Preparation, characterization and application of succinimidinium hydrogensulfate ([H-Suc]HSO4) as an efficient ionic liquid catalyst for the N-Boc protection of amines?
RSC Advances Pub Date: 2015-02-17 DOI: 10.1039/C4RA14130J
Abstract
In this work, succinimidinium hydrogensulfate ([H-Suc]HSO4), as a novel Br?nsted acidic ionic liquid is prepared and characterized by studying its FT-IR, 1H NMR, 13C NMR, mass and SEM. This reagent can be used as an efficient catalyst for the N-Boc protection of amines at room temperature and neat conditions. This new method consistently has the advantages of excellent yields and short reaction times. Further, this ionic liquid can be recovered and reused for several times.
![Graphical abstract: Preparation, characterization and application of succinimidinium hydrogensulfate ([H-Suc]HSO4) as an efficient ionic liquid catalyst for the N-Boc protection of amines](http://scimg.chem960.com/usr/1/C4RA14130J.jpg)
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Journal Name：RSC Advances
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CAS no.: 89640-58-4
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