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Synthesis and characterization of new aromatic aldehyde/ketone 4-(beta-D-glucopyranosyl)thiosemicarbazones

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Synthesis and characterization of new aromatic aldehyde/ketone 4-(beta-D-glucopyranosyl)thiosemicarbazones
Tenchiu (Deleanu), Alia-Cristina
Terzis, Aris
Κώστας, Ιωάννης Δ.
Kovala-Demertzi, Dimitra
Άρθρο σε επιστημονικό περιοδικό
2009-07-27
OXFORD
A series of 22 aromatic aldehyde/ketone 4-(beta-D-glucopyranosyl)thiosemicarbazones have been synthesized by condensation of 4-(per-O-acetylated-beta-D-glucopyranosyl)thiosemicarbazide with an aldehyde or a ketone, and then, deacetylation of the resulting product. The compounds were fully characterized by spectroscopic techniques, elemental analysis, and for two derivatives by X-ray analysis. The data indicate the beta configuration, and the E configuration pertaining to the stereochemistry of the C=N bond. However, a partial conversion of the E-form into the Z-form is possible in solution after several hours.
Οργανική χημεία (EL)
Βιολογία (Γενικά) (EL)
Χημεία (Γενικά) (EL)
Biology (General) (EN)
Organic chemistry (EN)
Chemistry (General) (EN)
Carbohydrates
Configuration
Thiosemicarbazones
Chemistry, Applied
Glucopyranosyl-thiosemicarbazones
Crystal structure
English
Pergamon
Carbohydrate Research
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© 2009 Elsevier Ltd. All rights reserved.
© 2009 Elsevier Ltd. All rights reserved. (EN)
National Hellenic Research Foundation (NHRF)
Helios - Repository of the National Hellenic Research Foundation (NHRF)



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