The infrared spectrum of compound A, C,H,0, shows a strong, sharp peak at 1724 cm-1. From this information and its 'H-NMR spectrum, deduce the structure of compound A. CH120 Compound A ЗН 3H 3H IH 2H 10 9. 8. 7 6. 4 3 1 O ppm Chemical shift (8)
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- Compound A with molecular formula C6H10 has two peaks in its 1H NMR spectrum, both of which are singlets (with ratio 9 : 1). Compound A reacts with an acidic aqueous solution containing mercuric sulfate to form compound B, which gives a positive iodoform test and has an 1H NMR spectrum that shows two singlets (with ratio 3 : 1). Identify A and B.There is a Compound called A with the formula C13H20N2O2. In the proton NMR two triplets at 2.8 and 4.3 are coupled to each other. Similarly, a triplet at 1.1 and a quartet at 2.6 are coupled to each other. the carbonyl group appearing at 1669 cm -1 in the IR spectrum has an unusually low value. Please provide the structure of A.An unknown compound A (molecular formula C7H14O) was treated withNaBH4 in CH3OH to form compound B (molecular formula C7H16O).Compound A has a strong absorption in its IR spectrum at 1716 cm−1.Compound B has a strong absorption in its IR spectrum at 3600−3200cm−1. The 1H NMR spectra of A and B are given. What are the structuresof A and B?
- Compounds B and C are isomers with molecular formula C5H9BrO2. The 1H NMR spectrum of compounds B and C are shown below. The IR spectrum corresponding to compound B showed strong absorption bands at 1739, 1225, and 1158 cm-1, while the spectrum corresponding to compound C have strong bands at 1735, 1237, and 1182 cm-1. 1.Based on the information provided, determine the structure of compounds B and C. 2.Assign all peaks in 1H NMR spectrum of compounds B and C.Treatment of isobutene [(CH3)2C = CH2] with (CH3)3CLi forms a carbanion that reacts with CH2=O to form H after water is added to the reaction mixture. H has a molecular ion in its mass spectrum at m/z = 86, and shows fragments at 71 and 68. H exhibits absorptions in its IR spectrum at 3600–3200 and 1651 cm−1, and has the 1H NMR spectrum given below. Whatis the structure of H?Reaction of butanenitrile (CH3CH2CH2CN) with methylmagnesium bromide (CH3MgBr), followed by treatment with aqueous acid, forms compound G. G has a molecular ion in its mass spectrum at m/z = 86 and a base peak at m/z = 43. G exhibits a strong absorption in its IR spectrum at 1721 cm−1 and has the 1H NMR spectrum given below. What is the structure of G?
- Shown are the H NMR spectra for 2 isomeric compounds of the formula C5H10O. The IR spectrum of both have an absorption in the region of 1700 to 1730 cm-1. Provide the structure for each compound, and which hydrogen atoms give rise to the peaks in each spectrum. The peak at 7.27 ppm can be ignored, and the red numbers are integration values.What is the structure of the compound with the formula C10H10O4, if it shows strong IR signal near 3050 and 1730 cm-1, the 1H-NMR spectrum shows only two signals, both singlets. One of them appears at 3.9 ppm with the relative integration value of 79 and the second one appears at 8.1 ppm with the relative integration of 52.Reaction of C6H5CH2CH2OH with CH3COCl affords compound W, whichhas molecular formula C10H12O2. W shows prominent IR absorptions at3088–2897, 1740, and 1606 cm−1. W exhibits the following signals in its1H NMR spectrum: 2.02 (singlet), 2.91 (triplet), 4.25 (triplet), and 7.20–7.35(multiplet) ppm. What is the structure of W?
- What spectral features including mass spectra, IR spectra, proton spectra and carbon spectra allow you to differentiate the product (Benzonitrile) from the starting material (Benzoic Acid)? Show IR,MS,HNMR,CNMR seperatlyShown are the H NMR spectra for 2 isomeric compounds three and four of the formula C5H10O. The IR spectrum of both have an absorption in the region of 1700 to 1730 cm-1. Provide the structure for each compound, and which hydrogen atoms give rise to the peaks in each spectrum. The peak at 7.27 ppm can be ignored, and the red numbers are integration values.A reaction with compound X (C8H15OCl) with water produces a product which has an absorbance in the IR spectrum at 1800 and 3500 cm-1. What fictional group is present?