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  3. Chemistry; Chem Sci/Eng

2,3-Endio-L-Gulonsäurelacton

English translation: 2,3-endiol-L-gulonic acid lactone, 3-oxo-L-gulofuranolactone, ascorbic acid, vitamin C

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:2,3-Endiol-L-Gulonsäurelacton
English translation:2,3-endiol-L-gulonic acid lactone, 3-oxo-L-gulofuranolactone, ascorbic acid, vitamin C
Entered by: Lars Finsen

22:20 May 15, 2003
German to English translations [PRO]
Science - Chemistry; Chem Sci/Eng / organic chemistry
German term or phrase: 2,3-Endio-L-Gulonsäurelacton
Can someone conform whether that is
2,3-diketo-1-gulonic acid or literally
2,3-endiol-L-gulonic acid lactone?
Dirgis (X)
United States
Local time: 12:31
2,3-endiol-L-gluconic acid lactone
Explanation:
I support your literal version, which I think is a reasonably valid, but a bit quaint name for ascorbic acid. An -l was missing from the original.

On the bottom left corner of the illustration at the linked page you will see the endiol moiety (-C(OH)=C(OH)-) just below the carboxyl group in the ascorbic acid structural formula.

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Note added at 2003-05-15 23:17:28 (GMT)
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Sorry, at the bottom right, I mean. It is late.
Selected response from:

Lars Finsen
Local time: 18:31
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +32,3-endiol-L-gluconic acid lactone
Lars Finsen


  

Answers


55 mins   confidence: Answerer confidence 5/5 peer agreement (net): +3
2,3-endiol-L-gluconic acid lactone


Explanation:
I support your literal version, which I think is a reasonably valid, but a bit quaint name for ascorbic acid. An -l was missing from the original.

On the bottom left corner of the illustration at the linked page you will see the endiol moiety (-C(OH)=C(OH)-) just below the carboxyl group in the ascorbic acid structural formula.

--------------------------------------------------
Note added at 2003-05-15 23:17:28 (GMT)
--------------------------------------------------

Sorry, at the bottom right, I mean. It is late.


    Reference: http://www.chemieunterricht.de/dc2/asch2/abiolog.htm
Lars Finsen
Local time: 18:31
Works in field
Native speaker of: Native in NorwegianNorwegian
PRO pts in category: 23

Peer comments on this answer (and responses from the answerer)
agree  Gillian Scheibelein: gulonic; the endiol -C(OH)=C(OH)- is a tautomer of the ketone and is formed on cyclization
6 hrs
  -> gulonic, gulonic, of course. It was late...
agree  Sanaa Omrany
16 hrs
agree  Chinoise
15 days
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