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(a)
Interpretation:
The structure for each of the given name is to be drawn.
Concept introduction:
In case of rings containing seven or less than seven carbon atoms, the Z/E configuration is usually omitted for double bonds which are a part of the ring. The E configuration about the double bond is not stable due to ring strain. It is understood that the double bonded carbon atoms have a configuration such that they are cis to each other. In case of rings consisting of more than seven carbon atoms, the double bond, which is a part of the ring, can have E or Z configuration.
If the higher priority groups, attached to the double bonded carbon atoms, are on the same side of the double bond, the
(b)
Interpretation:
The structure for each of the given name is to be drawn.
Concept introduction:
In case of rings containing seven or less than seven carbon atoms, the Z/E configuration is usually omitted for the double bonds which are a part of the ring. The E configuration about the double bond is not stable due to ring strain. It is understood that the double bonded carbon atoms have a configuration such that they are cis to each other. In case of rings consisting of more than seven carbon atoms, the double bond, which is a part of the ring, can have E or Z configuration.
If the higher priority groups, attached to the double bonded carbon atoms, are on the same side of the double bond, the alkene is assigned Z configuration. If the higher priority groups, attached to the double bonded carbon atoms, are on the opposite side of the double bond, the alkene is assigned E configuration.
(c)
Interpretation:
The structure for each of the given name is to be drawn.
Concept introduction:
In case of rings containing seven or less than seven carbon atoms, the Z/E configuration is usually omitted for the double bonds which are a part of the ring. The E configuration about the double bond is not stable due to ring strain. It is understood that the double bonded carbon atoms have a configuration such that they are cis to each other. In case of rings consisting of more than seven carbon atoms, the double bond which is a part of the ring can have E or Z configuration.
If the higher priority groups, attached to the double bonded carbon atoms, are on the same side of the double bond, the alkene is assigned Z configuration. If the higher priority groups, attached to the double bonded carbon atoms, are on the opposite side of the double bond, the alkene is assigned E configuration.
(d)
Interpretation:
The structure for each of the given name is to be drawn.
Concept introduction:
In case of rings containing seven or less than seven carbon atoms, the Z/E configuration is usually omitted for the double bonds which are a part of the ring. The E configuration about the double bond is not stable due to ring strain. It is understood that the double bonded carbon atoms have a configuration such that they are cis to each other. In case of rings consisting of more than seven carbon atoms, the double bond which is a part of the ring can have E or Z configuration.
If the higher priority groups, attached to the double bonded carbon atoms, are on the same side of the double bond, the alkene is assigned Z configuration. If the higher priority groups, attached to the double bonded carbon atoms, are on the opposite side of the double bond, the alkene is assigned E configuration.
(e)
Interpretation:
The structure for the given name is to be drawn.
Concept introduction:
In case of rings containing seven or less than seven carbon atoms, the Z/E configuration is usually omitted for the double bonds which are a part of the ring. The E configuration about the double bond is not stable due to ring strain. It is understood that the double bonded carbon atoms have a configuration such that they are cis to each other. In case of rings consisting of more than seven carbon atoms, the double bond which is a part of the ring can have E or Z configuration.
If the higher priority groups, attached to the double bonded carbon atoms, are on the same side of the double bond, the alkene is assigned Z configuration. If the higher priority groups, attached to the double bonded carbon atoms, are on the opposite side of the double bond, the alkene is assigned E configuration.
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Chapter C Solutions
Organic Chemistry: Principles and Mechanisms (Second Edition)
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- Draw structures for the following (a) bicyclo [3,2,0] heptane (b) spiro [4,2] heptanearrow_forwardDraw the structures of the following compounds. (a) trans-1-chloro-2-methylcyclohexanearrow_forwardSome of the following examples can show geometric isomerism, and some cannot. Forthe ones that can, draw all the geometric isomers, and assign complete names using theE-Z system.(a) 3-bromo-2-chloropent-2-ene (b) 3-ethylhexa-2,4-diene(c) 3-bromo-2-methylhex-3-ene (d) penta-1,3-diene(e) 3-ethyl-5-methyloct-3-ene (f) 3,7-dichloroocta-2,5-dienearrow_forward
- Draw the structures for each of the following molecules. (a) 2-fluorotoluene; (b) 4-ethoxytoluene; (c) 2-ethoxyanisole;(d) 1,3-diphenylheptane; (e) 4,4-diphenyl-1-octene; (f) benzylbenzenearrow_forwardGiven each of the IUPAC names provided, draw the corresponding structure. (a) 1-(1,1-dimethylethyl)-2,4-diethylcyclohexane; (b) 1,4-dibutyl-2-(1-methylpropyl)cyclooctane; (c) 1,1-dicyclopropyl-3-(1,1-dimethylethyl)cycloheptanearrow_forwardDraw the structure for each of the following molecules. (a) 1,3-divinylcyclohexane; (b) 3-allyl-4-vinylcyclopentene;(c) dimethylacetylene; (d) divinyl ether; (e) 4-vinylocta-1,3,7-triene; (f) 2-allylcyclohexa-1,3-dienearrow_forward
- Draw the structure that corresponds with each name.(a) 3-ethyloctane (b) 4-isopropyldecane (c) sec-butylcycloheptane(d) 2,3-dimethyl-4-propylnonane (e) 2,2,4,4-tetramethylhexane (f) trans-1,3-diethylcyclopentane(g) cis-1-ethyl-4-methylcyclohexane (h) isobutylcyclopentane (i) tert-butylcyclohexane(j) pentylcyclohexane (k) cyclobutylcyclohexane (l) cis-1-bromo-3-chlorocyclohexanearrow_forwardDraw the structure of following compound. (2E,4E,6E)-octa-2,4,6-trienearrow_forwardIn each of the following groups of compounds, identify the one with the largest heat of combustion and the one with the smallest. (a) Hexane, heptane, octane (b) 2-Methylpropane, pentane, 2-methylbutane (c) 2-Methylbutane, 2-methylpentane, 2,2-dimethylpropane (d) Pentane, 3-methylpentane, 3,3-dimethylpentane (e) Ethylcyclopentane, ethylcyclohexane, ethylcycloheptanearrow_forward
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