Starting materials, solvents, and reagents were commercially available and used without further purification. 1H spectra and 13C spectra were recorded on a Bruker AVANCEIII 400 MHz and 100 MHz NMR spectrometer (Bruker, Karlsruhe, Germany), respectively. Chemical shifts are expressed as δ units in ppm (in NMR description, s = singlet, d = doublet, t = triplet, q = quartet, m = multiplet, and br = broad peak). Melting points were determined on X4 microscope (Beijing, China) and uncorrected. The maximum temperature was 300 °C. HR-MS spectra were acquired by electrospray ionization (ESI) in positive ion mode using Bruker Solarix XR FTMS (Bruker).
100 mhz nmr spectrometer
Manufactured by Bruker
Sourced in Germany
The 100 MHz NMR spectrometer is a laboratory instrument designed to analyze the molecular structure of chemical compounds. It operates at a frequency of 100 MHz and utilizes nuclear magnetic resonance (NMR) spectroscopy to provide detailed information about the chemical composition and structure of samples.
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Lab products found in correlation
2 protocols using 100 mhz nmr spectrometer
1
Characterization of Organic Compounds
2
Synthesis of Substituted Alkynes
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Chemicals and solvents were either purchased and employed directly
from commercial suppliers. 1H NMR spectra were recorded
on a Bruker 400 MHz NMR spectrometer. 13C NMR spectra were
recorded on a Bruker 100 MHz NMR spectrometer. GC–MS spectra
were obtained on a GCMS-QP2010 SE from an electron ionization (EI)
source. A VG-70S magnetic sector mass spectrometer was employed to
record the high-resolution mass spectra. Samples were introduced using
a direct probe and ionized via EI. TLC was employed to monitor reactions
with silica gel 60 F254 plates. Compounds were isolated
via column chromatography using silica gel 60–120 mesh. Well-established
literature procedures were employed to prepare alkynes1–9 .18 (link)
from commercial suppliers. 1H NMR spectra were recorded
on a Bruker 400 MHz NMR spectrometer. 13C NMR spectra were
recorded on a Bruker 100 MHz NMR spectrometer. GC–MS spectra
were obtained on a GCMS-QP2010 SE from an electron ionization (EI)
source. A VG-70S magnetic sector mass spectrometer was employed to
record the high-resolution mass spectra. Samples were introduced using
a direct probe and ionized via EI. TLC was employed to monitor reactions
with silica gel 60 F254 plates. Compounds were isolated
via column chromatography using silica gel 60–120 mesh. Well-established
literature procedures were employed to prepare alkynes
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