IPy2BF4/HF-pyridine: a new combination of reagents for the transformation of partially unprotected thioglycosides and n-pentenyl glycosides to glycosyl fluorides |
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| Authors: | López J Cristóbal Bernal-Albert Paloma Uriel Clara Valverde Serafín Gómez Ana M |
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| Institution: | Instituto de Química Orgánica General, CSIC, Juan de la Cierva 3, Madrid 28006, Spain. clopez@iqog.csic.es |
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| Abstract: | The combination of bis(pyridinium)iodonium (I) tetrafluoroborate (IPy2BF4), and hydrogen fluoride pyridine (HF-py) forms an iodine monofluoride (IF) synthetic equivalent that can be used in the preparation of partially unprotected glycosyl fluorides from partially unprotected n-pentenyl glycosides and thioglycosides, thus avoiding the need for the protection/deprotection steps normally required in that transformation. |
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