Tetrahydrofuran → HCID 59255122, compound

HRID 640376Notes

Reaction equation

HRID 640376 reaction equation
O1CCCC1.[NH2:6][C:7]1[C:12]([C:13]2[O:17][N:16]=[C:15]([CH2:18][C:19]3[CH:24]=[CH:23][C:22]([OH:25])=[CH:21][CH:20]=3)[CH:14]=2)=[CH:11][CH:10]=[C:9]([NH2:26])[N:8]=1.[OH-].[Na+].Cl[CH2:30][C:31]1[CH:36]=[CH:35][CH:34]=[C:33]([F:37])[N:32]=1>CN(C)C=O>[F:37][C:33]1[N:32]=[C:31]([CH2:30][O:25][C:22]2[CH:23]=[CH:24][C:19]([CH2:18][C:15]3[CH:14]=[C:13]([C:12]4[C:7]([NH2:6])=[N:8][C:9]([NH2:26])=[CH:10][CH:11]=4)[O:17][N:16]=3)=[CH:20][CH:21]=2)[CH:36]=[CH:35][CH:34]=1

Participants

6

Reactant 4

HCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 224820332-(Chloromethyl)-6-fluoropyridineHCID 592553274-(5-(2,6-Diamino-pyridine-3-yl)-isoxazol-3-ylmethyl)phenol

Product 1

HCID 59255122HCID 59255122, compoundYield 14.2%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent2×

Procedure

To a tetrahydrofuran (3 mL) solution of 4-(5-(2,6-diamino-pyridin-3-yl)-isoxazol-3-ylmethyl)-phenol (40 mg, 0.14 mmol) described in Manufacturing Example 18-1-1 was added a 5 N sodium hydroxide aqueous solution (28.3 μL, 0.14 mmol), which was dissolved by irradiating ultrasonic wave for 1 minute. The reaction solution was concentrated under a reduced pressure, which gave a white solid. To a suspension of this solid in N,N-dimethylformamide (1 mL) was added an N,N-dimethylformamide (1 mL) solution of 2-chloromethyl-6-fluoro-pyridine (52.7 mg, 0.36 mmol) described in manufacturing Example 45-1-1, which was stirred for 14 hours at room temperature. The reaction mixture was partitioned into water and ethyl acetate. The organic layer was separated, washed with water and saturated aqueous sodium chloride, dried over anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under a reduced pressure. The residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=1:2), and then further purified by reverse-phase high performance liquid chromatography (using an acetonitrile-water mobile phase containing 0.1% trifluoroacetic acid) to obtain the title compound (7.8 mg, 11%) as a trifluoroacetic acid salt.

Workup

  1. dissolutionwas dissolved
  2. customby irradiating ultrasonic wave for 1 minute
  3. concentrationThe reaction solution was concentrated under a reduced pressure, which
  4. customgave a white solid
  5. customThe reaction mixture was partitioned into water and ethyl acetate
  6. customThe organic layer was separated
  7. washwashed with water and saturated aqueous sodium chloride
  8. dry with materialdried over anhydrous magnesium sulfate
  9. filtrationfiltered
  10. concentrationThe filtrate was concentrated under a reduced pressure
  11. customThe residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=1:2)
  12. customfurther purified by reverse-phase high performance liquid chromatography (
  13. additioncontaining 0.1% trifluoroacetic acid)

Sources & evidence

ORD record
ord-327bc9f28f9441b08adc22df2ea9fe15
Source dataset
uspto-grants-2010_04
Patent number
US07691882B2

Reaction notes

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