• In this acid-catalyzed trans esterification reaction, methyl benzoate (an ester ) is reacted with ethanol (an alcohol ) in the presence of sulfuric acid catalyst to produce ethyl benzoate and methanol . (ucla.edu)
  • Aldimines (generated in situ from aldehydes and amines) react readily with ethyl diazoacetate in the presence of 2 mol% of Bi(OTf) 3 in [bmim]PF 6 to produce the corresponding aryl aziridine carboxylates in high yields with excellent cis -diastereoselectivity. (organic-chemistry.org)
  • Additionally, each chain length was synthesized with both an ethyl ester and a tert-butyl ester hydrolytic group. (aiche.org)
  • N -Benzyl-7-azaspiro[4.5]decane-1-carboxylates ( 4a and 4b ) were prepared in a seven step synthesis starting from ethyl cyclopentanonecarboxylate ( 5 ). (heterocycles.jp)
  • A cyclohexenecarboxylate ester that is the ethyl ester of oseltamivir acid. (mcw.edu)
  • TSQ, Zinquin ethyl ester, and Dansylaminoethylcyclen are useful probes for these studies. (dojindo.com)
  • ETHYL 5-CHLORO-3-PHENYLINDOLE-2-CARBOXYLATE [1H-Indole-2-carboxylic acid, 5-chloro-3-phenyl-, ethyl ester]. (mpg.de)
  • Ethyl (RS)-9-fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-benzo[i, j]quinolizine-2-carboxylate (flumequine ethyl ester). (forextrading-madeeasy.com)
  • The rate of this charge shifting can be easily modified by the incorporation of different ester leaving groups and different distances between the ester and the tertiary amine groups. (aiche.org)
  • In our recent study [6], the side chain length was varied to include either one or two alkyl spacers denoted between the amine and the carboxylate/ester groups. (aiche.org)
  • An alkyl spacer length of one brings the pKa of each amine into the optimal range for endosomal buffering, and the hydrolytic ester can be easily modified to speed or slow charge switching. (aiche.org)
  • The NHS ester group of Sulfo NHS Acetate reacts with primary amines of protein in non-amine containing buffers at pH 7-9. (gbiosciences.com)
  • Reactive Amination Kit is designed to prepare amine-reactive esters of carboxylate groups for chemical labeling. (gbiosciences.com)
  • Sulfo-NHS is used to generate amine reactive esters from carboxylate groups and is primarily used to increase the efficiency of the carbodiimide EDC cross‐linking. (gbiosciences.com)
  • Fragmentation of PFB-fatty acid esters using negative chemical ionization (NCI) resulted in a reproducible loss of the PFB moiety giving a stable carboxylate anion (mass minus 1 amu). (cdc.gov)
  • IDT Azide modification uses an NHS ester functional group to attach an azide moiety at the 5', 3', or any internal position in an oligonucleotide. (idtdna.com)
  • The angelate D derives from a bifunctional isoprene unit whereas the esters E to G are derivatives of C 4 -diols exhibiting an angelic and an isobutyric acid moiety. (perfumerflavorist.com)
  • In this figure, the C-1 position of the ring is assigned to the carbon atom bonded to the ester moiety. (cdc.gov)
  • In the present work, we have functionalized isosorbide 5-methacrylate with various aromatic lignin-inspired esters to yield a series of isosorbide-2-aryl carboxylate-5-methacrylate monomers (ArIMAs) as single regioisomers. (lu.se)
  • Polymerizations were carried out by conventional free radical initiation to obtain the corresponding high molecular-weight poly(aryl carboxylate isosorbide methacrylate)s (PArIMAs). (lu.se)
  • The selection of phenyl carboxylate side groups included benzoate, p -cyanobenzoate, meta/para-methoxybenzoates, and different vanillic acid esters. (lu.se)
  • Its carboxylate ester derivatives are involved as an active component for the construction of amide moieties in peptide synthesis. (thomassci.com)
  • Other constituents include, to a much lesser extent, secondary long chain alcohols and complex mixtures of long chain carboxylate esters. (europa.eu)
  • In contrast, other pheromones may contain functional groups such as alcohols, esters, aldehydes, or olefins," said the Marketing Chief of Alfa Chemistry. (selfgrowth.com)
  • A specific overview regarding synthetic methodologies and properties of 6′-lactose-based surfactants is presented herein, particularly all the synthetic approaches to this class of lactose esters, such as enzymatic and traditional organic syntheses. (researchgate.net)
  • GABA-analogous Spirocyclic Amino Acid Esters, 5. (heterocycles.jp)
  • Hydrolysis and esterification of 15a and 15b led to the diastereomerically pure amino acid esters ( 4a and 4b ) which represent novel analogs of GABA with restricted conformational flexibility. (heterocycles.jp)
  • The optimised conditions for sugar fatty acid ester syntheses are 48 h at 2:1 of molar ratio of lactose sugar to capric acid at 55 °C. Furthermore, a high operational stability with half-lives of over 13 and 10 runs was achieved for NER-CRL and Amino-CRL, respectively, indicating the efficiency of the immobilisation process. (researchgate.net)
  • Briefly, carboxylic acid functionalized silica NPs were prepared from amino-modified silica NPs with glutaric anhydride in DMF and activated with EDC and NHS in an aqueous solution to obtain NHS ester-terminated silica NPs. (cdc.gov)
  • So giving an ester hydrolysis rule a score of 2 would give it a high priority but after an acid chloride hydrolysis reaction. (europa.eu)
  • To this end, palm oil, rendered from palm tree (species Elaeis guineensis), is treated with sodium hydroxide (in the form of caustic soda or lye), which causes hydrolysis of the ester groups, yielding glycerol and sodium palmitate. (hmdb.ca)
  • Esterified fatty acids were hydrolyzed from lipids such as triglycerides, phospholipids and cholesteryl esters using sequential treatment with acid then base. (cdc.gov)
  • It is also customary to designate the stereochemistry at the C-3 position as simply cis or trans relative to the ester group bonded to C-1 rather than assigning its absolute configuration. (cdc.gov)
  • Aminolysis of the β-keto ester ( 5 ) with benzylamine led to the β-keto amide ( 9 ) which gave the α-substituted β-keto amide ( 10 ) by addition of acrolein. (heterocycles.jp)
  • Citraconic anhydride reacts with primary amines and blocks them by creating an amide linkage and a terminal carboxylate. (gbiosciences.com)
  • Our study also reveals that dimetal-carboxylate halogenases are among the most abundant types of halogenating enzymes in the phylum Cyanobacteria. (biomedcentral.com)
  • DNA is first strongly complexed by cationic PCB-esters, but is efficiently released when ester degradation reveals the anionic carboxylate groups, rendering PCB zwitterionic and nontoxic. (aiche.org)
  • For example, if the substrate has an ester linkage, it is often hydrolyzed by very common esterases, found both extracellularly and intracellularly. (europa.eu)
  • Extending this work, immobilised lipases have novel capabilities in the synthesis of sugar esters. (researchgate.net)
  • They are esters that are both depsides and cyclic ethers. (wikipedia.org)
  • There is a group of oxime ethers that exhibits insecticidal activity similar in nature to the pyrethrins and pyrethroid esters (Davies 1985). (cdc.gov)
  • BACKGROUND: Organophosphate esters (OPEs) have replaced flame retardant polybrominated diphenyl ethers as flame retardants in consumer products, but few longitudinal studies have characterized childhood OPE exposure. (cdc.gov)
  • Pyrethroids are synthetic esters derived from the naturally-occurring pyrethrins. (cdc.gov)
  • Its chemical name is sodium (6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-[2-(2-thienyl) acetamido]-5-thia-1azabicyclo[4.2.0] oct-2-ene-2-carboxylate carbamate (ester). (rxlist.com)
  • When the anionic carboxylate groups in zwitterionic PCB side chains are esterified, the polymer is rendered cationic and thus able to bind and condense nucleic acids. (aiche.org)
  • The identification of new bifunctional esters in the essential oil of Anthemis nobilis L., the so-called Roman Chamomile oil, was recently described by two groups of Swiss research chemists. (perfumerflavorist.com)
  • Methyl formate has been used as a model ester to study the combustion mechanisms of much more complex biodiesel mixtures. (acs.org)
  • PCB-NBE) to give this platform a UV- sensitive "switch" for active degradation control, to study how the charge neutralization caused by ester degradation directly catalyzes DNA release from a polyplex. (aiche.org)
  • Our data show that dimetal-carboxylate halogenases are widely distributed throughout the Cyanobacteria phylum and that BGCs encoding CylC homologs are diverse and mostly uncharacterized. (biomedcentral.com)
  • In our group, various nanomaterils have been used as carrier to load enzymes and antibodies including graphene, carbon nanotubes (CNTs), carbon nanospheres, gold nanoparticles, silica nanoparticles and carboxylated magnetic beads. (cdc.gov)
  • Extracts were derivatized with pentafluorobenzyl bromide in the presence of triethylamine to form pentafluorobenzyl (PFB) esters and were reconstituted in hexane. (cdc.gov)
  • Thereby inter alia the presence of five esters derived from methacrylic or crotonic acid was reported, however, without giving definite structural assignments for the individual components. (perfumerflavorist.com)
  • The most common version involves carboxylate esters . (ucla.edu)
  • Another key function of this platform is the hydrolytic conversion of cationic PCB esters to zwitterionic PCB. (aiche.org)
  • Carboxylate is an example of this type of rule. (europa.eu)
  • Enzyme immobilisation technology is an effective means to improve sugar ester production through the employment of biocatalysts. (researchgate.net)
  • Biological applications with a focus on permeability enhancing, antimicrobial activity, and antibiofilm properties of 6′-lactose-based esters are also reported. (researchgate.net)