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- W2891917497 abstract "Chemicals were purchased from Merck, Sigma Aldrich. The reaction/purity of the product was monitored and accomplished by TLC. FT-IR spectra were recorded in the range of 4000-400 cm-1 on a JASCO FT/IR-460 spectrophotometer using KBr pellets. A Bruker D2 PHASER powder diffraction instrument; Cu Kα ray (wavelength λ = 0.154056 nm), was used to measure in a continuous step-scan mode: the minimum width of the stage 0.031°, equilibrium time of 256 seconds, the operating voltage to 30 kV with 10 mA. Scanning electron microscopy (Joel JSM 7600 F) was employed to characterize the morphology. High Resolution-Transmission Electron Spectroscopy was used. The BET gas sorption isotherms were measured 77 K for N2, H2, and 273 and 298 K for CO2 using Micromeritics Auto pore 9500 system. Before recording gas sorption measurements, the sample was initially dehydrated at 423 K for 24 h under vacuum. Raman Spectroscopy was measured using the detector CCD (Triaxle) and the laser (He-Ne laser 632.8 nm). A TOF-MS analyser for accurate mass measurement was used. The melting point (mp) was recorded on a Buchi B-545 apparatus using open capillary tubes. NMR spectra were recorded in CDCl3 / DMSO-d6 on a Bruker Advance 400 MHz and 600 MHz instrument using tetramethylsilane as internal standard. In general for all compounds CDCl3 is used as a solvent, where DMSO-d6 has been used, it is mentioned in the experimental part. The chemical shifts were expressed in ppm. The following abbreviations are used in the NMR spectral data. s - Singlet d - Doublet t - Triplet q - Quartet m - Multiplet dd - doublet of doublet brs - broad singlet J - Coupling constant" @default.
- W2891917497 created "2018-09-27" @default.
- W2891917497 creator A5052022742 @default.
- W2891917497 date "2021-07-16" @default.
- W2891917497 modified "2023-09-23" @default.
- W2891917497 title "Synthesis of nitrogen heterocycles and chalcones using multi-component reactions : a spectral and protein binding investigation" @default.
- W2891917497 doi "https://doi.org/10.51415/10321/3132" @default.
- W2891917497 hasPublicationYear "2021" @default.
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