Multifunctional Spirocyclic Systems
International Journal of Photoenergy, 2009 New spiropyrans with different substituents in the benzopyran fragment have been synthesized and investigated. It was shown that introduction of aldehyde group in the structure of spiropyrans gives a possibility to obtain new functionalized compounds ...
Boris Lukyanov +7 more
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Molecules, 2012 The in vitro antioxidant activities of eight 3-carboxycoumarin derivatives were assayed by the quantitative 1,1-diphenyl-2-picrylhydrazil (DPPH•) radical scavenging activity method.
Maria Teresa Sumaya-Martínez +6 more
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Computer programs for calculating pKa: a comparative study for 3-(3-(2-nitrophenyl)prop-2-enoyl)-2H-1-benzopyran-2-one [PDF]
Journal of the Serbian Chemical Society, 2010 Coumarin-based compounds containing a chalcone moiety exhibit antimicrobial activity. These substances are potential drugs and it is important to determine their pKa values. However, they are almost insoluble in water.
SELMA ŠPIRTOVIĆ-HALILOVIĆ +1 more
doaj
Characterization of the xiamenmycin biosynthesis gene cluster in Streptomyces xiamenensis 318.
PLoS ONE, 2014 Xiamenmycin (1) is a prenylated benzopyran derivative with anti-fibrotic activity. To investigate the genetic basis of xiamenmycin biosynthesis, we performed genome mining in the xiamenmycin-producing Streptomyces xiamenensis wild-type strain 318 to ...
Yong Yang +5 more
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Green and practical synthesis of benzopyran and 3-sunstituted coumarin derivatives by Brønsted acid ionic liquid [(CH2)4SO3HMIM][HSO4] [PDF]
, 2011 Different benzopyran and 3-substituted coumarin derivatives were synthesized by a green and practical procedure in the presence of catalytic amount of Brønsted acid ionic liquid (BAIL) [(CH2)4SO3HMIM][HSO4] in water.KEY WORDS: Benzopyran derivatives, 3 ...
Karimi, Narges +4 more
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Reaction of Resorcinol with Mesityl Oxide: Synthesis of 2,2-Dimethyl-4-formyl- 7-methoxy-(2H)-1-benzopyran [PDF]
, 2003 Synthesis of 2,2-dimethyl-4-formyl-7-methoxy-(2H)-1-benzopyran has been achieved by a three step reaction sequence, wherein the key step has been the preparation of 7-hydroxy-2,2,4-trimethyl-(2H)-1-benzopyran by a novel condensation reaction between ...
Khan, K. R. +2 more
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Journal of Enzyme Inhibition and Medicinal Chemistry, 2017 While progress has been made in treating cancer, cytotoxic chemotherapeutic agents are still the most widely used drugs and are associated with severe side-effects.
Jalisa H. Ferguson +6 more
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Green synthesis of 6-cyano-2,2-dimethyl-2-H-1-benzopyran and its subsequent enantioselective epoxidation [PDF]
, 2021 The clean synthesis of 6-cyano-2,2-dimethyl-2- H -1-benzopyran epoxide starting from 3-methyl-2-butenal is reported using recyclable catalysts. H₄PMo₁₁VO₄₀ (PMo₁₁V) and (PyH)₃HPMo₁₁VO₄₀ (Py₃ –PMo₁₁V) Keggin-type heteropolyacids were used to synthesize 6 ...
Vázquez, Patricia Graciela +6 more
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5′,6-Dichloro-1′,3′,3′-trimethylspiro[2H-1-benzopyran-2,2′-indoline]
Acta Crystallographica Section E, 2008 In the crystal structure of the title compound, C19H17Cl2NO, the indoline and benzopyran ring systems are approximately perpendicular to each other. The indoline ring is in an envelope conformation with the spiro C atom as the flap.
Nameer Alhashimy +3 more
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SYNTHESIS AND CHEMICAL CHARACTERIZATION OF BENZIMIDAZOLE FUSED BENZOPYRAN DERIVATIVES AND EVALUATION OF THEIR ANTI-BACTERIAL POTENCY [PDF]
, 2019 Benz-imidazole fused benzopyran derivatives were prepared by the reaction of 2-(1H-Benzo[d]Imidazol-2-yl)-1phenyl-1H-Benzo[f]chromeno-3-amine with different substituted benzaldehydes.
Rufaida Farheen *, Y. Rajesh Babu 1
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