based surfactants.
|Number of pages||7|
|Publication status||Published - Dec-2017|
- Journal Article