Jnm ex400
The JEOL JNM-EX400 is a nuclear magnetic resonance (NMR) spectrometer. It is designed to analyze the molecular structure and composition of chemical samples. The instrument operates at a frequency of 400 MHz and is capable of performing various NMR experiments.
Lab products found in correlation
8 protocols using jnm ex400
Chromatographic Purification and Spectroscopic Analysis
Spectroscopic Analysis of Organic Compounds
Spectroscopic Analysis of Organic Compounds
NMR Spectroscopic Analysis of Compounds
1H, 13C, and 2D NMR spectroscopic data were recorded on a JEOL JNM-ECA600 or JEOL JNM-EX400 instrument (JEOL, Tokyo, Japan) using TMS as a reference. Column chromatography was performed with silica gel (Kieselgel 60, 230-400 mesh, Merck, Darmstadt, Germany), and silica gel 60 F254 and RP-18 F254s (Merck) were used for TLC profiling. Medium-pressure liquid chromatography (MPLC) was performed using a Combiflash RF (Teledyne Isco, Lincoln, NE, USA), and preparative HPLC was performed on a Shimadzu LC-6AD (Shimadzu Co., Tokyo, Japan) instrument equipped with an SPD-20A detector using a Phenomenex Luna C18 (250 mm × 21.2 mm, 5 μm, Phenomenex, Torrance, CA, USA) and YMC C18 hydrosphere (250 mm × 20 mm, S-5 μm, YMC Co., Kyoto, Japan).
Thermal Analysis of Viologen-Modified Glutamide Derivatives
Spectroscopic Analysis of Organic Compounds
Comprehensive Spectroscopic Analyses of Isolated Compounds
Organic Synthesis Procedure Optimization
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