HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → {8-[3-(4-Trifluoromethyl-benzyloxy)-benzylsulfanyl]-chroman-5-yloxy}-acetic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Potassium Bromide | HCID 253877 | — |
| Reactant | {8-[3-(4-Trifluoromethyl-benzyloxy)-benzylsulfanyl]-chroman-5-yloxy}-acetic acid methyl ester | HCID 20827100 | — |
| Solvent | Acetonitrile--water (1/1) | HCID 18373917 | — |
| Product | {8-[3-(4-Trifluoromethyl-benzyloxy)-benzylsulfanyl]-chroman-5-yloxy}-acetic acid | HCID 22280110 | — |
Reaction Steps
The title compound was prepared in the manner analogous to Example 1 using 84A. mp 113-115° C.; HPLC: area %=97.30, r.t.=3.140 min, γ=214 nm, mobile phase=acetonitrile/water w/0.10% TFA; IR (KBr) cm−1: 2952, 2577, 1742, 1582, 1323, 1120; 400 MHz 1H NMR (DMSO-d6): δ 87.67-7.74 (m, 2H), 7.56-7.63 (m, 2H); 7.13 (t, 1H, J=7.8 Hz), 6.76-6.93 (m, 4H), 6.22 (d, 1H, J=8.7 Hz), 5.08 (s, 2H), 4.45 (s, 2H), 4.08 (t, 2H, J=4.8 Hz), 3.91 (s, 2H), 2.54 (t, 2H, J=6.6 Hz), 1.82 (pentet, 2H); MS m/z 505 (M+1). Anal. Calc'd for C26H23F3O5S: C, 61.90; H, 4.60. found: C, 61.49; H, 4.44.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06964983B2 |
| Source dataset | uspto-grants-2005_11 |
| ORD ID | ord-6e51013f098d4461bae196cb8f0fb45a |
| Source note | uspto-grants-2005_11 |