How many unique 1H & 13C NMR signals exist in the spectrum of the following compounds?…
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Question “How many unique 1H & 13C NMR signals exist in the spectrum of the following compounds?…”
How many unique 1H & 13C NMR signals exist in the spectrum
of the following compounds?
How many unique 1H NMR signals exist in the spectrum of the following compounds? How many unique 13C NMR signals exist in the spectrum of the following compounds?
Answer
Concept and Reason
This problem is based upon NMR spectroscopy.
NMR spectroscopy can be used to analyze organic compounds. ^1{\rm{H}} - {\rm{NMR}}
Fundamentals
An equivalent set of protons in the same magnetic environment is called “equivalent protons” and gives only one signal in $math_tag_0.
Similar, an equivalent set of carbon atoms in the same magnetic environment is called equivalent carbons. They only give one signal in ^{13}{\rm{C - NMR}}
(1.a)
The structure of the compound that represents the value of chemical shifting is as follows:
(1.b)
The structure of the compound that represents the value of chemical shifting is as follows:
(1.c)
The structure of the compound that represents the value of chemical shifting is as follows:
(1.d)
The structure of the compound that represents the value of chemical shifting is as follows:
(2.a)
The structure of the compound that represents the value of chemical shifting is as follows:
(2.b)
The structure of the compound that represents the value of chemical shifting is as follows:
(2.c)
The structure of the compound that represents the value of chemical shifting is as follows:
(2.d)
The structure of the compound that represents the value of chemical shifting is as follows:
(2.e)
The structure of the compound that represents the value of chemical shifting is as follows:
(2.f)
The structure of the compound that represents the value of chemical shifting is as follows:
Ans: Part 1.a
Part 1.b: Number of ^1{\rm{H}} - {\rm{NMR}}
Part 1.c: Number of ^1{\rm{H}} - {\rm{NMR}}
Part 1.
Part 2. Number of ^1{\rm{H}} - {\rm{NMR}}
Part 2.b: Number of ^{13}{\rm{C - NMR}}
Part 2.c: Number of ^{13}{\rm{C - NMR}}
Part 2.d: Number of ^{13}{\rm{C - NMR}}Part
Part 2.e: Number of ^{13}{\rm{C - NMR}}Part
Part 2.f: Number of ^{13}{\rm{C - NMR}}Part
$math_tag_2 #
Conclusion
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