Organic Chemistry
5th Edition
ISBN: 9780078021558
Author: Janice Gorzynski Smith Dr.
Publisher: McGraw-Hill Education
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Chapter 25, Problem 25.73P
Treatment of compound D with LiAlH4 followed by H2O forms compound E. D shows a molecular ion in its mass spectrum at
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Treatment of compound D with LiAlH4 followed by H2O forms compound E. D shows a molecular ion in its mass spectrum at m/z = 71 and IR absorptions at 3600–3200 and 2263 cm−1. E shows a molecular ion in its mass spectrum at m/z = 75 and IR absorptions at 3636 and 3600–3200 cm−1. Propose structures for D and E from these data and the given 1H NMR spectra.
Treatment of compound D with LIAIH, followed by H,O forms compound E. D shows a molecular ion
in its mass spectrum at m/z = 71 and IR absorptions at 3600 –- 3200 and 2263 cm. E shows a
molecular ion in its mass spectrum at m/z = 75 and IR absorptions at 3636 and 3600 – 3200 cm'.
Propose structures for D and E from these data and the given 'H NMR spectra.
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Part 1 out of 2
1Η ΝMR of D
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Indicate two basic differences that exist between the spectra of 1H y 13C in NMR.
Chapter 25 Solutions
Organic Chemistry
Ch. 25 - Prob. 25.1PCh. 25 - Prob. 25.2PCh. 25 - Prob. 25.3PCh. 25 - Prob. 25.4PCh. 25 - Prob. 25.5PCh. 25 - Prob. 25.6PCh. 25 - Problem 25.7
Draw the product of each...Ch. 25 - Prob. 25.8PCh. 25 - Prob. 25.9PCh. 25 - Prob. 25.10P
Ch. 25 - Prob. 25.11PCh. 25 - Prob. 25.12PCh. 25 - Prob. 25.13PCh. 25 - Prob. 25.14PCh. 25 - Prob. 25.15PCh. 25 - Prob. 25.16PCh. 25 - Prob. 25.17PCh. 25 - Problem 25.18
Write out steps to show how each of...Ch. 25 - Prob. 25.19PCh. 25 - Prob. 25.20PCh. 25 - Prob. 25.21PCh. 25 - Problem 25.22
Which nitrogen atom in each compound...Ch. 25 - Prob. 25.23PCh. 25 - Prob. 25.24PCh. 25 - Prob. 25.25PCh. 25 - Prob. 25.26PCh. 25 - Prob. 25.27PCh. 25 - Problem 25.28
Draw the major product formed in...Ch. 25 - Prob. 25.29PCh. 25 - Prob. 25.30PCh. 25 - Problem 25.31
Devise a synthesis of each compound...Ch. 25 - Prob. 25.32PCh. 25 - Problem 25.33
What starting materials are needed...Ch. 25 - Problem 25.34
(a) What two components are needed...Ch. 25 - Prob. 25.35PCh. 25 - Prob. 25.36PCh. 25 - 25.37 Varenicline (trade name Chantix) is a drug...Ch. 25 - Give a systematic or common name for each...Ch. 25 - Prob. 25.39PCh. 25 - 25.40 How many stereogenic centers are present in...Ch. 25 - 25.41 Rank the compounds in each group in order of...Ch. 25 - 25.42 Decide which atom in each molecule is most...Ch. 25 - 25.43 Explain why pyrimidine is less basic than...Ch. 25 - 25.44 Rank the nitrogen atoms in each compound in...Ch. 25 - 25.45 Explain why nitroaniline is a stronger base...Ch. 25 - 25.46 Explain the observed difference in the...Ch. 25 - 25.47 Why is pyrrole more acidic than...Ch. 25 - Prob. 25.48PCh. 25 - Prob. 25.49PCh. 25 - Prob. 25.50PCh. 25 - 25.51 How would you separate toluene , benzoic...Ch. 25 - 25.52 Draw the products formed when methylaniline ...Ch. 25 - Prob. 25.53PCh. 25 - Prob. 25.54PCh. 25 - 25.55 Draw the organic products formed in each...Ch. 25 - Prob. 25.56PCh. 25 - 25.57 Identify A, B, and C, three intermediates in...Ch. 25 - Prob. 25.58PCh. 25 - Prob. 25.59PCh. 25 - 25.60 A chiral amine A having the configuration...Ch. 25 - 25.61 Draw a stepwise mechanism for each...Ch. 25 - 25.62 Draw a stepwise mechanism for the following...Ch. 25 - Prob. 25.63PCh. 25 - 25.64 Tertiary aromatic amines react with and ...Ch. 25 - 25.65 Devise a synthesis of each compound from...Ch. 25 - Prob. 25.66PCh. 25 - Prob. 25.67PCh. 25 - Prob. 25.68PCh. 25 - Prob. 25.69PCh. 25 - 25.70 Devise a synthesis of each biologically...Ch. 25 - 25.71 Devise a synthesis of each compound from...Ch. 25 - 25.72 Three isomeric compounds A, B, and C, all...Ch. 25 - 25.73 Treatment of compound D with LiAlH4 followed...Ch. 25 - Prob. 25.74PCh. 25 - 25.75 Rank the following compounds in order of...Ch. 25 - Prob. 25.76PCh. 25 - Prob. 25.77PCh. 25 - Prob. 25.78P
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- A molecule of the molecular formula C5H11Br gives rise to the NMR spectrum below. When reacted with NaOH and water, it forms a product which by NMR has 2 protons 1H at 5.4 ppm and 1H at 5.5 ppm each having a J coupling of 17 Hz. (other protons also present) The product also has an IR stretch at 1550 cm1. Provide the structures of the starting material (1 pt) and product (2 pts) NaOH H20 C5H1,Br 6H triplet 4H quintet 1H quintet 10 8 7 6. 4 3 1 HSP-06-347 ppmarrow_forwardHow could 1H NMR spectroscopy be used to distinguish among isomers A, B, and C?arrow_forwardPropose a structure for a compound that displays the given spectroscopic data. The molecular ion in the mass spectrum appears at m/z = 116. IR: 1710 (s) and 3000 (s, broad) cm¹. ¹H NMR: 8 = 0.94 (t, J = 7.0 Hz, 6H), 1.59 (m, 4H), 2.36 (quintet, J = 7.0 Hz, 1H) and 12.04 (broad s, 1H) ppm. 13C NMR: 8 = 11.7, 24.7, 48.7, and 183 ppm. Deduce the structure. Select 11 ||| ||| Q Search Draw C H O • Templates More Question Source: Vollhardt 7e - Organic Chemistry: Structure And Function P W Erase Publisher: W.H. Freeman ENG 4: 4/18arrow_forward
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