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Unity inova 400 mhz nmr spectrometer

Manufactured by Agilent Technologies

The Unity-Inova 400 MHz NMR spectrometer is a nuclear magnetic resonance (NMR) instrument designed for the analysis of chemical compounds. It operates at a frequency of 400 MHz and is capable of performing various NMR spectroscopy techniques to identify and characterize molecular structures.

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2 protocols using unity inova 400 mhz nmr spectrometer

1

Detailed Characterization of Synthesized Compounds

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Compounds not described in ESI were purchased from commercial vendors. All synthesized compounds were characterized with the following instrumentation: Varian Unity-Inova 400 MHz NMR spectrometer (operating at 400 and 101 MHz, respectively) or a Varian Unity-Inova 500 MHz NMR spectrometer (operating at 500 and 126 MHz, respectively) in CDCl3 (CDCl3: 1H = δ 7.26 ppm, 13C = δ 77.16 ppm). Microwave irradiated (MWI) reactions were carried out using an Anton Paar Monowave 300 Microwave Synthesis Reactor. Flash chromatography separations were carried out using a Teledyne Isco CombiFlash Rf 200 purification system with silica gel columns (normal-phase). High resolution mass spectra (HRMS) were performed by Analytical Instrument Center at the School of Pharmacy on an Electron Spray Injection (ESI) mass spectrometer. Melting points were measured on OptiMelt MPA100 Automated Melting Point System.
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2

NMR and Mass Spectrometry Analysis

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1H NMR spectra were recorded at 400 MHz on a Varian Unity INOVA 400 MHz NMR spectrometer using tetramethylsilane as an internal standard, and 13C NMR spectra were recorded at 100 MHz. Mass spectra were run on a Waters UPLC-MS instrument. Melting points were determined by a Mettler Toledo FP62 melting point apparatus and are uncorrected. Thin-layer chromatography plates (GF 254) were bought from Branch Qingdao Haiyang Chemical Plant.
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