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Flucytosine
1,2,3-tri-O-acetyl-5-deoxy-β-D-ribofuranose
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
With titanium tetrachloride In dichloromethane at 10 - 20℃; for 4h; Solvent; | 88.6% |
Stage #1: Flucytosine With ammonium sulfate; 1,1,1,3,3,3-hexamethyl-disilazane In toluene for 3h; Reflux; Stage #2: 1,2,3-tri-O-acetyl-5-deoxy-β-D-ribofuranose With tin(IV) chloride In dichloromethane at -5℃; Inert atmosphere; Heating; | 83.6% |
Stage #1: Flucytosine With trifluorormethanesulfonic acid; 1,1,1,3,3,3-hexamethyl-disilazane In acetonitrile for 2h; Reflux; Stage #2: 1,2,3-tri-O-acetyl-5-deoxy-β-D-ribofuranose With trifluorormethanesulfonic acid at 20 - 55℃; | 80% |
di-O-acetyl-5-deoxy-ξ-D-ribofuranosyl chloride
2-trimethylsilyloxy-4-trimethylsilylamino-5-fluoropyrimidine
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
Stage #1: di-O-acetyl-5-deoxy-ξ-D-ribofuranosyl chloride; 2-trimethylsilyloxy-4-trimethylsilylamino-5-fluoropyrimidine In 1,2-dichloro-ethane for 4h; Inert atmosphere; Schlenk technique; Reflux; Stage #2: With water Inert atmosphere; Schlenk technique; | 86% |
5-fluoro-2-trimethylsilanyloxy-pyrimidin-4-ylamine
1,2,3-tri-O-acetyl-5-deoxy-β-D-ribofuranose
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
With tin(IV) chloride; sodium hydrogencarbonate In dichloromethane; water at 0 - 20℃; for 0.5h; | 78.4% |
5-deoxy-1,2,3-tri-O-acetyl-D-ribofuranose
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
Stage #1: 5-fluorocytosine With 1,1,1,3,3,3-hexamethyl-disilazane In toluene for 4h; Autoclave; Reflux; Industrial scale; Stage #2: 5-deoxy-1,2,3-tri-O-acetyl-D-ribofuranose With tin(IV) chloride In dichloromethane at 2 - 20℃; for 12h; Industrial scale; | 74% |
5'-deoxy-5-fluorocytidine
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
With acetic anhydride In pyridine; water |
5'-deoxy-2',3'-di-O-acetyl-5-fluoro-N4-((5-nitrothien-2-yl)methoxycarbonyl)cytidine
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
In water; isopropyl alcohol G-values; Irradiation; |
acetic anhydride
5'-deoxy-5-fluorocytidine
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
With pyridine at 0℃; for 3h; | |
With pyridine at 0℃; for 3h; |
Flucytosine
5-deoxy-1,2,3-tri-O-acetyl-D-ribofuranose
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
Stage #1: Flucytosine With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane In toluene at 110℃; for 0.5h; Stage #2: 5-deoxy-1,2,3-tri-O-acetyl-D-ribofuranose With tin(IV) chloride In dichloromethane at 0 - 30℃; Stage #3: With water; sodium hydrogencarbonate In dichloromethane for 2h; |
5-deoxy-1,2,3-tri-O-acetyl-D-ribofuranose
5-fluoro-2-trimethylsilanyloxy-pyrimidin-4-ylamine
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
tin(IV) chloride In dichloromethane at 0℃; for 2h; |
2',3',5'-tri-O-acetyl-5-fluorocytidine
(2R,3R,4R,5R)-2-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-5-methyl-tetrahydrofuran-3,4-diyl diacetate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: pyridine / dichloromethane / 1.5 h / 0 °C 2: alcalase enzyme cross linked aggregate / ethanol / 100 h / 20 °C / Enzymatic reaction 3: carbon tetrabromide / dichloromethane / 3 h / 20 °C / Inert atmosphere 4: 2,2'-azobis(isobutyronitrile); tri-n-butyl-tin hydride / tetrahydrofuran / Reflux View Scheme |
Product Name: Cytidine,5'-deoxy-5-fluoro-, 2',3'-diacetate
Synonyms of Cytidine,5'-deoxy-5-fluoro-, 2',3'-diacetate (CAS NO.161599-46-8): 2',3'-Di-O-acetyl-5'-deoxy-5-fuluro-D-cytidine
CAS NO: 161599-46-8
Molecular Formula: C13H16FN3O6
Molecular Weight of Cytidine,5'-deoxy-5-fluoro-, 2',3'-diacetate (CAS NO.161599-46-8): 329.281
Molecular Structure:
H bond acceptors: 9
H bond donors: 2
Freely Rotating Bonds: 5
Polar Surface Area: 97.74 Å2
Index of Refraction: 1.609
Molar Refractivity: 72.32 cm3
Molar Volume: 208.7 cm3
Surface Tension: 51.7 dyne/cm
Density of Cytidine,5'-deoxy-5-fluoro-, 2',3'-diacetate (CAS NO.161599-46-8): 1.57 g/cm3
Flash Point: 212.3 °C
Enthalpy of Vaporization: 68.24 kJ/mol
Boiling Point: 427.4 °C at 760 mmHg
Vapour Pressure: 1.64E-07 mmHg at 25°C