Ammonia → N-(2,6-difluorophenyl)-5-[3-(2-{[4-{(3S)-3-(1-methylethyl)-4-[2-(methylsulfonyl)-ethyl]-1-piperazinyl}-2-(methyloxy)phenyl]amino}-4-pyrimidinyl)imidazo[1,2-a]pyridin-2-yl]-2-(methyloxy)benzamide

HRID 419676Notes

Reaction equation

HRID 419676 reaction equation
Cl[C:2]1[N:7]=[C:6]([C:8]2[N:12]3[CH:13]=[CH:14][CH:15]=[CH:16][C:11]3=[N:10][C:9]=2[C:17]2[CH:18]=[CH:19][C:20]([O:34][CH3:35])=[C:21]([CH:33]=2)[C:22]([NH:24][C:25]2[C:30]([F:31])=[CH:29][CH:28]=[CH:27][C:26]=2[F:32])=[O:23])[CH:5]=[CH:4][N:3]=1.[CH3:36][CH:37]([C@@H:39]1[N:44]([CH2:45][CH2:46][S:47]([CH3:50])(=[O:49])=[O:48])[CH2:43][CH2:42][N:41]([C:51]2[CH:57]=[CH:56][C:54]([NH2:55])=[C:53]([O:58][CH3:59])[CH:52]=2)[CH2:40]1)[CH3:38].Cl.N>C(O)C(F)(F)F.CO>[F:32][C:26]1[CH:27]=[CH:28][CH:29]=[C:30]([F:31])[C:25]=1[NH:24][C:22](=[O:23])[C:21]1[CH:33]=[C:17]([C:9]2[N:10]=[C:11]3[CH:16]=[CH:15][CH:14]=[CH:13][N:12]3[C:8]=2[C:6]2[CH:5]=[CH:4][N:3]=[C:2]([NH:55][C:54]3[CH:56]=[CH:57][C:51]([N:41]4[CH2:42][CH2:43][N:44]([CH2:45][CH2:46][S:47]([CH3:50])(=[O:49])=[O:48])[C@@H:39]([CH:37]([CH3:38])[CH3:36])[CH2:40]4)=[CH:52][C:53]=3[O:58][CH3:59])[N:7]=2)[CH:18]=[CH:19][C:20]=1[O:34][CH3:35]

Participants

7

Reactant 4

HCID 222AmmoniaHCID 313Hydrochloric AcidHCID 594525905-(3-(2-chloropyrimidin-4-yl)imidazo[1,2-a]pyridin-2-yl)-N-(2,6-difluorophenyl)-2-methoxybenzamideHCID 666500244-{(3S)-3-(1-methylethyl)-4-[2-(methylsulfonyl)ethyl)-1-piperazinyl]-2-(methyloxy)aniline

Product 1

HCID 59452920N-(2,6-difluorophenyl)-5-[3-(2-{[4-{(3S)-3-(1-methylethyl)-4-[2-(methylsulfonyl)-ethyl]-1-piperazinyl}-2-(methyloxy)phenyl]amino}-4-pyrimidinyl)imidazo[1,2-a]pyridin-2-yl]-2-(methyloxy)benzamideYield 48.3%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 64092,2,2-TrifluoroethanolSolvent

Conditions

Temperature
80 °C

Procedure

To 5-[3-(2-Chloro-4-pyrimidinyl)imidazo[1,2-a]pyridin-2-yl]-N-(2,6-difluorophenyl)-2-(methyloxy)benzamide (Intermediate Example 2) (0.241 g, 0.490 mmol) and 4-{(3S)-3-(1-methylethyl)-4-[2-(methylsulfonyl)ethyl]-1-piperazinyl}-2-(methyloxy)aniline (0.174 g, 0.489 mmol) were dissolved in 5 mL of trifluoroethanol with stirring in a pressure vessel. Hydrogen chloride (0.49 mL, 4N in dioxane, 2.0 mmol) was added, and the vessel was sealed. The reaction was heated to 80° C. for 3 days and subsequently cooled to rt. The reaction was poured into 10 mL of 7N NH3 in MeOH and concentrated onto silica gel. The compound was purified by flash chromatography, and the fractions containing the desired compound were concentrated in vacuo. The material was triturated with diethyl ether, filtered, and washed with diethyl ether. The solid was collected to afford the title compound (0.191 g, 0.236 mmol, 48%). 1H NMR (400 MHz, DMSO-d6) δ ppm 9.75 (s, 1H), 9.33 (br. s., 1H), 8.42 (s, 1H), 8.17 (d, J=5.1 Hz, 1H), 8.03-8.09 (m, 1H), 7.70-7.78 (m, 1H), 7.66 (d, J=9.0 Hz, 1H), 7.29-7.43 (m, 3H), 7.25 (d, J=8.8 Hz, 1H), 7.10-7.19 (m, 2H), 6.87-6.95 (m, 1H), 6.61 (s, 1H), 6.43-6.52 (m, 2H), 3.95 (s, 3H), 3.77 (s, 3H), 3.43-3.51 (m, 1H), 3.30-3.41 (m, 2H), 3.27 (s, 3H), 2.99 (s, 3H), 2.91-2.98 (m, 1H), 2.68-2.85 (m, 2H), 2.51-2.60 (m, 1H), 2.22-2.30 (m, 1H), 2.05-2.16 (m, 1H), 0.96 (d, J=6.8 Hz, 3H), 0.87 (d, J=7.0 Hz, 3H). MS (M+H, ES+) 811.

Workup

  1. customthe vessel was sealed
  2. temperaturesubsequently cooled to rt
  3. concentrationconcentrated onto silica gel
  4. customThe compound was purified by flash chromatography
  5. additionthe fractions containing the desired compound
  6. concentrationwere concentrated in vacuo
  7. customThe material was triturated with diethyl ether
  8. filtrationfiltered
  9. washwashed with diethyl ether
  10. customThe solid was collected

Sources & evidence

ORD record
ord-12d7eed28c1441e8aa083102da6b50e7
Source dataset
uspto-grants-2012_01
Patent number
US08093239B2

Reaction notes

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