The major advantage and disadvantages of two dimensional NMR methods over conventional one-dimensional techniques are to be stated.
Nuclear magnetic resonance spectroscopy is a method used to determine the physical and chemical nature of atoms in different compounds. In two-dimensional nuclear magnetic resonance spectroscopy information about atoms is plotted in two frequency axes.
The pulse sequence used in COSY and HETCOR experiments and behavior of magnetization vector as a result of applied pulses is to be stated.
The structure of heterocyclic complex compounds is determined by two dimensional NMR. The two dimensional NMR involves the techniques COSY and HETCOR. In the HETCOR experiment, the behavior of a single bond between two different nucleoli is observed. The COSY experiment interprets the resonance of correlating protons when there is spin-spin bond coupling in protons.
The identification of resonances in and as a pair is to be stated.
The resonances in the compound are found by the spectrum of the compound.
The differences in the resonance of atoms and is to be stated.
The resonance in different atoms can be distinguished by chemical shift, coupling constant and signal of pulses.
The resonances in , , , and is to be stated.
The resonance of different atoms in a compound is explained on the basis of chemical shift. The chemical shift is the resonate frequency of the nucleus in the magnetic field applied. On the basis of the position and chemical shift of nucleus resonance in the compound can be explained.
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