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Sulfur-Switch Ugi Reaction for Macrocyclic Disulfide-Bridged Peptidomimetics.

ABSTRACT: A general strategy is introduced for the efficient synthetic access of disulfide linked artificial macrocycles via a Ugi four-component reaction (U4CR) followed by oxidative cyclization. The double-mercapto input is proposed for use in the Ugi reaction, thereby yielding all six topologically possible combinations. The protocol is convergent and short and enables the production of novel disulfide peptidomimetics in a highly general fashion.

SUBMITTER: Vishwanatha TM 

PROVIDER: S-EPMC5477004 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Sulfur-Switch Ugi Reaction for Macrocyclic Disulfide-Bridged Peptidomimetics.

Vishwanatha Thimmalapura M TM   Bergamaschi Enrico E   Dömling Alexander A  

Organic letters 20170605 12

A general strategy is introduced for the efficient synthetic access of disulfide linked artificial macrocycles via a Ugi four-component reaction (U4CR) followed by oxidative cyclization. The double-mercapto input is proposed for use in the Ugi reaction, thereby yielding all six topologically possible combinations. The protocol is convergent and short and enables the production of novel disulfide peptidomimetics in a highly general fashion. ...[more]

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