All the following questions pertain to 1H NMR spectra of isomeric ethers having the molecular formula C5H12O.
Question:
(a) Which one has only singlets in its 1H NMR spectrum?
(b) Along with other signals, this ether has a coupled doublet–septet pattern. None of the protons responsible for this pattern are coupled to protons anywhere else in the molecule.
Identify this ether.
(c) In addition to other signals in its 1H NMR spectrum, this ether exhibits two signals at relatively low field. One is a singlet; the other is a doublet. What is the structure of this ether?
(d) In addition to other signals in its 1H NMR spectrum, this ether exhibits two signals at relatively low field. One is a triplet; the other is a quartet. Which ether is this?
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a Because all the peaks in the H NMR spectrum of this ether are singlets none of the protons can be ...View the full answer
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