All used solvents and reagents were of the greatest analytical reagent grade and were not further purified. Stuart Scientific SMP1 was used to determine the melting points and are uncorrected. TLC was carried out on UV fluorescent Silica gel Merck 60 F254 plates, and the spots were identified with a UV lamp (254 nm). The SHIMADZU FTIR-Affinity-1S spectrometer was used to identify the main functional groups ranging from 400 to 4000 cm−1. While, Bruker spectrometer (400 MHz) was used to collect the NMR spectra using tetramethyl silane (TMS) as an internal reference. The high-resolution mass spectroscopy (HRMS) was performed using the LCMS/MS impact II. GmbH-Vario EL III Elementar Analyzer was used to perform the elemental analyses.
Ftir affinity 1s spectrometer
Manufactured by Shimadzu
Sourced in Japan
The FTIR-Affinity-1S spectrometer is a Fourier Transform Infrared (FTIR) spectrometer designed for laboratory use. It is capable of analyzing the infrared spectrum of various samples, providing information about their molecular composition and structure.
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Lab products found in correlation
4 protocols using ftir affinity 1s spectrometer
1
Comprehensive Analytical Characterization
2
Synthesis and Characterization of Nanoparticles
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All solvents and reagents used were of the highest analytical reagent grade and were not purified further. The melting points were determined using the Stuart Scientific SMP1 and uncorrected. TLC was performed on UV fluorescent Silica gel Merck 60 F254 plates, with spots identified using a UV lamp (254 nm). The main functional groups were identified using a SHIMADZU FTIR~Affinity~1S spectrometer with a range of 400~4000 cm−1. NMR spectra were collected using a Bruker spectrometer (400 MHz) with tetramethyl silane (TMS) as an internal reference. The LCMS/MS impact II was used for high-resolution mass spectroscopy (HRMS). Elemental analyses were carried out using a Vario EL III Elementar Analyzer. The nanoparticles used in this investigation were prepared according to our previous study [31 (link)].
3
Synthesis and Characterization of 6-Acetyl-5-hydroxy-4-methylcoumarin
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Melting points were determined by open capillary method on STUART SMP3 (BIBBY STERILIN, UK). The IR spectra were recorded on FT-IR Affinity-1S Spectrometer (Shimadzu, Japan) in KBr pellet. The 1H and 13C NMR spectra were recorded on Avance AV500 Spectrometer (Bruker, Germany) at 500 MHz and 125 MHz, respectively, using DMSO-d6 as solvent and TMS as an internal standard. ESI-mass spectra were recorded on LC-MS LTQ Orbitrap XL spectrometers (ThermoScientific, USA) in methanol using ESI method. The analytical thin-layer chromatography (TLC) was performed on silica gel 60 WF254S aluminum sheets (Merck, Germany) and was visualized with UV light or by iodine vapor. Chemical reagents in high purity were purchased from the Merck Chemical Company (in Viet Nam). All materials were of reagent grade for organic synthesis. 6-Acetyl-5-hydroxy-4-methylcoumarin 3 was synthesized according to literature procedures [37 (link)].
4
Characterization of Synthesized Azides
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All reagents and solvents used were of the highest quality of analytical reagent grade and were used without further purification. Melting points were measured on a Stuart Scientific SMP1 and are uncorrected. TLC was performed on UV fluorescent Silica gel Merck 60 F254 plates, and the spots were visualized using a UV lamp (254 nm). SHIMADZU FTIR-Affinity-1S spectrometer was used for identification of functional groups in the range of 400–4000 cm−1. The NMR spectra were run with Bruker spectrometers (500 and 400 MHz) in the presence of TMS as internal reference. All azides used in this study were prepared according to reported procedures [37 (link),38 (link),39 (link),40 (link)]
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