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Propose structures consistent with each set of data: (a) a hydrocarbon with a molecular ion at
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- Draw a structure consistent with the following set of data: a hydrocarbon with a molecular ion at m/z = 68 and IR absorptions at 3310, 3000−2850, and 2120cm−1.arrow_forwardAn compound that has a molecular formula of C5H11NO, has the below 1H NMR spectrum which is showen in the picture. There is a strong single peaked absorption at 3400 and 1710 cm-1and there are couple of mdium peaks between 2800 and 3000 cm-1. Which of the options below is more consistent with this spectrum?arrow_forwardAn organic compound B with formula C6H14O has the following: IR Spectroscopy 2974 cm-1, 1080 cm-1 Mass Spectrometry 102 (M+), 87, 73 1H NMR Spectroscopy Eight signals at δ 1.10 (d, 3H), 1.13 (dd, 3H), 1.14 (dd, 3H), 1.59 (ddq, 1H), 1.60 (ddq, 1H), 3.19 (ddq, 1H), 3.51 (dq, 1H), 3.50 (dq, 1H). Compound B is obtained by the reaction of compound A with NaH followed by CH3CH2Br. The stereochemistry of A is "S" Using this information, deduce a plausible structure for Compound A with correct stereochemistry.arrow_forward
- Treatment of anisole (CH3OC6H5) with Cl2 and FeCl3 forms P, which has peaks in its mass spectrum at m/z = 142 (M), 144 (M + 2), 129, and 127. P has absorptions in its IR spectrum at 3096–2837 (several peaks), 1582, and 1494 cm-1. Propose possible structures for P.arrow_forwardPropose a structure for a compound of molecular formula C7H14O2 with an IR absorption at 1740 cm−1 and the following 1H NMR data: Absorption ppm Relative area singlet 1.2 9 triplet 1.3 3 quartet 4.1 2arrow_forwardC9H10O2: IR absorption at 1718 cm–1. Propose a structure with data given.arrow_forward
- Reaction of pentanoyl chloride (CH3CH2CH2CH2COCl) with lithium dimethyl cuprate [LiCu(CH3)2] forms a compound J that has a molecular ion in its mass spectrum at 100, as well as fragments at m/z = 85, 57, and 43 (base). The IR spectrum of J has strong peaks at 2962 and 1718 cm-1. Propose a structure for J.arrow_forwardPropose a structure for a compound of molecular formula C3H8O with an IR absorption at 3600–3200 cm−1 and the following NMR spectrum:arrow_forwardFollowing is the 1H-NMR spectrum of compound O, molecular formula C7H12. Compound O reacts with bromine in carbon tetrachloride to give a compound with the molecular formula C7H12Br2. The 13C-NMR spectrum of compound O shows signals at d 150.12, 106.43, 35.44, 28.36, and 26.36. Deduce the structural formula of compound O.arrow_forward
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