ORGANIC CHEMISTRY-OWL V2 ACCESS
ORGANIC CHEMISTRY-OWL V2 ACCESS
8th Edition
ISBN: 9781305582422
Author: Brown
Publisher: CENGAGE L
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Chapter 21, Problem 21.48P

In the chemical synthesis of DNA and RNA, hydroxyl groups are normally converted to triphenylmethyl (trityl) ethers to protect the hydroxyl group from reaction with other reagents.

Chapter 21, Problem 21.48P, In the chemical synthesis of DNA and RNA, hydroxyl groups are normally converted to triphenylmethyl , example  1

Triphenylmethyl ethers are stable to aqueous base but are rapidly cleaved in aqueous acid.

Chapter 21, Problem 21.48P, In the chemical synthesis of DNA and RNA, hydroxyl groups are normally converted to triphenylmethyl , example  2

  1. (a) Why are triphenylmethyl ethers so readily hydrolyzed by aqueous acid?
  2. (b) How might the structure of the triphenylmethyl group be modified to increase or decrease its acid sensitivity?
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Chapter 21 Solutions

ORGANIC CHEMISTRY-OWL V2 ACCESS

Ch. 21 - Name the following compounds and ions.Ch. 21 - Prob. 21.9PCh. 21 - Draw a structural formula for each compound. (a)...Ch. 21 - Molecules of 6,6-dinitrobiphenyl-2,2-dicarboxylic...Ch. 21 - Following each name is the number of Kekul...Ch. 21 - Prob. 21.13PCh. 21 - Prob. 21.14PCh. 21 - Prob. 21.15PCh. 21 - Which of the molecules and ions given in Problem...Ch. 21 - Prob. 21.17PCh. 21 - Naphthalene and azulene are constitutional isomers...Ch. 21 - Prob. 21.19PCh. 21 - Prob. 21.20PCh. 21 - Following are IR and 1H-NMR spectra of compound D....Ch. 21 - Compound E (C8H10O2) is a neutral solid. Its mass...Ch. 21 - Following are 1H-NMR and 13C-NMR spectral data for...Ch. 21 - Following are 1H-NMR and 13C-NMR spectral data for...Ch. 21 - Compound H (C8H6O3) gives a precipitate when...Ch. 21 - Compound I (C11H14O2) is insoluble in water,...Ch. 21 - Propose a structural formula for compound J...Ch. 21 - Propose a structural formula for the analgesic...Ch. 21 - Prob. 21.29PCh. 21 - Prob. 21.30PCh. 21 - Given here are 1H-NMR and 13C-NMR spectral data...Ch. 21 - Prob. 21.32PCh. 21 - Prob. 21.33PCh. 21 - Prob. 21.34PCh. 21 - Arrange the molecules and ions in each set in...Ch. 21 - Prob. 21.36PCh. 21 - Prob. 21.37PCh. 21 - From each pair, select the stronger base.Ch. 21 - Prob. 21.39PCh. 21 - Prob. 21.40PCh. 21 - Prob. 21.41PCh. 21 - Prob. 21.42PCh. 21 - Following is an equation for iodination of...Ch. 21 - Prob. 21.44PCh. 21 - Prob. 21.45PCh. 21 - Prob. 21.46PCh. 21 - When warmed in dilute sulfuric acid,...Ch. 21 - In the chemical synthesis of DNA and RNA, hydroxyl...Ch. 21 - Prob. 21.49PCh. 21 - Write the products of the following sequences of...Ch. 21 - Prob. 21.51PCh. 21 - Show how to convert 1-phenylpropane into the...Ch. 21 - Prob. 21.53PCh. 21 - Cromolyn sodium, developed in the 1960s, has been...Ch. 21 - Prob. 21.55PCh. 21 - Prob. 21.56PCh. 21 - Prob. 21.57PCh. 21 - Prob. 21.58PCh. 21 - Prob. 21.59PCh. 21 - Prob. 21.60PCh. 21 - Prob. 21.61PCh. 21 - Prob. 21.62PCh. 21 - Prob. 21.63PCh. 21 - Following is a synthesis for toremifene, a...
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