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enter image description here1,1',1''-(1,3-dichloropropane-1,2,3-triyl)tribenzene

How can I determine the number of possible pairs of diastereomers here?

My first guess was two: RR with RS and SS with RS. But what about the potential chirality center middle carbon? There are two identical branches attached to it,it; however, those two branches can change R/S. So, is it a chirality center?

enter image description here

How can I determine the number of possible pairs of diastereomers here?

My first guess was two: RR with RS and SS with RS. But what about the potential chirality center middle carbon? There are two identical branches attached to it, however those two branches can change R/S. So, is it a chirality center?

1,1',1''-(1,3-dichloropropane-1,2,3-triyl)tribenzene

How can I determine the number of possible pairs of diastereomers here?

My first guess was two: RR with RS and SS with RS. But what about the potential chirality center middle carbon? There are two identical branches attached to it; however, those two branches can change R/S. So, is it a chirality center?

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Ivan Neretin
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Number of diastereomer pairs of 1,3-dichloro-1,2,3-diphenylpropanetriphenylpropane

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orthocresol
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How can I determine the number Number of possiblediastereomer pairs of diastereomers?1,3-dichloro-1,2,3-diphenylpropane

enter image description here

How can I determine the number of possible pairs of diastereomers here?

For the central carbonMy first guess was two: RR with no Cl attached to it, isRS and SS with RS. But what about the apotential chirality center theremiddle carbon? There There are two identical branches attached to it, however those two branches can change R/S. So, is it a chirality center?

How can I determine the number of possible pairs of diastereomers?

enter image description here

How can I determine the number of possible pairs of diastereomers here?

For the central carbon with no Cl attached to it, is the a chirality center there? There are two identical branches attached to it, however those two branches can change R/S. So, is it a chirality center?

Number of diastereomer pairs of 1,3-dichloro-1,2,3-diphenylpropane

enter image description here

How can I determine the number of possible pairs of diastereomers here?

My first guess was two: RR with RS and SS with RS. But what about the potential chirality center middle carbon? There are two identical branches attached to it, however those two branches can change R/S. So, is it a chirality center?

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orthocresol
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