O o 1 net3 cl o ho boc ome 2 nan3 n h 3 heat o 4

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Unformatted text preview: formation
of
protein
secondary
structure.

 Please
provide
a
mechanism
for
the
following
transformation.
 O O 
 1. , NEt3 H2N Cl O 
 HO O 
 Boc OMe Boc OMe 2. NaN3 N O N 
 3. Heat Boc Boc O Boc O 4. H2O 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 b.

If
only
a
single
Boc
protecting
group
is
used
to
protect
the
amine
 is
used
 DAP
is
not
the
 product
isolated.

Please
provide
the
structure
of
this
unexpected
product.
 
 O O 
 1. , NEt3 Cl O HO 
 Boc OMe 
 2. NaN3 N H 3. Heat 
 O 4. H2O 
 
 
 
 4.)
Predict
the
products
of
the
following
transformations.


 
 
 
 
 
 
 
 
 Products
 
 Ph3C 140oC N Xylene 
 
 
 
 
 
 
 
 
 
 
...
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