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Triethylamine → (+/-)-N-{2-[1-(3-benzyl-7-chloro-4-oxo-3,4-dihydro-pteridin-2-yl)-2-methyl-propylamino]-1,1-dimethyl-ethyl}-3-fluoro-4-methyl-benzamide

HRID 1823674
Notes
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Reaction equation

HRID 1823674 reaction equation
[NH2:1][C:2]([CH3:29])([CH3:28])[CH2:3][NH:4][CH:5]([C:9]1[N:18]([CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C:17](=[O:26])[C:16]2[C:11](=[N:12][C:13]([Cl:27])=[CH:14][N:15]=2)[N:10]=1)[CH:6]([CH3:8])[CH3:7].C(N(CC)CC)C.[F:37][C:38]1[CH:39]=[C:40]([CH:44]=[CH:45][C:46]=1[CH3:47])[C:41](Cl)=[O:42]>ClCCl>[CH2:19]([N:18]1[C:17](=[O:26])[C:16]2[C:11](=[N:12][C:13]([Cl:27])=[CH:14][N:15]=2)[N:10]=[C:9]1[CH:5]([NH:4][CH2:3][C:2]([NH:1][C:41](=[O:42])[C:40]1[CH:44]=[CH:45][C:46]([CH3:47])=[C:38]([F:37])[CH:39]=1)([CH3:29])[CH3:28])[CH:6]([CH3:8])[CH3:7])[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 27348753-Fluoro-4-methylbenzoyl chlorideHCID 22172622(+/-)-2-[1-(2-amino-2-methyl-propylamino)-2-methyl-propyl]-3-benzyl-7-chloro-3H-pteridin-4-one

Product 1

HCID 22172604(+/-)-N-{2-[1-(3-benzyl-7-chloro-4-oxo-3,4-dihydro-pteridin-2-yl)-2-methyl-propylamino]-1,1-dimethyl-ethyl}-3-fluoro-4-methyl-benzamide

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

Formula 203 where R2 is H; R3 is Cl; R5 is Benzyl; R6 is Isopropyl; R6′ is H; Ra and Rb are Methyl; Rc is 3-Fluoro-4-methyl-phenyl-; W and Z are —N═; X and Y are —C═: To a solution of (±)-2-[1-(2-amino-2-methyl-propylamino)-2-methyl-propyl]-3-benzyl-7-chloro-3H-pteridin-4-one (133 mg, 0.32 mmol) in dichloromethane (3 mL) is added triethylamine (90 μL, 0.64 mmol), followed by 3-fluoro-4-methylbenzoyl chloride (51 μL, 0.35 mmol). The resultant solution is stirred at ambient temperature for 3 hours, quenched with saturated aqueous sodium bicarbonate (5 mL) and diluted with dichloromethane (5 mL). The aqueous layer is extracted with dichloromethane (5 mL) and the combined extracts are dried over magnesium sulfate, filtered and concentrated under reduced pressure. The residue is purified by silica gel chromatography (10–20% ethyl acetate/hexanes) to give (±)-N-{2-[1-(3-benzyl-7-chloro-4-oxo-3,4-dihydro-pteridin-2-yl)-2-methyl-propylamino]-1,1-dimethyl-ethyl}-3-fluoro-4-methyl-benzamide.

Workup

  1. customquenched with saturated aqueous sodium bicarbonate (5 mL)
  2. additiondiluted with dichloromethane (5 mL)
  3. extractionThe aqueous layer is extracted with dichloromethane (5 mL)
  4. dry with materialthe combined extracts are dried over magnesium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe residue is purified by silica gel chromatography (10–20% ethyl acetate/hexanes)

Sources & evidence

ORD record
ord-4b825cf3f9df4159bc2873b8bbe3c667
Source dataset
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07038048B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes