Phenylacetyl isothiocyanate → Morpholine-4-carboxylic acid {4-[2-fluoro-4-(3-phenylacetylthioureido)phenoxy]pyridin-2-yl}amide

HRID 492783Notes

Reaction equation

HRID 492783 reaction equation
[NH2:1][C:2]1[CH:23]=[CH:22][C:5]([O:6][C:7]2[CH:12]=[CH:11][N:10]=[C:9]([NH:13][C:14]([N:16]3[CH2:21][CH2:20][O:19][CH2:18][CH2:17]3)=[O:15])[CH:8]=2)=[C:4]([F:24])[CH:3]=1.[C:25]1([CH2:31][C:32]([N:34]=[C:35]=[S:36])=[O:33])[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1>CN(C)C=O.C(OCC)C>[F:24][C:4]1[CH:3]=[C:2]([NH:1][C:35]([NH:34][C:32](=[O:33])[CH2:31][C:25]2[CH:26]=[CH:27][CH:28]=[CH:29][CH:30]=2)=[S:36])[CH:23]=[CH:22][C:5]=1[O:6][C:7]1[CH:12]=[CH:11][N:10]=[C:9]([NH:13][C:14]([N:16]2[CH2:17][CH2:18][O:19][CH2:20][CH2:21]2)=[O:15])[CH:8]=1

Participants

5

Reactant 2

HCID 12454157Phenylacetyl isothiocyanateHCID 57677752N-(4-(4-amino-2-fluorophenoxy)pyridin-2-yl)morpholine-4-carboxamide

Product 1

HCID 57677431Morpholine-4-carboxylic acid {4-[2-fluoro-4-(3-phenylacetylthioureido)phenoxy]pyridin-2-yl}amideYield 29%

Reagents, catalysts & solvents 2

HCID 3283Diethyl EtherSolventHCID 6228DimethylformamideSolvent

Procedure

To a solution of morpholine-4-carboxylic acid [4-(4-amino-2-fluorophenoxy)pyridin-2-yl]amide (50 mg) in N,N-dimethylformamide (1.0 ml) was added phenylacetyl isothiocyanate (42 mg), followed by stirring at room temperature for 22 hrs. The reaction mixture was partitioned between ethyl acetate and water. The organic layer was washed with brine, and dried over anhydrous sodium sulfate. The solvent was evaporated to give a residue, which was then purified by silica gel column chromatography (eluent; hexane:ethyl acetate=1:1, ethyl acetate, then ethyl acetate:methanol=10:1). Fractions containing the target compound were concentrated to give a solid, which was suspended in diethyl ether. The solid was filtered off, washed with diethyl ether, and dried under aeration to provide the titled compound (22 mg, 0.043 mmol, 29%) as colorless solid.

Workup

  1. customThe reaction mixture was partitioned between ethyl acetate and water
  2. washThe organic layer was washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated
  5. customto give a residue, which
  6. customwas then purified by silica gel column chromatography (eluent
  7. additionFractions containing the target compound
  8. concentrationwere concentrated
  9. customto give a solid, which
  10. filtrationThe solid was filtered off
  11. washwashed with diethyl ether
  12. customdried under aeration

Sources & evidence

ORD record
ord-f97e70a760fc4879abdcfc8afe8d1fd3
Source dataset
uspto-grants-2009_05
Patent number
US07531532B2

Reaction notes

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