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Magnetic resorcinol-formaldehyde supported-DABCO as an effective and recyclable nanocatalyst

Somayeh Abaeezadeh1, Dawood Elhamifar2

  • 1Department of Chemistry, Yasouj University, Yasouj, 75918-74831, Iran.

Scientific Reports
|July 1, 2025
PubMed

Keywords:
Knoevenagel condensationMagnetic resorcinol-formaldehydeRecoverable nanocatalystSupported-DABCO

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¹³C NMR: ¹H–¹³C Decoupling01:04

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The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
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