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Topic: optical isomerism  (Read 2930 times)

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Offline AMEDIO

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optical isomerism
« on: January 12, 2011, 10:14:06 AM »
is this compound chiral??why or why not??
http://img827.imageshack.us/i/gmp.png/

i dont think it is ....wat do u think?? ;)
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Offline orgstudy

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Re: optical isomerism
« Reply #1 on: January 12, 2011, 11:12:57 AM »
It does not have any chiral center but yes it is optically active as the two rings are perpendicular to each other!!!!!!!!
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Offline nox

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Re: optical isomerism
« Reply #2 on: January 12, 2011, 12:36:23 PM »
It doesn't have a plane of symmetry, so yes it is chiral. (the molecule in question is known as a spiroketal)
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Offline orgstudy

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Re: optical isomerism
« Reply #3 on: January 12, 2011, 05:15:44 PM »
AHHH YES!!!!

Now i remmeber
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Offline AMEDIO

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Re: optical isomerism
« Reply #4 on: January 14, 2011, 11:27:23 AM »
well yeah it is optically active due to absence of POS
but how is it chiral?? ???
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Offline orgstudy

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Re: optical isomerism
« Reply #5 on: January 14, 2011, 12:35:05 PM »
chiral just means unsymmetrical with its mirror image ...
it surely does not have chiral center but due to 2 non planar rings ... it is chiral and therefore optical
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