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Sodium Iodide → 7-benzyl-N-(4-(trifluoromethyl)phenyl)-5,6,7,8-tetrahydro-2-(methylthio)pyrido[3,4-d]pyrimidin-4-amine

HRID 971225
Notes
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Reaction equation

HRID 971225 reaction equation
[I-].[Na+].I.[CH2:4]([N:11]1[CH2:20][CH2:19][C:18]2[C:17](Cl)=[N:16][C:15]([S:22][CH3:23])=[N:14][C:13]=2[CH2:12]1)[C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1.[NH2:24][C:25]1[CH:30]=[CH:29][C:28]([C:31]([F:34])([F:33])[F:32])=[CH:27][CH:26]=1>O1CCOCC1>[CH2:4]([N:11]1[CH2:20][CH2:19][C:18]2[C:17]([NH:24][C:25]3[CH:30]=[CH:29][C:28]([C:31]([F:32])([F:33])[F:34])=[CH:27][CH:26]=3)=[N:16][C:15]([S:22][CH3:23])=[N:14][C:13]=2[CH2:12]1)[C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 5238Sodium IodideHCID 99644-(Trifluoromethyl)anilineHCID 24841Hydrogen iodideHCID 529876597-Benzyl-4-chloro-2-(methylthio)-5,6,7,8-tetrahydropyrido[3,4-D]pyrimidine

Product 1

HCID 590215717-benzyl-N-(4-(trifluoromethyl)phenyl)-5,6,7,8-tetrahydro-2-(methylthio)pyrido[3,4-d]pyrimidin-4-amineYield 73.3%

Reagents, catalysts & solvents

1
HCID 312751,4-DioxaneSolvent

Conditions

Temperature
100 °C

Procedure

Sodium iodide (3.9 g, 26 mmol) and hydriodic acid (10 mL, 47% aqueous solution) were added to a mixture of 7-benzyl-4-chloro-5,6,7,8-tetrahydro-2-(methylthio)pyrido[3,4-d]pyrimidine (8.0 g, 26 mmol) and 4-aminobenzotrifluoride (5.06 g, 0.031 mol) in dioxane (100 mL) and the reaction mixture was stirred at 100° C. overnight. Solid thus formed was filtered out, washed with ethyl acetate and diethyl ether and dried in vacuo. Product was obtained as white needle solid (8.2 g).

Workup

  1. customSolid thus formed
  2. filtrationwas filtered out
  3. washwashed with ethyl acetate and diethyl ether
  4. customdried in vacuo

Sources & evidence

ORD record
ord-45885ac949f2469183dd63df184512e6
Source dataset
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07312330B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes