Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sulfur Dioxide | HCID 1119 | — |
| Reactant | HCID 14989647 | HCID 14989647 | — |
| Reactant | Sodium Nitrite | HCID 23668193 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 14989659 | HCID 14989659 | — |
Reaction Steps
Sodium nitrite (6.08 g) in water (12 ml) was added over 20 minutes to a solution of methyl 4-(5-aminopyrid-2-yl)butanoate (7.48 g, 0.04 mole) in glacial acetic acid (20 ml) and concentrated hydrochloric acid (32 ml) stirred at -10° C. The solution was stirred for 15 minutes then added over 15 minutes to a solution of cuprous chloride (2 g) in glacial acetic acid saturated with sulphur dioxide at 10° C. The resulting solution was stirred at room temperature for 1 hour then poured into ice water (250 ml) and extracted with chloroform (3×200 ml). The chloroform extracts were dried over magnesium sulphate and the solvent was removed to give the title compound as a pale green oil which was used without further purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04902698 |
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| Source dataset | uspto-grants-1990_02 |
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| ORD ID | ord-d8fa763cdec24de4bb89bc53b5ff7985 |
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| Source note | uspto-grants-1990_02 |
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