Preparation, characterization and application of succinimidinium hydrogensulfate ([H-Suc]HSO 4 ) as an efficient ionic liquid catalyst for the N-Boc protection of amines

In this work, succinimidinium hydrogensulfate ([H-Suc]HSO 4 ), as a novel Brønsted acidic ionic liquid is prepared and characterized by studying its FT-IR, 1 H NMR, 13 C NMR, mass and SEM. This reagent can be used as an efficient catalyst for the N -Boc protection of amines at room temperature and n...

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Bibliographic Details
Published in:RSC advances 2015-01, Vol.5 (26), p.19790-19798
Main Authors: Shirini, Farhad, Jolodar, Omid Goli, Seddighi, Mohadeseh, Borujeni, Hojatollah Takbiri
Format: Article
Language:English
Subjects:
Amines
Catalysts
Ionic liquids
Nuclear magnetic resonance
Reaction time
Scanning electron microscopy
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Summary:In this work, succinimidinium hydrogensulfate ([H-Suc]HSO 4 ), as a novel Brønsted acidic ionic liquid is prepared and characterized by studying its FT-IR, 1 H NMR, 13 C 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.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA14130J