Concept explainers
(a)
Interpretation: The stereocenters present in the molecule needs to be labelled as R or S.
Concept Introduction:
The Cahn-Ingold-Prelog system is a set of rules that allows us to unambiguously define the stereochemical configuration of any stereocenter, using the designations 'R ' (from the Latin rectus, meaning right-handed) or ' S ' (from the Latin sinister, meaning left-handed).
In the first step, priority is given to 4 different groups attached to the stereocenter. The direction of 4th priority group should be away from the observer. In the second step, direction from 1 to 3 priority group is determined. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
(a)

Explanation of Solution
The given structure can be represented as follows:
Here, stereocenter and priority in groups is labelled as follows:
Here, the lowest priority group is H atom and it is bonded to C atom via dashed bond thus, it is away from us.
Now, determine the direction from 1 to 3 priority group. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
Here, the direction is represented as follows:
Since, it is anticlockwise, the configuration will be S.
(b)
Interpretation: The stereocenters present in the molecule needs to be labelled as R or S.
Concept Introduction:
The Cahn-Ingold-Prelog system is a set of rules that allows us to unambiguously define the stereochemical configuration of any stereocenter, using the designations 'R ' (from the Latin rectus, meaning right-handed) or ' S ' (from the Latin sinister, meaning left-handed).
In the first step, priority is given to 4 different groups attached to the stereocenter. The direction of 4th priority group should be away from the observer. In the second step, direction from 1 to 3 priority group is determined. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
(b)

Explanation of Solution
The given structure can be represented as follows:
Here, stereocenter and priority in groups is labelled as follows:
Here, the lowest priority group is H atom and it is bonded to C atom via dashed bond thus, it is away from us.
Now, determine the direction from 1 to 3 priority group. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
Here, the direction is represented as follows:
Since, it is clockwise, the configuration will be R.
(c)
Interpretation: The stereocenters present in the molecule needs to be labelled as R or S.
Concept Introduction:
The Cahn-Ingold-Prelog system is a set of rules that allows us to unambiguously define the stereochemical configuration of any stereocenter, using the designations 'R ' (from the Latin rectus, meaning right-handed) or ' S ' (from the Latin sinister, meaning left-handed).
In the first step, priority is given to 4 different groups attached to the stereocenter. The direction of 4th priority group should be away from the observer. In the second step, direction from 1 to 3 priority group is determined. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
(c)

Explanation of Solution
The given structure can be represented as follows:
Here, stereocenter and priority in groups is labelled as follows:
Here, the lowest priority group is H atom and it is bonded to C atom via dashed bond thus, it is away from us.
Now, determine the direction from 1 to 3 priority group. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
Here, the direction is represented as follows:
Since, it is clockwise, the configuration will be R.
(d)
Interpretation: The stereocenters present in the molecule needs to be labelled as R or S.
Concept Introduction:
The Cahn-Ingold-Prelog system is a set of rules that allows us to unambiguously define the stereochemical configuration of any stereocenter, using the designations 'R ' (from the Latin rectus, meaning right-handed) or ' S ' (from the Latin sinister, meaning left-handed).
In the first step, priority is given to 4 different groups attached to the stereocenter. The direction of 4th priority group should be away from the observer. In the second step, direction from 1 to 3 priority group is determined. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
(d)

Explanation of Solution
The given structure can be represented as follows:
Here, stereocenter and priority in groups is labelled as follows:
Here, the lowest priority group is H atom and it is bonded to C atom via dashed bond thus, it is away from us.
Now, determine the direction from 1 to 3 priority group. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
Here, the direction is represented as follows:
Since, it is anticlockwise, the configuration will be S.
(e)
Interpretation: The stereocenters present in the molecule needs to be labelled as R or S.
Concept Introduction:
The Cahn-Ingold-Prelog system is a set of rules that allows us to unambiguously define the stereochemical configuration of any stereocenter, using the designations 'R ' (from the Latin rectus, meaning right-handed) or ' S ' (from the Latin sinister, meaning left-handed).
In the first step, priority is given to 4 different groups attached to the stereocenter. The direction of 4th priority group should be away from the observer. In the second step, direction from 1 to 3 priority group is determined. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
(e)

Explanation of Solution
The given structure can be represented as follows:
Here, stereocenter and priority in groups is labelled as follows:
Here, the lowest priority group is H atom and it is bonded to C atom via wedge bond thus, it is towards us.
Now, determine the direction from 1 to 3 priority group. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
Here, the direction is represented as follows:
Here, the direction is clockwise thus, the configuration is R.
(f)
Interpretation: The stereocenters present in the molecule needs to be labelled as R or S.
Concept Introduction:
The Cahn-Ingold-Prelog system is a set of rules that allows us to unambiguously define the stereochemical configuration of any stereocenter, using the designations 'R ' (from the Latin rectus, meaning right-handed) or ' S ' (from the Latin sinister, meaning left-handed).
In the first step, priority is given to 4 different groups attached to the stereocenter. The direction of 4th priority group should be away from the observer. In the second step, direction from 1 to 3 priority group is determined. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
(f)

Explanation of Solution
The given structure can be represented as follows:
Here, stereocenter and priority in groups is labelled as follows:
Here, the lowest priority group is H atom and it is bonded to C atom via wedge bond thus, it is towards us.
Now, determine the direction from 1 to 3 priority group. If the direction is clockwise, the configuration will be R and if it is anticlockwise, the configuration will be S.
Here, the direction is represented as follows:
Here, the direction is clockwise thus, the configuration is R.
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Chapter 14 Solutions
Introduction to General, Organic and Biochemistry
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- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: a) Give the major reason for the exposure of benzophenone al isopropyl alcohol (w/acid) to direct sunlight of pina colone Mechanism For b) Pinacol (2,3-dimethy 1, 1-3-butanediol) on treatment w/ acid gives a mixture (3,3-dimethyl-2-butanone) and 2, 3-dimethyl-1,3-butadiene. Give reasonable the formation of the productsarrow_forwardwhat are the Iupac names for each structurearrow_forwardWhat are the IUPAC Names of all the compounds in the picture?arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
