Indicate for three of the following pairs of compounds which spectroscopic method you would choose to distinguish between them [there may be more than one 'correct' technique]. Explain your choice and outline the differences you would expect to observe. OH OH O OMe OMe XX MeO OH OH Pair D Pair E Pair F Pair G بلهم HO OMe or OH OMe CHIO MeO OH -OH

Indicate for three of the following pairs of compounds which spectroscopic method you would choose to distinguish between them [there may be more than one 'correct' technique]. Explain your choice and outline the differences you would expect to observe. OH OH O OMe OMe XX MeO OH OH Pair D Pair E Pair F Pair G بلهم HO OMe or OH OMe CHIO MeO OH -OH

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...

See similar textbooks

Similar questions

Calculate the IHD of C7H6XNO and identify the important peaks in the following MS spectral data and draw the structure of the important peaks in the following MS spectral data.
The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown. Propose a structure for this hydrocarbon, and explain the spectral data.
The number of peaks in the ¹H-NMR spectrum of a com-pound depends on the number of different kinds (environments)of H atoms. How many peaks appear in the spectrum of each iso-mer of C₄H₁₀and of C₅H₁₂
Analyse the high resolution proton NMR spectrum and suggest a compound and write its name. Aslo write down which parts of the molecule belongs to each peak.
Identify and draw the structure of the important peaks in the MS spectral data of C9H8O given below.
B (3) Www Expected IR # 50. HO Но peaks for CO WEVEW Jumpogna 2ine Sen od show c bise -H
Watch videos (LINKS) on page 2 and answer questions One infrared spectra (1) is given below. (a) Analyze the spectra and tabulate important bands. (b) Circle the possible molecular structure corresponding to the given spectra. Spectra A: 4000 2700 cm ¹ 2700- 2000 cm ¹ 2000 1600 cm 1600 - 400 cm ¹ 2.5 100 80 Region 60 40 20 0 OL 4000 (a) COMPOUNDS A OH 3500 3 -1 3000 B Absorption, cm -1 3.5 4 2500 4.5 SPECTRA 1 CH, O CH, C C CH, H H NO H wavelength (um) 5 5,5 6 2000 1800 1600 wavenumber (cm) wavelength (um) C Functional group CIC C-OH CH, 7 8 1400 1200 D 9 10 n 1000 CH₂CH₂OH - 11 Base Value 12 13 14 15 16 800 600 E Jun CH₂-C-N
Shown below are the IR spectrum and the Mass Spectrum of a compound of molecular formula C3H8O. Using the spectral data, determine the structure of the compound. Provide evidence from both spectra to support your answer.
I need some help with this IR spectra for C6H10O What are the peaks Is there IR special features with conjugation, resonance or hydrogen-bonding?
How many peaks woudl be observed in the 1H and 13C NMR specutrms of the following compounds?
(c) techniques? Draw the COSY spectra for H3C-CH2-CH,-C-OCH, CH3 How is 2D NMR affected by FT- to depict the correlations expected.
(a) Draw all six isomers of formula C4H8 (including stereoisomers).(b) For each structure, show how many types of H would appear in the proton NMR spectrum.(c) For each structure, show how many types of C would appear in the 13C NMR spectrum.