Macmillan LearninWhen an unknown amine reacts with an unknown acid chloride, an amide with a molecular mass of 163 g/mol (M* = 163 m/z)is formed. In the infrared spectrum, important absorptions appear at 1661, 750 and 690 cm-1. The 13C NMR and DEPT spectraare provided. Draw the structure of the product as the resonance contributor lacking any formal charges.13C NMRDEPT 902001601208040020016012080DEPT 13520016012080400Draw the unknown amide.40400

Answered: Macmillan Learnin When an unknown amine…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Section13.SE: Something Extra

Problem 59GP: The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown. Propose a structure for this...

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The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown. Propose a structure for this hydrocarbon, and explain the spectral data.
When an unknown amine reacts with an unknown acid chloride, an amide with a molecular mass of 163 g/mol (M* = 163 m/z) is formed. In the infrared spectrum, important absorptions appear at 1661, 750 and 690 cm. The 13C NMR and DEPT spectra are provided. Draw the structure of the product as the resonance contributor lacking any formal charges. 13C NMR DEPT 90 200 160 120 80 40 0 200 160 120 80 40 0 DEPT 135 T 200 160 120 80 40 0 Draw the unknown amide. Select Dow Templates More Frage
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Provide the unknown for the given data.
draw the structure of the nmr (ethyl acetate) then circle the protons on the structures and correlate the 1H's to the resonances (peaks) on the 1H NMR spectra.
The following NMR spectra were obtained from a compound with the molecular formula C4H6O. Use this information to predict its structure.
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Submissions are not permanently recorded Using the JSME editor () draw the molecule, with formula C4H30, whose 'H NMR spectrum is shown below. The guide on how to draw your structure can be found here. 6H, d 1H 1H, Septet 10 7. 6 3 2 HPM-03-176 ppm [HỊC(=0)CC=C
Ll.128.
The following ¹H NMR spectrum is shown in two questions. "nmrsim presentation 1 1 C:\Bruker TopSpin3.5p17\examdata 10 The most de-shielded resonance can BEST be assigned to the following functional group: Methoxy group Methyl ester Methyl bromide (CH3Br) Aromatic ring [ppm] Aldehyde Deal
Following are the 'H and 13C NMR spectra for each of four isomeric bromoalkanes with formula C4H9B.. Assign a structure to each pair of spectra and assign all H's and C's. Carbon spectrum C,H,Br CDCI3 85 80 75 70 65 60 55 50 45 35 30 15 10 5 Proton spectrum D C,H,Br 2.1 2.0 1.9 1.82 0.93 5.37 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0
c) (2 pts) For the 13C-NMR spectrum illustrated below, label each peak with the carbon atom(s). 1H brs, 1H 1H1H 1H ــلتـ 3H 11 10 9 8 7 6 5 4 3 2 1 0 d) First, propose three reasonable structures that match the spectra. Second, provide a detailed structure elucidation and draw the structure of the compound represented by molecular formula and spectra given. Show your analysis. Draw possible reasonable structures (3 pts, 1 pt each). Circle the final answer (2 pts) Show your analysis here! (3 pts) Page 3 of 6

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