Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | Ethyl Acetate | HCID 8857 | — |
| Reactant | Sodium borohydride | HCID 4311764 | — |
| Reactant | HCID 86671490 | HCID 86671490 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Hexane | HCID 8058 | — |
| Product | HCID 53230339 | HCID 53230339 | 46.5% |
Reaction Steps
NaBH4 (0.117 g, 0.82 mmol) was added to a solution of 1-(2-oxo-ethyl)-cyclopropanesulfonic acid [4,5-difluoro-6-(2-fluoro-4-iodo-phenylamino)-benzofuran-7-yl]-amide (0.086 g, 0.1557 mmol) in dry THF (10 mL) at 0° C. This was followed by the addition of methanol (2 mL) dropwise over a period of 10 minutes at 0° C. The reaction mass was stirred for 30 minutes at 10° C. The reaction was monitored by TLC (60% ethyl acetate in hexane). The reaction mass was partitioned between ethyl acetate (50 mL) and water. The organic layer was washed with water, brine solution and concentrated under reduced pressure to afford the crude product. Purification by column chromatography on silica gel (60% ethyl acetate in hexane) afforded 0.040 g of the product (46% yield). 1H NMR (DMSO-d6, 300 MHz): δ 9.56 (bs, 1H), 8.34 (d, 1H), 7.77 (bs, 1H), 7.56 (dd, 1H), 7.48 (d, 1H), 7.22 (d, 1H), 6.48-6.52 (m, 1H), 4.52 (bs, 1H), 3.51 (t, 2H), 2.20 (t, 2H), 0.85 (t, 2H), 0.55 (t, 2H). LCMS: 100%, m/z=550.8 (M−1). HPLC: 96.79%
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08614239B2 |
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| Source dataset | uspto-grants-2013_12 |
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| ORD ID | ord-d1f1aba24c00482b8e4a2a87ba504e65 |
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| Source note | uspto-grants-2013_12 |
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