Concept explainers
(a)
Interpretation:
The product of the given reaction is to be predicted.
Concept introduction:
The C atom in the
Answer to Problem 19.1P
The product of the given reaction is
Explanation of Solution
The given reaction is
Magnesium is an active metal and reacts with the polar
Thus, the product of the reaction is phenyl magensium iodide:
The structure of the product was drawn based on reversal of the charge on the carbon atom from the
(b)
Interpretation:
The product of the given reaction is to be predicted.
Concept introduction:
The C atom in the
Answer to Problem 19.1P
The product of the given reaction is
Explanation of Solution
The given reaction is
The
In essence, the reaction inserts the metal atom between the C and Br atoms and leads to a reversal of the charge on the carbon atom.
Thus, the product of the reaction is
The product of the reaction was drawn based on the reversal of charge on the C atom bonded to bromine.
(c)
Interpretation:
The product of the given reaction is to be predicted.
Concept introduction:
The C atom in the
Answer to Problem 19.1P
The product of the reaction is
Explanation of Solution
The given reaction is
Li is a very active metal and will extract the iodine atom from the substrate. The
Effectively, the reaction results in the replacement of the iodine atom by Li atom, therefore, the product will be
The product of the reaction was drawn based on the reversal of the charge on the carbon atom initially bonded to iodine.
(d)
Interpretation:
The product of the given reaction is to be drawn.
Concept introduction:
The C atom in the
This reverses the initial polarity (charge) of the carbon, allowing it to form a bond with an electron-poor carbon from say a carbonyl carbon.
Answer to Problem 19.1P
The product of the given reaction is
Explanation of Solution
The given reaction is
The product from part (c) is cyclopentyllithium. Two moles of this compound will react with one of copper(I) iodide to form
The carbon atom in the
The product of the reactio is, therefore,
The product of the reaction was drawn based formation of a bond between the relatively electron-rich carbon atoms and the copper atom.
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Chapter 19 Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
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