Propose chemical structure for the following compound C4H8O2: FTIR signals: 1H NMR: Relative Integration: 0.5 (broad singlet), 0.5 (septet), 3 (doublet) 12 10 ppm 13C NMR: 180 160 140 120 100 80 60 ppm 200 CDS-10-139 A OH i G i OH OH A ов C OD F G H B E F H
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- Deduce the structure from the nmr dataPredict the structure of a compound based on this 13C NMR spectra. The chemical formula of this compound is C4H6O2. Briefly explain your answer.A 'H NMR spectrum is shown for a molecule with the molecula formula of C9H10O2. Draw the structure that best fits this data
- Indicate two basic differences that exist between the spectra of 1H y 13C in NMR.Predict the molecule structure: C14H14O2 H-NMR for H-1: δ 7-8 , multiplicity, 2H; δ 5.4,doublet,1H; δ 5.2, quintet, 1H; δ 2.1,doublet, 3H; C-NMR for C-13: 196, 144, 135, 134, 132, 127, 19 Please check if I draw my molecule correctlyDeduce the structure of this compound.
- The 1H NMR spectrum, 13C NMR spectrum, mass spectrum, and IR spectrum below belong to a chemical with the molecular formula C7H16O. Provide a structure for that compound. You must explain how you determined the structureA compound with the molecular formula C5H1002 has the following NMR spectrum. Determine the number of protons giving rise to the signal at 1.0 ppm. Proton NMR 4.5 01 06 04 02 O 3 4.0 33.2 3.5 3.0 2.5 Integration Values 2.0 48.4 مللی 1.5 33.3 1.0 48.7 0.5 ppmO2N 1 3 7H 6 4 HO 6 8 A Predict the number of signals in the 13C NMR spectrum. Provide a rough sketch of the 13C NMR spectrum of compound A.
- A ¹H NMR spectrum is shown for a molecule with the molecular formula of C9H10O2. Draw the structure that best fits this data. 1H 11 10 9 8 SH 7 4 214 21 1 pom QCompound 1 has molecular formula C7H15Cl. It shows two signals in the 1H-NMR spectrum, one at 1.08 ppm and one at 1.59 ppm. The relative integrals of these two signals are 3 and 2, respectively. Propose structures for compound 1, explaining how you reach your conclusion.A compound has the molecular formula: C4H8O2 and gives the following H-1 NMR spectrum. Give the functional groups responsible for the signals, which integrate as 2H, 3H and 3H (downfield to upfield). nmrsim presentation 1 1 C: Bruker TopSpin3.5p17\examdata elle 3.0000 SODEŹ quartet is CH₂, singlet is CH3 and triplet is OCH3. quartet is CH3, singlet is OCH₂ and triplet is OCH3 quartet is CH₂, singlet is OCH3 and triplet is CH3. quartet is OCH₂, singlet is CH3 and triplet is CH3. quartet is OCH₂, singlet is CH₂ and triplet is CH3. POSE (ppm) 10 [rel]