期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 11, 期 7, 页码 1103-1108出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ob26929e
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资金
- Radboud University Nijmegen
Benzothiazole-2-sulfonamides react with an excess of hydroxylamine in aqueous solutions to form 2-hydroxybenzothiazole, sulfur dioxide, and the corresponding amine. Mechanistic studies that employ a combination of structure-reactivity relationships, oxygen labeling experiments, and (in)direct detection of intermediates and products reveal that the reaction proceeds via oxygen attack, and that oxygen incorporated in the 2-hydroxybenzothiazole product derives from hydroxylamine. The reaction, which is performed under mild conditions, can be used as a deprotection method for cleavage of benzothiazole-2-sulfonyl-protected amino acids.
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