Racemic

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meltitude
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Racemic

Post by meltitude » Thu Aug 25, 2005 6:07 am

Why is it that whenever we synthesis amino acid, there is always a 50-50 ratio of L and D amino acid? Is there any particular reason to it, or is it just a phenomena?

And that what actually causes this racemization of amino acid?

sdekivit
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Post by sdekivit » Thu Aug 25, 2005 3:15 pm

something cannot be formed when it wasn't present at the beginning. So optical activity can only occur if it was present with the reactants. (compare: when we don't have carbon at the beginnig of a reaction there can't be formed a carbon containing compund).

--> thus when one of the reactants do not contain optical activity and a compund is formed that has optical activity, the racemization occurs.

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