Acryloyl chloride → N-{5-[(5-Chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)amino]-4-methoxy-2-[1-methyl-3,6-dihydro-2H-pyridin-4-yl]phenyl}prop-2-enamide

HRID 1842620Notes

Reaction equation

HRID 1842620 reaction equation
[C:1](Cl)(=[O:4])[CH:2]=[CH2:3].[Cl:6][C:7]1[C:8]([C:30]2[CH:31]=[N:32][N:33]3[CH:38]=[CH:37][CH:36]=[CH:35][C:34]=23)=[N:9][C:10]([NH:13][C:14]2[CH:15]=[C:16]([NH2:29])[C:17]([C:22]3[CH2:23][CH2:24][N:25]([CH3:28])[CH2:26][CH:27]=3)=[CH:18][C:19]=2[O:20][CH3:21])=[N:11][CH:12]=1.CCN(C(C)C)C(C)C>C(Cl)Cl>[Cl:6][C:7]1[C:8]([C:30]2[CH:31]=[N:32][N:33]3[CH:38]=[CH:37][CH:36]=[CH:35][C:34]=23)=[N:9][C:10]([NH:13][C:14]2[C:19]([O:20][CH3:21])=[CH:18][C:17]([C:22]3[CH2:23][CH2:24][N:25]([CH3:28])[CH2:26][CH:27]=3)=[C:16]([NH:29][C:1](=[O:4])[CH:2]=[CH2:3])[CH:15]=2)=[N:11][CH:12]=1

Participants

5

Reactant 3

HCID 13140Acryloyl chlorideHCID 81531DiisopropylethylamineHCID 86677241HCID 86677241, compound2×

Product 1

HCID 86677240N-{5-[(5-Chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)amino]-4-methoxy-2-[1-methyl-3,6-dihydro-2H-pyridin-4-yl]phenyl}prop-2-enamideYield 72.7%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

A solution of acryloyl chloride (0.026 mL, 0.32 mmol) in CH2Cl2 (1 mL) was added dropwise to a mixture of N′-(5-chloro-4-pyrazolo[1,5-a]pyridin-3-ylpyrimidin-2-yl)-4-methoxy-6-(1-methyl-3,6-dihydro-2H-pyridin-4-yl)benzene-1,3-diamine (Intermediate 55, 150 mg, 0.32 mmol) and DIPEA (0.062 mL, 0.36 mmol) in CH2Cl2 (5 mL), which was cooled in an ice/water bath. The mixture was stirred for 3 h and then washed with brine, dried (Na2SO4) and concentrated in vacuo. Purification by FCC, eluting with 2.5% 7N methanolic ammonia in CH2Cl2 gave the title compound (120 mg, 72%) as a yellow foam; 1H NMR: 2.28 (3H, s), 2.38 (2H, s), 2.54 (2H, t), 2.98 (2H, d), 3.81 (3H, s), 5.62-5.73 (2H, m), 6.14 (1H, dd), 6.43 (1H, dd), 6.88 (1H, s), 7.12 (1H, dt), 7.39-7.47 (1H, m), 7.83 (1H, s), 8.41-8.50 (2H, m), 8.63 (1H, s), 8.85 (1H, d), 8.95 (1H, s), 9.36 (1H, s); m/z: ES+ MH+ 516.25.

Workup

  1. temperaturewas cooled in an ice/water bath
  2. washwashed with brine
  3. dry with materialdried (Na2SO4)
  4. concentrationconcentrated in vacuo
  5. customPurification by FCC
  6. washeluting with 2.5% 7N methanolic ammonia in CH2Cl2

Sources & evidence

ORD record
ord-569c9c1c87864e66a160761865dde7eb
Source dataset
uspto-grants-2015_02
Patent number
US08946235B2

Reaction notes

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