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Morpholine → (R)-N-(5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)morpholine-4-carboxamide

HRID 2275349
Notes
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Reaction equation

HRID 2275349 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([F:8])=[CH:4][C:3]=1[C@H:9]1[CH2:13][CH2:12][CH2:11][N:10]1[C:14]1[CH:19]=[CH:18][N:17]2[N:20]=[CH:21][C:22]([NH2:23])=[C:16]2[N:15]=1.C1N=CN([C:29]([N:31]2[CH:35]=N[CH:33]=[CH:32]2)=[O:30])C=1.N1CC[O:39][CH2:38]C1>C(Cl)Cl>[F:1][C:2]1[CH:7]=[CH:6][C:5]([F:8])=[CH:4][C:3]=1[C@H:9]1[CH2:13][CH2:12][CH2:11][N:10]1[C:14]1[CH:19]=[CH:18][N:17]2[N:20]=[CH:21][C:22]([NH:23][C:29]([N:31]3[CH2:32][CH2:33][O:39][CH2:38][CH2:35]3)=[O:30])=[C:16]2[N:15]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8083MorpholineHCID 682631,1'-CarbonyldiimidazoleHCID 58386314(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine

Product 1

HCID 58386324(R)-N-(5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-yl)morpholine-4-carboxamideYield 91%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a DCM (0.8 mL) solution of (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine (Preparation B; 30 mg, 0.095 mmol) was added CDI (31 mg, 0.19 mmol) at ambient temperature in one portion. After stirring two hours, morpholine (17 mg, 0.19 mmol) was added in one portion. The reaction was stirred for 5 minutes before it was concentrated and directly purified by reverse-phase column chromatography, eluting with 5 to 55% acetonitrile/water to yield the final product as a yellowish foamy powder (37 mg, 91% yield). MS (apci) m/z=429.2 (M+H).

Workup

  1. stirringThe reaction was stirred for 5 minutes before it
  2. concentrationwas concentrated
  3. customdirectly purified by reverse-phase column chromatography
  4. washeluting with 5 to 55% acetonitrile/water

Sources & evidence

ORD record
ord-405ef8f36a5a4d43a05433ce7f9b01ba
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09127013B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes