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Aqueous solutions with information on solids: room-temperature phosphorescence of polysaccharide-benzophenone complexes.
Okuno M, Yamana K, Kawasaki R, Konishi Y, Ono T, Ishi-I T, Ikeda A. Okuno M, et al. RSC Adv. 2023 Jan 26;13(6):3528-3533. doi: 10.1039/d2ra08205e. eCollection 2023 Jan 24. RSC Adv. 2023. PMID: 36756551 Free PMC article.
To easily modify their phosphorescence properties, we prepared phosphorescence-emitting aqueous solutions of polysaccharide-benzophenone and polysaccharide-4,4'-difluorobenzophenone complexes, which exhibit excellent biocompatibility and biodegradability....
To easily modify their phosphorescence properties, we prepared phosphorescence-emitting aqueous solutions of polysaccharide-benzophenone and …
Synthesis and Characterization of a Self-Polycondensation Diazaphthalanone Monomer and Its Polymers from Polycondensation Reactions.
Liu X, Zhang X, Jiang J, Jia H, Jian X, Wang J. Liu X, et al. Polymers (Basel). 2022 Sep 19;14(18):3904. doi: 10.3390/polym14183904. Polymers (Basel). 2022. PMID: 36146049 Free PMC article.
In order to further explore the activity of monomers, novel copolymerized poly(aryl ether ketone) (PBCD) containing a nitrogenous heterocyclic polyaromatic ether structure was prepared by ternary copolymerization with 4,4-difluorobenzophenone (DFBP) and bisph …
In order to further explore the activity of monomers, novel copolymerized poly(aryl ether ketone) (PBCD) containing a nitrogenous heterocycl …
Liquid chromatography coupled with photodiode array and a multivariate curve resolution - Alternating least square algorithm for identification and quantification of co-eluting impurities in pharmaceutical analysis.
Vecchietti D, Nishio A, Fujita Y, Yoshida T, Yanagisawa T, Kou D. Vecchietti D, et al. J Chromatogr A. 2022 Aug 16;1678:463364. doi: 10.1016/j.chroma.2022.463364. Epub 2022 Jul 22. J Chromatogr A. 2022. PMID: 35914409
The identification rate and quantitation accuracy were not affected by the spectral similarity of the molecules, as comparable results were obtained by analyzing two molecules with low similarity (4,4-difluorobenzophenone and valerophenone) and two molecules …
The identification rate and quantitation accuracy were not affected by the spectral similarity of the molecules, as comparable results were …
Investigation of the Reaction between a Homemade PEEK Oligomer and an Epoxy Prepolymer: Optimisation of Critical Parameters Using Physico-Chemical Methods.
Stampfer L, Bouilhac C, Mérian T, Chabert F, Djilali T, Nassiet V, Habas JP. Stampfer L, et al. Polymers (Basel). 2024 Mar 11;16(6):764. doi: 10.3390/polym16060764. Polymers (Basel). 2024. PMID: 38543370 Free PMC article.
First, we describe the synthesis of a poly(ether ether ketone) oligomer (oPEEK) with hydroxyl terminations from the reaction of hydroquinone and 4,4'-difluorobenzophenone in N-methyl-2-pyrrolidone. Then, the main physicochemical properties of this oligomer we …
First, we describe the synthesis of a poly(ether ether ketone) oligomer (oPEEK) with hydroxyl terminations from the reaction of hydroquinone …
A Redox-Active Heterobimetallic N-Heterocyclic Carbene Based on a Bis(imino)pyrazine Ligand Scaffold.
Regenauer NI, Jänner S, Wadepohl H, Roşca DA. Regenauer NI, et al. Angew Chem Int Ed Engl. 2020 Oct 19;59(43):19320-19328. doi: 10.1002/anie.202005865. Epub 2020 Aug 28. Angew Chem Int Ed Engl. 2020. PMID: 32672368 Free PMC article.
The reversible redox process was then applied in the catalytic hydrosilylation of 4,4'-difluorobenzophenone, where the reaction rate could be reversibly controlled as a function of the catalyst oxidation state. ...
The reversible redox process was then applied in the catalytic hydrosilylation of 4,4'-difluorobenzophenone, where the …
Role of the NH2 functionality and solvent in terdentate CNN alkoxide ruthenium complexes for the fast transfer hydrogenation of ketones in 2-propanol.
Baratta W, Ballico M, Esposito G, Rigo P. Baratta W, et al. Chemistry. 2008;14(18):5588-95. doi: 10.1002/chem.200701870. Chemistry. 2008. PMID: 18384028
The cationic alcohol complex [Ru(CNN)(dppb)(iPrOH)](BAr(f)4) (6; Ar(f)=3,5-C6H3(CF3)2), obtained from 1, Na[BAr(f)4], and 2-propanol, reacts with NaOiPr to afford 5. Complex 5 reacts with either 4,4'-difluorobenzophenone through hydride 2 or with 4,4'-difluor …
The cationic alcohol complex [Ru(CNN)(dppb)(iPrOH)](BAr(f)4) (6; Ar(f)=3,5-C6H3(CF3)2), obtained from 1, Na[BAr(f)4], and 2-propanol, reacts …
New benzo[h]quinoline-based ligands and their pincer Ru and Os complexes for efficient catalytic transfer hydrogenation of carbonyl compounds.
Baratta W, Ballico M, Baldino S, Chelucci G, Herdtweck E, Siega K, Magnolia S, Rigo P. Baratta W, et al. Chemistry. 2008;14(30):9148-60. doi: 10.1002/chem.200800888. Chemistry. 2008. PMID: 18803204
Reaction of the chloride 2 and 12 with NaOiPr in 2-propanol/toluene afforded the hydride complexes [MH(CN'N)(dppb)] (M=Ru 10, Os 14), through elimination of acetone from [M(OiPr)(CN'N)(dppb)] (M=Ru 9, Os 13). The species 9 and 13 easily reacted with 4,4'-difluoro …
Reaction of the chloride 2 and 12 with NaOiPr in 2-propanol/toluene afforded the hydride complexes [MH(CN'N)(dppb)] (M=Ru 10, Os 14), throug …
Preparation of Amorphous Poly(aryl ether nitrile ketone) and Its Composites with Nano Hydroxyapatite for 3D Artificial Bone Printing.
Gao X, Wang H, Zhang X, Gu X, Liu Y, Zhou G, Luan S. Gao X, et al. ACS Appl Bio Mater. 2020 Nov 16;3(11):7930-7940. doi: 10.1021/acsabm.0c01044. Epub 2020 Oct 28. ACS Appl Bio Mater. 2020. PMID: 35019533
Here an amorphous poly(aryl ether ketone) for 3D bone printing, PEK-CN, was designed and synthesized via nucleophilic substitution from 4,4'-difluorobenzophenone, phenolphthalein and 2,6-dichlorobenzonitrile, which possessed much stronger interlayer strength …
Here an amorphous poly(aryl ether ketone) for 3D bone printing, PEK-CN, was designed and synthesized via nucleophilic substitution from 4 …
Sulfonated Binaphthyl-Containing Poly(arylene ether ketone)s with Rigid Backbone and Excellent Film-Forming Capability for Proton Exchange Membranes.
Zhang W, Chen S, Chen D, Ye Z. Zhang W, et al. Polymers (Basel). 2018 Nov 19;10(11):1287. doi: 10.3390/polym10111287. Polymers (Basel). 2018. PMID: 30961212 Free PMC article.
Sterically hindered (S)-1,1'-binaphthyl-2,2'-diol had been successfully copolymerized with 4,4'-sulfonyldiphenol and 4,4'-difluorobenzophenone to yield fibrous poly(arylene ether ketone)s (PAEKs) containing various amounts of binaphthyl unit, which was then s …
Sterically hindered (S)-1,1'-binaphthyl-2,2'-diol had been successfully copolymerized with 4,4'-sulfonyldiphenol and 4,4'-d …
Influence of chemical structure on hydration and gas transport mechanisms of sulfonated poly(aryl ether ketone) membranes.
Simon S, Espuche E, Gouanvé F, Chauveau E, Marestin C, Mercier R. Simon S, et al. J Phys Chem B. 2012 Oct 25;116(42):12750-9. doi: 10.1021/jp305541y. Epub 2012 Oct 12. J Phys Chem B. 2012. PMID: 23061717
These polymers were synthesized by direct copolymerization of two specific sulfonated precursors, bisphenol AF and 4,4'-difluorobenzophenone. The morphology of the membranes was studied by transmission electron microscopy, and the thermal properties of the io …
These polymers were synthesized by direct copolymerization of two specific sulfonated precursors, bisphenol AF and 4,4'-dif …
17 results