The various diamines, cysteamine hydrochloride, 1,1-bis(methylthio)-2-nitroethene, aldehydes, 2,2-dimethyl-1,3-dioxane-4,6-dione (Meldrum's acid) and solvents were purchased from Sigma-Aldrich chemical company and were used as received without further purification. Melting points were determined with an electrothermal 9100 apparatus. Infrared (IR) spectra were recorded on a Bruker Tensor 27 spectrometer. Nuclear magnetic resonance (NMR) spectra were obtained on a Bruker DRX-300 Avance instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO as solvent. Chemical shifts are expressed in parts per million (ppm), and coupling constant (J) are reported in hertz (Hz). Elemental analyses for C, H and N were performed using a PerkinElmer 2004 series [II] CHN elemental analyzer. Mass spectra were recorded with an Agilent 5975C VL MSD with Triple-Axis Detector operating at an ionization potential of 70 eV.
Drx 300 avance instrument
Manufactured by Bruker
The DRX-300 Avance instrument is a nuclear magnetic resonance (NMR) spectrometer designed and manufactured by Bruker. The core function of this instrument is to analyze the chemical composition and structure of various materials through the detection and measurement of nuclear magnetic resonances.
Automatically generated - may contain errors
Lab products found in correlation
Tensor 27 spectrometer, by Bruker (13 mentions)
5975c vl msd, by Agilent Technologies (9 mentions)
Agilent 5975c vl msd, by Agilent Technologies (3 mentions)
Series 2 chn elemental analyzer, by PerkinElmer (2 mentions)
2004 series 2 chn elemental analyzer, by PerkinElmer (2 mentions)
Malononitrile, by Merck Group (2 mentions)
Cysteamine hydrochloride, by Merck Group (2 mentions)
Triple axis detector, by Agilent Technologies (1 mentions)
Meldrum s acid, by Merck Group (1 mentions)
Barbituric acid, by Merck Group (1 mentions)
Isatin, by Merck Group (1 mentions)
Ethyl cyanoacetate, by Merck Group (1 mentions)
Dimedone, by Merck Group (1 mentions)
P tsa, by Merck Group (1 mentions)
13 protocols using drx 300 avance instrument
1
Synthesis and Characterization of Nitrogen-Containing Heterocycles
2
Synthesis and Characterization of Nitro Ethylene Derivatives
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Meldrum's acid, 1,1-bis(methylthio)-2-nitro ethylene, diamines, various isatin derivatives, p-toluenesulfonic acid and solvents were purchased from Sigma-Aldrich and used as received without further purification. Melting points (mp) were determined with an electrothermal 9100 apparatus. Infrared (IR) spectra were recorded on a Bruker Tensor 27 spectrometer. Nuclear magnetic resonance (NMR) spectra were obtained on a Bruker DRX-300 Avance instrument (300 MHz for 1H and 75.4 MHz for 13C) with CDCl3 and DMSO as solvents. Chemical shifts were expressed in parts per million (ppm) relative to internal TMS, and the coupling constant (J) was reported in hertz (Hz). All of the compounds were analyzed for mass data using Agilent 5975C VL MSD with a Triple-Axis Detector operating at an ionization potential of 70 eV.
3
Synthesis and Characterization of Novel Heterocyclic Compounds
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The various amines, 1,1-bis(methylthio)-2-nitroethene, terephthalaldehyde, isophthalaldehyde, 2-hydroxy-1,4-naphthoquinone, 4-hydroxycumarin, and solvents were purchased from Sigma-Aldrich chemical company and were used as received without further purification. Melting points were determined with an electrothermal 9100 apparatus. Infrared (IR) spectra were recorded on a Bruker Tensor 27 spectrometer. Nuclear magnetic resonance (NMR) spectra were obtained on a Bruker DRX-300 Avance instrument (300 MHz for 1H and 75.4 and 62.8 MHz for 13C) with DMSO as solvent. Chemical shifts are expressed in parts per million (ppm), and coupling constant (J) are reported in hertz (Hz). Mass spectra were recorded with an Agilent 5975C VL MSD with Triple-Axis Detector operating at an ionization potential of 70 eV.
4
Characterization of Novel Organic Compounds
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All commercially available reagents and other solvents were purchased from Aldrich and Merck Chemical Co. and used without further purification. The NMR spectra were recorded with a Bruker DRX-300 AVANCE instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO-d6 as solvent. Chemical shifts are given in ppm (δ) relative to internal TMS, and coupling constant (J) are reported in Hertz (Hz). Melting points were measured with an electrothermal 9100 apparatus. Mass spectra were recorded with an Agilent 5975C VL MSD with Triple-Axis detector operating at an ionization potential of 70 eV. IR spectra were measured with Bruker Tensor 27 spectrometer. Elemental analyses for C, H and N were performed using a PerkinElmer 2004 series [II] CHN elemental analyzer.
5
Characterization of Chemical Compounds
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All commercially available reagents and other solvents were purchased from Aldrich and Merck chemical Co. and used without further purification. The NMR spectra were recorded with a Bruker DRX-300 AVANCE instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO-d6 as solvent. Chemical shifts are given in ppm (δ), and coupling constant (J) are reported in Hertz (Hz). Melting points were measured with an electrothermal 9100 apparatus. Mass spectra were recorded with an Agilent 5975C VL MSD with Triple-Axis detector operating at an ionization potential of 70 eV. IR spectra were measured with Bruker Tensor 27 spectrometer. Elemental analyses for C, H and N were performed using a PerkinElmer 2004 series [II] CHN elemental analyzer.
6
Synthesis of Heterocyclic Compounds via Multicomponent Reactions
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The nitroketene dithioacetals, cysteamine hydrochloride, isatin, malononitrile, ethyl cyanoacetate, methyl cyanoacetate, cyanoacetohydrazide, barbituric acid, derivatives of isatin, triethylamine and solvents were obtained from Sigma Aldrich and used without further purification. Nano-silica (CAB-O-SIL® M5) was obtained from Cabot Co. IR spectra: Bruker Tensor 27 spectrometer. NMR spectra: Bruker DRX-300 Avance instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO-d6 as solvents. Chemical shifts are expressed in parts per million (ppm), and coupling constant (J) are reported in hertz (Hz). Mass spectra: Agilent 5975C VL MSD with Triple-Axis detector operating at an ionization potential of 70 eV. Elemental analyses for C, H and N: Heraeus CHNO-Rapid analyzer. Melting points: electrothermal 9100 apparatus.
7
Characterization of Organic Compounds
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All commercially available reagents and other solvents were purchased from Aldrich and Merck Chemical Co. and used without further purification. The NMR spectra were recorded with a Bruker DRX-300 AVANCE instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO-d6 as solvent. Chemical shifts are given in ppm (δ) and coupling constant (J) is reported in Hertz (Hz). Melting points were measured with an electrothermal 9100 apparatus. Mass spectra were recorded with an Agilent 5975C VL MSD with Triple-Axis detector operating at an ionization potential of 70 eV. IR spectra were measured with Bruker Tensor 27 spectrometer.
8
Synthesis and Characterization of Substituted Pyrimidine Derivatives
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The dimedone, phenylglyoxal monohydrate, various anilines and other chemicals and solvents were obtained from Merck and Aldrich and were used without further purification. NMR spectra were recorded with a Bruker DRX-300 Avance instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO and CDCl3 as solvent. Chemical shifts are given in ppm (δ), and coupling constant (J) are reported in hertz (Hz). Melting points were measured with an electrothermal 9100 apparatus. Mass spectra were recorded with an Agilent 5975C VL MSD with Triple-Axis Detector operating at an ionization potential of 70 eV. IR spectra were measured with, Bruker Tensor 27 spectrometer.
9
Synthesis and Characterization of Heterocyclic Compounds
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The diverse 6-aminouracils, 6-aminothiouracil, terephthalaldehyde, 4-hydroxycoumarin, dimedone, 2-hydroxy-1,4-naphthoquinone, barbituric acid, thiobarbituric acid, and solvents were purchased from Sigma-Aldrich chemical company and were used as received without further purification. Melting points were measured with an electrothermal 9100 apparatus. Infrared (IR) spectra were obtained on a Bruker Tensor 27 spectrometer. Mass spectra recorded with an Agilent 5975C VL MSD with Triple-Axis Detector operating at an ionization potential of 70 eV. Nuclear magnetic resonance (NMR) spectra were recorded with a Bruker DRX-300 Avance instrument (300 MHz for 1H, 68.8 and 125 MHz for 13C) with DMSO as solvent. Chemical shifts are given in parts per million (ppm), and coupling constant (J) are reported in hertz (Hz).
10
Synthesis of Heterocyclic Compounds
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The nitroketene dithioacetals, isatin derivatives, various amines, various active methylene compounds and solvents were obtained from Sigma Aldrich and Fluka Co., which were used without further purification. IR spectra: Bruker Tensor 27 spectrometer. NMR spectra: Bruker DRX-300 Avance instrument (300 MHz for 1H and 75.4 MHz for 13C) with DMSO-d6 as solvents. Chemical shifts are expressed in parts per million (ppm), and coupling constant (J) are reported in hertz (Hz). Mass spectra: Agilent 5975C VL MSD with Triple-Axis detector operating at an ionization potential of 70 eV. Elemental analyses for C, H and N: Heraeus CHNO-Rapid analyzer. Melting points: electrothermal 9100 apparatus.
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