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One-pot solvent-free reductive amination with a solid ammonium carbamate salt from CO 2 and amine

Many amines are liquid and their handling is inconvenient compared with the corresponding solids. We transformed a liquid ( S )-(−)-1-phenylethylamine 1 to the corresponding neutral solid form 2 by reacting with carbon dioxide. We performed reductive amination of 2 with various aldehydes 3 under sol...

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Published in:RSC advances 2014, Vol.4 (86), p.46203-46207
Main Authors: Kang, Philjun, Lee, Kyu Myung, Lee, Won Koo, Lee, Kyu Hyung, Lee, Byeongno, Cho, Jaeheung, Hur, Nam Hwi
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Language:English
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description Many amines are liquid and their handling is inconvenient compared with the corresponding solids. We transformed a liquid ( S )-(−)-1-phenylethylamine 1 to the corresponding neutral solid form 2 by reacting with carbon dioxide. We performed reductive amination of 2 with various aldehydes 3 under solvent-free conditions to provide secondary amines 5 in high yields.
doi_str_mv 10.1039/C4RA07558G
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title One-pot solvent-free reductive amination with a solid ammonium carbamate salt from CO 2 and amine
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