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Ammonium Chloride → Tert-butyl cis-2-(6-chloro-3-fluoro-5-(2-phenylpropan-2-ylaminocarbonyl)pyridin-2-ylamino)cyclohexylcarbamate

HRID 340428
Notes
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Reaction equation

HRID 340428 reaction equation
[C:1]([NH2:10])([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)([CH3:3])[CH3:2].CCN=C=NCCCN(C)C.Cl.C1C=CC2N(O)N=NC=2C=1.[C:33]([O:37][C:38]([NH:40][C@H:41]1[CH2:46][CH2:45][CH2:44][CH2:43][C@H:42]1[NH:47][C:48]1[C:56]([F:57])=[CH:55][C:51]([C:52](O)=[O:53])=[C:50]([Cl:58])[N:49]=1)=[O:39])([CH3:36])([CH3:35])[CH3:34].[Cl-].[NH4+]>C(OCC)(=O)C.CN(C=O)C.O>[Cl:58][C:50]1[N:49]=[C:48]([NH:47][C@H:42]2[CH2:43][CH2:44][CH2:45][CH2:46][C@H:41]2[NH:40][C:38](=[O:39])[O:37][C:33]([CH3:36])([CH3:34])[CH3:35])[C:56]([F:57])=[CH:55][C:51]=1[C:52]([NH:10][C:1]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)([CH3:3])[CH3:2])=[O:53]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

9

Reactant 5

HCID 25517Ammonium ChlorideHCID 68509CumylamineHCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 866838426-(cis-2-(Tert-butoxycarbonylamino)cyclohexylamino)-2-chloro-5-fluoronicotinic acid

Product 1

HCID 86683841
Tert-butyl cis-2-(6-chloro-3-fluoro-5-(2-phenylpropan-2-ylaminocarbonyl)pyridin-2-ylamino)cyclohexylcarbamate

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

Cumylamine (1.97 ml), WSC.HCl (2.62 g), and HOBt.H2O (2.10 g) were added to a DMF (60 ml) solution containing 6-(cis-2-(tert-butoxycarbonylamino)cyclohexylamino)-2-chloro-5-fluoronicotinic acid obtained in the 1st step, followed by stirring at room temperature for 4 hours. A saturated aqueous ammonium chloride solution and ethyl acetate were added to the reaction mixture. The organic layer was collected, washed with a saturated aqueous sodium hydrogen carbonate solution and then with saturated saline, and dried over anhydrous magnesium sulfate, and the solvent was distilled away under reduced pressure. Diisopropylether and hexane were added to the obtained residue, solid matter was collected by filtration, and a white solid of tert-butyl cis-2-(6-chloro-3-fluoro-5-(2-phenylpropan-2-ylaminocarbonyl)pyridin-2-ylamino)cyclohexylcarbamate (4.41 g) was thus obtained.

Workup

  1. customobtained in the 1st step
  2. customThe organic layer was collected
  3. washwashed with a saturated aqueous sodium hydrogen carbonate solution
  4. dry with materialwith saturated saline, and dried over anhydrous magnesium sulfate
  5. distillationthe solvent was distilled away under reduced pressure
  6. additionDiisopropylether and hexane were added to the obtained residue, solid matter
  7. filtrationwas collected by filtration

Sources & evidence

ORD record
ord-44aa4b48abcc4483b3ee470704106742
Source dataset
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08895585B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes