Interested to Buy Any Domain ? << Click Here >> for more details...
what are the steps involved in the formation of osazone
from glucose?
- 4 Answers
- 20466 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Reaction with phenyl hydrazine involves only 2 carbon
atoms.one mole of phenyl hydrazine reacts with one mole of
aldose to form mole of hydrazone.
phenyl hydrazine reduces itself to aniline and ammonia.
third mole of phenyl hydrazine reacts with aldohydrazone
to produce osazone.
| Is This Answer Correct ? | 44 Yes | 6 No |
Answer / anuseema
Rxn firstly involve codensation of one molecule of phenyl
hydrazine with aldehyde group of glucose then second
molecule of ph.hydrazine oxidises alcoholic group of carbon
atom adjacent to ketone group by removal of hydrogen atom
and thus give osazone
| Is This Answer Correct ? | 15 Yes | 10 No |
Answer / gaurav
The first hydrazine molecule forms a condensation product
with aldehyde or ketone group, and while doing that forms a
cyclic H bonded intermediate with the hydroxy ("H" of the
adjacent -OH,what follows is the transfer of hydrogen on the
carbon bound to N and thus oxidizing the first carbon
[initial -OH bearing carbon]. The second hydrazine abstracts
one proton from the aldehyde and gets reduced to aniline and
ammonia and thus oxidizes aldehyde to ketone,wherein you
require the third phenyl hydrazine molecule to complete the
Osazone formation :)
For more information check out
"Barry & Mitchell - Nature 175, 220 [29 Jan 1955]
| Is This Answer Correct ? | 11 Yes | 10 No |
Answer / shimaa
why first two carbon only in fractous react with osazone?
| Is This Answer Correct ? | 6 Yes | 6 No |
Which is the most Abundant Alkaline earth element?
The junction between the two helical portions of tRNA is stabilized by many non-standard base-base interactions between residues in the a) anticodon and CCA ends. b) helical stems of the D and Anticodon stems. c) loops of the Anticodon and Acceptor stem. d) loops of the TYC and D arms.
Where do hydrophobic and hydrophilic residues usually end up after protein folding?
Name the 1st synthetic organic compound that was prepared from its elements is?
why does separation not occurs in stacking gel in gel electrophorosis and why does separation done in separating gel?
What is xeroderma pigmentosum?
what is kallidin?
What is the molecular formula, structure, and bond angle of phosphorous?
Explain Cloverleaf model of the t-RNA base sequence of yeast alanine?
Which organ and subcellular site are most important for fatty acid biosynthesis?
What is 'polymerase chain reaction'?
what are you really good at?
Micro Biology 
