1-O-Acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R36/38:Reizt die Augen und die Haut.
S-S?tze Betriebsanweisung:
S22:Staub nicht einatmen.
S24/25:Berührung mit den Augen und der Haut vermeiden.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
Beschreibung
β-D-Ribofuranose 1-Acetate 2,3,5-Tribenzoate is an optically active ribose derivative. It is white to orange to green powder to crystals, slightly soluble in methanol, and can be used as a starting material for nucleoside synthesis. The substance is also used as an intermediate for Clofarabine, which belongs to a class of drugs called purine nucleoside antimetabolites and is used to treat acute lymphoblastic leukemia (ALL) in children and young adults aged 1 to 21 years.
Chemische Eigenschaften
white to light yellow crystal powde
Verwenden
An inhibitor of neutrophil-keyhole limpet hemocyanin adhesion
Application
Beta-D-Ribofuranose 1-acetate 2,3,5-tribenzoate, also known as 1-O-Acetyl-2,3,5-tri-O-benzoyl-beta-D-ribofuranose, is a ribose-derived compound used in nucleoside synthesis.
Definition
The commonly used 1-O-acetyl-2,3,5- tri-O-benzoyl-β-D-ribofuranose (beta-D-Ribofuranose 1-acetate 2,3,5-tribenzoate) can be employed in the glycosylation of 7-deazapurines when 7-halogenated nucleobases are used. Using common ribosugars such as 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose resulted in the formation of orthoamides when the pyrrole ring was not functionalized. The glycosylation yield and glycosylation position of 7-deazapurines with 1-O-acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose depends strongly on 7-substituents (H vs halogen) and amino protecting groups. It could be used to synthesize 5-Bromo-4-chloro-2-[(N2-isobutyryl){2,3,5-tri-O-benzoyl-β-Dribofuranosyl}]amino-7H-pyrrolo[2,3-d]pyrimidine.
l?uterung methode
Recrystallise it from EtOH or isoPrOH. [Helv Chim Acta 42 1171 1959, NMR: J Org Chem 33 1799 1968, IR: Chem Pharm Bull Jpn 11 188 1963, Beilstein 17/6 V 213.]
1-O-Acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
