Benzylamine → HCID 59833796, compound

HRID 270717Notes

Reaction equation

HRID 270717 reaction equation
Cl[C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[C:7]([C:14]3[CH:15]=[C:16]([NH:21][C:22](=[O:33])[C:23]4[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[CH:24]=4)[CH:17]=[CH:18][C:19]=3[CH3:20])[C:8](=[O:13])[N:9]2[CH3:12])=[CH:4][N:3]=1.[CH2:34]([NH2:41])[C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1.[Cl-].C(C1C=CC=C(C(C)C)C=1[N+]1C=CN(C2C(C(C)C)=CC=CC=2C(C)C)C=1)(C)C>O1CCOCC1>[CH2:34]([NH:41][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[C:7]([C:14]3[CH:15]=[C:16]([NH:21][C:22](=[O:33])[C:23]4[CH:28]=[CH:27][CH:26]=[C:25]([C:29]([F:31])([F:30])[F:32])[CH:24]=4)[CH:17]=[CH:18][C:19]=3[CH3:20])[C:8](=[O:13])[N:9]2[CH3:12])=[CH:4][N:3]=1)[C:35]1[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1

Participants

5

Reactant 3

HCID 7504BenzylamineHCID 27349131,3-Bis(2,6-diisopropylphenyl)imidazolium chlorideHCID 59833848HCID 59833848, compound

Product 1

HCID 59833796HCID 59833796, compound

Reagents, catalysts & solvents 1

HCID 312751,4-DioxaneSolvent

Procedure

N-[3-(7-Chloro-1-methyl-2-oxo-1,2-dihydro-[1,6]naphthyridin-3-yl)-4-methyl-phenyl]-3-trifluoromethyl-benzamide (100 mg, 0.21 mmol) is mixed with benzylamine (35 mg, 0.32 mmol), Pd2(dba)2 (4.8 mg, 2.5%), 1,3-Bis(2,6-di-i-propylphenyl)imidazolium chloride (4.6 mg, 5%) and potassium tert-butanoxide (35.6 mg, 0.32 mmol) under an argon environment. 6 mL of anhydrous 1,4-dioxane is added and the reaction is continued at 100° C. for 14 hours. After cooling and removal of solvent under vacuum, the crude product is dissolved in DMSO and purified by reverse phase preparative HPLC to give the product N-[3-(7-Benzylamino-1-methyl-2-oxo-1,2-dihydro-[1,6]naphthyridin-3-yl)-4-methyl-phenyl]-3-trifluoromethyl-benzamide as pale solid. This product is dissolved into 10 mL of ethanol and 8 mg of 10% palladium carbon powder is added. The reaction is stirred at room temperature under a 50 psi hydrogen environment for 16 hours. After passing through a celite plug to remove the palladium carbon and removing the solvent, the crude product is dissolved in DMSO and purified by reverse phase preparative HPLC to give the final product as a white solid: 1H NMR 400 MHz (DMSO-d6) δ 10.42 (s, 1H), 8.35 (s, 1H), 8.31 (s, 1H), 8.26 (d, 1H, J=7.8 Hz), 7.96 (d, 1H, J=7.7 Hz), 7.78 (t, 1H, J=7.8 Hz), 7.69 (m, 2H), 7.61 (s, 1H), 7.24 (d, 1H, J=8.1 Hz), 6.53 (s, 2H), 6.29 (s, 1H), 3.49 (s, 3H), 2.12 (s, 3H); MS m/z 453.2 (M+1).

Workup

  1. temperatureAfter cooling
  2. customremoval of solvent under vacuum
  3. dissolutionthe crude product is dissolved in DMSO
  4. custompurified by reverse phase preparative HPLC

Sources & evidence

ORD record
ord-eca030e2c06741b396c65311759da871
Source dataset
uspto-grants-2008_11
Patent number
US07449582B2

Reaction notes

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