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Potassium Carbonate → 2-{2-[(3aS,5R,6S,6aS)-5-{(E)-2-[4-(6-methoxypyridin-3-yl)phenyl]ethenyl}-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl]ethyl}-1H-isoindole-1,3(2H)-dione

HRID 84007
Notes
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Reaction equation

HRID 84007 reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5](/[CH:8]=[CH:9]/[C@H:10]2[O:19][C@H:13]3[O:14][C:15]([CH3:18])([CH3:17])[O:16][C@H:12]3[C@H:11]2[CH2:20][CH2:21][N:22]2[C:30](=[O:31])[C:29]3[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=3)[C:23]2=[O:32])=[CH:4][CH:3]=1.[CH3:33][O:34][C:35]1[CH:40]=[CH:39][C:38](B(O)O)=[CH:37][N:36]=1.C(=O)([O-])[O-].[K+].[K+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:33][O:34][C:35]1[N:36]=[CH:37][C:38]([C:2]2[CH:3]=[CH:4][C:5](/[CH:8]=[CH:9]/[C@H:10]3[O:19][C@H:13]4[O:14][C:15]([CH3:17])([CH3:18])[O:16][C@H:12]4[C@H:11]3[CH2:20][CH2:21][N:22]3[C:23](=[O:32])[C:24]4[C:29](=[CH:28][CH:27]=[CH:26][CH:25]=4)[C:30]3=[O:31])=[CH:6][CH:7]=2)=[CH:39][CH:40]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 2734368(6-Methoxypyridin-3-yl)boronic acidHCID 687627252-(2-{(3aS,5R,6S,6aS)-5-[(E)-2-(4-bromophenyl)ethenyl]-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl}ethyl)-1H-isoindole-1,3(2H)-dione

Product 1

HCID 671818872-{2-[(3aS,5R,6S,6aS)-5-{(E)-2-[4-(6-methoxypyridin-3-yl)phenyl]ethenyl}-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl]ethyl}-1H-isoindole-1,3(2H)-dione

Reagents, catalysts & solvents 1

HCID 178418397HCID 178418397, compoundCatalyst

Conditions

Temperature
120 °C

Procedure

A mixture of the compound obtained from step d above (1 g), 2-methoxy-5-pyridine boronic acid (0.614 g), tetrakistriphenylphosphinepalladium (0) (0.115 g), and potassium carbonate (0.832 g) was dried under high vacuum for 10 minutes, and dry dimethylformamide (8 mL) was added at room temperature. The reaction mixture was heated at 120° C. for 2 hours, and then quenched with water and extracted with ethyl acetate. The organic layer was washed with water and brine solution, and dried over anhydrous sodium sulphate. The solvent was evaporated under reduced pressure to obtain a residue which was purified by column chromatography over silica gel using 30% ethyl acetate in hexane as eluant to afford the title compound (0.62 g).

Workup

  1. customwas dried under high vacuum for 10 minutes
  2. additiondry dimethylformamide (8 mL) was added at room temperature
  3. customquenched with water
  4. extractionextracted with ethyl acetate
  5. washThe organic layer was washed with water and brine solution
  6. dry with materialdried over anhydrous sodium sulphate
  7. customThe solvent was evaporated under reduced pressure
  8. customto obtain a residue which
  9. customwas purified by column chromatography over silica gel using 30% ethyl acetate in hexane as eluant

Sources & evidence

ORD record
ord-8aa847e682e049749dcd996e0f226db4
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08846910B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes