Please correct answer and don't used hand raiting 3.Making reasonable assumptions for the chemical shifts and coupling constants, drawthe expected H. "C'H and DEPT-135 NMR spectra of compound 1, labelling eachpeak with its assignment and labeling the relevant coupling constants.

Step 1: Step 2: Step 3: Step 4:

Answered: 3. Making reasonable assumptions for…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 9CTQ

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Following is the mass spectrum of an unknown compound. The two highest peaks are at m/z 120 and 122. Suggest a structure for this compound. (Data from http://webbook.nist.gov/chemistry/.)
4. Determine the multiplicity and predict the chemical shifts of each signal in the expected 'H NMR spectrum of the following compound. II II IV
10.
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on 19 of 42 > Learning Loudon Parise SEVENTH EDITION Construct a simulated ¹H NMR spectrum, including proton integrations, for CH₂ OC(CH₂OCH (see Hint). Drag the appropriate splitting patterns to the approximate chemical shift positions; place the integration values in the small bins above the associated chemical shift. Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations. 30円 $ 4 R F V 7 % 5 T G B ^ 6 2H -Fo Y H MacBook Air & 7 RAM N 4 U Answer Bank J * 00 M 9H I ( 9 K ➤➤ 2 O < H ) O L 6H command P -3H sented by Macmillan Learning ^ 11 ; 0 ppm 95 { + 11 alt ? option } (1)
A STK2083_Molecular_Spectroscopy_Group Assignment.pdf - Adobe Acrobat Reader DC File Edit View Sign Window Help Home Tools STK2083_Molecular. x Sign In 1 /1 119% a. Which of the compounds below best matches the following 'H NMR spectrum? Integration values are indicated next to their corresponding signal. 2. Search 'Signature' Convert PDF но Edit PDF A B Comment OH HO Combine Files D E EI Organize Pages 24 16 2 Redact A Compress PDF 16 U Protect 8 D Fill & Sign Create, edit and sign PDF forms & agreements PPM b. Briefly explain your answer 2 (a) based on number of signals, position of signals and the integration of the signals. Start Free Trial
Explain why you see double signals in the MS spectra of "compound X" for some mayor peaks with a difference of 2 m/z units. (2) h) Identify the hydrogens of "compound X" as unrelated, identical, enantiotopic, and/or diastereotopic where appropriate. Which one of the hydrogen present in the structure are homotopic.
Predict (draw) the ¹H NMR and 13C NMR spectra for each molecule. Your illustration should include chemical shift, integration, and splitting (where appropriate). Label each signal in your spectrum a, b, c... etc and label the corresponding C/H atoms in each molecule. CI
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3. Making reasonable assumptions for the chemical shifts and coupling constants, draw the expected H. "C'H and DEPT-135 NMR spectra of compound 1, labelling each peak with its assignment and labeling the relevant coupling constants.