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Methyl iodide → 1,1-Dimethylethyl {[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(methyloxy)azetidine-3-yl]methyl}carbamate

HRID 1717563
Notes
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Reaction equation

HRID 1717563 reaction equation
[F:1][C:2]1[C:3]([NH:25][C:26]2[CH:31]=[CH:30][C:29]([I:32])=[CH:28][C:27]=2[F:33])=[C:4]([C:9]([N:11]2[CH2:14][C:13]([CH2:16][NH:17][C:18](=[O:24])[O:19][C:20]([CH3:23])([CH3:22])[CH3:21])([OH:15])[CH2:12]2)=[O:10])[CH:5]=[CH:6][C:7]=1[F:8].[CH3:34]I>[Ag-]=O.C(OCC)C>[F:1][C:2]1[C:3]([NH:25][C:26]2[CH:31]=[CH:30][C:29]([I:32])=[CH:28][C:27]=2[F:33])=[C:4]([C:9]([N:11]2[CH2:14][C:13]([CH2:16][NH:17][C:18](=[O:24])[O:19][C:20]([CH3:21])([CH3:23])[CH3:22])([O:15][CH3:34])[CH2:12]2)=[O:10])[CH:5]=[CH:6][C:7]=1[F:8]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6328Methyl iodideHCID 685160531,1-Dimethylethyl {[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidine-3-yl]methyl}carbamate

Product 1

HCID 866212611,1-Dimethylethyl {[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(methyloxy)azetidine-3-yl]methyl}carbamate

Reagents, catalysts & solvents 2

HCID 178418778HCID 178418778, compoundCatalyst
HCID 3283
Diethyl Ether
Solvent

Procedure

1,1-Dimethylethyl {[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-hydroxyazetidine-3-yl]methyl}carbamate (8.0 mg, 0.014 mmol) and silver (I) oxide (12 mg, 0.05 mmol) were taken into methyl iodide (0.5 mL) and the mixture was brought to reflux for 4 hours. The suspension was then cooled to room temperature and diluted with an excess of ethyl ether then filtered. The filtrate was concentrated and purified by silica gel flash chromatography using hexanes:ethyl acetate (1:1) as eluent to give 1,1-dimethylethyl {[1-({3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl}carbonyl)-3-(methyloxy)azetidine-3-yl]methyl}carbamate (2 mg). The material was taken into TFA (0.5 mL) and allowed to stand for 5 minutes then concentrated in vacuo. The residue was azetroped twice from methanol (2 mL) and the residue dried in vacuo to afford 6-{[3-(aminomethyl)-3-(methyloxy)azetidin-1-yl]carbonyl}-2,3-difluoro-N-(2-fluoro-4-iodophenyl)aniline trifluoroacetate salt (2.3 mg, 27% yield) as an amorphous solid. MS (EI) for C18H17F3IN3O: 492 (MH+).

Workup

  1. temperatureto reflux for 4 hours
  2. filtrationthen filtered
  3. concentrationThe filtrate was concentrated
  4. custompurified by silica gel flash chromatography

Sources & evidence

ORD record
ord-961f54a15c5d421c811dd52895551853
Source dataset
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07803839B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes