The melting temperatures of osazones are easily determined and are characteristic for each. Listed below are the melting points (MPs) of some aldose-osazone derivatives. Monosaccharide MP of anhydrous monosaccharide (°C) MP of osazone derivative (°C) Glucose 146 205 Mannose 132 205 Galactose 165-168 201 Talose 128-130 201
The melting temperatures of osazones are easily determined and are characteristic for each. Listed below are the melting points (MPs) of some aldose-osazone derivatives. Monosaccharide MP of anhydrous monosaccharide (°C) MP of osazone derivative (°C) Glucose 146 205 Mannose 132 205 Galactose 165-168 201 Talose 128-130 201
Biochemistry
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ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Transcribed Image Text:The melting temperatures of osazones are easily determined and are characteristic for each. Listed below are the melting
points (MPs) of some aldose-osazone derivatives.
Monosaccharide
MP of anhydrous monosaccharide (°C)
MP of osazone derivative (°C)
Glucose
146
205
Mannose
132
205
Galactose
165-168
201
Talose
128-130
201
As the table shows, certain pairs of osazone derivatives have the same melting points while their underivatized
counterparts do not. Can you explain this?
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