Pyrrolidine → Dimethyl 5-(pyrrolidin-1-yl)isophthalate

HRID 1096937Notes

Reaction equation

HRID 1096937 reaction equation
FC(F)(F)S(O[C:7]1[CH:8]=[C:9]([C:17]([O:19][CH3:20])=[O:18])[CH:10]=[C:11]([CH:16]=1)[C:12]([O:14][CH3:15])=[O:13])(=O)=O.[NH:23]1[CH2:27][CH2:26][CH2:25][CH2:24]1.C(P(C(C)(C)C)C1C=CC=CC=1C1C=CC=CC=1)(C)(C)C.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>C(OCC)(=O)C.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].COCCOC>[N:23]1([C:7]2[CH:8]=[C:9]([C:17]([O:19][CH3:20])=[O:18])[CH:10]=[C:11]([CH:16]=2)[C:12]([O:14][CH3:15])=[O:13])[CH2:27][CH2:26][CH2:25][CH2:24]1

Participants

8

Reactant 4

HCID 31268PyrrolidineHCID 62657Potassium Phosphate, TribasicHCID 27342152-(Di-tert-butylphosphino)biphenylHCID 10617248Dimethyl 5-[[(Trifluoromethyl)sulfonyl]oxy]isophthalate

Product 1

HCID 57930958Dimethyl 5-(pyrrolidin-1-yl)isophthalate

Reagents, catalysts & solvents 3

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 80711,2-DimethoxyethaneSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
80 °C

Procedure

In a nitrogen atmosphere, a mixture of dimethyl 5-trifluoromethanesulfonyloxyisophthalate (1.37 g, 4.00 mmol), pyrrolidine (0.50 mL, 6.00 mmol), tris(dibenzylideneacetone)dipalladium(0) (37 mg, 0.040 mmol), 2-(di-tert-butylphosphino)biphenyl (24 mg, 0.080 mmol), potassium phosphate (1.19 g, 5.60 mmol) and 1,2-dimethoxyethane (12 mL) was stirred at 80° C. for 12 hours. After left cooled, the reaction mixture was diluted with ethyl acetate, filtered through Celite, and the filtrate was concentrated under reduced pressure. The residue was purified through silica gel column chromatography to obtain the title compound as a yellow solid.

Workup

  1. waitAfter left
  2. temperaturecooled
  3. filtrationfiltered through Celite
  4. concentrationthe filtrate was concentrated under reduced pressure
  5. customThe residue was purified through silica gel column chromatography

Sources & evidence

ORD record
ord-04d6cc786cb64d13b36840e67529af1e
Source dataset
uspto-grants-2012_03
Patent number
US08138197B2

Reaction notes

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