American Journal of Heterocyclic Chemistry

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Volume 5, Issue 2, June 2019

  • Synthesis of Novel Pyrimido Thiazine and Their Derivatives

    Sirsat Shivraj Balajirao, Jadhav Anilkumar Govindrao, Kale Prashant Sambharao, Jadhav Madhav Sopanrao

    Issue: Volume 5, Issue 2, June 2019
    Pages: 23-26
    Received: 18 May 2019
    Accepted: 19 June 2019
    Published: 29 June 2019
    DOI: 10.11648/j.ajhc.20190502.11
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    Abstract: In present report novel thiazines were prepared from starting materials chalcone and thiourea. The resulting compound 6-(4-methoxyphenyl) 4-phenyl-6H-1, 3-thiazin-2-amine (2) was further reacted with ethyl 2-cyano-3, 3-bis (methylthio) acrylate in the presence of catalytic amount of potassium carbonate in DMF under reflux condition that offered nov... Show More
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  • Antimicrobial Activity of Mn Complexes Incorporating Schiff Bases: A Short Review

    Sharif Uddin, Md. Saddam Hossain, Md. Abdul Latif, Md. Rabiul karim, Ranjan K. Mohapatra, Md. Kudrat-E-Zahan

    Issue: Volume 5, Issue 2, June 2019
    Pages: 27-36
    Received: 8 May 2019
    Accepted: 12 June 2019
    Published: 1 July 2019
    DOI: 10.11648/j.ajhc.20190502.12
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    Abstract: Antibiotic resistance has been growing at an anxious rate and as a result the activity of antibiotics against Gram-negative and Gram-positive bacteria has dropped dramatically day by day. Metal ions play many critical functions in humans. Deficiency of some metal ions can lead to disease like pernicious anemia, growth retardation, heart disease in ... Show More
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  • Synthesis, Spectrometric Characterization, X-Ray Crystallography and Quantum Chemical Calculations of 2-oxo-2H-chromen-7-yl Propionate

    Akoun Abou, Abdoulaye Djandé, Bintou Sessouma, Rita Kakou Yao, Olivier Ouari, Adama Saba

    Issue: Volume 5, Issue 2, June 2019
    Pages: 37-48
    Received: 17 June 2019
    Accepted: 12 July 2019
    Published: 24 July 2019
    DOI: 10.11648/j.ajhc.20190502.13
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    Abstract: The title compound, (I), has been solved by direct methods and refined to a final R value of 0.038 for 1835 independent reflections. In the structure, the planar [r.m.s deviation = 0.014 Å] chromen-2-one ring and the 7-propionate side chain are inclined to one another at an acute angle of 65.34(9)°. The molecules form R44 (30) tetrameric units via ... Show More
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