Concept explainers
a.
To identify:
The given compound as a purine or a pyrimidine and name it.
Introduction:
The organic compound having a “nitrogen” atom having chemical characteristics of bases is known as “nitrogen base”. A nitrogenous base connects the two
a.
Explanation of Solution
Pictorial representation:
Fig. 1: Purine.
Fig. 1: Purine
Explanation:
The nitrogenous base that is composed of pyrimidine ring connected to the imidazole ring is a purine. There are four “nitrogen” and two “nitrogen-carbon” rings in the structure.
The given nitrogenous base has basic structure that of a purine. The given nitrogenous base is “adenine”.
b.
To identify:
The given compound as a purine or a pyrimidine and name it.
Introduction:
The organic compound having a “nitrogen” atom having chemical characteristics of bases is known as “nitrogen base”. A nitrogenous base connects the two nucleic acids. It resembles the base due to the availability of a “lone pair” of electrons on the nitrogen. There are two types of nitrogenous bases “purines” and “pyrimidines”.
b.
Explanation of Solution
Pictorial representation:
Fig. 2: Pyrimidine.
Fig. 2: Pyrimidine
Explanation:
The nitrogenous base that resembles pyrimidine and benzene in structure and has two nitrogen atoms in the ring is known as a pyrimidine. There are two nitrogen and one “nitrogen-carbon” ring.
The given nitrogenous base has basic structure that of a pyrimidine. The given nitrogenous base is “cytosine”.
The first given compound is adenine and the second compound is cytosine.
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Chapter 11 Solutions
General, Organic, and Biological Chemistry (3rd Edition)
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