The potential of employing substituted bis[3-hydroxy-2-(pyrimidin-2-yl)-2Н-pyrazol-4-yl]methane for the synthesis of symmetrical N,O-macroheterocycles with a dioxacycloalkane central fragment
Sign Up to like & getrecommendations! Published in 2018 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/s10593-019-02409-5
Abstract: O-cyclialkylation of substituted bis[3-hydroxy-2-(pyrimidin-2-yl)-2H-pyrazol-4-yl]methane by α,ω-dibromoalkanes with a hydrocarbon chain length of up to three CH2 groups has been carried out. A novel pyrazolophane, 1,6-dioxacycloundecane with symmetrically annulated fragments of 1-(pyrimidin-2-yl)-1H-pyrazole, was isolated and characterized… read more here.
Keywords: pyrazol; pyrimidin pyrazol; substituted bis; hydroxy pyrimidin ... See more keywords
Chemical constituents of the extracts of the knotwood of Pinus roxburghii Sarg. and their antioxidant activity
Sign Up to like & getrecommendations! Published in 2019 at "Russian Chemical Bulletin"
DOI: 10.1007/s11172-019-2703-0
Abstract: Chemical composition of the extract from the Pinus roxburghii Sarg. knotwood was studied for the first time. The extracts were obtained by ultrasound assisted sequential extraction of knotwood with hexane, acetone—water (95 : 5, v/v),… read more here.
Keywords: pinus roxburghii; chemical; hydroxy methoxybenzyl; bis hydroxy ... See more keywords
Synthesis, characterization, computational, conductometric titration and DNA binding studies of N′1,N′2‑bis(3‑hydroxy‑5,5‑dimethylcyclohex‑2‑en‑1‑ylidene)oxalohydrazide complexes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2019.111030
Abstract: Abstract A series of Co(II), Ni(II) and Cu(II) complexes were synthesized with N′1,N′2‑bis(3‑hydroxy‑5,5‑dimethylcyclohex‑2‑en‑1‑ylidene)oxalohydrazide (H4DOX). The geometry of isolated solid compounds was discussed by various spectroscopic methods. The optimized structures of complexes were confirmed by applying… read more here.
Keywords: hydroxy dimethylcyclohex; bis hydroxy; dimethylcyclohex ylidene; ylidene oxalohydrazide ... See more keywords
Physicochemical studies of synthesized biscoumarin [3,3-(phenylmethylene)bis(4-hydroxy-2H-chromen-2-one)] in DMSO and various percentage compositions of ethanol in DMSO from 288.15 to 313.15 K
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2021.115891
Abstract: Abstract Density, speed of sound and viscosity for varying concentrations of 3,3-(phenylmethylene)bis(4-hydroxy-2H-chromen-2-one) in DMSO and solvent media containing (5, 10, 15, 20, 25)% w/w of ethanol in DMSO have been measured. These properties have been… read more here.
Keywords: bis hydroxy; dmso; chromen one; one dmso ... See more keywords
Synthesis, characterization and molecular modeling of binuclear Pd(II) and Ir(IV) complexes with bis [4-hydroxy-6-methyl-3-{(1E)-N-[2-(ethylamino)ethyl]ethanimidoyl}-2H-pyran-2-one]: Application to detection of glucose
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2018.05.075
Abstract: Abstract Two binuclear Pd (II) and Ir(IV) complexes with new bis [4-hydroxy-6-methyl-3-{(1E)-N-[2-(ethylamino) ethyl] ethanimidoyl}-2H-pyran-2-one] ligand (Schiff base: L) have been prepared and characterized by elemental analysis, ESI-MS, conductivity, NMR (1H NMR, 13C NMR, COSY-NMR, HMBC-NMR… read more here.
Keywords: ethylamino ethyl; hydroxy methyl; geometry; methyl ethylamino ... See more keywords
The effect of temperature on the growth of Ag2O nanoparticles and thin films from bis(2-hydroxy-1-naphthaldehydato)silver(I) complex by the thermal decomposition of spin–coated films
Sign Up to like & getrecommendations! Published in 2017 at "Materials Science in Semiconductor Processing"
DOI: 10.1016/j.mssp.2017.07.015
Abstract: Abstract Bis (2-hydroxy-1-naphthaldehydato)silver(I) complex (Ag-HNA) was prepared through the reaction of the ligand and silver nitrate. Silver oxide nanoparticles were synthesized via thermal decomposition at different temperatures by calcinating Ag complex inside a ceramic boat.… read more here.
Keywords: thin films; silver complex; bis hydroxy; silver ... See more keywords
EPR and 51V NMR studies of prospective anti-diabetic bis(3-hydroxy-4-pyridinonato)oxidovanadium(IV) complexes in aqueous solution and liposome suspensions
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Chemistry"
DOI: 10.1039/c7nj04678b
Abstract: We report EPR and 51V NMR characterization of vanadium(IV/V) species originating from bis(3-hydroxy-4-pyridinonato)oxidovanadium(IV) complexes in aqueous solution at pH 7.4, under aerobic conditions and along time. Since complexes possess variable hydrophilic/lipophilic balance and consequently different… read more here.
Keywords: 51v nmr; hydroxy pyridinonato; oxidovanadium complexes; pyridinonato oxidovanadium ... See more keywords
Preparation of high performance adhesives matrix based on epoxy resin modified by bis-hydroxy terminated polyphenylene oxide
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Adhesion Science and Technology"
DOI: 10.1080/01694243.2017.1407391
Abstract: Abstract A bis-hydroxy terminated polyphenylene oxide (MPPO) modification was tried for the purpose of simultaneously enhancing the processability and heat resistance of epoxy resin. The thermal stability, chemorheology, morphology and mechanical properties of epoxy-polyphenylene oxide… read more here.
Keywords: polyphenylene oxide; terminated polyphenylene; bis hydroxy; hydroxy terminated ... See more keywords