SYNTHESIS OF SOME NOVEL BENZOPYRANES DERIVATIVES AND EVALUATION THEIR BIOLOGICAL ACTIVITY

Authors

  • Hatem Abdel Moniem Ahmed Naif Arab University for Security Sciences

Abstract

ABSTRACT
Benzopyran (chromene) is one of the privileged medicinal pharmacophore, which appears as an important structural component in natural
compounds and generated great attention because of their interesting biological activity. The derivatives of benzopyran moiety can be capable of
interacting with a variety of cellular targets which leads to their wide ranging biological activities such as antitumor, antihepatotoxic, antioxidant, antiinflammatory,
diuretic, anticoagulant, antispasmolytic, estrogenic, antiviral, antifungal, antimicrobial, anti-helminthic, hypothermal, vasodilatory,
anti-HIV, antitubercular, herbicidal, anticonvulsant and analgesic activity. In the present study the synthesis of substituted benzopyran derivatives
have been reported as one-pot reaction by reaction of 2-chlororesorcinol with malononitrile in the presence and aldehydes or ketones. The produced
products were led to react with formamide to produce pyrimidochromene. Aminochromene-2-carbonitrile was converted into the corresponding
imidate, which in turn converted upon treatment withhydrazine or ammonia to the corresponding amidine. The produced amidines were cyclized into
the pyrimidochromene derivatives. The synthesized compounds have been characterized by TLC, Elemental analysis, IR and 1H-NMR Spectroscopy.
Some of the synthesized compounds in this work were chosen and screened in vitro for their antimicrobial and anti-fungal activity against some
strains of bacteria and fungi. The antibacterial and anti-fungal activities of synthesized compounds were compared with antibacterial and anti-fungal
activity of the standard antibiotics Chloramphenicol and Sertaconazol. The most of the tested compounds revealed antibacterial and antifungal
properties. This review is summarized to know about the different pharmacological activities of chromene nucleus with the extended knowledge
about its antimicrobial and antifungal activity.
Keywords: 2-Chlororesorcinol, Pyrimidochromene, Amidines, antimicrobial and antifungal activity.

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Author Biography

Hatem Abdel Moniem Ahmed, Naif Arab University for Security Sciences

Chemistry department, organic chemistry

References

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Published

01-07-2015

How to Cite

Ahmed, H. A. M. “SYNTHESIS OF SOME NOVEL BENZOPYRANES DERIVATIVES AND EVALUATION THEIR BIOLOGICAL ACTIVITY”. Asian Journal of Pharmaceutical and Clinical Research, vol. 8, no. 4, July 2015, pp. 7-12, https://mail.innovareacademics.in/journals/index.php/ajpcr/article/view/5895.

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Review Article(s)