The structure of compound can be predicted from provided formula, proton NMR and IR spectra.The name of compound is 2-methylbutanoic acid
21. Propose a structure for compound HALLOWEEN with a formula CsH1002 with the following 'H NMR...
20. Propose a structure for compound GHOST with a formula C.HO, with the tom spectrum and IR spectrum. *O2 with the following 'H NMR TRANSACTIEF 21 4000 HAVENUMERI Chem Shift Rel. Area Splitting 4.1 2.0 1.7 1.5 0.9 triplet singlet nonet quartet doublet EN ppm
2. Use the 'H NMR and IR data to determine the structure of the following compounds and name them. Compound A Molecular formula: CroH IR absorptions at N/A H NMR data: 1.3 (singlet, 9H), 7.0 to 7.5 (multiplet, 5H) ppm Compound B Molecular formula: CHO IR absorptions at 1H NMR data: 1735-1745, 1050 cm 0.93 (doublet, 6H), 1.52 (multiplet, 2H), 1.69 (multiplet, 1H), 2.04 (singlet, 3H), and 4.10 (triplet,2H) ppm Compound C Molecular ion: IR absorptions at 1710 cm 1H...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
4. The following 'H NMR spectrum is for a compound with the chemical formula C3HBr. Propose a structure for the compound based on the chemical shifts and multiplicity seen in the given spectrum, along with a brief explanation triplet sextet triplet 11 109876 4320 5 chemical shift (ppm)
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.38 (broad singlet, 1H), 3.49 (triplet, 2H), 2.40 (triplet, 2H), 2.10 (singlet, 3H), and 1.86 (pentet, 2H). IR shows a broad band at 3350 cm and a strong band at 1710 cm (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. PPM
4. Consider the following two diastercomers: Both compounds generate 'H NMR spectra with the following signals: A multiplet between 7.20-7.63 ppm with an integration of 5H Two separate doublets between 5.70-6.50 ppm, each with an integration of 1H A singlet around 1.30 ppm with an integration of 9H Despite the similarities, how could you differentiate between the H NMR spectra of these isomers? 5. Assign each set of protons to their appropriate signals in the 'H NMR spectrum shown below....
Draw the structure that gives the NMR below. The compound has the molecular formula, CsH1002. Signal at 4.13 (triplet, 2H), 2.04 (singlet, 3H), 1.73 (sextet, 2H) and 1.01 (triplet, 3H). IR shows strong bands at 1710 cm-1 and 1200 cm 1 (in addition to others). Make sure to indicate (label) which hydrogen gives which signal. र PPM
b. NMR and IR When the second student runs a 'H NMR of the reaction (shown below) the compound present appears to be rl 8.0 7.5 7.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0s ppm Fill in the missing data in the table below as it pertains to the second student's 'H NMR spectrum above c. Proton peak Integration Chemical Shift Neighbors (n) Splitting pattern (n+) (ppm) 2.4 Report as singlet/doublet/triplet/ete. triplet singlet multiplet な 1.6 0.9 3....
Need help proposing a structure given the following data. Thank you. 21. Propose a structure for a compound that had the formula C H100 and shows the 'H NMR spectrum tabulated below. 1.20 ppm (6H doublet) 3.30 ppm (3 H singlet) 3.55 ppm (1H septet)
Draw the structure of the compound that is consistent with the H NMR data below. Do not draw ar hydrogens in your solution. It must be drawn as a true skeletal structure 3 molecular formula chemical shift (ppm) relative integration multiplicity C5H100 1.50 doublet 1.61 doublet 2.85 broad singlet 3.91 multiplet 5.21-5.40 multiplet