Solvent-Controlled Chemoselectivity in the Photolytic Release of Hydroxamic Acids and Carboxamides from Solid Support

Katrine Qvortrup, Rico G Petersen, Asmus Ougaard Dohn, Klaus Braagaard Møller, Thomas E Nielsen

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Abstract

The synthetic utility and theoretical basis of a photolabile hydroxylamine-linker are presented. The developed protocols enable the efficient synthesis and chemoselective photolytic release of either hydroxamates or carboxamides from solid support. The bidetachable mode of the linker unit is uniquely dependent on the solvent. Hydroxamic acids are obtained by performing photolysis in protic solvents, whereas photolysis in aprotic solvents enables the selective release of carboxamides.
Original languageEnglish
JournalORGANIC LETTERS
Volume19
Issue number12
Pages (from-to)3263-3266
Number of pages4
ISSN1523-7060
DOIs
Publication statusPublished - 2017

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