formic acid
6-chloro-4,5-diaminopyrimidine
A
6-amino-5-formylamino-3H-pyrimidin-4-one
B
1,7-dihydro-6H-purin-6-one
uric Acid
formamide
A
1,7-dihydro-6H-purin-6-one
B
xanthin
Conditions | Yield |
---|---|
With water at 180 - 200℃; |
formic acid
5-amino-3-β-D-ribofuranosyl-3H-imidazole-4-carboxylic acid amide
acetic anhydride
A
7-β-D-ribofuranosyl-1,7-dihydro-purin-6-one
B
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
und Erwaermen des Reaktionsprodukts mit wss.KHCO3; |
5,6-diamino-3H-pyrimidin-4-one; sulfate
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With formic acid |
acetic anhydride
aminomalonamamidine dihydrochloride
orthoformic acid triethyl ester
1,7-dihydro-6H-purin-6-one
5,6-diamino-3H-pyrimidin-4-one; sulfate
formamide
1,7-dihydro-6H-purin-6-one
formamide
N-(5-amino-6-chloropyrimidin-4-yl)formamide
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
zeitlicher Verlauf der Hydrolyse.Hydrolysis; |
Conditions | Yield |
---|---|
durch Enzymwirkung; z. B. durch faulenden Pankreasextrakt unter Luftabschluss; | |
durch Faeulnisbakterien; | |
durch Schweinemilzferment; |
ammonium acetate
orthoformic acid triethyl ester
ethyl 2-acetamido-2-cyanoacetate
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With ammonia at 180℃; |
Conditions | Yield |
---|---|
at 60 - 70℃; |
Conditions | Yield |
---|---|
at 200℃; |
Conditions | Yield |
---|---|
With sodium hydroxide; chloroform at 60 - 70℃; | |
With garcinielliptone HA; xanthine oxidase In water at 25℃; for 0.0833333h; pH=7.5; Kinetics; Reagent/catalyst; Time; Concentration; aq. phosphate buffer; Enzymatic reaction; |
Conditions | Yield |
---|---|
mit Hilfe von Bacterium-coli; | |
Hydrolyse und Desaminierung bei der Einwirkung von Escherichia coli und anderen Bakterien.Hydrolysis; |
Inosine
A
D-Ribose
B
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With trisodium arsenate; nucleoside phosphorylase | |
With trisodium arsenate; nucleoside phosphorylase Ambient temperature; |
Conditions | Yield |
---|---|
With nucleoside phosphorylase | |
With Pi; nucleoside phosphorylase (enzyme) Rate constant; |
1,7-dihydro-6H-purin-6-one
1,7-dihydro-6H-purin-6-one
1,7-dihydro-6H-purin-6-one
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With phosphorous; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; | |
With phosphonium iodide; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; | |
With phosphorous; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; | |
With phosphonium iodide; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; |
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With phosphonium iodide; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; | |
With phosphorous; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; | |
With phosphorous; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; | |
With phosphonium iodide; hydrogen iodide at 25℃; durch nachfolgendes Erwaermen auf dem Wasserbad; |
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With nitric acid |
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
at 185℃; |
Conditions | Yield |
---|---|
With ethanol | |
With potassium hydrogencarbonate |
formamide
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
at 185℃; |
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
mit Hilfe von Bacterium-coli; |
1,7-dihydro-6H-purin-6-one
Conditions | Yield |
---|---|
With hydrogenchloride; trichlorophosphate In dichloromethane; N,N-dimethyl-aniline | 99% |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 20℃; for 72h; | 90% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene In dimethyl sulfoxide; N,N-dimethyl-formamide at 20℃; for 72h; | 90 % Chromat. |
1,7-dihydro-6H-purin-6-one
13C5-1′, 2 ′-di-O-acetyl-3 ′ ,5 ′-di-O-benzoyl-β-D-ribofuranose
[ribose-13C5]-1-(2-O-acetyl-3,5-di-O-benzoyl-β-D-ribofuranosyl)hypoxanthine
Conditions | Yield |
---|---|
Stage #1: 1,7-dihydro-6H-purin-6-one With ammonium sulfate; 1,1,1,3,3,3-hexamethyl-disilazane Heating; Stage #2: 13C5-1′, 2 ′-di-O-acetyl-3 ′ ,5 ′-di-O-benzoyl-β-D-ribofuranose With trimethylsilyl trifluoromethanesulfonate In dichloromethane for 2.5h; Heating; | 86% |
Conditions | Yield |
---|---|
With NaOH In methanol; water an aq. soln. of hypoxanthine and a MeOH soln. of N(C2H4NH2)3 and Cu saltmixed, pH adjusted to 8-9 with NaOH soln.; crystd. at room temp. for 3 wk; elem. anal.; | 81% |
1,7-dihydro-6H-purin-6-one
6-chloropurine methanesulfonate
Conditions | Yield |
---|---|
With trichlorophosphate In methanesulfonic acid; dichloromethane; N,N-dimethyl-aniline | 78% |
2,2',2''-triaminotriethylamine
1,7-dihydro-6H-purin-6-one
[Zn(tris(2-aminoethyl)amine)(hypoxanthinato)]ClO4*H2O
Conditions | Yield |
---|---|
With NaOH In methanol; water an aq. soln. of hypoxanthine and a MeOH soln. of N(C2H4NH2)3 and Zn saltmixed, pH adjusted to 8-9 with NaOH soln.; crystd. at room temp. for 3 wk; elem. anal.; | 78% |
Conditions | Yield |
---|---|
With NaOH In methanol; water an aq. soln. of hypoxanthine and a MeOH soln. of N(C2H4NH2)3 and Cd saltmixed, pH adjusted to 8-9 with NaOH soln.; crystd. at room temp. for 1 mo; elem. anal.; | 54% |
bromobenzene
1,7-dihydro-6H-purin-6-one
A
1,9-dihydro-9-phenyl-6H-purin-6-one
B
7-phenylhypoxanthine
Conditions | Yield |
---|---|
With N4,N7-bis(2-hydroxyethyl)-1,10-phenanthroline-4,7-diamine; potassium hydroxide; copper(I) bromide In water; N,N-dimethyl-formamide at 120℃; for 32h; Inert atmosphere; Sealed tube; regioselective reaction; | A 48% B 11% |
iodobenzene
1,7-dihydro-6H-purin-6-one
A
1,9-dihydro-9-phenyl-6H-purin-6-one
B
7-phenylhypoxanthine
Conditions | Yield |
---|---|
With N4,N7-bis(2-hydroxyethyl)-1,10-phenanthroline-4,7-diamine; potassium hydroxide; copper(I) bromide In water; N,N-dimethyl-formamide at 120℃; for 6h; Inert atmosphere; Sealed tube; regioselective reaction; | A 43% B 14% |
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane; lithium tert-butoxide In N,N-dimethyl-formamide at 100℃; for 72h; | 31% |
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane; lithium tert-butoxide In N,N-dimethyl-formamide at 100℃; for 72h; | 13% |
O-methylcaprolactim
1,7-dihydro-6H-purin-6-one
1,7-dimethylhypoxanthine
7-ethoxy-3,4,5,6-tetrahydro-2H-azepine
1,7-dihydro-6H-purin-6-one
1,7-diethyl-1,7-dihydro-purin-6-one
1,7-dihydro-6H-purin-6-one
5-phosphoribosyl-1-pyrophosphate
[5']inosinic acid
Conditions | Yield |
---|---|
mit Hypoxanthin-phosphoribosyltransferase aus Hefe bzw.Rinderleber; |
Conditions | Yield |
---|---|
With trichlorophosphate |
Conditions | Yield |
---|---|
mit Enzym-Praeparat aus Rinderleber bzw. aus Taubenleber; |
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
With tetraphosphorus decasulfide; tetralin | |
With pyridine; tetraphosphorus decasulfide | |
Multi-step reaction with 2 steps 1: N,N-dimethyl-aniline; POCl3 2: ethanol View Scheme |
Conditions | Yield |
---|---|
With oxygen In various solvent(s) Kinetics; Km, Ki,slope, Vmax; xanthine oxidase; | |
With bovine spleen-extract; oxygen | |
With oxygen |
1,7-dihydro-6H-purin-6-one
[5']inosinic acid
Conditions | Yield |
---|---|
With by means of cultures of a(n) bacillus subtilis-mutant |
1. | ipr-mus LD50:750 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD691-490 . |
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