Tributylammonium Halochromates/silica Gel:Simple Reagents for Oxidative Coupling of Thiols to Symmetrical Disulfides |
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Authors: | Mohammad Kazem Mohammadi Shahriare Ghammamy Soroush Zarrinabadi Mohammad Hossein Farjam Behrang Sabayan |
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Affiliation: | 1. Faculty of Science, Islamic Azad University, Ahvaz Branch, Ahvaz, 61349‐68875, Iran;2. Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, PO Box 288, Iran;3. Department of Chemistry, Islamic Azad University, Firouzabad Branch, Firouzabad, Iran;4. Department of Chemistry, Islamic Azad University, Shiraz Branch, Shiraz, Iran |
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Abstract: | New orange solid tributylammonium halochromates, (C4H9)3N+CrO3X?, TBAXC (X=F, Cl) are easily synthesized by the reaction of tributylammonium fluoride and chloride with CrO3 in a 1:1 molar ratio in the presence of HF and HCl. Tributylammonium halochromates(VI) are versatile reagent for the effective and selective oxidation of organic substrates. Silica gel supported TBAFC and TBACC are versatile reagents for the effective and selective oxidation of organic substrates, in particular, thiols, under mild conditions. Considerable improvements are observed in the presence of the absorbent, making the work‐up much more convenient. |
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Keywords: | tributylammonium halochromates solid‐phase synthesis oxidation silica gel thiol disulfide |
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