
Concept explainers
(a)
Interpretation:
The base and the monosaccharide in the given
Concept Introduction:
The two types of nucleotides are DNA and RNA.
There are five common nitrogen-containing bases that are present in nucleic acids; cytosine, uracil, thymine, adenine, and guanine.
In ball-and-stick model each atom has a specific color.
Red − Oxygen atoms.
White − H atoms.
Black − Carbon atoms.
Blue − N atoms.
(b)
Interpretation:
Three- or four-letter abbreviation for the compound needs to be determined.
Concept Introduction:
To make a nucleotide; a phosphate group is added to the 5'-OH of a nucleoside.
Nucleotides are named by adding the term 5'-monophosphate to the name of the nucleoside from whichthey are derived.
Ribonucleotides are derived from ribose. Deoxyribonucleotides arederived from 2-deoxyribose.

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Chapter 22 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
- Tarrow_forwardPredict the major organic product(s) of the following reactions. Indicate which of the following mechanisms is in operation: SN1, SN2, E1, or E2.arrow_forward(c) (4pts) Mechanism: heat (E1) CH3OH + 1.5pts each _E1 _ (1pt) Br CH3OH (d) (4pts) Mechanism: SN1 (1pt) (e) (3pts) 1111 I H 10 Ill!! H LDA THF (solvent) Mechanism: E2 (1pt) NC (f) Bri!!!!! CH3 NaCN (3pts) acetone Mechanism: SN2 (1pt) (SN1) -OCH3 OCH3 1.5pts each 2pts for either product 1pt if incorrect stereochemistry H Br (g) “,、 (3pts) H CH3OH +21 Mechanism: SN2 (1pt) H CH3 2pts 1pt if incorrect stereochemistry H 2pts 1pt if incorrect stereochemistryarrow_forward
- A mixture of butyl acrylate and 4'-chloropropiophenone has been taken for proton NMR analysis. Based on this proton NMR, determine the relative percentage of each compound in the mixturearrow_forwardQ5: Label each chiral carbon in the following molecules as R or S. Make sure the stereocenter to which each of your R/S assignments belong is perfectly clear to the grader. (8pts) R OCH 3 CI H S 2pts for each R/S HO R H !!! I OH CI HN CI R Harrow_forwardCalculate the proton and carbon chemical shifts for this structurearrow_forward
- A. B. b. Now consider the two bicyclic molecules A. and B. Note that A. is a dianion and B. is a neutral molecule. One of these molecules is a highly reactive compound first characterized in frozen noble gas matrices, that self-reacts rapidly at temperatures above liquid nitrogen temperature. The other compound was isolated at room temperature in the early 1960s, and is a stable ligand used in organometallic chemistry. Which molecule is the more stable molecule, and why?arrow_forwardWhere are the chiral centers in this molecule? Also is this compound meso yes or no?arrow_forwardPLEASE HELP! URGENT!arrow_forward
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