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Quoted phrases not found in phrase index: "1,1,1-trimethoxyethane", "methyltrimethoxymethane"
Page 1
Kinetics and mechanisms of the homogeneous, unimolecular gas-phase elimination of trimethyl orthoacetate and trimethyl orthobutyrate.
Márquez E, Dominguez R, Tosta M, Chuchani G. Márquez E, et al. J Phys Chem A. 2008 Nov 27;112(47):12140-2. doi: 10.1021/jp8074942. J Phys Chem A. 2008. PMID: 18973316
The rate coefficients are expressed by the Arrhenius equation: for trimethyl orthoacetate, log k1 (s(-1)) = [(13.58 +/- 0.10) - (194.7 +/- 1.2) (kJ mol(-1))](2.303RT)(-1)r = 0.9998; and for trimethyl orthobutyrate, log k1(s(-1)) = [(13.97 +/- 0.37) - (195.3 +/- 1.6) …
The rate coefficients are expressed by the Arrhenius equation: for trimethyl orthoacetate, log k1 (s(-1)) = [(13.58 +/- 0.10) …
Trimethyl Orthoacetate and Ethylene Glycol Mono-Vinyl Ether as Enolate Surrogates in Enantioselective Iridium-Catalyzed Allylation.
Sempere Y, Carreira EM. Sempere Y, et al. Angew Chem Int Ed Engl. 2018 Jun 25;57(26):7654-7658. doi: 10.1002/anie.201803558. Epub 2018 May 23. Angew Chem Int Ed Engl. 2018. PMID: 29718576
Trimethyl orthoacetate and ethylene glycol mono-vinyl ether are employed in iridium-catalyzed enantioselective allylation reactions. ...
Trimethyl orthoacetate and ethylene glycol mono-vinyl ether are employed in iridium-catalyzed enantioselective allylation reac …
Synthesis and Evaluation of Novel 2H-Benzo[e]-[1,2,4]thiadiazine 1,1-Dioxide Derivatives as PI3Kδ Inhibitors.
Gong YP, Tang LQ, Liu TS, Liu ZP. Gong YP, et al. Molecules. 2019 Nov 25;24(23):4299. doi: 10.3390/molecules24234299. Molecules. 2019. PMID: 31775363 Free PMC article.
After the reduction of nitro group in N-(2,6-dimethylphenyl)-2-nitrobenzenesulfonamide 5 and N-(2,6-dimethylphenyl)-2-nitro-5-fluorobenzenesulfonamide 6, the resulting 2-aminobenzenesulfonamides were reacted with trimethyl orthoacetate to give the 3-methyl-2H-benzo[ …
After the reduction of nitro group in N-(2,6-dimethylphenyl)-2-nitrobenzenesulfonamide 5 and N-(2,6-dimethylphenyl)-2-nitro-5-fluorobenzenes …
Long-term detection of clodronate in equine plasma by liquid chromatography-tandem mass spectrometry.
Garcia P, Perot I, Loup B, Balssa F, Jaubert M, Delcourt V, Dujardin C, Popot MA, Bailly-Chouriberry L. Garcia P, et al. Drug Test Anal. 2021 Aug;13(8):1527-1534. doi: 10.1002/dta.3050. Epub 2021 May 12. Drug Test Anal. 2021. PMID: 33870655
After methylation of the residue with trimethyl orthoacetate, analysis was conducted by high-performance liquid chromatography-tandem mass spectrometry. ...
After methylation of the residue with trimethyl orthoacetate, analysis was conducted by high-performance liquid chromatography …
Discovery of potent 4-aminoquinoline hydrazone inhibitors of NRH:quinoneoxidoreductase-2 (NQO2).
Hussein B, Ikhmais B, Kadirvel M, Magwaza RN, Halbert G, Bryce RA, Stratford IJ, Freeman S. Hussein B, et al. Eur J Med Chem. 2019 Nov 15;182:111649. doi: 10.1016/j.ejmech.2019.111649. Epub 2019 Aug 27. Eur J Med Chem. 2019. PMID: 31514018 Free article.
The syntheses utilised p-anisidine with Meldrum's acid and trimethyl orthoacetate or trimethyl orthobenzoate to give the 4-hydrazin-quinoline scaffold, which was derivatised with aldehydes or acid chlorides to give hydrazone or hydrazide analogues, respectively. ...
The syntheses utilised p-anisidine with Meldrum's acid and trimethyl orthoacetate or trimethyl orthobenzoate to give the 4-hyd …
Lipid and Corticosteroid Biomarkers Under the Influence of Bisphosphonates.
Tou K, Cawley A, Noble G, Loy J, Bishop D, Keledjian J, Sornalingam K, Richards S, Fu S. Tou K, et al. Drug Test Anal. 2025 Jul;17(7):1107-1117. doi: 10.1002/dta.3811. Epub 2024 Oct 15. Drug Test Anal. 2025. PMID: 39407358 Free PMC article.
Sample preparation for quantification of BPs by liquid chromatography-tandem mass spectrometry (LC-MS/MS) utilised a two-step solid phase extraction (SPE) consisting of polymeric reversed-phase followed by weak anion exchange prior to derivatisation using trimethyl orth …
Sample preparation for quantification of BPs by liquid chromatography-tandem mass spectrometry (LC-MS/MS) utilised a two-step solid phase ex …
Inhibition of Botrytis cinerea in tomatoes by allyl-isothiocyanate release from black mustard (Brassica nigra) seeds and detection by E-nose.
Barea-Ramos JD, Rodríguez MJ, Calvo P, Melendez F, Lozano J, Martín-Vertedor D. Barea-Ramos JD, et al. Food Chem. 2024 Jan 30;432:137222. doi: 10.1016/j.foodchem.2023.137222. Epub 2023 Aug 19. Food Chem. 2024. PMID: 37625300
The compounds associated with a positive aroma were trimethyl orthoacetate, styrene, tridecan-7-amine and acetaldehyde, while compounds related to B. cinerea were hepten-2-one and butanoic acid. ...
The compounds associated with a positive aroma were trimethyl orthoacetate, styrene, tridecan-7-amine and acetaldehyde, while …
Simultaneous analysis of biologically active aminoalkanephosphonic acids.
Kudzin ZH, Gralak DK, Andrijewski G, Drabowicz J, Luczak J. Kudzin ZH, et al. J Chromatogr A. 2003 May 23;998(1-2):183-99. doi: 10.1016/s0021-9673(03)00437-0. J Chromatogr A. 2003. PMID: 12862383
This includes a preliminary 31p NMR analysis of these amino acids, their further derivatization to volatile phosphonates (phosphinates) by means of trifluoroacetic acid-trifluoroacetic anhydride-trimethyl orthoacetate reagent and subsequent analysis of derivatizatio …
This includes a preliminary 31p NMR analysis of these amino acids, their further derivatization to volatile phosphonates (phosphinates) by m …
A simple method for the determination of glyphosate, glufosinate and their metabolites in biological specimen by liquid chromatography/tandem mass spectrometry: an application for forensic toxicology.
Ohara T, Yoshimoto T, Natori Y, Ishii A. Ohara T, et al. Nagoya J Med Sci. 2021 Aug;83(3):567-587. doi: 10.18999/nagjms.83.3.567. Nagoya J Med Sci. 2021. PMID: 34552290 Free PMC article.
Herbicide-containing specimens were highly diluted, evaporated to dryness, and derivatized with acetate/acetic anhydride and trimethyl orthoacetate for 30 min. at 120 C. Our optimized LC conditions successfully separated the target analytes, with acceptable linearit …
Herbicide-containing specimens were highly diluted, evaporated to dryness, and derivatized with acetate/acetic anhydride and trimethyl …
23 results