A substituted styrene derivative has the following 'H NMR data: 1H NMR (CDCI3, 400 MHz) 8 8.37 (d, 2H), 8.03 (d, 2H), 6.86 (dd, 1H), 6.05 (d, 1H), 5.55 (d, 1H). The structure of styrene itself is C6HsCH=CHz. Which styrene derivative is it? which one is it 2-Fluorostyrene 2-Nitrostvrene 4-Fluorostyrene 3-Hydroxystyrene 4-Nitrostyrene

A substituted styrene derivative has the following 'H NMR data: 1H NMR (CDCI3, 400 MHz) 8 8.37 (d, 2H), 8.03 (d, 2H), 6.86 (dd, 1H), 6.05 (d, 1H), 5.55 (d, 1H). The structure of styrene itself is C6HsCH=CHz. Which styrene derivative is it? which one is it 2-Fluorostyrene 2-Nitrostvrene 4-Fluorostyrene 3-Hydroxystyrene 4-Nitrostyrene

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter18: Ethers And Epoxides; Thiols And Sulfides

Section18.SE: Something Extra

Problem 54AP: Anethole, C10H12O, a major constituent of the oil of anise, has the 1H NMR spectrum shown. On...

See similar textbooks

Similar questions

Reaction of p-cresol with two equivalents of 2-methylprop-1-ene affords BHT, a preservative with molecular formula C15H24O. BHT gives the following 1H NMR spectral data: 1.4 (singlet, 18 H), 2.27 (singlet, 3 H), 5.0 (singlet, 1 H), and 7.0 (singlet, 2 H) ppm. What is the structure of BHT? Draw a stepwise mechanism illustrating how it is formed.
Reaction between this aldehyde and ketone in base gives a compound A with the proton NMR spectrum: ô 1.10 (9H, s), 1.17 (9H, s), 6.4 (1H, d, J 15), and 7.0 (1H, d, J 15). What is its structure? (Don't forget stereochemistry!). When this compound reacts with HBr it gives compound B with this NMR spectrum: õu 1.08 (9H, s), 1.13 (9H, s), 2.71 (1H, dd, J 1.9, 17.7), 3.25 (dd, J10.0, 17.7), and 4.38 (1H, dd, J 1.9, 10.0). Suggest a structure, assign the spectrum, and give a mechanism for the formation of B. H base C11H₂00 HBr B C11H₂1 Bro
Propose a structure for each of the following two isomers with formula C6H14 given their 1H-NMR spectra. Isomer A: δ = 0.84 (d, 12 H), 1.39 (septet, 2H) ppm Isomer B: δ = 0.84 (t, 3 H), 0.86 (t, 9H), 1.22 (q, 2H) ppm
Reaction of p-cresol with two equivalents of 2-methylprop-1-ene affordsBHT, a preservative with molecular formula C15H24O. BHT gives thefollowing 1H NMR spectral data: 1.4 (singlet, 18 H), 2.27 (singlet, 3 H), 5.0(singlet, 1 H), and 7.0 (singlet, 2 H) ppm. What is the structure of BHT?Draw a stepwise mechanism illustrating how it is formed.
Propose a structure for a C,H150,N compound that is unstable in aqueous acid and has the given NMR spectra. 'H NMR: 8 2.30 (6H, s); 8 2.45 (2H, d, J = 6 Hz); 8 3.27 (6H, s); 8 4.50 (1H, t, J = 6 Hz) 13C NMR: 8 46.3, 8 53.2, 8 68.8, 8 102.4 Draw C,H1502N. Select Draw Rings More C N APR étv N Aa MacBook Air
2. Provide the structure of E-2,5-dimethyloct-5-enoic acid. 3. a. Name the structure with the following 'H NMR spectrum. 8 (ppm) = 12.71 (1H, s), 8.04 (2H, d), 7.30 (2H, d), 2.41 (3H, s)
Deduce the identity of the following compound from the spectral data given. C8H10: 1H NMR, 6 1.20 (3H, triplet), 2.60 (2H, quartet), 7.12 (5H, singlet) (ppm); IR, 3050, 2970, 1600 cm-1; MS, m/z 91
Reaction of (CH3)3CCHO with (C6H5)3P=C(CH3)OCH3, followed by treatment with aqueous acid, affords R (C7H14O). R has a strong absorption in its IR spectrum at 1717 cm−1 and three singlets in its 1H NMR spectrum at 1.02 (9 H), 2.13 (3 H), and 2.33 (2 H) ppm. What is the structure of R? We will learn about this reaction in Chapter 18.
Adiol (C8H1802) does not react with periodic acid. Its 1H NMR spectrum contains three singlets at § 1.2 (12 protons), 1.6 (4 protons), and 2.0 ppm (2 protons). What is the structure of this diol?
A compound with molecular formula C5H10Br2 displays the following 13C NMR along with the DEPT-90 and DEPT-135 13CNMR spectra. What is the structure for this compound?
Propose a structure consistent with each set of data.a. Compound A:Molecular formula: C8H10OIR absorption at 3150–2850 cm–11H NMR data: 1.4 (triplet, 3 H), 3.95 (quartet, 2 H), and 6.8–7.3 (multiplet, 5 H) ppm b. Compound B:Molecular formula: C9H10O2IR absorption at 1669 cm–11H NMR data: 2.5 (singlet, 3 H), 3.8 (singlet, 3 H), 6.9 (doublet, 2 H), and 7.9 (doublet, 2 H) ppm
Acid-catalyzed hydrolysis of HOCH2CH2C(CH3)2CN forms compound A (C6H10O2). A shows a strong peak in its IR spectrum at 1770 cm-1 and the following signals in its 1H NMR spectrum: 1.27 (singlet, 6 H), 2.12 (triplet, 2 H), and 4.26 (triplet, 2 H) ppm. Draw the structure for A and give a stepwise mechanism that accounts for its formation.