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Trifluoroacetic acid → (4-chloro-benzyl)-[6-(1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)-pyridazin-3-yl]-amine

HRID 1754712
Notes
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Reaction equation

HRID 1754712 reaction equation
C(OC([N:8]1[C:12]2=[N:13][CH:14]=[CH:15][CH:16]=[C:11]2[C:10]([CH2:17][C:18]2[N:19]=[N:20][C:21]([NH:24][CH2:25][C:26]3[CH:31]=[CH:30][C:29]([Cl:32])=[CH:28][CH:27]=3)=[CH:22][CH:23]=2)=[CH:9]1)=O)(C)(C)C.FC(F)(F)C(O)=O>ClCCl>[Cl:32][C:29]1[CH:30]=[CH:31][C:26]([CH2:25][NH:24][C:21]2[N:20]=[N:19][C:18]([CH2:17][C:10]3[C:11]4[C:12](=[N:13][CH:14]=[CH:15][CH:16]=4)[NH:8][CH:9]=3)=[CH:23][CH:22]=2)=[CH:27][CH:28]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 576192483-[6-(4-Chloro-benzylamino)-pyridazin-3-ylmethyl]-pyrrolo[2,3-b]pyridine-1-carboxylic acid tert-butyl ester

Product 1

HCID 57619452(4-chloro-benzyl)-[6-(1H-pyrrolo[2,3-b]pyridin-3-ylmethyl)-pyridazin-3-yl]-amine

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To 3-[6-(4-chloro-benzylamino)-pyridazin-3-ylmethyl]-pyrrolo[2,3-b]pyridine-1-carboxylic acid tert-butyl ester (523, 50.0 mg, 0.111 mmol) in dichloromethane (10.0 mL) was added trifluoroacetic acid (0.30 mL, 0.0039 mol). The reaction was stirred at room temperature overnight. The reaction was concentrated, poured into aqueous potassium carbonate and extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated and washed with ethyl acetate and hexane to give an off-white solid (P-0092, 7.3 mg, 19.0%). MS (ESI) [M+H+]+=350.1.

Workup

  1. concentrationThe reaction was concentrated
  2. additionpoured into aqueous potassium carbonate
  3. extractionextracted with ethyl acetate
  4. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated
  7. washwashed with ethyl acetate and hexane
  8. customto give an off-white solid (P-0092, 7.3 mg, 19.0%)

Sources & evidence

ORD record
ord-fc01e1c347034e73b414aa1558d10c45
Source dataset
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09169250B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes