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Dichloromethane → 3-[2-{[3-(Diethylamino)propyl]amino}-8-(2,6-difluorophenyl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-5-fluoro-4-methylbenzoic acid trifluoroacetate

HRID 223063
Notes
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Reaction equation

HRID 223063 reaction equation
[F:1][C:2]([F:7])([F:6])[C:3]([OH:5])=[O:4].[CH2:8]([N:10]([CH2:49][CH3:50])[CH2:11][CH2:12][CH2:13][NH:14][C:15]1[N:16]=[C:17]([C:34]2[CH:35]=[C:36]([CH:44]=[C:45]([F:48])[C:46]=2[CH3:47])[C:37]([O:39]C(C)(C)C)=[O:38])[C:18]2[CH:24]=[CH:23][C:22](=[O:25])[N:21]([C:26]3[C:31]([F:32])=[CH:30][CH:29]=[CH:28][C:27]=3[F:33])[C:19]=2[N:20]=1)[CH3:9].ClCCl.C(O)(C(F)(F)F)=O.C([SiH](CC)CC)C>>[F:1][C:2]([F:7])([F:6])[C:3]([OH:5])=[O:4].[CH2:49]([N:10]([CH2:8][CH3:9])[CH2:11][CH2:12][CH2:13][NH:14][C:15]1[N:16]=[C:17]([C:34]2[CH:35]=[C:36]([CH:44]=[C:45]([F:48])[C:46]=2[CH3:47])[C:37]([OH:39])=[O:38])[C:18]2[CH:24]=[CH:23][C:22](=[O:25])[N:21]([C:26]3[C:27]([F:33])=[CH:28][CH:29]=[CH:30][C:31]=3[F:32])[C:19]=2[N:20]=1)[CH3:50]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 4

HCID 6344DichloromethaneHCID 6422Trifluoroacetic acidHCID 12052TriethylsilaneHCID 866085741,1-Dimethylethyl 3-[2-{[3-(diethylamino)-propyl]amino}-8-(2,6-difluorophenyl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-5-fluoro-4-methylbenzoate trifluoroacetate

Product 1

HCID 86608573
3-[2-{[3-(Diethylamino)propyl]amino}-8-(2,6-difluorophenyl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-5-fluoro-4-methylbenzoic acid trifluoroacetate
Yield 40%

Procedure

To the crude compound 1,1-dimethylethyl 3-[2-{[3-(diethylamino)-propyl]amino}-8-(2,6-difluorophenyl)-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-4-yl]-5-fluoro-4-methylbenzoate trifluoroacetate in dichloromethane (1.5 mL, 23.3 mmol) were added TFA (0.703 mL, 9.5 mmol) and triethylsilane (0.281 mL, 1.82 mmol). The mixture was stirred at rt overnight. Separation by HPLC with TFA afforded the title compound (301 mg, 40%, 2 steps yield). LC-MS m/z 540 (M+H)+.

Workup

  1. customSeparation by HPLC with TFA

Sources & evidence

ORD record
ord-17952c55f027499fb101d4bd07923574
Source dataset
uspto-grants-2012_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08207176B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes