2024
DOI: 10.26434/chemrxiv-2024-1vp1n
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Disulfuration of Azlactones: A Versatile Entry to Unnatural, Disulfide-Linked Amino Acids and Peptides

Hayato Asanuma,
Kenya Hosono,
Masaki Iwata
et al.

Abstract: We have developed a DABCO-catalyzed disulfuration reaction of azlactones using N-dithiophthalimides for the preparation of the SS-linked amino acid derivatives. This reaction proceeds under mild conditions, yielding disulfurated azlactones in excellent yields across a variety of N-dithiophthalimides and diverse azlactones derived from various amino acids. Leveraging the ready availability of N-dithiophthalimides from several bilateral disulfurating reagents and the transformability of the azlactone moiety thro… Show more

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