Ultrasound‐Promoted Enantioselective Decarboxylative Protonation of α‐Aminomalonate Hemiesters by Chiral Squaramides: A Practical Approach to Both Enantiomers of α‐Amino Esters
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Organic Chemistry"
DOI: 10.1002/ejoc.201700786
Abstract: Ultrasound promoted enantioselelctive decarboxylative protonation reaction of α-aminomalonate hemiesters 1 in the presence of chiral cinchona-derived squaramide Bronsted bases under mild conditions afforded both the (S) and (R) enantiomers of α-amino acid derivatives 2 in… read more here.
Keywords: enantiomers amino; aminomalonate hemiesters; ultrasound promoted; decarboxylative protonation ... See more keywords
Ultrasound promoted synthesis, characterization and computational studies of some thiourea derivatives
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2020.128302
Abstract: Abstract Synthesis of some thiourea derivatives have been achieved by using ultrasound, the compounds have been characterised using IR, NMR, GC-MS and elemental analysis. The single crystal X-ray structure of N-[(benzyloxy)methanethioyl]benzamide (IV), 1-benzoyl-3-(2-hydroxyethyl)thiourea (V) and… read more here.
Keywords: ultrasound promoted; promoted synthesis; characterization computational; thiourea derivatives ... See more keywords
Ultrasound-promoted green approach for the synthesis of multisubstituted pyridines using stable and reusable SBA-15@ADMPT/H5PW10V2O40 nanocatalyst at room temperature
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DOI: 10.1080/17518253.2020.1797183
Abstract: ABSTRACT A facile one-pot protocol for the synthesis of 2-amino-3-cyanopyridins using SBA-15@Triazine/H5PW10V2O40 as an efficient catalyst under ultrasonic conditions has been developed. The nanohybrid catalyst was prepared by the chemical anchoring of Keggin heteropolyacid H5PW10V2O40… read more here.
Keywords: ultrasound promoted; admpt; promoted green; green approach ... See more keywords
Ultrasound-Promoted Abatement of Formaldehyde in Liquid Phase with Electrospun Nanostructured Membranes: The Synergy of Combined AOPs
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DOI: 10.3390/nano13030435
Abstract: The present work investigates the effect of ultrasounds in the performance of combined advanced oxidation processes (AOPs) on the degradation of formaldehyde (HCHO)-polluted aqueous solutions for potential application in wastewater treatment. Different heterogeneous nanostructured catalysts… read more here.
Keywords: ultrasound promoted; effect; fenton process; promoted abatement ... See more keywords