1. Propose the structure of a compound that exhibits the following 'H NMR data: a. CsH10O 1.09 8 (6H, doublet) 2.128 (3H, singlet) 2.588 (1H, septet) b. CH2O 0.91 8 (3H, triplet) 1.198 (6H, singlet) 1.50 8 (2H, quartet) 2.24 ō (1H, singlet)
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- 14. Propose structure for a compound, C9H₁1Br that fits the following ¹H NMR data: 2.15 8 (2H, quintet) 2.75 8 (2H, triplet) 3.38 8 (2H, triplet) 7.22 8 (5H, singlet)7. Propose structures for compounds that fir the following ¹H NMR data: C4H6Cl₂ 2.18 8 (3H, singlet) 4.168 (2H, doublet) 5.71 8 (1H, triplet) C5H10O 0.95 8 (6H, doublet) 2.10 8 (3H, singlet) 2.43 8 (1H, multiplet) C10H14 1.30 8 (9H, singlet) 7.30 8 (5H, singlet)2. The compound with the closed formula C4H9Br gives the following 1H NMR data. Write the clear formula of the compound with reasons. 1.0 ppm (triplet, 3 H); 1.7 ppm (dublet, 3H); 1.8 ppm (multiplet, 2H); 4.2 ppm (multiplet, 1H)
- 10. Deduce the identity of the following compound from the 1H NMR data given and briefly explain C7H7NO3: 8 3.9 (3H, singlet), 6.9 (2H, doublet), 8.1 (2H, doublet) (ppm) question 810. Deduce the identity of the following compound from the 1H NMR data given and briefly explain. C7H7NO3: 8 3.9 (3H, singlet), 6.9 (2H, doublet), 8.1 (2H, doublet) (ppm)Construct a structure of the given 1H NMR data signals.A. C5H12O 0.91 δ (3H, triplet) 1.19 δ (6H, singlet) 1.50 δ (2H, quartet) 2.24 δ (1H, singlet) B. C4H10O 0.90 δ (6H, doublet) 1.76 δ (1H, multiplet) 3.38 δ (2H, doublet) 3.92 δ (1H, singlet) C. C5H10O 1.09 δ (6H, doublet) 2.12 δ (3H, singlet) 2.58 δ (1H, septet)
- Determine the structure of the compound with the following spectral data. You must show your reasoning for full credit. (8pts) You must show your reasoning. MS: M+ (164) and M++2 in 1:1 ratio 1H-NMR: 3.5 (2H, triplet) 1.65 (2H, triplet) 0.9 (9H, singlet)13.45 Propose structures for the two compounds whose 'H NMR spectra are shown. (a) C4H9B1 Chem. Rel. alle shift area 1.05 6.00 1.97 1.00 3.31 2.00 TMS O ppm 10 8. 7 6 3 2 Chemical shift (6) (b) C4H§C12 Chem. Rel. shift area 1.56 3.00 2.13 2.00 3.72 2.00 4.25 1.00 TMS 10 9. 8. 7 6 4 3 2 1 O ppm Chemical shift (8) Intensity IntensityDraw a structure for the compound, C3H5Br, that fits the following 'H NMR data: d 2.32 (3H, singlet) ô 5.35 (1H, broad singlet) ô 5.54 (1H, broad singlet) You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. In cases where there is more than one answer, just draw one. C opy aste C ChemDoodle
- For each of the following compounds, indicate how many 13C NMR signals will be seen. a. c. CH3CH,ċ-OCH CH3 b. CH3CH2CH2OCH2CH2CH3 d. (CH3)2C(OCH32 a: 4; b: 3; c: 3; d: 3 О а: 43B b: 3%3B с: 5; d: 3 O a: 3; b: 4; c: 5; d: 3 O a: 3; b: 3; c: 5; d: 38 8. Correlate each signal in the following 'H NMR for ethyl cinnamate with a particular set of hydrogens. Be sure to explain the location of the signal, the integration pattern, and the splitting pattern for all peaks. 'H NMR (300 MHz, DMSO): 1.21 (3H, t), 4.06 (2H, q), 6.31 (1H, d), 7.48 (1H, d), 7.33 (1H, t), 7.38 (2H, m), 7.54 (2H, d). 7 6 5 4 PPM 3 2 1 X 05. A compound having molecular formula C,H,OS reacts with hydrazine hydrate forming a product C with molecular formula C₁H,N₂S₂. The ¹H-NMR and ¹C-NMR spectra of the product is given below. Identify compounds A and C. Also, assign each NMR peak. Answer as soon as possible within 10 minutes with proper explanation in handwritten form. Don't answer after 11:58 PM Otherwise I will downvote and report !! Thank you