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The 'H-NMR spectrum of an unknown compound with molecular formula C5H10 is shown below. Deduce a...
The H-and 1c-NMR spectra for an unknown compound with molecular formula CH1402 are shown below. Deduce a structural formula for this compound H-NMR 13C-NMR 171.15 63.12 37.31 25.05 22,45 21.06 0.92 (d, 6H) 1.52 (m, 2H) 1.70 (m, 1H 2.09 (s, 3H) 4.10 (t, 2H) .You do not have to consider stercochemistry You do not have to explicitly draw H atoms Do not include lone pairs in your answer. They will not be considered in the grading
The 1H NMR spectrum below corresponds to an unknown compound
with the molecular formula C4H7Cl. Deduce and draw the structure of
the molecule from the data below. Clearly show stereochemistry
where applicable.
3 H H NMR 2 H 1 H (CH3)4Si 1 H 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 300-MHz H NMR spectrun ppm (o)
The ^1H- and ^13C-NMR data for an unknown compound with molecular formula C_4H_4O_5 are shown below. Deduce a structural formula for this compound. ^1NMR: 4.46 (s, 2H), 11.0 (s, 2H). ^13C-NMR: 191.8,171.5,162.8, 37.2. 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.
Draw the structure of the compound C3H3CI3 from its proton (H) NMR spectrum below. First-order spin-spin splitting rules and equal coupling constants can be assumed. (Detailed analysis of any non-first order portions of the spectrum will not be required.) Integral ratios to the nearest whole number are (left to right) 1:2 Flash Installation and Troubleshooting Solvent CDCl Used with permission from Aldrich Chemical Co., Inc (Impurities at 3.34, 4.05, & 4.07 ppm) Chemical shift x5 Y ZOOM MEASURE 15 0.0...
Draw the structure of the compound C_9H_10O that exhibits the^13C-NMR spectrum below. Impurity peaks are omitted from the peak list. The triplet at 77 ppm is CDCl_3. Used with permission from Aldrich Chemical Co., Inc. You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. Do not include lone pairs in your answer. They will not be considered in the grading.
TReferences [Review Topics] Draw the structure of the compound C,H,O, from its proton ("H) NMR spectrum below. First-order spin-upin splitting rules and equal coupling constants can be assumed. (Detailed analysis of any non-first order portions of the spectrum will not be required.) Integral ratios to the nearest whole number are (left to right) 1:5:1:3. Flash Installation and Troubleshooting Used with permission from Aldrich Chemical Co., Inc. Solvent CDC *5Y ZOOM MEASURE 104 83 63 Chemical shift, (ppm) 21 (Use your...
The^1H NMR spectrum below corresponds to an unknown compound with the molecular formula C_4H_8O. Deduce and draw the structure of the molecule that corresponds to the data below.
^1H NMR spectrum below corresponds to an unknown compound with the molecular formula C_4H_8O. Deduce and draw the structure of the molecule that corresponds to the data below.
The^1H NMR spectrum below corresponds to an unknown compound with the molecular formula C_3H_4CI_2. Deduce and draw the structure of the molecule that corresponds to the data below.
A compound, CyH,202, has an IR spectrum showing a peak at 1710 cm. Its 'H NMR spectrum has peaks at delta 1.3 (3 H, triplet), 4.3 (2 H, quartet), 6.5 (1 H, doublet), 7.4-7.6 (5 H, multiplet), and 7.7 (1 H, doublet). Draw its structure in the window below. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. . Do not include lone pairs in your answer. They will not be...