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Water → 1-(3-Tert-butyldiphenylsilyloxymethyl-2,4-dichlorophenyl)-2-(propionamidomethyl)pyrrole

HRID 1871135
Notes
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Reaction equation

HRID 1871135 reaction equation
[NH2:1][CH2:2][C:3]1[N:4]([C:8]2[CH:13]=[CH:12][C:11]([Cl:14])=[C:10]([CH2:15][O:16][Si:17]([C:30]([CH3:33])([CH3:32])[CH3:31])([C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)[C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)[C:9]=2[Cl:34])[CH:5]=[CH:6][CH:7]=1.C(N(CC)CC)C.[C:42](Cl)(=[O:45])[CH2:43][CH3:44].O>ClCCl>[Si:17]([O:16][CH2:15][C:10]1[C:9]([Cl:34])=[C:8]([N:4]2[CH:5]=[CH:6][CH:7]=[C:3]2[CH2:2][NH:1][C:42](=[O:45])[CH2:43][CH3:44])[CH:13]=[CH:12][C:11]=1[Cl:14])([C:30]([CH3:31])([CH3:33])[CH3:32])([C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 8471TriethylamineHCID 62324Propionyl chlorideHCID 183217752-Aminomethyl-1-(3-tert-butyldiphenylsilyloxymethyl-2,4-dichlorophenyl)pyrrole

Product 1

HCID 183219481-(3-Tert-butyldiphenylsilyloxymethyl-2,4-dichlorophenyl)-2-(propionamidomethyl)pyrroleYield 99.8%

Reagents, catalysts & solvents

1
HCID 6344DichloromethaneSolvent

Procedure

To a mixture of 2-aminomethyl-1-[3-(tert-butyldiphenylsilyloxymethyl)-2,4-dichlorophenyl]pyrrole (167 mg) and triethylamine (39.8 mg) in dichloromethane (2 ml) was added propionyl chloride (33.4 mg) under ice-cooling, and the mixture was stirred for 1 hour at the same temperature and for 3 hours at ambient temperature. The mixture was poured into water and extracted with chloroform. The organic layer was washed with water and brine, dried over magnesium sulfate and evaporated in vacuo to give 1-(3-tert-butyldiphenylsilyloxymethyl-2,4-dichlorophenyl)-2-(propionamidomethyl)pyrrole (185 mg) as oil.

Workup

  1. temperaturecooling
  2. extractionextracted with chloroform
  3. washThe organic layer was washed with water and brine
  4. dry with materialdried over magnesium sulfate
  5. customevaporated in vacuo

Sources & evidence

ORD record
ord-e93ba9c1a3af4b8d83b79aaaec386f84
Source dataset
uspto-grants-2000_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06100284

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes