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No prostereogenic features
|
The carbon atoms adjacent to the CH3 groups are prochiral
centres
|
All of the carbon atoms of the CH and CH2 groups are
prochiral centres
|
|
|
No prostereogenic features
|
The carbon atom of the CH2 group is a prostereogenic
centre
|
The carbon atoms of the CH2Br groups are prochiral centres
|
The carbon atom of the central CH2 group is a prostereogenic
centre, whilst the carbon atoms of the other two CH2 groups
are prochiral centres
|
|
No prostereogenic features
|
There is a prochiral axis
|
There is a prochiral axis
|
|
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No prostereogenic features
|
The carbon atoms attached to the allene are prochiral centres,
and there is a prochiral axis
|
|
|
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The lower ring is a prochiral plane
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Both rings are prochiral planes
|
|
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