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2-正丁基-5-甲酰基咪唑的合成

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摘要 以2-正丁基-1H-咪唑-4-酮(2)为原料,经过双(三氯甲基)碳酸酯(3)氯化甲酰化,再经Raney-Ni催化氢化得2-正丁基-5-甲酰基咪唑(1)。用正交试验确定了最佳合成工艺:n(2):n(3)=1.0:1.2,DMF=30%,反应温度=100℃,反应时间=6h,收率在76%以上。目标化合物用MS和1H NMR表征。
出处 《中国医药指南》 2013年第11期70-71,共2页 Guide of China Medicine
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参考文献7

  • 1Wittenberger SJ,Tasker A,Sorensen BK,et al.2-Butyl-4-iodoimi-dazole-5-carboxa-ldehyde:A versatile intermediate for the synthesisof functionalized imidazloes[J].Synth Commun,1993,23(22):3231-3248.
  • 2Shi YJ,Frey LF,Tschaen DM,et al.A practical synthesis of 2-buty-4(5)-chloro-5(4)-hydrox-ymethyl-1H-imidazole[J].Synth Commun,1993,23(18):2623-2630.
  • 3Shilocrat SC,Mokhallalati MK,Pridgen LN,et al.A new regiosele-ctive synthesis of1,2,5-trisubstitued 1 H-imidazoles and its applic-ation to the developmentof eprosartan[J].J Org Cjem1997,62(24):8449-8454.
  • 4Griffths GJ,Hauck MB,Imwinkelried R,et al.Novel synthesis of 2-buty-5-chloro-3 H-imidazole-4-carbaldehyde:a key intermediate for the synthesis of the angiotensionⅡantagonist losartan[J].J Org Chen,1999,64(22):8084-8089.
  • 5Rajnikantvyas J.Preparation of20substitued4-chloro-5-formyli-midazole and5-formylimidazole[P].WO,110037A2.2006-10-19.
  • 6Srinvas K,Ramesh S,Pardhasaradhi M,et al.A rapid and efficient synthesis of2-buty-5-chloro-3H-imidazole-4-carboxaldehyde[J].Synthesis,2004,46(4):506-508.
  • 7严青松,陈玉彬.2-正丁基-5-甲酰基咪唑的合成[J].中国药物化学杂志,2008,18(2):123-125. 被引量:1

二级参考文献10

  • 1SHI Y J, FREY L F, TSCHAEN D M, et al. A practical synthesis of 2-butyl-4 ( 5 )-chloro-5 ( 4 )-hydroxymethyl-1H-imidazole[J ]. Synth Commun, 1993, 23 (18) :2623 - 2630.
  • 2SHILCRAT S C, MOKHALLALATI M K, PRID- GEN L N, et al. A new regioselective synthesis of 1, 2, 5-trisubstitued 1H-imidazoles and its application to the development of eprosartan [ J ]. J Org Chem, 1997, 62(24):8449 - 8454.
  • 3GRIFFTHS G J, HAUCK M B, IMWINKELRIED R, et al. Novel syntheses of 2-butyl-5-chloro-3H-imidazole-4-carbaldehyde: a key intermediate for the synthesis of the angiotension Ⅱ antagonist losartan [J]. J Org Chem, 1999, 64(22) :8084 - 8089.
  • 4SRINVAS K, RAMESH S, PARDHASARADHI M, et al. A rapid and efficient synthesis of 2-butyl-5- chloro-3H- imidazole-4- carboxaldehyde [ J ]. Synthesis, 2004 (4) : 506 - 508.
  • 5RAJNIKANTVYAS J. Preparation of 2-substitued 4- chloro- 5- formylimidazole and 5-formylimidazole : WO, 110037A2[P] .2006- 10- 19.
  • 6WATSON S P. A covenient synthesis of 2-butyl-4 (5)-chloro-1H-imidazloe-5 ( 4 )-carboxaldehyde [J]. Synth Commun, 1992, 22(20) :2971 - 2977.
  • 7WITTENBERGER S J, TASKER A, SORENSEN B K, et al. 2-Butyl-4-iodoimidazole-5-carboxaldehyde: a versatile intermediate for the synthesis of highly functionalized imidazloes [ J ]. Synth Commun, 1993, 23 (22) :3231 - 3248.
  • 8MOHAMMADPOOR-BALTORK I, ABDOLLAHIALIBEIK M. Microwave-assisted facile and convenient synthesis of imidazolines[J]. Bull Korean Chem Soc, 2003, 24(9) : 1354 - 1356.
  • 9ABDOLLAHI-ALIBEIK M, MOHAMMADPOOR- BALTORK I, ZOLFIGOL M A. Alumina supported potassium permanganate: an efficient reagent for chemoselective dehydrogenation of 2-imidazolines un- der mild condition [J]. Bicorg Med Chem Lett, 2004, 14(24) :6079 - 6082.
  • 10刘秀英,张治民,梁淑彩,钱芳.染料中间体间氨基-N-取代-苯磺酰胺的合成研究[J].合成化学,2002,10(1):62-64. 被引量:8

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