Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Pyridine | HCID 1049 | — |
| Reactant | Trifluoromethanesulfonic anhydride | HCID 67749 | — |
| Reactant | HCID 86623622 | HCID 86623622 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 86623624 | HCID 86623624 | 309.2% |
Reaction Steps
To a solution of pyridine (440 μL, 5.45 mmol) in dichloromethane (5.0 mL) cooled to 0° C. trifluoromethanesulfonic anhydride (840 μL, 4.99 mmol) was added. The resultant mixture was stirred for 5 min, and methyl (R or S)-(5-hydroxy-4-methyl-indan-1-yl)acetate (1.00 g, 1.34 mmol, from Step H) was added as a solid. The reaction mixture was warmed to ambient temperature, stirred for 1 hr and diluted with dichloromethane. The organic layer was washed with H2O, brine and dried over MgSO4. The mixture was filtered and concentrated in vacuo. Purification by flash chromatography (10% EtOAc/hexanes) on SiO2 gave 1.46 g of the title compound as a pale yellow liquid: 1H NMR (500 MHz, CDCl3) δ 1.69-1.91 (m, 1H), 2.33 (s, 3H), 2.38-2.56 (m, 2H), 2.69-2.79 (m, 1H), 2.79-3.01 (m, 2H), 3.49-3.65 (m, 1H), 3.76 (s, 3H), 7.09 (s, 2H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07605171B2 |
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| Source dataset | uspto-grants-2009_10 |
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| ORD ID | ord-3ffa645ee9f24670934dab049d0ea890 |
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| Source note | uspto-grants-2009_10 |
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