Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Potassium Cyanide | HCID 9032 | — |
| Reactant | HCID 54003857 | HCID 54003857 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Product | HCID 9947912 | HCID 9947912 | 45% |
Reaction Steps
Potassium cyanide (280 mg, 4.30 mmol) was added to a solution of (5)-1-(5-methanesulfonyloxyhexyl)-3,7-dimethylxanthine (prepared as described for CT11558) (770 mg, 2.15 mmol) in dimethylsulfoxide (10 ml). After heating at 50° C. for 24 hours, the mixture was poured into water (50 ml) and extracted with ethyl acetate (3x 50 ml). The combined extracts were washed with water (40 ml), saturated aqueous sodium chloride solution (40 ml), dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel eluting with ethyl acetate to provide (R)-1-(5-cyanohexyl)-3,7-dimethylxanthine (CT16575) (280 mg).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06878715B1 |
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| Source dataset | uspto-grants-2005_04 |
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| ORD ID | ord-111b892535104400bff054245485085d |
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| Source note | uspto-grants-2005_04 |
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