Choose from Unknown - A Chiral Compound

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Discussion Overview

The discussion revolves around identifying a chiral hydrocarbon, X, based on its chemical transformations, specifically its reduction by catalytic hydrogenation and ozonolysis. Participants explore the chirality of various alternatives and their properties following these reactions.

Discussion Character

  • Homework-related, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant identifies a chiral hydrocarbon, X, and discusses its reduction to an achiral compound, expressing uncertainty about the chirality of the third and fourth options.
  • Another participant expresses doubt in their understanding of chiral compounds, indicating a lack of confidence in their previous assessments.
  • A third participant recalls having encountered a similar question in a test but was unable to answer it, specifically noting that the first option would be achiral after hydrogenation.
  • One participant asserts that the third and fourth options remain chiral after hydrogenation, suggesting that this is a known fact among the participants.
  • Another participant admits to struggling with the question during an exam, indicating a shared challenge among the group.

Areas of Agreement / Disagreement

Participants express uncertainty and differing levels of confidence regarding the chirality of the compounds discussed. There is no clear consensus on the correct identification of compound X or the chirality of the alternatives after the reactions.

Contextual Notes

Participants' assessments depend on their interpretations of chirality and the effects of chemical transformations, which may involve missing assumptions or unresolved details about the specific compounds in question.

Who May Find This Useful

Students studying organic chemistry, particularly those interested in chirality and reaction mechanisms, may find this discussion relevant.

AGNuke
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A C8H12 chiral hydrocarbon, X, is reduced by catalytic Hydrogenation to an achiral C8H14. Ozonolysis (Oxidative) of X gave a chiral C8H12O4 dicarboxylic acid. Choose X from the given.

C8H12.png


Attempt
I first determined the chirality of the given alternatives. That rules out the 2nd option, as it is clearly symmetric. Then I just removed the double bonds, as asked in the question to see if any achiral hydrocarbon is formed. First one, I think is achiral. But I am not sure about the 3rd and 4th.

How about my attempt and is it something that I am overlooking?
 
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I think you are on the right track, but I have been wrong about chiral compounds so many times in the past I no longer trust myself.
 
Yeah me too. It was in the test paper earlier, but I had to leave this simple looking question. What a shame.

I couldn't formulate it back then, that 1st one would be achiral after catalytic hydrogenation.
 
The 3rd and 4th remain chiral after hydrogenation but I'm sure you already knew that.
 
I was unable to think about them in exam.
 

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