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Impact of CO2-solvent separators on the degradation of benzyl-2,3-dihydroxypiperidine-1-carboxylate during preparative supercritical fluid chromatographic (SFC) purification.
Asokan K, Naidu H, Madam R, Shaikh KM, Reddy M, Kumar H, Shirude PS, Rajendran M, Sarabu R, Wu DR, Bajpai L, Zhang Y. Asokan K, et al. Among authors: bajpai l. J Chromatogr A. 2017 Dec 29;1530:176-184. doi: 10.1016/j.chroma.2017.11.025. Epub 2017 Nov 14. J Chromatogr A. 2017. PMID: 29162234
Applications of 2, 2, 2 trifluoroethanol as a versatile co-solvent in supercritical fluid chromatography for purification of unstable boronate esters, enhancing throughput, reducing epimerization, and for additive free purifications.
Asokan K, Shaikh KM, Tele SS, Chauthe SK, Ansar S, Vetrichelvan M, Nimje R, Gupta A, Gupta AK, Sarabu R, Wu DR, Mathur A, Bajpai L. Asokan K, et al. Among authors: bajpai l. J Chromatogr A. 2018 Jan 5;1531:122-130. doi: 10.1016/j.chroma.2017.11.031. Epub 2017 Nov 20. J Chromatogr A. 2018. PMID: 29174572
Synthesis and characterization of a series of N,N'-substituted urea derivatives by using electrospray ionization tandem mass spectrometry: Differentiation of positional isomers.
Singh DK, Chauthe SK, Anjanappa P, Kumar S, Arulraj RA, Gajjela R, Mohammed N, Kanthappa VT, Karmakar A, Gupta AK, Bajpai L, Bagadi M, Mathur A. Singh DK, et al. Among authors: bajpai l. Rapid Commun Mass Spectrom. 2021 Oct 15;35(19):e9161. doi: 10.1002/rcm.9161. Rapid Commun Mass Spectrom. 2021. PMID: 34240514
RP-HPLC separation of interconvertible rotamers of a 5-tetrahydroisoquinolin-6-yl-pyridin-3-yl acetic acid derivative and confirmation by VT NMR and DFT study.
Chauthe SK, Sidduri P, Reddy M, Sistla R, Byri V, Uttaravalli MD, Botlagunta M, Kumar H, Gupta A, Gupta AK, Bajpai L, Bagadi M, Mathur A. Chauthe SK, et al. Among authors: bajpai l. J Pharm Biomed Anal. 2022 Apr 1;212:114675. doi: 10.1016/j.jpba.2022.114675. Epub 2022 Feb 17. J Pharm Biomed Anal. 2022. PMID: 35192992
17 results