Noncatalytic mono-N-methylation of aniline in supercritical methanol: the kinetics and acid/base effect |
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| Authors: | Takebayashi Yoshihiro Morita Yoshinori Sakai Hideki Abe Masahiko Yoda Satoshi Furuya Takeshi Sugeta Tsutomu Otake Katsuto |
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| Affiliation: | Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1, Higashi, Tsukuba, Ibaraki 305-8565, Japan. chikulin@ni.aist.go.jp |
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| Abstract: | Aniline is easily N-methylated in supercritical methanol without catalyst at 350 degrees C and 0.237 g cm-3 to give mono-N-methylaniline with high selectivity, and the reaction rate is increased by a small amount of base (LiOH, NaOH, KOH, and CH3ONa), indicating a difference in the reaction mechanism from the ordinary acid-catalyzed one. |
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