provide a mechanism for the following transformation

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Unformatted text preview: nds
can
be
used
to
 accurately
 determine
 the
 stereochemistry
 of
 the
 product.
 
 Given
 what
 you
 know
 of
 this
 model,
please
explain
the
difference
in
stereoselectivity
seen
below.

 
 
O NC OH KCN 
 DMF 
 
 
 
 
O NC OH KCN 
 DMF 
 Cl Cl 
 
 
 
 Problem
 #3.)
 Provide
 a
 mechanism
 for
 the
 following
 transformation.
 
 Hint:
 you
 should
 invoke
an
ylide
at
some
point
in...
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This note was uploaded on 01/24/2014 for the course CHEM 436 taught by Professor White during the Spring '08 term at University of Illinois, Urbana Champaign.

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