Oxidative-aromatization of Hantzsch ester 1,4-dihydropyridines by KBrO3/CoCL2•6H2O under mild condition

被引：0
|
作者：
Dilmaghani, Karim Akbari [1 ]
Zeynizadeh, Behzad [1 ]
mirzaei, Mansoor [1 ]
机构：
[1] Urmia Univ, Fac Sci, Dept Chem, Orumiyeh 57159, Iran
来源：
HETEROCYCLIC COMMUNICATIONS | 2007年 / 13卷 / 2-3期
关键词：
oxidation; 1,4-dihydropyridines; KBrO3; CoCl2.6H2O;
D O I：
暂无
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
KBrO3/CoCl2.6H(2)O system was used as an effective oxidizing agent for the oxidation of 1,4-dihydropyridines to the corresponding pyridine derivatives in refluxing CH3CN. The products were obtained in high to excellent yields.
引用
收藏
页码：139 / 142
页数：4
相关论文
共 50 条
  • [21] Hydrogen release from hydrolysis of NaBH4-NH3BH3 composite promoted by CoCl2•6H2O
    Yang, M.
    Wu, Y. C.
    Liu, Y. H.
    Chen, J. Q.
    Wu, C. L.
    Feng, W.
    Cai, W. T.
    Wang, X. L.
    DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES, 2023, 18 (03) : 899 - 913
  • [22] One-Pot Synthesis of Hantzsch Dihydropyridine Catalyzed by Ionic Liquid (BmimOAc) and the Oxidative Aromatization of Dihydropyridine Using FeCl3•6H2O
    Liu, Ruidong
    Zhang, Jian
    ASIAN JOURNAL OF CHEMISTRY, 2011, 23 (04) : 1743 - 1746
  • [23] Dispersion and Solid State Ion Exchange of VCl3, CrCl3⋅6H2O, MnCl2⋅4H2O and CoCl2⋅6H2O onto the Surface of NaY Zeolite Using Microwave Irradiation
    M. Zendehdel
    M. Kooti
    M. M. Amini
    Journal of Porous Materials, 2005, 12 : 143 - 149
  • [24] CoCl2·6H2O or LaCl3·7H2O Catalyzed Biginelli Reaction. One-Pot Synthesis of 3,4-Dihydropyrimidin-2（1 H）-ones
    路军
    白银娟
    郭延红
    王振军
    马怀让
    Chinese Journal of Chemistry, 2002, (07) : 681 - 687
  • [25] 4-Phenyl-1,2,4-triazole-3,5-dione as a novel and reusable reagent for the aromatization of 1,4-dihydropyridines under mild conditions
    Zolfigol, MA
    Ghorbani-Choghamarani, A
    Shahamirian, M
    Safaiee, M
    Mohammadpoor-Baltork, I
    Mallakpour, S
    Abdollahi-Alibeik, M
    TETRAHEDRON LETTERS, 2005, 46 (33) : 5581 - 5584
  • [26] FeNH4(SO4)2·12H2O (alum)-catalyzed preparation of 1,4-dihydropyridines: improved conditions for the Hantzsch reaction
    Ali A. Mohammadi
    Armin Hadadzahmatkesh
    Mohammad R. Asghariganjeh
    Monatshefte für Chemie - Chemical Monthly, 2012, 143 : 931 - 933
  • [27] CoCl2•6H2O or LaCl3•7H2O catalyzed Biginelli reaction.: One-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones
    Lu, J
    Bai, YJ
    Guo, YH
    Wang, ZJ
    Ma, HR
    CHINESE JOURNAL OF CHEMISTRY, 2002, 20 (07) : 681 - 687
  • [28] CoCl2·6H2O催化合成3,4-二氢嘧啶-2-酮衍生物
    杨玲
    郭延红
    路军
    白银娟
    化学研究与应用, 2002, (06) : 710 - 711
  • [29] FeNH4(SO4)2•12H2O (alum)-catalyzed preparation of 1,4-dihydropyridines: improved conditions for the Hantzsch reaction
    Mohammadi, Ali A.
    Hadadzahmatkesh, Armin
    Asghariganjeh, Mohammad R.
    MONATSHEFTE FUR CHEMIE, 2012, 143 (06): : 931 - 933
  • [30] Practical Synthesis of 1,4-Dihydropyridines on Heterogeneous Sulfonic-modified Silica (SBA-15-SO3H) Catalyst Under Mild Condition
    Hung, Tran Quang
    Van Phuc, Ban
    Loan, Pham Thi Thanh
    Nhi, Do Thi Lan
    Nguyen, Hien
    Vu, Hoan Xuan
    Do, Dang Van
    Dang, Tuan Thanh
    CURRENT ORGANIC SYNTHESIS, 2023, 20 (08) : 880 - 889
12345