Photochemical Transformations of Tetrazole Derivatives: Applications in Organic Synthesis [PDF]
, 2010 Tetrazoles remain a challenge to photochemists. Photolysis leads to cleavage of the tetrazolyl ring, may involve various photodegradation pathways and may produce a diversity of photoproducts, depending on the structure and conformational flexibility of
Amin Ismael +18 more
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E-Journal of Chemistry, 2012 1,3,5-Triaryl-2-pyrazolines were synthesized in acetic acid in high yields within 60-180 min under ultrasound irradiation at room temperature.
Zhi-Ping Lin, Ji-Tai Li
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Evaluation of the anti-inflammatory effect of chalcone and chalcone analogues in a zebrafish model [PDF]
, 2013 [[abstract]]The aim of this study was to investigate novel chalcones with potent anti-inflammatory activities in vivo. Chalcone and two chalcone analogues (compound 5 and 9) were evaluated using a caudal fin-wounded transgenic zebrafish line “Tg(mpx:gfp)”
Chi-Chung Wen +5 more
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Beilstein Journal of Organic Chemistry, 2007 BackgroundPyrazoline derivatives have been found to possess a broad spectrum of biological activities. Among various pyrazoline derivatives, 2-pyrazolines seem to be the most frequently studied. A variety of methods have been reported for the preparation
Ji-Tai Li, Xiao-Hui Zhang, Zhi-Ping Lin
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Transient Brewster angle reflectometry of spiropyran monolayers [PDF]
, 2010 Brewster angle reflectometry has been developed as a tool for determining the absorbance and refractive index changes in molecular monolayers containing spiropyran. The method is sensitive to changes in both the real and imaginary parts of the refractive
Aarts +42 more
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SYNTHESIS AND CHARACTERIZATION OF [(5-MERCAPTO-1,3,4-OXADIAZOL-2-YL)ARYL]-3,5-DIARYL-4,5-DIHYDRO-1H-PYRAZOLE-1-CARBOTHIOAMIDES [PDF]
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2011 The synthesis and characterization of [(5-mercapto-1,3,4-oxadiazol-2-yl)aryl]-3,5-diaryl-4,5-dihydro-1Hpyrazole-1-carbothioamides - derivatives of pyrazolines and 5-[4(3)-isothiocyanatophenyl]-2-thio-1,3,4-oxadiazoles were realized.
Zinaida Ribkovskaia +3 more
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Heterociklusos vegyületek szelektív szintézise telítetlen ketonok reakcióival = Selective synthesis of heterocyclic compounds by the reactions of unsaturated ketones [PDF]
, 2009 Kalkonok, (3-kumarinil)-kalkonok, valamint dehidroecetsavból nyert telítetlen ketonok és hidrazinok reakciójával új 2-pirazolinokat szintertizáltunk. E vizsgálatok körében kiemelendők a (karboxi-fenil)-hidrazinok és ezen telítetlen ketonok erekakciónak ...
Jekö, József, Lévai, Albert
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Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives [PDF]
Health Science MonitorBackground & Aims: In this research, a novel series of heterocyclic compounds containing pyrazoline nuclei was synthesized in two steps. Materials & Methods: In the first step, chalcones were prepared using the Claisen-Schmidt reaction between ...
Sevda Afzal-Ahangaran +2 more
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Синтез нових біс-a, b-ненасичених похідних 4-метилциклогексанону - напівпродуктів для одержання біологічно активних гетероциклів [PDF]
, 2004 Одержано низку нових біс-a, b-ненасичених кетонів конденсацією 4-метилциклогексанону з ароматичними та гетероциклічними альдегідами. Досліджено їх фізичні та спектральні властивості; показана можливість їх застосування для синтезу нових п`ятичленних ...
Листван, В. В.
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Preparation and characterization of some heterocyclic compounds derivatives as active hypoglycemic from Chalcones [PDF]
Mirror of Research in Veterinary Sciences and Animals, 2018 This study aimed to synthesis and characterize heterocyclic compounds Pyrazolines and pyrimidine as hypoglycemic drugs. These compounds prepared by reacting hydrazine, urea, and thiourea with the appropriate Chalcones 2(a-f), using ethanol solvent and ...
Zainab, Y. Kadhim
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