Mono-selective β-C–H arylation of N-methylated amino acids and peptides promoted by the 2-(methylthio)aniline directing group

Literature Information

Publication Date 2019-05-14
DOI 10.1039/C9OB00966C
Impact Factor 3.876
Authors

Thorsten Kinsinger, Uli Kazmaier


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Abstract

2-(Methylthio)aniline (MTA) directed C(sp3)–H functionalisations are efficient and straightforward protocols for the selective β-modification of N-methylated amino acids. The decreased reactivity of MTA in comparison with the 8-aminoquinoline (AQ) directing group allows for selective monoarylations in high yields without the formation of side products. The protocol is also suitable for the introduction of highly functionalised side chains onto the C-terminal alanines of dipeptides. The MTA directing group can easily be removed, providing free carboxylic acids as valuable building blocks.

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Organic & Biomolecular Chemistry

Organic & Biomolecular Chemistry
CiteScore: 3.4
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Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

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