Triethylamine → (S)-tert-butyl 1-(2-(5-(2-(2-aminopyrimidin-5-yl)ethynyl)-2-fluorobenzamido)-4-(trifluoromethyl)phenyl)piperidin-3-yl(methyl)carbamate

HRID 1042650Notes

Reaction equation

HRID 1042650 reaction equation
[F:1][C:2]1[CH:35]=[CH:34][C:33](I)=[CH:32][C:3]=1[C:4]([NH:6][C:7]1[CH:12]=[C:11]([C:13]([F:16])([F:15])[F:14])[CH:10]=[CH:9][C:8]=1[N:17]1[CH2:22][CH2:21][CH2:20][C@H:19]([N:23]([CH3:31])[C:24](=[O:30])[O:25][C:26]([CH3:29])([CH3:28])[CH3:27])[CH2:18]1)=[O:5].[C:37]([C:39]1[CH:40]=[N:41][C:42]([NH2:45])=[N:43][CH:44]=1)#[CH:38].C(N(CC)CC)C>CC#N.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.[Cu]I>[NH2:45][C:42]1[N:43]=[CH:44][C:39]([C:37]#[C:38][C:33]2[CH:34]=[CH:35][C:2]([F:1])=[C:3]([CH:32]=2)[C:4]([NH:6][C:7]2[CH:12]=[C:11]([C:13]([F:16])([F:15])[F:14])[CH:10]=[CH:9][C:8]=2[N:17]2[CH2:22][CH2:21][CH2:20][C@H:19]([N:23]([CH3:31])[C:24](=[O:30])[O:25][C:26]([CH3:29])([CH3:28])[CH3:27])[CH2:18]2)=[O:5])=[CH:40][N:41]=1

Participants

7

Reactant 3

HCID 8471TriethylamineHCID 161090215-Ethynylpyrimidin-2-amineHCID 16109029(S)-tert-butyl 1-(2-(2-fluoro-5-iodobenzamido)-4-(trifluoromethyl)phenyl)piperidin-3-yl(methyl)carbamate

Product 1

HCID 16109030(S)-tert-butyl 1-(2-(5-(2-(2-aminopyrimidin-5-yl)ethynyl)-2-fluorobenzamido)-4-(trifluoromethyl)phenyl)piperidin-3-yl(methyl)carbamate

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418476HCID 178418476, compoundCatalystHCID 6342AcetonitrileSolvent

Procedure

In a 25-mL RBF (S)-tert-butyl 1-(2-(2-fluoro-5-iodobenzamido)-4-(trifluoromethyl)phenyl)piperidin-3-yl(methyl)carbamate (0.496 g, 0.80 mmol), 5-ethynylpyrimidin-2-amine (0.19 g, 1.6 mmol), Bis(triphenylphosphine)palladium(II) dichloride (0.028 g, 0.040 mmol), and Copper(I) iodide (0.0076 g, 0.040 mmol) were taken up in CH3CN and Triethylamine (1.7 ml, 12 mmol) was added, and the tube was flushed with nitrogen. The tube was sealed and the reaction heated to 70 deg. C for 16 h. The reaction was cooled and transferred to a larger flask with EtOAc and concentrated in vacuo. The solid was adsorbed onto 4 g silica gel from 10% MeOH/MC purified by Isco {Redi-Sep® pre-packed silica gel column (80 g); eluent 0-75% EtOAc/hexanes over 30 min}. Product-containing fractions were concentrated to afford (S)-tert-butyl 1-(2-(5-(2-(2-aminopyrimidin-5-yl)ethynyl)-2-fluorobenzamido)-4-(trifluoromethyl)phenyl)piperidin-3-yl(methyl)carbamate as a orange foam. MS m/z=613 [M+H]+. Calc'd for C31H32F4N6O3: 612.

Workup

  1. customthe tube was flushed with nitrogen
  2. customThe tube was sealed
  3. temperaturethe reaction heated to 70 deg. C for 16 h
  4. temperatureThe reaction was cooled
  5. customtransferred to a larger flask with EtOAc
  6. concentrationconcentrated in vacuo
  7. custompurified by Isco {Redi-Sep® pre-packed silica gel column (80 g)
  8. concentrationProduct-containing fractions were concentrated

Sources & evidence

ORD record
ord-9859d3ae80e94334b3b05845c1616f44
Source dataset
uspto-grants-2013_10
Patent number
US08557996B2

Reaction notes

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