All solvents and chemical reagents were obtained from commercial sources and used without further purifications. 1H- and 13C-NMR spectra were recorded on a Varian Mercury 400 NMR spectrometer (Varian, San Francisco, CA, USA) and Bruker avance III (Bruker, Karlsruhe, Germany). High-resolution mass spectrometry (HRMS) analysis was recorded at an ionizing voltage of 70 eV on a Agilent G6520 Q-TOF spectrometer (Agilent, San Francisco, CA, USA). Flash column chromatography on silica gel (200–300 mesh) was used for the routine purification of reaction products. All reactions were monitored by TLC on silica gel plates.
G6520 q tof spectrometer
Manufactured by Agilent Technologies
Sourced in United States
The G6520 Q-TOF spectrometer is a high-performance mass spectrometry instrument designed for accurate mass measurement and analysis. It utilizes quadrupole time-of-flight (Q-TOF) technology to provide precise mass data and high-resolution capabilities.
Automatically generated - may contain errors
Lab products found in correlation
Mercury 400 nmr spectrometer, by Agilent Technologies (1 mentions)
Avance 3, by Bruker (1 mentions)
Ifs 55, by Bruker (1 mentions)
Mcp 200, by Anton Paar (1 mentions)
Av 600 spectrometer, by Bruker (1 mentions)
Rp c18 column, by YMC (1 mentions)
Arx 400, by Bruker (1 mentions)
Lc 20ar instrument, by Shimadzu (1 mentions)
Uv 1700 spectrophotometer, by Shimadzu (1 mentions)
Facscalibur system, by BD (1 mentions)
Spd 20a uv detector, by Shimadzu (1 mentions)
2 protocols using g6520 q tof spectrometer
1
NMR and Mass Spectrometry Analysis
2
Spectroscopic and Chromatographic Analysis
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Optical rotation values were recorded on a polarimeter (Anton-Paar MCP 200; Austria). Infrared (IR) spectra were obtained with a Fourier transform infrared spectrometer (IFS-55; Bruker). A Shimadzu UV-1700 spectrophotometer (Shimadzu, Kyoto, Japan) was used to obtain the ultraviolet (UV) spectra. The NMR spectra were recorded using ARX-400 and AV-600 spectrometers (Bruker) with TMS as an internal standard. HRESIMS data were recorded on an Agilent G6520 Q-TOF spectrometer (Santa Clara, CA, USA). Column chromatography was conducted using silica gel (100–200 mesh and 200–300 mesh, Qingdao, China) and ODS (50 μm, Aichi, Japan) as absorbents, and thin-layer chromatography (TLC) plates (GF254) were purchased from Qingdao Marine Chemical Co. Ltd. (Qingdao, China). High-performance liquid chromatography (HPLC) was performed using a Shimadzu LC-20AR instrument equipped with an SPD-20A UV detector (Shimadzu, Kyoto, Japan) and a YMC Rp-C18 column (5 μm, 10 × 250 mm) (YMC, Kyoto, Japan). Cell apoptosis and intracellular ROS measurements were analyzed using a Becton Dickinson FACS Calibur System. All solvents used for isolation were of analytical grade, and the reagents for HPLC were of chromatographic grade.
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