What does osazone mean?
Definitions for osazone
os·azone
This dictionary definitions page includes all the possible meanings, example usage and translations of the word osazone.
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Wiktionary
osazonenoun
any glycoside of an aldose or 2-ketose formed by reaction with excess of an aryl-hydrazine
Wikipedia
Osazone
Osazones are a class of carbohydrate derivatives found in organic chemistry formed when reducing sugars are reacted with excess of phenylhydrazine at boiling temperatures.
Wikidata
Osazone
Osazones are a class of carbohydrate derivatives found in organic chemistry formed when sugars are reacted with phenylhydrazine. The famous German chemist Emil Fischer developed and used the reaction to identify sugars whose stereochemistry differed by only one chiral carbon. The reaction involves formation of a pair of phenylhydrazone functionalities, concomitant with the oxidation of the hydroxymethylene group adjacent to the formyl center. The reaction can be used to identify monosaccharides. It involves two reactions. Firstly glucose with phenylhydrazine gives glucosephenylhydrazone by elimination of a water molecule from the functional group. The next step involves reaction of one mole of glucosephenylhydrazone with two moles of phenylhydrazine. First phenylhydrazine is involved in oxidizing the alpha carbon to a carbonyl group, and the second phenylhydrazine involves in removal of one water molecule with the formyl group of that oxidized carbon and forming the similar carbon nitrogen bond. The alpha carbon is attacked here because its more reactive than the others. Osazones are highly coloured and crystalline compounds and can be easily detected. Glucose gives broomstick shaped crystals with this whereas maltose gives sunflower shaped crystals.
Numerology
Chaldean Numerology
The numerical value of osazone in Chaldean Numerology is: 8
Pythagorean Numerology
The numerical value of osazone in Pythagorean Numerology is: 5
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"osazone." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/osazone>.
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