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Topic: Aldopentose


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 Xylose - Wikipedia, the free encyclopedia
Over $75,000 has been donated since the drive began on 19 August!
Xylose is an aldopentose - a simple sugar containing five carbon atoms, and including an aldehyde functional group.
It is found in the embryos of most edible plants.
en.wikipedia.org /wiki/Xylose   (114 words)

  
 121200 - Quiz - Organic Chemistry 354 - December 12, 2000 - Dr. Sundin - UWP   (Site not responding. Last check: 2007-10-20)
Optically active aldopentose A was oxidized with nitric acid to give optically active B.
There is another aldopentose which when oxidized with nitric acid also gives diacid B.
Without drawing any structures, compare and contrast the structures of cellulose and soluble starch.
www.uwplatt.edu /~sundin/354-0/5401212q.htm   (141 words)

  
 Aldopentose - Definition, explanation
An Aldopentose is an aldose which has a five carbon atom (pentose) chain.
Examples of aldopentoses include ribose, deoxyribose and xylose.
This article about an organic compound is a stub.
www.calsky.com /lexikon/en/txt/a/al/aldopentose.php   (105 words)

  
 112804q3540 - Quiz - Organic Chemistry 3540 - November 28, 2004 - Dr. Sundin - UWP   (Site not responding. Last check: 2007-10-20)
Optically active aldopentose A was strongly oxidized with nitric acid to give optically active diacid B.
Optically active aldopentose E was strongly oxidized with nitric acid to give optically active diacid F.
Degradation of E gave optically active aldotetrose G.
www.uwplatt.edu /~sundin/354-4/5441128q.htm   (111 words)

  
 [No title]
(10 minutes) Suppose you have one bottle with a pure samples of an aldopentose, but labeled only "an aldopentose", and one bottle with a pure sample of an aldotetrose, but labeled only "an aldotetrose".
Your intuition that the aldopentose is Arabinose is correct, but you have to prove it to Emil Fischer's satisfaction by using his chemical methods (and/or Heinrich Kiliani's).
Describe the reactions or other experiments you would do, their results, and their logical implications.
classes.yale.edu /02-03/chem125a/125/Exams/FinalSpring00ans.doc   (1732 words)

  
 CHEM 102:SACCHARIDES   (Site not responding. Last check: 2007-10-20)
Galactose, aldohexose, component of milk sugar, cerebrosides, blood antigens A & B
2-Deoxyribose, aldopentose, DNA component lacks -OH at carbon # 2
Amylopectin, glucose polymer, -glycosidic bond, cross linked every 20-30 units, plant starch
www.cofc.edu /~deavorj/102/notes/biochem/jpdsugar.html   (134 words)

  
 exam1 221.01   (Site not responding. Last check: 2007-10-20)
The two aldohexoses were subjected to oxidation by nitric acid and one gave an optically active product and the other gave an optically inactive product.
Identify the aldopentose and the aldohexoses and give your reasoning.
Explain what can be concluded from th following observations:
people.cornellcollege.edu /cliberko/xtraprob.htm   (486 words)

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