A trifluoroacetic acid-labile sulfonate protecting group and its use in the synthesis of a near-IR fluorophore
UMass Chan AffiliationsDepartment of Biochemistry and Molecular Pharmacology
Chromophore-Assisted Light Inactivation
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AbstractSulfonated molecules exhibit high water solubility, a property that is valuable for many biological applications but often complicates their synthesis and purification. Here we report a sulfonate protecting group that is resistant to nucleophilic attack but readily removed with trifluoroacetic acid (TFA). The use of this protecting group improved the synthesis of a sulfonated near-IR fluorophore and the mild deprotection conditions allowed isolation of the product without requiring chromatography.
SourceJ Org Chem. 2013 Jan 18;78(2):711-6. doi: 10.1021/jo302065u. Epub 2012 Dec 13. Link to article on publisher's site
Permanent Link to this Itemhttp://hdl.handle.net/20.500.14038/29833
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