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Trifluoroacetic acid → cis-3-(1H-indazol-5-ylamino)-5-(2-aminocyclohexylamino)pyrazine-2-carboxamide

HRID 332809
Notes
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Reaction equation

HRID 332809 reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][C:6]([NH:10][C:11]3[C:12]([C:18]([NH2:20])=[O:19])=[N:13][CH:14]=[C:15](Cl)[N:16]=3)=[CH:7][CH:8]=2)[CH:3]=[N:2]1.CCN(C(C)C)C(C)C.[C@@H:30]1([NH2:37])[CH2:35][CH2:34][CH2:33][CH2:32][C@@H:31]1[NH2:36].C(O)(C(F)(F)F)=O>CN1C(=O)CCC1.O>[NH:1]1[C:9]2[C:4](=[CH:5][C:6]([NH:10][C:11]3[C:12]([C:18]([NH2:20])=[O:19])=[N:13][CH:14]=[C:15]([NH:36][C@@H:31]4[CH2:32][CH2:33][CH2:34][CH2:35][C@@H:30]4[NH2:37])[N:16]=3)=[CH:7][CH:8]=2)[CH:3]=[N:2]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6422Trifluoroacetic acidHCID 81531DiisopropylethylamineHCID 3429171,2-Diaminocyclohexane, cis-HCID 866856023-(1H-indazol-5-ylamino)-5-chloropyrazine-2-carboxamide

Product 1

HCID 86685601cis-3-(1H-indazol-5-ylamino)-5-(2-aminocyclohexylamino)pyrazine-2-carboxamide

Reagents, catalysts & solvents 2

HCID 962
Water
Solvent
HCID 13387N-methyl-2-pyrrolidoneSolvent

Conditions

Temperature
150 °C

Procedure

To 3-(1H-indazol-5-ylamino)-5-chloropyrazine-2-carboxamide (˜100 mg) in ˜3 mL NMP was added 6 equivalents of DIEA and 20 equivalents of racemic cis-1,2-cyclohexanediamine. The mixture was heated at 150° C. in a sealed tube overnight. The reaction mixture was cooled, acidified with TFA, diluted with water and prepped via rpHPLC to give the title compound. MS found for C18H22N8O as (M+H)+ 367.2.

Workup

  1. temperatureThe reaction mixture was cooled

Sources & evidence

ORD record
ord-a19ccca8d35144f0804de074e685fe15
Source dataset
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08877760B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes