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Lawesson's reagent → HCID 58010138, compound

HRID 2204621
Notes
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Reaction equation

HRID 2204621 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:9](=[CH:10][CH:11]=1)[N:8]([CH3:12])[CH:7]=[C:6]2[C:13]1[N:31]([CH2:32][O:33][CH2:34][CH2:35][Si:36]([CH3:39])([CH3:38])[CH3:37])[C:16]2=[N:17][CH:18]=[C:19]([CH2:21][NH:22][C:23](=O)C3C=CC=CC=3)[N:20]=[C:15]2[CH:14]=1.COC1C=CC(P2(SP(C3C=CC(OC)=CC=3)(=S)S2)=S)=CC=1>O1CCOCC1.CCOC(C)=O>[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:9](=[CH:10][CH:11]=1)[N:8]([CH3:12])[CH:7]=[C:6]2[C:13]1[N:31]([CH2:32][O:33][CH2:34][CH2:35][Si:36]([CH3:38])([CH3:37])[CH3:39])[C:16]2[N:17]=[CH:18][C:19]3[N:20]([CH:23]=[N:22][CH:21]=3)[C:15]=2[CH:14]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 87949Lawesson's reagentHCID 58010182HCID 58010182, compound

Product 1

HCID 58010138HCID 58010138, compoundYield 56.4%

Reagents, catalysts & solvents 2

HCID 8857Ethyl AcetateSolventHCID 312751,4-DioxaneSolvent

Conditions

Temperature
80 °C

Procedure

N-((6-(5-Methoxy-1-methyl-1H-indol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)methyl)benzamide (0.118 g, 0.218 mmol) in 1,4-dioxane (3 mL) was treated with Lawesson's Reagent (0.070 g, 0.17 mmol) and was heated to about 80° C. in an oil bath for about 20 min. The mixture was cooled to ambient temperature and then mercuric acetate (0.073 g, 0.23 mmol) was added. The mixture was stirred for about 60 min at ambient temperature then another portion of mercuric acetate (0.069 g, 0.22 mmol) was added and stirring was continued for about 20 min at ambient temperature. The mixture was diluted with EtOAc (20 mL) and then filtered. The filtrate was concentrated under reduced pressure and the material was purified by silica gel chromatography eluting with EtOAc to give 7-(5-methoxy-1-methyl-1H-indol-3-yl)-6-((2-(trimethylsilyl)ethoxy)methyl)-6H-imidazo[1,5-a]pyrrolo[2,3-e]pyrazine (0.055 g, 48%): LC/MS (Table 2, Method d) Rt=1.91 min; MS m/z: 524 (M+H)+.

Workup

  1. temperatureThe mixture was cooled to ambient temperature
  2. stirringstirring
  3. waitwas continued for about 20 min at ambient temperature
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customthe material was purified by silica gel chromatography
  7. washeluting with EtOAc

Sources & evidence

ORD record
ord-308d8e0bd00144de86673a4731353341
Source dataset
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09365579B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes