Ammonium Hydroxide → 4-(2-Amino-5,7-dihydro-pyrrolo[3,4-d]pyrimidin-6-yl)-pyridine-2-carboxylic acid (3-trifluoromethyl-phenyl)-amide

HRID 1052016Notes

Reaction equation

HRID 1052016 reaction equation
CS([C:4]1[N:5]=[CH:6][C:7]2[CH2:12][N:11]([C:13]3[CH:18]=[CH:17][N:16]=[C:15]([C:19]([NH:21][C:22]4[CH:27]=[CH:26][CH:25]=[C:24]([C:28]([F:31])([F:30])[F:29])[CH:23]=4)=[O:20])[CH:14]=3)[CH2:10][C:8]=2[N:9]=1)=O.CS(C1[N:37]=CC2CN(C3C=CN=C(C(NC4C=CC=C(C(F)(F)F)C=4)=O)C=3)CC=2N=1)(=O)=O.[OH-].[NH4+]>O1CCOCC1>[F:29][C:28]([F:31])([F:30])[C:24]1[CH:23]=[C:22]([NH:21][C:19]([C:15]2[CH:14]=[C:13]([N:11]3[CH2:12][C:7]4[CH:6]=[N:5][C:4]([NH2:37])=[N:9][C:8]=4[CH2:10]3)[CH:18]=[CH:17][N:16]=2)=[O:20])[CH:27]=[CH:26][CH:25]=1

Participants

5

Conditions

Temperature
90 °C

Procedure

A mixture of 4-(2-(Methylsulfinyl)-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)-N-(3-(trifluoromethyl)phenyl)picolinamide and 4-(2-(methylsulfonyl)-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)-N-(3-(trifluoromethyl)phenyl)picolinamide was suspended in 1,4-dioxane (7 mL). Ammonium hydroxide (30%, 1.5 mL) was added and the reaction was heated at 90° C. for 16 hours. TLC indicated only partial conversion to the desired amine. The solvent was reduced with a nitrogen stream and then additional ammonium hydroxide (1 mL) was added. The reaction was sealed in a tube and heated at 100° C. for 17 h. The solvent was evaporated in vacuo. The resulting solid was triturated with water and then methanol. The solid was chromatographed on silica gel (4 g) eluted with ethyl acetate:methanol (9:1) to give the title compound (10.6 mg, 0.026 mmol).

Workup

  1. customThe reaction was sealed in a tube
  2. temperatureheated at 100° C. for 17 h
  3. customThe solvent was evaporated in vacuo
  4. customThe resulting solid was triturated with water
  5. customThe solid was chromatographed on silica gel (4 g)
  6. washeluted with ethyl acetate:methanol (9:1)

Sources & evidence

ORD record
ord-82c42dab1f2d435ca765acf42fb2b469
Source dataset
uspto-grants-2016_07
Patent number
US09388176B2

Reaction notes

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