Carbon-based leaving group capability of Meldrum’s acid in substitution reactions: a new strategy toward the synthesis of 4-phenyl-3, 4-dihydro-2H-benzo[g]chromene-2, 5, 10-triones
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-017-1129-6
Abstract: An efficient and straightforward method for the synthesis of new 5,5′-(2-benzylidenemalonyl)bis(2,2-dimethyl-1,3-dioxane-4,6-dione) derivatives by the reaction of Meldrum’s acid and aldehydes under mild reaction conditions is reported. Furthermore, the leaving group potency of Meldrum’s acid molecules… read more here.
Keywords: leaving group; meldrum acid; toward synthesis; synthesis ... See more keywords
A novel dual-function bithiophene-Meldrum's acid based chemosensor for highly sensitive, colorimetric and fluorimetric detection of cyanide and hypochlorite and its applications
Sign Up to like & getrecommendations! Published in 2020 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2020.108459
Abstract: Abstract A dual-function bithiophene-Meldrum's acid based chemosensor 2TM was developed, which displayed ultrafast, colorimetric and fluorescence turn-on responses for CN− and ClO− with specific selectivity and high sensitivity. The sensor 2TM for CN− detection in… read more here.
Keywords: function bithiophene; detection; acid based; dual function ... See more keywords
Electrochemical oxidation of urazoles in the presence of Meldrum’s acid derivatives: Synthesis of new urazole species, experimental and computational study
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Electroanalytical Chemistry"
DOI: 10.1016/j.jelechem.2021.115057
Abstract: Abstract In this work, the electrochemical oxidation of 4-phenylurazole (1) and 4-(4-aminophenyl) urazole (2) in the presence of some Meldrum’s acid derivatives as nucleophiles was studied. Some new urazole derivatives were synthesized in water-ethanol (70:30… read more here.
Keywords: oxidation; electrochemical oxidation; presence meldrum; meldrum acid ... See more keywords
Rhodium-catalyzed directed C–H functionalization of 2-arylindazoles with diazotized Meldrum's acid
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Organometallic Chemistry"
DOI: 10.1016/j.jorganchem.2021.122009
Abstract: Abstract A rhodium-catalyzed alcohol-mediated ortho-functionalization of 2-aryl-2H-indazoles through sequential C-H activation and carbenoid insertion with diazotized Meldrum's acid was developed. Using the 2H-indazole as the directing group and alcohol as the alkyl source, a series… read more here.
Keywords: catalyzed directed; rhodium catalyzed; diazotized meldrum; functionalization ... See more keywords
Vitrimeric Silicone Elastomers Enabled by Dynamic Meldrum’s Acid-Derived Cross-Links
Sign Up to like & getrecommendations! Published in 2018 at "ACS Macro Letters"
DOI: 10.1021/acsmacrolett.8b00166
Abstract: Current vitrimer technology uses only a handful of distinct reactions for cross-linking. New dynamic reactions can diversify vitrimer functionality and properties. In this paper, reversible cross-links formed by conjugate addition–elimination of thiols with a Meldrum’s… read more here.
Keywords: cross links; vitrimeric silicone; meldrum acid; elastomers enabled ... See more keywords
Polymerization of Meldrum’s Acid and Diisocyanate: An Effective Approach for Preparation of Reactive Polyamides and Polyurethanes
Sign Up to like & getrecommendations! Published in 2019 at "ACS Omega"
DOI: 10.1021/acsomega.9b00777
Abstract: Meldrum’s acid (MA) is utilized as a monomer to polymerize with diisocyanates to result in polyamides, containing MA moieties at polymer chains. This reaction is also employed to prepare isocyanate-terminated polyamide segments which are utilized… read more here.
Keywords: reactive polyamides; polyamides polyurethanes; preparation reactive; meldrum acid ... See more keywords
Meldrum’s Acid Modified Cellulose Nanofiber-Based Polyvinylidene Fluoride Microfiltration Membrane for Dye Water Treatment and Nanoparticle Removal
Sign Up to like & getrecommendations! Published in 2017 at "ACS Sustainable Chemistry & Engineering"
DOI: 10.1021/acssuschemeng.6b02952
Abstract: The work presented here aims to study and compare the performance of a polyvinylidene fluoride (PVDF) electrospun membrane, unmodified cellulose nanofiber (CNF) based PVDF membrane, and Meldrum’s acid (2,2-dimethyl-1,3-dioxane-4,6-dione) modified CNF-based PVDF membranes against the… read more here.
Keywords: meldrum acid; membrane; cellulose nanofiber; polyvinylidene fluoride ... See more keywords
Synthesis of Spiro Barbiturates and Meldrum’s Acid Derivatives via a [2+2+2] Cyclotrimerization
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DOI: 10.1055/s-0037-1610238
Abstract: Intermolecular [2+2+2] cycloaddition of propargyl halides with 1,6-diynes was accomplished with a catalytic amount of Mo(CO)6 to generate benzyl halo barbiturates and Meldrum’s acid derivatives containing a spiro linkage. Furthermore, we have extended this methodology… read more here.
Keywords: meldrum acid; barbiturates meldrum; derivatives via; acid derivatives ... See more keywords
Crystal Structure, Photophysical Study, Hirshfeld Surface Analysis, and Nonlinear Optical Properties of a New Hydroxyphenylamino Meldrum’s Acid Derivative
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28052181
Abstract: The structural, photophysical, and vibrational properties of a new hydroxyphenylamino Meldrum’s acid derivative, 3-((2-hydroxyphenylamino)methylene)-1,5-dioxaspiro[5.5]undecane-2,4-dione (HMD), were studied. The comparison of experimental and theoretical vibrational spectra can help understand basic vibration patterns and provides a better… read more here.
Keywords: properties new; hydroxyphenylamino meldrum; meldrum acid; hydroxyphenylamino ... See more keywords