Draw the structure of compound 2 and label how it lines up with the peaks from the NMR Compound 2 зн 1H 2H 4H 2H 2H 2 PPM Compound 2 зн 1H 2H 4H 2H 2H 2 PPM
1H NMR 6. Propose a structure for the compound CzH.O with the following 'H NMR spectral data. 2H 1H 3H 1110 H ppm 7. Propose a structure for the compound C2H60, with the following 'H NMR spectral data. (Note this is the same molecular formula as the previous question) ppm 8. Propose a structure for the compound C,He with the following 'H NMR spectral data. SH2H 1H ppm 9. Propose a structure for the compound CxHyN with the following 'H...
3. Given the 'H NMR spectrum below and a molecular formula of CaH.O, provide a structure. Note you must assign all of the signals in the spectrum below to receive full credit. IR: 3300 cm (broad) (5 pts.) зн, d Зн, t 2H,t 2H, q 2H, m 1H, bs 1H, m 4 3 2 PPM 4. In the space below, draw a 'H NMR spectrum for each of the following molecules. Note that only one of these will be graded...
4. The H NMR spectrum shown below is for a compound with the formula CgHi9lN a) Determine the lOU for the compound b) Propose a structure for the compound c) Assign all H NMR signals to the hydrogens in your structure 6H 4H 4H 4H 1H
Determine Structure of NMR below Molecule J: C6H1002 6H 4H 2 PPM Molecule P: C4H8O зн зн 2H 2 PPM Molecule Q: C4H8O:2 6H 1H exchangeable IH 10 PPM Molecule U: CsH16Clz зн 6H 3H ін 2H 1H 3 C) PPM Molecule J: C6H1002 6H 4H 2 PPM Molecule P: C4H8O зн зн 2H 2 PPM Molecule Q: C4H8O:2 6H 1H exchangeable IH 10 PPM Molecule U: CsH16Clz зн 6H 3H ін 2H 1H 3 C) PPM
1. Provide the structure of the compound illustrated in the below H-NMR spectrum. Label the sets of unequivalent hydrogens in your structure. The formula for the structure is C6H10O2. 2. What is the complex splitting pattern for He? 3. Draw the complex splitting pattern for He and label the coupling constants (J). 4. Why is He more downfield than He? Include drawings to support your answer. 1н 1H 2H ЗН Зн PPM
Propose a reasonable structure for the following IR and NMR: CH140 48 зн] Зн 2H 4H 0.8 0.6 PPN 1.2 1.0 1.4 1.8 1.6 2.2 2.4 2.0 2.8 2.8 3.0 ет
H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows a molecular ion at m/z- 182 in the mass spectrum and has the following 1H NMR spectrum? 7.20, singlet, 5H- 2.9 d, singlet, 2H H NMR: 7.0d (4H, broad singlet); 2.85 o (1H, septet); 2.28 (3H, singlet); 1.20 0(6H doublet) R: 825 cm What is the structure of a hydrocarbon that shows...
3. From the NMR spectrum below, determine the structure of the compound. The molecular formula is C4H7BrO2 . There are no 1H NMR signals outside of the region shown. 3. (5 points) From the NMR spectrum below, determine the structure of the compound. The molecular formula is C4H-BrO2. There are no 'H NMR signals outside of the region shown.
4. Propose a structure for each molecular formula using the provided H NMR spectrum. (a) CH30 6H IH 1H PPM (b) C6H120 ЗН PPM (c) CaHgBr 2H PPM (d) C&H N 2H 2H PPM