Hydrochloric Acid → {8-Fluoro-2-[4-(3,4-difluorophenyl)-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-3,4-dihydro-4-quinazolinyl}acetic acid

HRID 459826Notes

Reaction equation

HRID 459826 reaction equation
[F:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:11]=1[N:10]=[C:9]([N:12]1[CH2:17][CH2:16][N:15]([C:18]3[CH:23]=[CH:22][C:21]([F:24])=[C:20]([F:25])[CH:19]=3)[CH2:14][CH2:13]1)[N:8]([C:26]1[CH:31]=[C:30]([C:32]([F:35])([F:34])[F:33])[CH:29]=[CH:28][C:27]=1[O:36][CH3:37])[CH:7]2[CH2:38][C:39]([O:41]C)=[O:40].[OH-].[Na+].Cl>O1CCOCC1>[F:1][C:2]1[CH:3]=[CH:4][CH:5]=[C:6]2[C:11]=1[N:10]=[C:9]([N:12]1[CH2:17][CH2:16][N:15]([C:18]3[CH:23]=[CH:22][C:21]([F:24])=[C:20]([F:25])[CH:19]=3)[CH2:14][CH2:13]1)[N:8]([C:26]1[CH:31]=[C:30]([C:32]([F:35])([F:34])[F:33])[CH:29]=[CH:28][C:27]=1[O:36][CH3:37])[CH:7]2[CH2:38][C:39]([OH:41])=[O:40]

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 58824001Methyl {8-fluoro-2-[4-(3,4-difluorophenyl)-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)-phenyl]-3,4-dihydro-4-quinazolinyl}acetate

Product 1

HCID 18444413{8-Fluoro-2-[4-(3,4-difluorophenyl)-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-3,4-dihydro-4-quinazolinyl}acetic acid

Reagents, catalysts & solvents 1

HCID 312751,4-DioxaneSolvent

Procedure

In 40 ml of dioxane, 881 mg (1.49 mmol) of methyl {8-fluoro-2-[4-(3,4-difluorophenyl)-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-3,4-dihydro-4-quinazolinyl}acetate (Example 32A) and 178 mg (4.46 mmol) of sodium hydroxide are stirred at 50° C. for 2 hours. Following acidification with 1N hydrochloric acid, the product is filtered off with suction, washed with water and dried under reduced pressure.

Workup

  1. filtrationthe product is filtered off with suction
  2. washwashed with water
  3. customdried under reduced pressure

Sources & evidence

ORD record
ord-53f8cf7b97114940b48f35ffea846f9b
Source dataset
uspto-grants-2007_03
Patent number
US07196086B2

Reaction notes

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