Phthalimide potassium salt → (E)-3-{1-[4-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-benzenesulfonyl]-1H-pyrrol-3-yl}-acrylic acid tert-butyl ester

HRID 1517797Notes

Reaction equation

HRID 1517797 reaction equation
[C:1]([O:5][C:6](=[O:25])/[CH:7]=[CH:8]/[C:9]1[CH:13]=[CH:12][N:11]([S:14]([C:17]2[CH:22]=[CH:21][C:20]([CH2:23]Br)=[CH:19][CH:18]=2)(=[O:16])=[O:15])[CH:10]=1)([CH3:4])([CH3:3])[CH3:2].[C:26]1(=[O:36])[NH:30][C:29](=[O:31])[C:28]2=[CH:32][CH:33]=[CH:34][CH:35]=[C:27]12.[K]>CC(C)=O>[C:1]([O:5][C:6](=[O:25])/[CH:7]=[CH:8]/[C:9]1[CH:13]=[CH:12][N:11]([S:14]([C:17]2[CH:22]=[CH:21][C:20]([CH2:23][N:30]3[C:26](=[O:36])[C:27]4[C:28](=[CH:32][CH:33]=[CH:34][CH:35]=4)[C:29]3=[O:31])=[CH:19][CH:18]=2)(=[O:16])=[O:15])[CH:10]=1)([CH3:4])([CH3:3])[CH3:2]

Participants

4

Reactant 2

HCID 24194345Phthalimide potassium saltHCID 66646385(E)-3-[1-(4-bromomethyl-benzenesulfonyl)-1H-pyrrol-3-yl]-acrylic acid tert-butyl ester2×

Product 1

HCID 66646417(E)-3-{1-[4-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylmethyl)-benzenesulfonyl]-1H-pyrrol-3-yl}-acrylic acid tert-butyl ester

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

10 g (E)-3-[1-(4-bromomethyl-benzenesulfonyl)-1H-pyrrol-3-yl]-acrylic acid tert-butyl ester (compound D2) is dissolved in acetone and 6.5 g potassium phthalimide is added and the mixture is stirred for 17.5 h. The suspension is filtered and the product is purified by crystallization.

Workup

  1. filtrationThe suspension is filtered
  2. customthe product is purified by crystallization

Sources & evidence

ORD record
ord-8794336d834f4dcaa24a1f8be1614e15
Source dataset
uspto-grants-2012_07
Patent number
US08232297B2

Reaction notes

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