Piperidine → 2-((R)-2-((4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)pyrrolidine-1-carbonyl)-4-ethoxy-4-methylpent-2-enenitrile

HRID 1853610Notes

Reaction equation

HRID 1853610 reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH2:27][C@H:28]3[CH2:32][CH2:31][CH2:30][N:29]3[C:33](=[O:37])[CH2:34][C:35]#[N:36])[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:23]=[CH:22][CH:21]=[C:20]([F:24])[C:19]=4[F:25])=[CH:13][C:12]=3[F:26])[C:3]=12.[CH2:38]([O:40][C:41]([CH3:45])([CH3:44])[CH:42]=O)[CH3:39].N1CCCCC1>CCO>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH2:27][C@H:28]3[CH2:32][CH2:31][CH2:30][N:29]3[C:33]([C:34](=[CH:42][C:41]([O:40][CH2:38][CH3:39])([CH3:45])[CH3:44])[C:35]#[N:36])=[O:37])[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:23]=[CH:22][CH:21]=[C:20]([F:24])[C:19]=4[F:25])=[CH:13][C:12]=3[F:26])[C:3]=12

Participants

5

Reactant 3

HCID 8082PiperidineHCID 147678152-Ethoxy-2-methylpropanalHCID 867145293-((R)-2-((4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)pyrrolidin-1-yl)-3-oxopropanenitrile

Product 1

HCID 900013512-((R)-2-((4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)pyrrolidine-1-carbonyl)-4-ethoxy-4-methylpent-2-enenitrileYield 12.4%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

A solution of 3-((R)-2-((4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)pyrrolidin-1-yl)-3-oxopropanenitrile (202.8 mg, 0.40 mmol, 1.0 equiv), 2-ethoxy-2-methylpropanal (232 mg, 2.00 mmol, 5.0 equiv), piperidine (68 mg, 0.80 mmol, 2.0 equiv) in EtOH (20 mL) was stirred at room temperature overnight. The volatile phase was removed off under reduced pressure. The residue was purified on Prep-HPLC. Conditions: (1#-Pre-HPLC-001 (SHIMADZU)): Column, SunFire Prep C18, 19*150 mm 5 um; mobile phase, water in 0.05% TFA and CH3CN (40% CH3CN up to 100% in 20 min); Detector, 254 nm. This resulted in 30 mg (10.43%) of the title compound as a white solid. MS (ESI, pos. ion) m/z: 606 (M-TFA+1)

Workup

  1. customThe volatile phase was removed off under reduced pressure
  2. customThe residue was purified on Prep-HPLC

Sources & evidence

ORD record
ord-4c0f30923c0b4f7c917318fc38ec86ab
Source dataset
uspto-grants-2015_02
Patent number
US08962635B2

Reaction notes

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