Synthesis and characterization of thiochromone S,S-dioxides as new photolabile protecting groups |
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| Authors: | Kitani Satoru Sugawara Kazuki Tsutsumi Ken Morimoto Tsumoru Kakiuchi Kiyomi |
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| Affiliation: | Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama, Ikoma, Nara, 630-0192, Japan. |
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| Abstract: | 3-Arylthiochromone derivatives were synthesized as new photolabile protecting groups, in which the photoreactivity was switchable based on oxidation of the sulfur atom (sulfide and sulfone); the protected substrates , released the corresponding alcohols, amines or carbonxylic acids almost quantitatively under UV-light in neutral condition and the photoproduct showed high fluorescence intensity. |
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