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Hydrochloric Acid → 3-Amino-N-{4-[(3R,4S,5S)-3-amino-5-methyl-4-(1H-1,2,3-triazol-1-yl)piperidin-1-yl]pyridin-3-yl}-7-(4-methylpiperazin-1-yl)quinoline-2-carboxamide

HRID 924512
Notes
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Reaction equation

HRID 924512 reaction equation
C(OC([NH:8][C@H:9]1[C@@H:14]([N:15]2[CH:19]=[CH:18][N:17]=[N:16]2)[C@@H:13]([CH3:20])[CH2:12][N:11]([C:21]2[CH:26]=[CH:25][N:24]=[CH:23][C:22]=2[NH:27][C:28]([C:30]2[C:39]([NH:40]C(=O)OCC3C=CC=CC=3)=[CH:38][C:37]3[C:32](=[CH:33][C:34]([N:51]4[CH2:56][CH2:55][N:54]([CH3:57])[CH2:53][CH2:52]4)=[CH:35][CH:36]=3)[N:31]=2)=[O:29])[CH2:10]1)=O)(C)(C)C.Cl.O1CCOCC1>CO.C1COCC1.[Pd]>[NH2:40][C:39]1[C:30]([C:28]([NH:27][C:22]2[CH:23]=[N:24][CH:25]=[CH:26][C:21]=2[N:11]2[CH2:12][C@H:13]([CH3:20])[C@H:14]([N:15]3[CH:19]=[CH:18][N:17]=[N:16]3)[C@H:9]([NH2:8])[CH2:10]2)=[O:29])=[N:31][C:32]2[C:37]([CH:38]=1)=[CH:36][CH:35]=[C:34]([N:51]1[CH2:52][CH2:53][N:54]([CH3:57])[CH2:55][CH2:56]1)[CH:33]=2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 86726951Benzyl [2-[({4-[(3R,4S,5S)-3-[(tert-Butoxycarbonyl)amino]-5-methyl-4-(1H-1,2,3-triazol-1-yl)piperidin-1-yl]pyridin-3-yl}amino)carbonyl]-7-(4-methylpiperazin-1-yl)quinolin-3-yl]carbamate

Product 1

HCID 867269523-Amino-N-{4-[(3R,4S,5S)-3-amino-5-methyl-4-(1H-1,2,3-triazol-1-yl)piperidin-1-yl]pyridin-3-yl}-7-(4-methylpiperazin-1-yl)quinoline-2-carboxamide
Yield 55.4%

Reagents, catalysts & solvents 3

HCID 23938PalladiumCatalystHCID 887MethanolSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a solution of benzyl [2-[({4-[(3R,4S,5S)-3-[(tert-butoxycarbonyl)amino]-5-methyl-4-(1H-1,2,3-triazol-1-yl)piperidin-1-yl]pyridin-3-yl}amino)carbonyl]-7-(4-methylpiperazin-1-yl)quinolin-3-yl]carbamate (8.0 mg, 0.01 mmol) in MeOH (0.4 mL) and THF (0.4 mL), 10% Pd on carbon (4 mg) was added. The reaction mixture was deoxygenated under reduced pressure and hydrogen was introduced via a balloon. The reaction mixture was stirred at room temperature under hydrogen for 1 h. The mixture was filtered and concentrated under reduced pressure to give an intermediate. The intermediate was treated with 4.0 M HCl in dioxane (0.1 mL, 0.4 mmol) with stirring at room temperature for 30 min., then concentrated under reduced pressure. The residue was diluted with MeOH and NH4OH, filtered and purified by preparative LCMS (pH=10 method; XBridge™ preparative C18 5 μm OBD™ column, 30×10 mm, 60 mL/min., eluting with a gradient of MeCN and water with 0.1% NH4OH) to give the title compound as a yellow powder (3.0 mg, 54%). LCMS calc. for C28H36N11O (M+H)+: m/z=542.3. Found: 542.3.

Workup

  1. customThe reaction mixture was deoxygenated under reduced pressure and hydrogen
  2. additionwas introduced via a balloon
  3. filtrationThe mixture was filtered
  4. concentrationconcentrated under reduced pressure
  5. customto give an intermediate
  6. stirringwith stirring at room temperature for 30 min.
  7. concentrationconcentrated under reduced pressure
  8. additionThe residue was diluted with MeOH and NH4OH
  9. filtrationfiltered
  10. custompurified by preparative LCMS (pH=10 method
  11. washXBridge™ preparative C18 5 μm OBD™ column, 30×10 mm, 60 mL/min., eluting with a gradient of MeCN and water with 0.1% NH4OH)

Sources & evidence

ORD record
ord-20f2a5d5db7f4b26b7c29fe06f9cd4ee
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09278950B2

Reaction notes

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