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ChemicalBook CAS DataBase List 2-Aminoadenosine

2-Aminoadenosine synthesis

10synthesis methods
Assays were performed in 5 and 10% of aprotic dipolar co-solvents, at 60°C, twelve units/ml cell lysate were added to 150 ml of a solution kept thermostatically at 60 °C, and having the following composition of substrate solutions:15mM Uridine/2 ' -Deoxyuridine,5 mM 2,6-Diaminopurine, and 30 mM potassium phosphate buffer, pH 7. After 5 hours, the reaction mixture was filtered by centrifugation at 2000 x g for 30 min, at 4°C, through an Amicon ultra-4 Centrifugal Filter Devices (Millipore, Bedford, MA) with a 3000-Da cutoff, and the filtrate was recovered. 2096-10-8.png
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Yield:2096-10-8 97%

Reaction Conditions:

with purine nucleoside phosphorylase;uridine phosphorylase in aq. phosphate buffer;dimethyl sulfoxide at 60; pH=7; for 5 h;Enzymatic reaction;Solvent;Temperature;

Steps:

12.1

Assays were performed in 5 and 10% of aprotic dipolar co-solvents, at 60°C, twelve units/ml cell lysate wereadded to 150 ml of a solution kept thermostatically at 60 °C, and having the following composition of substrate solutions:1. 15 mM Uridine/2’-Deoxyuridine,2. 5 mM 2,6-Diaminopurine, and3. 30 mM potassium phosphate buffer, pH 7.[0084] After 5 hours, the reaction mixture was filtered by centrifugation at 2000 3g for 30 min, at 4°C, through anAmicon ultra-4 Centrifugal Filter Devices (Millipore, Bedford, MA) with a 3000-Da cut-off, and the filtrate was recovered.In table 3, the production yields of 2,6-Diaminopurine nucleosides prepared in the presence of co-solvents is shown.The resulting 2,6-Diaminopurine nucleosides (2,6-Diaminopurine riboside or 2,6-Diaminopurine deoxyriboside) wereanalyzed by HPLC. In these reactions, the products were obtained in high yields (over 80%).

References:

EP2516637,2016,B1 Location in patent:Paragraph 0083-0084

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