A solvent-free Diels-Alder reaction of graphite into functionalized graphene nanosheets [PDF]
, 2014 A solvent-free Diels-Alder reaction was carried out by heating a mixture of graphite and a typical dienophile, maleic anhydride (MA) or maleimide (MI), in a sealed glass ampoule of argon.
Baek, Jong-Beom, Seo, Jeong-Min
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Synthesis of novel β-aminocyclobutanecarboxylic acid derivatives by a solvent-free aza-Michael addition and subsequent ring closure [PDF]
, 2011 Novel beta-aminocyclobutanecarboxylic acid derivatives were prepared via a sequential solvent-free aza-Michael addition of benzophenone imine across 3-halopropylidenemalonates and base-induced ring closure.
Aitken +44 more
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Indonesian Journal of Chemistry, 2014 The roles of counterions, solvent types and extraction temperatures on the selectivity of 18-crown-6 (L) toward alkaline earth salts MX2 (M = Ca, Sr, Ba; X = Cl-, NO3-) have been studied by density functional method at B3LYP level of theory in gas and ...
Saprizal Hadisaputra +3 more
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Synthesis of 1,4-Disubstituted Mono and Bis-triazolocarbo-acyclonucleoside Analogues of 9-(4-Hydroxybutyl)guanine by Cu(I)-Catalyzed Click Azide-Alkyne Cycloaddition [PDF]
, 2011 A series of novel mono-1,2,3-triazole and bis-1,2,3-triazole acyclonucleoside analogues of 9-(4-hydroxybutyl)guanine was prepared via copper(I)-catalyzed 1,3-dipolar cycloaddition of N-9 propargylpurine, N-1-propargylpyrimidines/as-triazine with the ...
Engels, Joachim W. +2 more
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SOLVENT FREE SYNTHESIS OF CHALCONE AS ANTIBACTERIAL SUBSTANCE
Alchemy, 2017 The aims of this study was to synthesize a compound of 3-methoxy-4-hydroxychalcone through Claisen-Schmidt condensation with grinding technique (solvent-free). Vanillin, acetophenone and 60 % NaOH catalyst used in this synthesis.
Susy Yunita Prabawati +2 more
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Rhodium/phospholane-phosphite catalysts give unusually high regioselectivity in the enantioselective hydroformylation of vinyl arenes [PDF]
, 2014 Using the phospholane-phosphite ligand, BOBPHOS, almost perfect regioselectivities and high enantioselectivities (up to 92% ee) are observed in Rh catalysed enantioselective hydroformylation of vinyl arenes.
Clarke, Matthew L. +3 more
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Selective Stobbe condensation under solvent-free conditions [PDF]
, 2000 Solvent-free condensation of cyclohexanone (1) and diethyl succinate (2) in the presence of ButOK at room temperature gives cyclohexylidenesuccinic acid (3), while heating a mixture of 1, 2 and ButOK at 80 °C gives only cyclohexenylsuccinic acid (4)
Sugino Teizo +5 more
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Development of solvent-free synthesis of hydrogen-bonded supramolecular polyurethanes [PDF]
, 2015 In this work we describe the solvent free synthesis of supramolecular polyurethanes held together by heterocomplementary triple hydrogen bonding. We perform a systematic evaluation on the base catalyzed synthesis of small molecule ureas and carbamates ...
Aida +56 more
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EXTRACTION OF PALM OIL’S FREE FATTY ACIDS BY TRIETHYLAMMINE (TEA) IN POLAR-NONPOLAR MIX-SOLVENT
Indonesian Journal of Chemistry, 2010 Palm oil contains unsaturated fatty acids that can be oxidated and can make rancidity of the palm oil. One of the trigliserida degradation products is free fatty acid. The usage of triethylammine (TEA) in the polar-nonpolar mix solvents could enhance the
Endang Astuti +2 more
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Extrusion - back to the future: using an established technique to reform automated chemical synthesis [PDF]
, 2016 YesHerein, the benefits which extrusion can provide for the automated continuous synthesis of organic compounds are highlighted. Extrusion is a well-established technique that has a vital role in the manufacturing processes of polymers, pharmaceuticals ...
Crawford, Deborah E.
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