Predicttheproductsofthefollowingtransformations

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Unformatted text preview: H H CO HOH OCN OCN OCN HN Boc OMe Boc OMe N 
 Boc OMe N Boc OMe Boc OMe N Boc OMe N Boc O N N Boc O 
 Boc O Boc O Boc O Boc O 
 
 
 
 
 
 
 
 
 
 
 
 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.
 
 H O O N O 
 1. , NEt3 Cl O HO 
 N Boc OMe Boc 
 OMe 2. NaN3 N H O 3. Heat 
 O 4. H2O 
 Englund
et
al.
Organic
Letters.
2004
(6).
213‐215
 
 
 - 3 3 - - 3 3 - - - - 2 2 
 4.)
Predict
the
products
of
the
following
transformations.


 
 
 
 
 
 
 
 
 Products
 
 Ph3C N 
 140oC Xylene Ph3C N 
 
 
 
 Choony
et
al.
Chem.
Comm...
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