Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Carbon Dioxide | HCID 280 | — |
| Reactant | 1,1'-Carbonyldiimidazole | HCID 68263 | — |
| Reactant | 2-(1H-pyrrol-1-yl)benzoic acid | HCID 728521 | — |
| Reactant | (R)-2-amino-8-(4-methylpiperazin-1-yl)-1,2,3,4-tetrahydronaphthalene | HCID 53960413 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 54551314 | HCID 54551314 | 62% |
Reaction Steps
To a solution of 4-(1H-pyrrol-1-ylbenzoic acid (96 mg, 0.51 mmol) in anhydrous N,N-dimethylformamide (25 mL) was added 1,1′-carbonyldiimidazole (87 mg, 0.54 mmol) and the reaction was heated at 75° C. When the carbon dioxide evolution had ceased (after 30 min), the reaction was cooled to room temperature and a solution of (R)-2-amino-8-(4-methylpiperazin-1-yl)-1,2,3,4-tetrahydronaphthalene (120 mg, 0.49 mmol) in anhydrous N,N-dimethylformamide (5 mL) was added. The reaction was allowed to stir at ambient temperature for 17 h and the solvent was evaporated in vacuo. Purification on a silica gel column using chloroform/ethanol saturated with NH3 (100:3) as the eluent gave 128 mg (62% yield) of the title compound as white crystals: mp 245-247° C.; [α]21D −69° (c 1.0, chloroform); EIMS (70 eV) m/z (relative intensity) 414 (15, M+).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06410530B1 |
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| Source dataset | uspto-grants-2002_06 |
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| ORD ID | ord-b095619535fe4f88a63c994520cfdf86 |
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| Source note | uspto-grants-2002_06 |
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