How can BINAP be named without chiral centres using the R S nomenclature?

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Discussion Overview

The discussion revolves around the naming of BINAP using R and S nomenclature, specifically addressing the absence of chiral centers and the concept of axial chirality.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant seeks clarification on how to name BINAP as R or S, noting the absence of chiral centers.
  • Another participant identifies BINAP as atropisomers, suggesting a specific classification.
  • A subsequent participant requests further guidance on the naming process.
  • Another reply suggests that "axial chirality" could be a relevant search term for understanding the naming convention.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the naming process, and multiple viewpoints regarding the classification and naming of BINAP remain present.

Contextual Notes

There is a lack of clarity regarding the application of R and S nomenclature in the context of axial chirality and how it relates to BINAP specifically.

Chemist20
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Can someone tell me how to name BINAP R or S? IT has NO chiral centres and I haven't got a clue of how to name it!
 
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They are atropisomers.
 
Okay. So how do i name them?
 
A good search term would be "axial chirality".
 

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