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A Clean Conversion of D-Glucosamine Hydrochloride to a Pyrazine in the Presence of Phenylboronate or Borate

✍ Scribed by Jan Rohovec; Jan Kotek; Joop A. Peters; Thomas Maschmeyer


Book ID
101348114
Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
209 KB
Volume
2001
Category
Article
ISSN
1434-193X

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✦ Synopsis


D-Glucosamine was found to undergo a condensation to give 2-(arabo-tetrahydroxybutyl)-5-(erythro-2,3,4-trihydroxybutyl)-pyrazine (2) as practically the sole product in the presence of phenylboronate or borate. The reaction proceeds in aqueous solutions at room temperature in 3 h in 58% isolated


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