Hydrochloric Acid → HCID 59200469, compound
Reaction equation
[F:1][C:2]1[C:3]([C:24]([O:26]C)=[O:25])=[N:4][CH:5]=[CH:6][C:7]=1[S:8][C:9]1[S:13][C:12]([NH:14][C:15]2[C:20]3[CH:21]=[CH:22][S:23][C:19]=3[CH:18]=[CH:17][N:16]=2)=[N:11][CH:10]=1.[OH-].[Na+].Cl>O>[F:1][C:2]1[C:3]([C:24]([OH:26])=[O:25])=[N:4][CH:5]=[CH:6][C:7]=1[S:8][C:9]1[S:13][C:12]([NH:14][C:15]2[C:20]3[CH:21]=[CH:22][S:23][C:19]=3[CH:18]=[CH:17][N:16]=2)=[N:11][CH:10]=1Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
A solution of methyl 3-fluoro-4-(2-(thieno[3,2-c]pyridin-4-ylamino)thiazol-5-ylthio)picolinate (3.13 g, 7.48 mmol) was treated with aqueous sodium hydroxide (1N, 12 mL, 12.0 mmol) and was stirred at room temperature for 2 hours. The reaction was then acidified to pH ˜6 with 10% aqueous HCl and then poured into water (300 mL) and allowed to sit overnight for complete precipitation. The solid was collected by filtration, washed with water and air dried to give the title material (1.86 g, 62%). 1H NMR (400 MHz, DMSO-d6) δ ppm: 12.24 (1H, s), 8.22 (1H, d, J=5.56 Hz), 8.18 (1H, d, J=5.05 Hz), 8.15 (1H, d, J=5.81 Hz), 7.90 (1H, s), 7.87 (1H, d, J=5.56 Hz), 7.69 (1H, d, J=5.56 Hz), 6.94 (1H, t, J=5.31 Hz). LC/MS (M+H)+: 405. HPLC ret. time (Condition I): 1.28 min.
Workup
- customto sit overnight for complete precipitation
- filtrationThe solid was collected by filtration
- washwashed with water and air
- customdried
Sources & evidence
- ORD record
- ord-43388e777b0a42fd89ed01ac40b3dc59
- Source dataset
- uspto-grants-2012_04
- Patent number
- US08148400B2
Reaction notes
Loading…