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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 4
BKCSDE 35(4)
April 20, 2014

Title	Effect of Alkali Metal Nitrates on the Ru/C-catalyzed Ring Hydrogenation of m-Xylylenediamine to 1,3-Cyclohexanebis(methylamine)
Author	Young Jin Kim,, Jae Hyeok Lee, Vania Tanda Widyaya, Hoon Sik Kim, Hyunjoo Lee
Keywords	Hydrogenation, m-Xylylenediamine, Ru/C, Alkali metal nitrate
Abstract	Ru/C-catalyzed hydrogenation of m-xylylene diamine into 1,3-cyclohexanebis(methylamine) was greatly accelerated by the presence of LiNO3, NaNO2, or NaNO3. It was found that the effect of the nitrate salt was significantly affected by the size of cation. The promoting effect of the nitrate salt increased with the decrease of the cation size: LiNO3 ~ NaNO3 > KNO3 > CsNO3 >> [1-butyl-3-methylimidazolium]NO3. XRD analysis of the recovered catalysts after the hydrogenation reactions showed that LiNO3 and NaNO3 were completely transformed into LiOH and NaOH, respectively, along with the evolution of NH3, while KNO3 and CsNO3 remained unchanged.
Page	1117 - 1120
Full Text	PDF

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