51V and 31P solution NMR spectra were acquired at 9.4 T on a JEOL GSX-400 spectrometer equipped with Delta data system. The 51V and 31P resonance frequencies were 105.12 and 161.87 MHz, respectively. All spectra were acquired using a 5 mm broadband probe. 51V spectra were acquired using a 5.8 µs (30°) single pulse; 31P spectra were acquired with a 15 µs (90°) single pulse. 2048 complex FID points were collected. For 51V, the total acquisition time of 48.7 ms, and the recycle delay of 500 ms were used. For 31P, a recycle delay of 2 s was used. The 51V and 31P spectra were processed with 2 Hz exponential line broadening; no zero filling was applied. The isotropic chemical shifts are reported relative to the neat VOCl3 sample and H3PO4 (85%), respectively, used as the external reference.
Gsx 400 spectrometer
Manufactured by JEOL
Sourced in Japan
The JEOL GSX 400 spectrometer is a compact and versatile nuclear magnetic resonance (NMR) instrument designed for various analytical applications. It features a 400 MHz superconducting magnet and provides high-resolution NMR spectroscopy capabilities. The GSX 400 spectrometer is capable of performing various NMR experiments to study the structure, dynamics, and interactions of chemical and biological samples.
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Lab products found in correlation
Silica gel 60 0.063 0 2 mm, by Merck Group (1 mentions)
Merck precoated silica gel plates kieselgel 60 f254, by Merck Group (1 mentions)
Sephadex lh 20, by Merck Group (1 mentions)
Agilent 1200 series high performance liquid chromatograph, by Agilent Technologies (1 mentions)
Jnm ecx400 spectrometer, by JEOL (1 mentions)
Silica gel 60, by Merck Group (1 mentions)
Am 500 spectrometer, by Bruker (1 mentions)
4 protocols using gsx 400 spectrometer
1
Solution NMR Spectroscopy of Vanadium and Phosphorus
2
Isolation and Structural Elucidation of Natural Compounds
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The 1H and 13C nuclear magnetic resonance (NMR) spectra were recorded in CDCl3 on Varian NMR system spectrometers (Varian, Palo Alto, CA, USA), using tetramethylsilane as an internal standard. The chemical shifts are given in δ (ppm). The ultraviolet (UV) spectra were obtained in methanol on a UVICON 933/934 spectrophotometer (Kontron, Milan, Italy) and the mass spectra on a GSX 400 spectrometer (Jeol, Tokyo, Japan). Silica gel 60 (0.063–0.2 mm) (Merck, Darmstadt, Germany) and Sephadex LH-20 (Sigma-Aldrich, St. Louis, MO, USA) were used for column chromatography. Merck precoated silica gel plates (Kieselgel 60 F254) were used for analytical thin-layer chromatography (TLC). An Agilent 1200 series high-performance liquid chromatograph (Agilent, Santa Clara, CA, USA) was used to isolate the active constituents.
3
Spectroscopic Characterization of Compounds
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1H and 13C NMR spectra were recorded in DMSO-d6 on a JNM-ECX 400 spectrometer (Jeol, Tokyo, Japan) at 400 and 100 MHz, respectively, using tetramethylsilane as an internal standard, and chemical shifts are given in δ (ppm). UV spectra were obtained in methanol on a BioMate 5 spectrophotometer (Thermo Spectronic, Rochester, NY), Fourier transform infrared (FT-IR) spectra on a Nicolet Magna 550 series II spectrometer (Midac, Atlanta, GA), and mass spectra on a Jeol GSX 400 spectrometer. Silica gel 60 (0.063–0.2 mm) (Merck, Darmstadt, Germany) was used for column chromatography. Merck precoated silica gel plates (Kieselgel 60 F254, 0.20 mm) were used for analytical thin-layer chromatography (TLC). A SCL-10 AVP high-performance liquid chromatograph (Shimadzu, Kyoto, Japan) was used for isolation of active principles.
4
Spectroscopic Characterization of Compounds
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1H and 13C NMR spectra were recorded in CDCl3 on a Bruker AM-500 spectrometer (Rheinstetten, Baden-Württemberg, Germany) using tetramethylsilane as an internal standard, and chemical shifts are given in δ (ppm). Distortionless enhancement by polarization transfer (DEPT) spectra was acquired using the Bruker software. UV spectra were obtained in methanol on a Jasco V-550 UV/VIS spectrophotometer (Tokyo, Japan), FT-IR spectra on a Midac Nicolet Magna 550 series II spectrometer (Irvine, CA), and mass spectra on a Jeol GSX 400 spectrometer (Tokyo, Japan). Optical rotation was measured with a Rudolph Research Analytical Autopol III polarimeter (Flanders, NJ). Merck silica gel (0.063–0.2 mm) (Darmstadt, Hesse, Germany) was used for column chromatography. Merck precoated silica gel plates (Kieselgel 60 F254) were used for analytical thin layer chromatography (TLC). A Thermo Separation Products Spectra System P2000 high-performance liquid chromatograph (HPLC) (San Jose, CA) was used for isolation of active principles.
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1H and 13C NMR spectra were recorded in CDCl3 on a Bruker AM-500 spectrometer (Rheinstetten, Baden-Württemberg, Germany) using tetramethylsilane as an internal standard, and chemical shifts are given in δ (ppm). Distortionless enhancement by polarization transfer (DEPT) spectra was acquired using the Bruker software. UV spectra were obtained in methanol on a Jasco V-550 UV/VIS spectrophotometer (Tokyo, Japan), FT-IR spectra on a Midac Nicolet Magna 550 series II spectrometer (Irvine, CA), and mass spectra on a Jeol GSX 400 spectrometer (Tokyo, Japan). Optical rotation was measured with a Rudolph Research Analytical Autopol III polarimeter (Flanders, NJ). Merck silica gel (0.063–0.2 mm) (Darmstadt, Hesse, Germany) was used for column chromatography. Merck precoated silica gel plates (Kieselgel 60 F254) were used for analytical thin layer chromatography (TLC). A Thermo Separation Products Spectra System P2000 high-performance liquid chromatograph (HPLC) (San Jose, CA) was used for isolation of active principles.
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