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Hydrochloric Acid → HCID 25064929, compound

HRID 40185
Notes
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Reaction equation

HRID 40185 reaction equation
[F:1][C:2]1[CH:11]=[C:10]([C:12]2[CH:13]=[CH:14][C:15]3[N:16]([C:18]([CH2:21][O:22][C:23]4[C:32]5[C:27](=[CH:28][C:29]([O:33][CH3:34])=[CH:30][CH:31]=5)[N:26]=[CH:25][CH:24]=4)=[N:19][N:20]=3)[N:17]=2)[CH:9]=[CH:8][C:3]=1[C:4](OC)=[O:5].O.[OH-].[Li+].Cl.[CH3:39][O:40][CH2:41][CH2:42][NH2:43].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.FC1C=C(C2C=CC3N(C(COC4C5C(=CC(OC)=CC=5)N=CC=4)=NN=3)N=2)C=CC=1C(O)=O>C1COCC1.O.CO.CN(C=O)C>[F:1][C:2]1[CH:11]=[C:10]([C:12]2[CH:13]=[CH:14][C:15]3[N:16]([C:18]([CH2:21][O:22][C:23]4[C:32]5[C:27](=[CH:28][C:29]([O:33][CH3:34])=[CH:30][CH:31]=5)[N:26]=[CH:25][CH:24]=4)=[N:19][N:20]=3)[N:17]=2)[CH:9]=[CH:8][C:3]=1[C:4]([NH:43][CH2:42][CH2:41][O:40][CH3:39])=[O:5]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

11

Reactant 6

HCID 313Hydrochloric AcidHCID 80182-MethoxyethylamineHCID 168937Lithium hydroxide, monohydrateHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67503070Methyl 2-fluoro-4-(3-((7-methoxyquinolin-4-yloxy)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)benzoate
HCID 67503418
2-Fluoro-4-(3-((7-methoxyquinolin-4-yloxy)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)benzoic acid

Product 1

HCID 25064929HCID 25064929, compound

Reagents, catalysts & solvents 4

HCID 887MethanolSolventHCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8028TetrahydrofuranSolvent

Conditions

Temperature
40 °C

Procedure

A mixture of methyl 2-fluoro-4-(3-((7-methoxyquinolin-4-yloxy)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)benzoate (0.488 g, 1.06 mmol) (prepared according to General Method A) and lithium hydroxide hydrate (0.223 g, 5.31 mmol) in THF (20 mL), water (5 mL) and MeOH (5 mL) was heated to 40° C. for 3 h. Brought to near neutral pH with 1M HCl. Concentrated. Azeotroped with MeCN (20 mL) and PhMe (20 mL). Used without further purification. A mixture of 2-methoxyethylamine (0.033 ml, 0.38 mmol), HATU (0.24 g, 0.62 mmol), Hunig'sBase (0.24 ml, 1.4 mmol), 2-fluoro-4-(3-((7-methoxyquinolin-4-yloxy)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)benzoic acid (0.153 g, 0.34 mmol) in DMF was allowed to stir at room temperature for 1 h. Concentrated. Purified on RPHPLC. Took fractions containing product and made basic with 9% sodium carbonate. The volatiles were removed in vacuo and the product was isolated by filtration. Dried under vacuum. MS m/z=503.2 [M+1]+. Calc'd for C26H23FN6O4: 502.5.

Workup

  1. concentrationConcentrated
  2. customAzeotroped with MeCN (20 mL) and PhMe (20 mL)
  3. customUsed without further purification
  4. concentrationConcentrated
  5. customPurified on RPHPLC
  6. additionTook fractions containing product
  7. customThe volatiles were removed in vacuo
  8. customthe product was isolated by filtration
  9. customDried under vacuum

Sources & evidence

ORD record
ord-9190a3d16cc9446ba6ef7c2389967146
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08524900B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes