Synthesis of New Naturally Occurring 4-Phenyl-2H-1-benzopyran-2-ones
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چکیده
منابع مشابه
Synthesis and Bioevaluation of 4-[(2/4-chloro-/2, 3-dichloro-/2/4-bromo-/2, 4-dinitro-/4-nitrophenyl) Anilinomethyl]-6-t-butyl-2H-1-benzopyran-2-ones
Synthesis of 4-[(2/4-chloro-/2,3-dichloro-/2/4-bromo-/2,4-dinitro-/4-nitrophenyl) anilinemethyl]6-t-butyl-2H-1-benzopyran-2-ones have been carried out. Synthesized compounds were characterized by 1HNMR, IR and other physical and analytical data. All of the synthesized compounds were evaluated for their antifungal activity against Aspergillus awamori and Sclerotium rolfsii and antibacterial acti...
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In the title compound, C(16)H(11)F(3)O(2), the γ-pyran-one ring adopts an envelope conformation with the chiral C atom standing out of the ring plane. In the crystal, molecules are linked by C-H⋯O and C-H⋯F inter-actions.
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Complexes of 3-[{3-(3'-bromo phenyl)}-prop-2-enoyl]-4-hydroxy-6-methyl-2H-chromen-2-one with Cu(II), Ni(II), Fe(II), Co(II) and Mn(II) have been synthesized and characterized using elemental analysis, IR spectra and conductivity measurements. These studies revealed that they are having octahedral geometry of the type [ML2 (H2O)2]. In-vitro antimicrobial activity of all synthesized compounds and...
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The reaction of 6-formyl-7-hydroxy-5-methoxy-2-methylbenzopyran-4-one with dimethyl acetylenedicarboxylate and benzil gave the respective 4H,6H-pyrano[3,2-g]chromene and imidazolylbenzopyran derivatives. Treatment of the imidazolylbenzopyran with hydrazine hydrate or hydroxylammonium chloride yielded imidazolylpyrazolylor imidazolylisoxazolylbenzenes, while the alkaline hydrolysis of imidazolyl...
متن کاملAnticonvulsant Activities of 4-benzylidene-6-(4-methyl-phenyl)-4,5- dihydropyridazin-(2H)-ones and 4-benzylidene-6-(4-chloro- phenyl)-4,5-dihydropyridazin-(2H)-ones
RESEARCH ARTICLE Anticonvulsant Activities of 4-benzylidene-6-(4-methyl-phenyl)-4,5dihydropyridazin-(2H)-ones and 4-benzylidene-6-(4-chlorophenyl)-4,5-dihydropyridazin-(2H)-ones Mohammad Asif and Anita Singh Department of Pharmacy, GRD (P.G) Institute of Management and Technology, Dehradun, 2480009, India Department of Pharmaceutical Sciences, Kumaun University Campus, Bhimtal, Nainital, India
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ژورنال
عنوان ژورنال: Bulletin of the Chemical Society of Japan
سال: 1988
ISSN: 0009-2673,1348-0634
DOI: 10.1246/bcsj.61.2277