Organic Chemistry (6th Edition)
6th Edition
ISBN: 9781260119107
Author: Janice Gorzynski Smith
Publisher: McGraw Hill Education
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Chapter 15.2, Problem 1P
Interpretation Introduction
Interpretation: All possible resonance structures for the antihistamine diphenhydramine are to be drawn.
Concept introduction: Resonance structure is a blend of two or more Lewis structures. Resonance structures are represented by a double headed arrow between the structures.
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Draw the seven resonance structures for the tropylium cation.
Aspirin is the common name for the compound acetylsalicylic acid, widely used as a
fever reducer and as a pain killer. Salicylic acid, whose name comes from Salix, the
willow family of plants, was derived from willow bark extracts. In folk medicine, willow
bark teas were used as headache remedies and other tonics. Nowadays, salicylic acid
is administered in the form of aspirin which is less irritating to the stomach than salicylic
acid. To prepare aspirin, salicylic acid is reacted with an excess of acetic anhydride.
A small amount of a strong acid is used as a catalyst which speeds up the reaction. In
this experiment, phosphoric acid will be used as the catalyst. The excess acetic acid
will be quenched with the addition of water. The aspirin product is not very soluble in
water so the aspirin product will precipitate when water is added. The synthesis
reaction of aspirin is shown below:
Actic anhydride
5 ml.
Acetic acid
Salicylic acid
28
Acetylsalicylie acid
Procedure
1)
Mix salicylic…
A carboxylic acid has two oxygen atoms, each with two nonbonding pairs of electrons.(a) Draw the resonance forms of a carboxylic acid that is protonated on the hydroxyoxygen atom.(b) Compare the resonance forms with those given previously for an acid protonated on thecarbonyl oxygen atom
Chapter 15 Solutions
Organic Chemistry (6th Edition)
Ch. 15.2 - Prob. 1PCh. 15.2 - Problem 17.2 What orbitals are used to form the...Ch. 15.3 - Prob. 4PCh. 15.3 - Problem-17.5 What is the structure of propofol,...Ch. 15.6 - Prob. 7PCh. 15.8 - Prob. 8PCh. 15.8 - Prob. 11PCh. 15.8 - Prob. 12PCh. 15.8 - Problem 17.16 Rank the following compounds in...Ch. 15.8 - Problem 17.17 Draw the seven resonance structures...
Ch. 15 - 17.23 Name each compound and state how many lines...Ch. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - 17.27 Give the IUPAC name for each compounds.
a....Ch. 15 - 17.28 Draw a structure corresponding to each...Ch. 15 - 17.29 a. Draw the 14 constitutional isomers of...Ch. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - 17.38
How many electrons does C contain?
How...Ch. 15 - Prob. 36PCh. 15 - 17.40 Explain the observed rate of reactivity of...Ch. 15 - 17.41 Draw a stepwise mechanism for the following...Ch. 15 - Prob. 39PCh. 15 - 17.43 Draw additional resonance structures for...Ch. 15 - Prob. 41PCh. 15 - Prob. 42PCh. 15 - 17.46 Which compound in each pair is the stronger...Ch. 15 - 17.47 Treatment of indene with forms its...Ch. 15 - Prob. 45PCh. 15 - 17.49 Draw the conjugate bases of pyrrole and...Ch. 15 - 17.50 a. Explain why protonation of pyrrole occurs...Ch. 15 - Prob. 48PCh. 15 - Prob. 49PCh. 15 - 17.53 How many signals does each compound...Ch. 15 - 17.54 Which of the diethylbenzene isomers (ortho,...Ch. 15 - 17.55 Propose a structure consistent with each...Ch. 15 - 17.56 Propose a structure consistent with each...Ch. 15 - 17.57 Thymol (molecular formula ) is the major...Ch. 15 - 17.58 You have a sample of a compound of molecular...Ch. 15 - 17.59 Explain why tetrahydrofuran has a higher...Ch. 15 - 17.60 Rizatriptan (trade name Maxalt) is a...Ch. 15 - 17.61 Zolpidem (trade name Ambien) promotes the...Ch. 15 - 17.62 Answer the following questions about...Ch. 15 - 17.63 Stanozolol is an anabolic steroid that...Ch. 15 - Prob. 61P
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