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Methanol → (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-5-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethanol

HRID 879303
Notes
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Reaction equation

HRID 879303 reaction equation
C([O:7][CH2:8][C@@H:9]([O:43][C:44]([CH3:47])([CH3:46])[CH3:45])[C:10]1[C:34]([CH3:35])=[CH:33][C:13]2[N:14]=[C:15]([C:17]3[CH:22]=[CH:21][N:20]=[C:19](C4C=C5C(C=NN5C)=CC=4)[CH:18]=3)[S:16][C:12]=2[C:11]=1[C:36]1[CH:41]=[CH:40][C:39]([Cl:42])=[CH:38][CH:37]=1)(=O)C(C)(C)C.C(OC[C@@H](OC(C)(C)C)C1C(C)=CC2N=C([C:64]3[CH:65]=[C:66]4[C:70](=[CH:71][CH:72]=3)[N:69]([CH3:73])[N:68]=[CH:67]4)SC=2C=1C1C=CC(Cl)=CC=1)(=O)C(C)(C)C.CO.[OH-].[Na+]>C(OCC)(=O)C>[C:44]([O:43][C@@H:9]([C:10]1[C:34]([CH3:35])=[CH:33][C:13]2[N:14]=[C:15]([C:17]3[CH:22]=[CH:21][N:20]=[C:19]([C:64]4[CH:65]=[C:66]5[C:70](=[CH:71][CH:72]=4)[N:69]([CH3:73])[N:68]=[CH:67]5)[CH:18]=3)[S:16][C:12]=2[C:11]=1[C:36]1[CH:37]=[CH:38][C:39]([Cl:42])=[CH:40][CH:41]=1)[CH2:8][OH:7])([CH3:46])([CH3:47])[CH3:45]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 887MethanolHCID 14798Sodium HydroxideHCID 86699822(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-1H-indazol-5-yl)benzo[d]thiazol-6-yl)ethyl pivalateHCID 86699825(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-6-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethyl pivalate

Product 1

HCID 86699824
(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-5-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethanol

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Conditions

Temperature
55 °C

Procedure

(S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-6-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethyl pivalate and (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(1-methyl-1H-indazol-5-yl)benzo[d]thiazol-6-yl)ethyl pivalate was telescoped into the subsequent reaction. To the previous reaction mixture, methanol and 2M NaOH were added and reaction mixture was heated at 55° C. overnight. Reaction mixture was cooled to rt, diluted with ethyl acetate and washed with brine. The organic layer was dried (MgSO4), filtered, concentrated and purified by CombiFlash (Hex/EtOAc) to give (S)-2-tert-butoxy-2-(7-(4-chlorophenyl)-5-methyl-2-(2-(1-methyl-1H-indazol-5-yl)pyridin-4-yl)benzo[d]thiazol-6-yl)ethanol.

Workup

  1. customreaction mixture
  2. customReaction mixture
  3. temperaturewas cooled to rt
  4. washwashed with brine
  5. dry with materialThe organic layer was dried (MgSO4)
  6. filtrationfiltered
  7. concentrationconcentrated
  8. custompurified by CombiFlash (Hex/EtOAc)

Sources & evidence

ORD record
ord-d1c00573885a4bbeb4a465b65de43361
Source dataset
uspto-grants-2015_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08987250B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes