A Simple and Inexpensive Capillary Holder for Thin-Layer Chromatography

Pintea, Beniamin-Nicolae

doi:10.1021/ed1005932

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2023

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“…TLC analysis was performed on 60 F 254 silica gel plates from Merck using hexane-ethyl acetate = 1:1 (v/v) as eluent. The samples were withdrawn and applied onto the plates using the Pintea device [27].…”

Section: Methodsmentioning

confidence: 99%

Synthesis of a Novel 2-((4,5-Diphenyl-4H-1,2,4-triazol-3-yl)thio)acetaldehyde as a Bisulfite Adduct

Pintea,

Burcă,

Badea

et al. 2023

Molbank

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The scope of the current work was to synthesize an S-alkylated 1,2,4-triazole-3-thiol derivative. Synthesis was carried out in two steps: in the first step, 4,5-diphenyl-4H-1,2,4-triazole-3-thiol was S-alkylated using a halogenated acetal and cesium carbonate. In the second step, several acetal deprotection procedures were tested, and the aldehyde obtained was isolated as a bisulfite adduct. The structures of the new compounds were characterized by FT-IR, 1D, and 2D NMR spectroscopic methods.

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Section: Methodsmentioning

confidence: 99%