Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | HCID 67440467 | HCID 67440467 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Lithium Hydroxide | HCID 3939 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 67440484 | HCID 67440484 | 19.8% |
Reaction Steps
A mixture of 2-[3-(6-methanesulfonyl-3,3-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acid methyl ester (100 mg, 0.23 mmol) in tetrahydrofuran (20 mL), 2M lithium hydroxide in water (10 mL) was stirred at 25° C. for 12 h. The mixture was neutralized with a 3 N aqueous hydrochloric acid solution and extracted with ethyl acetate (2×100 mL), washed with water, dried over anhydrous sodium sulfate and then concentrated in vacuo. Purification by Waters automated flash system (column: Xterra 30 mm×100 mm, sample manager 2767, pump 2525, detector: ZQ mass and UV 2487, solvent system: acetonitrile and 0.1% formic acid in water) afforded 2-[3-(6-methanesulfonyl-3,3-dimethyl-1,2,3,4-tetrahydro-quinolin-2-yl)-phenylamino]-2-methyl-propionic acid (19 mg, 7%) as a white solid: LC/MS m/e calcd for C22H28N2O4S (M+H)+: 417.54, observed: 417.0.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08344137B2 |
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| Source dataset | uspto-grants-2013_01 |
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| ORD ID | ord-e64fd8d33aef483fa8245f61b1f4cbac |
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| Source note | uspto-grants-2013_01 |
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