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Ammonium Chloride → 4-((1R,3S)-3-Hydroxycyclohexylamino)-2-(methylthio)pyrimidine-5-carboxamide

HRID 2280694
Notes
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Reaction equation

HRID 2280694 reaction equation
[OH:1][C@H:2]1[CH2:7][CH2:6][CH2:5][C@@H:4]([NH:8][C:9]2[C:14]([C:15](O)=[O:16])=[CH:13][N:12]=[C:11]([S:18][CH3:19])[N:10]=2)[CH2:3]1.C[N:21](C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[Cl-].[NH4+].CCN(C(C)C)C(C)C>CN(C=O)C>[OH:1][C@H:2]1[CH2:7][CH2:6][CH2:5][C@@H:4]([NH:8][C:9]2[C:14]([C:15]([NH2:21])=[O:16])=[CH:13][N:12]=[C:11]([S:18][CH3:19])[N:10]=2)[CH2:3]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 25517Ammonium ChlorideHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 712368824-((1R,3S)-3-Hydroxycyclohexylamino)-2-(methylthio)pyrimidine-5-carboxylic acid

Product 1

HCID 71237264
4-((1R,3S)-3-Hydroxycyclohexylamino)-2-(methylthio)pyrimidine-5-carboxamide

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

4-((1R,3S)-3-Hydroxycyclohexylamino)-2-(methylthio)pyrimidine-5-carboxylic acid (4.5 g, 15.88 mmol) and HATU (9.06 g, 23.82 mmol) were dissolved in DMF (75 mL) and allowed to stir for 5 min at room temperature before adding ammonium chloride (4.25 g, 79 mmol) and DIEA (13.87 mL, 79 mmol). The reaction was allowed to stir at room temperature overnight. After LCMS showed the desired product mass as the dominant peak, the reaction was partitioned between water and ethyl acetate. The organic layer was washed once with brine before drying over sodium sulfate, filtering, and condensing. After drying, 4-((1R,3S)-3-hydroxycyclohexylamino)-2-(methylthio)-pyrimidine-5-carboxamide (4.19 g, 14.84 mmol, 93% yield) was obtained as an off-white solid; MS (ESI) m/z 283.2 [M+1]+

Workup

  1. stirringto stir at room temperature overnight

Sources & evidence

ORD record
ord-06248214618a44ecb2f5ac5f2da552d7
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09139534B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes