C5H10O IR peaks at 2950, 1720 (cm-1) 1H NMR: 2.6 (1H, septet) 2.1 (3H, singlet) 1.0 (6H, doublet) C4H8Br2: IR peak at 3000-2850 cm-¹ 1H NMR: 1.87 (singlet, 6 H) 3.86 (singlet, 2 H)
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- Propose a structure consistent with each set of spectral data: a. C4H8Br2: IR peak at 3000–2850 cm−1; NMR (ppm): 1.87 (singlet, 6 H) 3.86 (singlet, 2 H) b.C3H6Br2: IR peak at 3000–2850 cm−1; NMR (ppm): 2.4 (quintet) 3.5 (triplet) c. C5H10O2: IR peak at 1740 cm−1; NMR (ppm): 1.15 (triplet, 3 H) 2.30 (quartet, 2 H) 1.25 (triplet, 3 H) 4.72 (quartet, 2 H) d.C3H6O: IR peak at 1730 cm−1; NMR (ppm): 1.11 (triplet) 2.46 (multiplet) 9.79 (triplet)Propose a structure consistent with each set of spectral data: a.C6H14O: IR peak at 3600−3200 cm−1; NMR (ppm): 0.8 (triplet, 6 H) 1.5 (quartet, 4 H) 1.0 (singlet, 3 H) 1.6 (singlet, 1 H) b.C6H14O: IR peak at 3000−2850 cm−1; NMR (ppm): 1.10 (doublet, relative area = 6) 3.60 (septet, relative area = 1)Please show complete answer. Propose a structure consistent with following set of spectral data: a. C5H10O2: IR peak at 1740 cm−1; NMR (ppm): 1.15 (triplet, 3 H) 2.30 (quartet, 2 H) 1.25 (triplet, 3 H) 4.72 (quartet, 2 H) b. C3H6O: IR peak at 1730 cm−1; NMR (ppm): 1.11 (triplet) 2.46 (multiplet) 9.79 (triplet)
- Propose a structure consistent with following set of spectral data: C5H10O2: IR peak at 1740 cm−1; NMR (ppm): 1.15 (triplet, 3 H) 2.30 (quartet, 2 H) 1.25 (triplet, 3 H) 4.72 (quartet, 2 H)1) Propose the structures for the following 1H and 13C NMR spectra. a) Molecular Formula: C5H10O2 1H-NMR, CDCl3 Solvent, Molecular Formula: C5H10O2 13C-NMR, CDCl3 Solvent, Molecular Formula: C5H10O2 in the picturesCompound B has molecular formula C9H12. It shows five signals in the 1H-NMR spectrum - a doublet of integral 6 at 1.22 ppm, a septet of integral 1 at 2.86 ppm, a singlet of integral 1 at 5.34 ppm, a doublet of integral 2 at 6.70 ppm, and a doublet of integral 2 at 7.03 ppm. The 13C-NMR spectrum of B shows six unique signals (23.9, 34.0, 115.7, 128.7, 148.9, and 157.4). Identify B and explain your reasoning.
- Draw the structure that gives the NMR below. The compound has the molecular formula, C5H10O2.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-1and 1200 cm-1(in addition to others). *Make sure to indicate (label) which hydrogen gives which signal.An unknown compound (x) contains only carbon and hydrogen, has MW=112 and exhibits the spectral data below. In addition to the IR signal listed below, there are only peaks corresponding to C-H stretches (between 3300 and 2900) and several in the "fingerprint region". IR (cm-1) 2145 CNMR (ppm) 77.8, 70.1, 30.2 H NMR (ppm) 2.45 (singlet)Draw the structure that gives the NMR below. The compound has the molecular formula, C5H10O2. Signal at 3.61(singlet, 3H), 2.32(triplet, 2H), 1.68(sextet, 2H) and 0.99(triplet, 3H). IR shows strong bands at 1710 cm-1and 1200 cm-1(in addition to others). **Make sure to indicate (label) which hydrogen gives which signal.
- Identify the structures of isomers A and B (molecular formula C9H10O). Compound A: I R peak at 1742 cm−1; 1H NMR data (ppm) at 2.15 (singlet, 3 A: H), 3.70 (singlet, 2 H), and 7.20 (broad singlet, 5 H). Compound B: I R peak at 1688 cm−1; 1H NMR data (ppm) at 1.22 (triplet, 3 B: H), 2.98 (quartet, 2 H), and 7.28–7.95 (multiplet, 5 H).Propose a structure consistent with following set of spectral data: C3H6O: IR peak at 1730 cm−1; NMR (ppm): 1.11 (triplet) 2.46 (multiplet) 9.79 (triplet)The molecular formula of an unknown compound is C7H13BrO2, The strong peak at 1750 cm^-1 The proton NMR data is, 1.2d(6H, d), 4.2d(1H, t), 2.2d(2H, quintet), 4.93d(1H, septet),1.08d(3H,t).What is the name of the unknown compound? Isopropyl 2-bromobutanoate 1-bromopropyl isobutyrate ethyl 2-bromo-3-methylbutanoate 1-bromoethyl 3-methylbutanoate