Diisopropylethylamine → Tert-butyl 4-(2-acetamido-1-(4-chlorophenyl)ethylcarbamoyl)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-4-ylcarbamate

HRID 423096Notes

Reaction equation

HRID 423096 reaction equation
F[P-](F)(F)(F)(F)F.N1(OC(N(C)C)=[N+](C)C)C2N=CC=CC=2N=N1.[C:25]([O:29][C:30]([NH:32][C:33]1([C:48]([OH:50])=O)[CH2:38][CH2:37][N:36]([C:39]2[C:40]3[CH:47]=[CH:46][NH:45][C:41]=3[N:42]=[CH:43][N:44]=2)[CH2:35][CH2:34]1)=[O:31])([CH3:28])([CH3:27])[CH3:26].C(N(C(C)C)C(C)C)C.[NH2:60][CH:61]([C:67]1[CH:72]=[CH:71][C:70]([Cl:73])=[CH:69][CH:68]=1)[CH2:62][NH:63][C:64](=[O:66])[CH3:65]>CN1C(=O)CCC1>[C:64]([NH:63][CH2:62][CH:61]([NH:60][C:48]([C:33]1([NH:32][C:30](=[O:31])[O:29][C:25]([CH3:27])([CH3:26])[CH3:28])[CH2:34][CH2:35][N:36]([C:39]2[C:40]3[CH:47]=[CH:46][NH:45][C:41]=3[N:42]=[CH:43][N:44]=2)[CH2:37][CH2:38]1)=[O:50])[C:67]1[CH:68]=[CH:69][C:70]([Cl:73])=[CH:71][CH:72]=1)(=[O:66])[CH3:65]

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 57750302N-[2-amino-2-(4-chlorophenyl)ethyl]acetamide2×HCID 577503944-((tert-Butoxycarbonyl)amino)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-4-carboxylic acid2×

Product 1

HCID 57750392Tert-butyl 4-(2-acetamido-1-(4-chlorophenyl)ethylcarbamoyl)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-4-ylcarbamateYield 81.7%

Reagents, catalysts & solvents 1

HCID 13387N-methyl-2-pyrrolidoneSolvent

Procedure

O-(7-Azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (89 mg, 0.23 mmol) was added in one portion to a stirred solution of 4-(tert-butoxycarbonylamino)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidine-4-carboxylic acid (Intermediate 1) (80 mg, 0.22 mmol) and N-ethyldiisopropylamine (0.046 mL, 0.27 mmol) in NMP (3 mL). The mixture was treated with N-(2-amino-2-(4-chlorophenyl)ethyl)acetamide (Intermediate 83) (52 mg, 0.24 mmol). The solution was stirred for 65 hours at room temperature. The mixture was partitioned between ethyl acetate and water. The organic layer was washed twice with water. The organic solution was concentrated under reduced pressure. The residue was purified by flash column chromatography on silica using gradient elution (1% methanol/DCM to 15% methanol/DCM). Product containing fractions were combined to give tert-butyl 4-(2-acetamido-1-(4-chlorophenyl)ethylcarbamoyl)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-4-ylcarbamate (100 mg, 81%) as colourless solid.

Workup

  1. customThe mixture was partitioned between ethyl acetate and water
  2. washThe organic layer was washed twice with water
  3. concentrationThe organic solution was concentrated under reduced pressure
  4. customThe residue was purified by flash column chromatography on silica using gradient elution (1% methanol/DCM to 15% methanol/DCM)
  5. additionProduct containing fractions

Sources & evidence

ORD record
ord-0f38c426c4a2451b9b7540025e164f2a
Source dataset
uspto-grants-2012_01
Patent number
US08101623B2

Reaction notes

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