Trimethylsilyl isocyanate → 4-{3-[1-(2,6-Dichloro-3-fluorophenyl)ethyl]-1H-pyrrolo[2,3-b]pyridin-5-yl}-3,6-dihydro-2H-pyridine-1-carboxamide

HRID 2046923Notes

Reaction equation

HRID 2046923 reaction equation
[Cl:1][C:2]1[C:7]([F:8])=[CH:6][CH:5]=[C:4]([Cl:9])[C:3]=1[CH:10]([C:12]1[C:20]2[C:15](=[N:16][CH:17]=[C:18]([C:21]3[CH2:22][CH2:23][NH:24][CH2:25][CH:26]=3)[CH:19]=2)[NH:14][CH:13]=1)[CH3:11].C[Si]([N:31]=[C:32]=[O:33])(C)C.CCN(C(C)C)C(C)C>CN(C=O)C>[Cl:1][C:2]1[C:7]([F:8])=[CH:6][CH:5]=[C:4]([Cl:9])[C:3]=1[CH:10]([C:12]1[C:20]2[C:15](=[N:16][CH:17]=[C:18]([C:21]3[CH2:22][CH2:23][N:24]([C:32]([NH2:31])=[O:33])[CH2:25][CH:26]=3)[CH:19]=2)[NH:14][CH:13]=1)[CH3:11]

Participants

5

Reactant 3

HCID 70696Trimethylsilyl isocyanateHCID 81531DiisopropylethylamineHCID 673640813-[1-(2,6-Dichloro-3-fluorophenyl)-ethyl]-5-(1,2,3,6-tetrahydropyridin-4-yl)-1H-pyrrolo[2,3-b]pyridine

Product 1

HCID 674021664-{3-[1-(2,6-Dichloro-3-fluorophenyl)ethyl]-1H-pyrrolo[2,3-b]pyridin-5-yl}-3,6-dihydro-2H-pyridine-1-carboxamide

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A mixture of 3-[1-(2,6-dichloro-3-fluorophenyl)-ethyl]-5-(1,2,3,6-tetrahydropyridin-4-yl)-1H-pyrrolo[2,3-b]pyridine (12.0 mg, 0.0307 mmol), trimethylsilyl isocyanate (8.32 μL, 0.0615 mmol), DIPEA (26.8 μL, 0.154 mmol) and DMF (0.5 mL) was stirred at rt for 20 min. The solution was concentrated in vacuo, redissolved in MeOH (0.5 mL) and purified via HPLC. The fractions containing the pure product were concentrated in vacuo to afford the title compound as a white solid. 1H NMR (400 MHz, CD3OD): δ=1.87 (d, J=7.1 Hz, 3 H), 2.28-2.51 (m, 2 H), 3.60 (t, J=5.8 Hz, 2 H), 4.02 (q, J=2.5 Hz, 2 H), 5.26 (q, J=7.1 Hz, 1 H), 5.88-5.94 (m, 1 H), 7.18 (t, J=8.6 Hz, 1 H), 7.29 (d, J=2.0 Hz, 1 H), 7.32-7.55 (m, 2 H), 8.23 (br. s., 1 H). MS (ES+): m/z 433.02 (100) [MH+]. HPLC: tR=3.15 min (ZQ3, polar—5 min).

Workup

  1. concentrationThe solution was concentrated in vacuo
  2. dissolutionredissolved in MeOH (0.5 mL)
  3. custompurified via HPLC
  4. additionThe fractions containing the pure product
  5. concentrationwere concentrated in vacuo

Sources & evidence

ORD record
ord-988fe362d6c94d88ac9d8688a56c68b7
Source dataset
uspto-grants-2013_11
Patent number
US08592448B2

Reaction notes

Loading…