1H and 13C NMR spectra were recorded on a Bruker Advance II NMR spectrometer at 400 MHz for proton and 100 MHz for carbon utilizing TMS as internal standard. Solvent used was DMSO-d6. EIMS were recorded WATERS, Q-TOF micromass.
Advance 2 nmr spectrometer
Manufactured by Bruker
Sourced in Germany
The Advance II NMR-spectrometer is a laboratory instrument designed for nuclear magnetic resonance (NMR) spectroscopy. It is used to analyze the structure and composition of chemical compounds by detecting the magnetic properties of atomic nuclei within the sample.
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Lab products found in correlation
5 protocols using advance 2 nmr spectrometer
1
NMR and EIMS Analysis Protocol
2
NMR Characterization of Synthetic Compounds
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Isolated substances 9 and 10 were measured on a Bruker NEO NMR-spectrometer (Bruker Corporation; Billerica, MA, USA) at 400 MHz in chloroform-d1. Substances 8 and 12 were measured on a Bruker Advance II NMR-spectrometer (Bruker Corporation) at 700 MHz in pyridine-d5. All measurements were performed with an internal standard of TMS. Recorded data sets were 1H and 13C, as well as 2D experiments COSY, HSQC and HMBC.
3
Synthesis and Characterization of Azo Imidazole Derivatives
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Analytical grade solvents and reagents (Sd fine chemical company India and Sigma Aldrich) were used without further purification for the synthesis of azo imidazole derivatives. The azo aldehyde precursors and amino functionalized imidazole were prepared by following the literature procedure [44] (link), [45] (link), [46] (link), [47] (link). The IR spectra of the synthesized compounds were measured using Perkin-Elmer Spectrum FT-IR spectrometer (RX-1) in KBr pellets. 1H NMR spectra (chemical shift values are quoted in δ ppm) were recorded at room temperature on Bruker Advance-II NMR Spectrometer operating at 400 MHz magnetic field in DMSO‑d6 solvent with reference to tetramethylsilane (TMS) as an internal standard. Elemental microanalyses (C, H and N) were measured in Perkin–Elmer (Model 240C) analyzer. The purity of the prepared compounds was checked by thin layer chromatography (TLC) on silica gel plates coated in aluminum sheets (silica gel 60 F254).
4
NMR Characterization of Isolated Substances
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Isolated substances were measured on a Bruker Advance II NMR-spectrometer (Bruker, Rheinstetten, Germany) at 700 MHz proton frequency and 25 °C in chloroform-d1 with an internal standard of TMS or on a Bruker Neo spectrometer at 400 MHz proton frequency. Data sets comprised 1H, 13C and 2D experiments COSY, HSQC and HMBC.
5
NMR Characterization of Synthetic Compounds
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Isolated substances 9 and 10 were measured on a Bruker NEO NMR-spectrometer (Bruker Corporation; Billerica, MA, USA) at 400 MHz in chloroform-d1. Substances 8 and 12 were measured on a Bruker Advance II NMR-spectrometer (Bruker Corporation) at 700 MHz in pyridine-d5. All measurements were performed with an internal standard of TMS. Recorded data sets were 1H and 13C, as well as 2D experiments COSY, HSQC and HMBC.
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