Sodium Hydroxide → (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-1H-pyrazolo[4,3-b]pyridin-6-yl)benzo[d]thiazol-6-yl)ethanol

HRID 879298Notes

Reaction equation

HRID 879298 reaction equation
C([O:7][CH2:8][C@@H:9]([O:37][C:38]([CH3:41])([CH3:40])[CH3:39])[C:10]1[C:28]([CH3:29])=[CH:27][C:13]2[N:14]=[C:15]([C:17]3[CH:18]=[C:19]4[N:25]([CH3:26])[N:24]=[CH:23][C:20]4=[N:21][CH:22]=3)[S:16][C:12]=2[C:11]=1[C:30]1[CH:35]=[CH:34][C:33]([Cl:36])=[CH:32][CH:31]=1)(=O)C(C)(C)C.[OH-].[Na+]>C1COCC1.CO>[C:38]([O:37][C@@H:9]([C:10]1[C:28]([CH3:29])=[CH:27][C:13]2[N:14]=[C:15]([C:17]3[CH:18]=[C:19]4[N:25]([CH3:26])[N:24]=[CH:23][C:20]4=[N:21][CH:22]=3)[S:16][C:12]=2[C:11]=1[C:30]1[CH:31]=[CH:32][C:33]([Cl:36])=[CH:34][CH:35]=1)[CH2:8][OH:7])([CH3:41])([CH3:39])[CH3:40]

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 86699816(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-1H-pyrazolo[4,3-b]pyridine-6-yl)benzo[d]thiazol-6-yl)ethyl pivalate

Product 1

HCID 86699817(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-1H-pyrazolo[4,3-b]pyridin-6-yl)benzo[d]thiazol-6-yl)ethanol

Reagents, catalysts & solvents 1

HCID 21899815MeOH tetrahydrofuranSolvent

Conditions

Temperature
45 °C

Procedure

To a solution of (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-1H-pyrazolo[4,3-b]pyridine-6-yl)benzo[d]thiazol-6-yl)ethyl pivalate: (68 mg, 0.115 mmol) in THF/CH3OH (1.5 mL/1.5 mL) was added 2N NaOH (0.57 mL, 1.15 mmol). The reaction mixture was heated at 45° C. for 2 h and cooled to rt. The reaction solution is quenched with saturated ammonium chloride solution and extracted with ethyl acetate. The organic solution is washed with water, brine, dried and concentrated to give crude product which was carried to next reaction without further purification. LCMS-ESI+: calc'd for C27H27ClN4O2S: 507.16 (M+H+); Found: 507.2 (M+H+).

Workup

  1. temperaturecooled to rt
  2. customThe reaction solution is quenched with saturated ammonium chloride solution
  3. extractionextracted with ethyl acetate
  4. washThe organic solution is washed with water, brine
  5. customdried
  6. concentrationconcentrated
  7. customto give crude product which
  8. customwas carried to next reaction without further purification

Sources & evidence

ORD record
ord-ec7567e489f34770b0a01bb5d96dcb00
Source dataset
uspto-grants-2015_03
Patent number
US08987250B2

Reaction notes

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