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Volumn 126, Issue 23, 2004, Pages 7368-7377

Continuous chemoselective methylation of functionalized amines and diols with supercritical methanol over solid acid and acid-base bifunctional catalysts

Author keywords

[No Author keywords available]

Indexed keywords

ETHOXYETHYLAMINE; METHYLATION; SOLID ACIDS;

EID: 2942590280     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja048557s     Document Type: Article
Times cited : (82)

References (79)
  • 2
    • 0001118152 scopus 로고    scopus 로고
    • Ertl, G., Knözinger, H., Weitkamp, J., Eds.; Wiley-VCH: Weinheim
    • (b) Savage, P. E. In Handbook of Heterogeneous Catalysis; Ertl, G., Knözinger, H., Weitkamp, J., Eds.; Wiley-VCH: Weinheim, 1997; Vol. 4, pp 1339-1347.
    • (1997) Handbook of Heterogeneous Catalysis , vol.4 , pp. 1339-1347
    • Savage, P.E.1
  • 3
    • 0347964861 scopus 로고    scopus 로고
    • (c) Baiker, A. Chem. Rev. 1999, 99, 453-473.
    • (1999) Chem. Rev. , vol.99 , pp. 453-473
    • Baiker, A.1
  • 13
    • 2942520452 scopus 로고    scopus 로고
    • Murahashi, S.-I., Davies, S. G., Eds.; Blackwell Science: New York
    • (c) Ikadya, T.; Noyori, R. In Transition Metal Catalyzed Reactions; Murahashi, S.-I., Davies, S. G., Eds.; Blackwell Science: New York, 1999; pp 1-28.
    • (1999) Transition Metal Catalyzed Reactions , pp. 1-28
    • Ikadya, T.1    Noyori, R.2
  • 16
    • 1842535614 scopus 로고    scopus 로고
    • Vögtle, F., Stoddart, J. F., Shibasaki, M., Eds.; Wiley-VCH: Weinheim
    • (f) Noyori, R.; Ikariya, T. In Stimulating Concepts in Chemistry; Vögtle, F., Stoddart, J. F., Shibasaki, M., Eds.; Wiley-VCH: Weinheim, 2000; pp 13-24.
    • (2000) Stimulating Concepts in Chemistry , pp. 13-24
    • Noyori, R.1    Ikariya, T.2
  • 49
    • 2942518770 scopus 로고    scopus 로고
    • Jpn. Kokai Tokkyo Koho H11-292831, 1999
    • (b) Oku, T.; Onda, Y.; Tsuneki, H. Jpn. Kokai Tokkyo Koho H11-292831, 1999.
    • Oku, T.1    Onda, Y.2    Tsuneki, H.3
  • 50
    • 0003788461 scopus 로고
    • Tanabe, K., Hattori, H., Yamaguchi, T., Tanaka, T., Eds.; Kodansha: Tokyo
    • (a) Ueshima, M.; Shimasaki, Y.; Hino, Y.; Tsuneki, H. In Acid-Base Catalysis; Tanabe, K., Hattori, H., Yamaguchi, T., Tanaka, T., Eds.; Kodansha: Tokyo, 1989; pp 41-52.
    • (1989) Acid-Base Catalysis , pp. 41-52
    • Ueshima, M.1    Shimasaki, Y.2    Hino, Y.3    Tsuneki, H.4
  • 51
    • 0039278009 scopus 로고
    • Yoshida, S., Takezawa, N., Ono, T., Eds.; Kodansha-VCH: Tokyo
    • (b) Ueshima, M.; Tsuneki, H. In Catalytic Science and Technology; Yoshida, S., Takezawa, N., Ono, T., Eds.; Kodansha-VCH: Tokyo, 1991; Vol. 1, pp 357-360.
    • (1991) Catalytic Science and Technology , vol.1 , pp. 357-360
    • Ueshima, M.1    Tsuneki, H.2
  • 57
    • 2942512440 scopus 로고    scopus 로고
    • U.S. Patent 4,841,060 1989
    • (c) Hino, Y.; Shimasaki, Y.; Ueshima, M. U.S. Patent 4,841,060 1989.
    • Hino, Y.1    Shimasaki, Y.2
  • 66
    • 0042308465 scopus 로고    scopus 로고
    • Anpo, M., Onaka, M., Yamashita, H., Eds.; Kodansha-Elsevier: Tokyo
    • (d) Ichihashi, H. In Science and Technology in Catalysis 2002; Anpo, M., Onaka, M., Yamashita, H., Eds.; Kodansha-Elsevier: Tokyo, 2003; pp 73-78.
    • (2003) Science and Technology in Catalysis 2002 , pp. 73-78
    • Ichihashi, H.1
  • 67
    • 2942550060 scopus 로고    scopus 로고
    • note
    • 2 chemisorption at room temperature did not occur in the temperature-programmed desorption (TPD) method indicating that this catalyst has only very weak acid and base sites (ref 8).
  • 68
    • 2942546909 scopus 로고    scopus 로고
    • note
    • 3OH, and W/F = 80, which consisted of 2-methoxyethanol, monoethylene glycol, 2-methoxyethylamine, N,N′ -dimethylpipirazine etc., at 42% conversion.
  • 69
    • 0000646663 scopus 로고
    • and references therein
    • N-Methylation of ammonia with methanol to methylamines in vapor phase over a solid acid catalyst is known to be a reversible reaction (Segawa, K.; Tachibana, H. J. Catal. 1991, 131, 482-490 and references therein).
    • (1991) J. Catal. , vol.131 , pp. 482-490
    • Segawa, K.1    Tachibana, H.2
  • 71
    • 2942575407 scopus 로고    scopus 로고
    • note
    • Similarly, the reaction of 1,2-propyleneglycol at 300 °C and 8.2 MPa gave only monomethylation products with 78% selectivity (1-methyl-:2-methylpropyleneglycol = 2.25:1), although at 11% conversion.
  • 72
    • 2942573888 scopus 로고    scopus 로고
    • note
    • 4 followed by calcination at 500 °C for 2 h in air.
  • 73
    • 0024847398 scopus 로고
    • 4 was δ = -3 to -7 ppm, and shifted to a higher magnetic field with higher condensation of phosphates (Hayashi, S.; Hayamizu, K. Bull. Chem. Soc. Jpn. 1989, 62, 3061-3068).
    • (1989) Bull. Chem. Soc. Jpn. , vol.62 , pp. 3061-3068
    • Hayashi, S.1    Hayamizu, K.2
  • 79
    • 2942610095 scopus 로고    scopus 로고
    • note
    • 3OH, forming a 2-aminoethylammonium moiety, which might be a relatively weak interaction.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.