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Water → 3-Amino-6-[1-(tert-butoxycarbonyl)-3-(4-hydroxy-1-butynyl)indol-2-yl]phtalimide

HRID 21107
Notes
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Reaction equation

HRID 21107 reaction equation
[NH2:1][C:2]1[CH:12]=[CH:11][C:10]([C:13]2[N:14]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[C:15]3[C:20]([C:21]=2I)=[CH:19][CH:18]=[CH:17][CH:16]=3)=[C:4]2[C:5]([NH:7][C:8](=[O:9])[C:3]=12)=[O:6].[CH2:30]([OH:34])[CH2:31][C:32]#[CH:33].O>C(NCC)C.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu](I)I>[NH2:1][C:2]1[CH:12]=[CH:11][C:10]([C:13]2[N:14]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[C:15]3[C:20]([C:21]=2[C:33]#[C:32][CH2:31][CH2:30][OH:34])=[CH:19][CH:18]=[CH:17][CH:16]=3)=[C:4]2[C:5]([NH:7][C:8](=[O:9])[C:3]=12)=[O:6]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 962WaterHCID 135663-Butyn-1-OLHCID 684887473-Amino-6-[1-(tert-butoxycarbonyl)-3-iodoindol-2-yl]phtalimide

Product 1

HCID 684927783-Amino-6-[1-(tert-butoxycarbonyl)-3-(4-hydroxy-1-butynyl)indol-2-yl]phtalimideYield 87%

Reagents, catalysts & solvents 3

HCID 83717Copper iodideCatalyst
HCID 178418476HCID 178418476, compoundCatalyst
HCID 8021DiethylamineSolvent

Conditions

Temperature
50 °C

Procedure

3-Amino-6-[1-(tert-butoxycarbonyl)-3-iodoindol-2-yl]phtalimide (150 mg, 0.298 mmol) was dissolved in diethylamine (7.5 mL), and the solution was added with bis(triphenylphosphine)dichloropalladium (16.7 mg, 0.0234 mmol), copper iodide (11.4 mg, 0.0596 mmol) and 3-butyn-1-ol (0.226 mL, 2.98 mmol), followed by stirring at 50° C. for 3.7 hours under argon atmosphere. The reaction mixture was added with water and extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by preparative thin-layer chromatography (chloroform/methanol=10/1) to obtain 3-amino-6-[1-(tert-butoxycarbonyl)-3-(4-hydroxy-1-butynyl)indol-2-yl]phtalimide (115 mg, yield 87%).

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by preparative thin-layer chromatography (chloroform/methanol=10/1)

Sources & evidence

ORD record
ord-5cb5ea9590ec49be94d9bad2c5ae3039
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07745641B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes