Water → Methyl 3-[N-(p-chlorobenzyl)-5-allyloxy-3-(t-butylthio)indol-2-yl]-2,2-dimethylpropanoic acid

HRID 1590724Notes

Reaction equation

HRID 1590724 reaction equation
[Cl:1][C:2]1[CH:31]=[CH:30][C:5]([CH2:6][N:7]2[C:15]3[C:10](=[CH:11][C:12]([OH:16])=[CH:13][CH:14]=3)[C:9]([S:17][C:18]([CH3:21])([CH3:20])[CH3:19])=[C:8]2[CH2:22][C:23]([CH3:29])([CH3:28])[C:24]([O:26]C)=[O:25])=[CH:4][CH:3]=1.[C:32]([O-])([O-])=O.[K+].[K+].[CH2:38](Br)[CH:39]=[CH2:40].O>CN(C=O)C>[CH3:32][CH:22]([C:8]1[N:7]([CH2:6][C:5]2[CH:30]=[CH:31][C:2]([Cl:1])=[CH:3][CH:4]=2)[C:15]2[C:10]([C:9]=1[S:17][C:18]([CH3:21])([CH3:19])[CH3:20])=[CH:11][C:12]([O:16][CH2:38][CH:39]=[CH2:40])=[CH:13][CH:14]=2)[C:23]([CH3:29])([CH3:28])[C:24]([OH:26])=[O:25]

Participants

6

Reactant 4

HCID 962WaterHCID 7841Allyl bromideHCID 11430Potassium CarbonateHCID 14980577Methyl 3-(3-(tert-butylthio)-1-(4-chlorobenzyl)-5-hydroxy-1H-indol-2-yl)-2,2-dimethylpropanoate

Product 1

HCID 19734346Methyl 3-[N-(p-chlorobenzyl)-5-allyloxy-3-(t-butylthio)indol-2-yl]-2,2-dimethylpropanoic acid

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

500 mg. of methyl 3-[N-(p-chlorobenzyl)-5-hydroxy-3-(t-butylthio)indol-2-yl]-2,2-dimethylpropanoate from Step C of Example 1 was dissolved in 5 mL of DMF and 20 mg of K2CO3 and 150 mg of allyl bromide were added. The reaction was stirred for 16 hrs. Water was added and the organic phase extracted with EtOAc (3×5mL). The organic phase was dried with MgSO4 and evaporated to yield, after chromatography on silica gel (EtOAc:hexane 1:5), the title compound.

Workup

  1. extractionthe organic phase extracted with EtOAc (3×5mL)
  2. dry with materialThe organic phase was dried with MgSO4
  3. customevaporated
  4. customto yield

Sources & evidence

ORD record
ord-fb3e87bd314944a9a0db58cdef8088d5
Source dataset
uspto-grants-1993_04
Patent number
US05204344

Reaction notes

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