Acetonitrile → HCID 178491279, compound

HRID 2234594Notes

Reaction equation

HRID 2234594 reaction equation
Br[C:2]1[CH:3]=[C:4]2[C:10]([C:11]3[CH:12]=[CH:13][C:14]([OH:17])=[N:15][CH:16]=3)=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1.[CH3:18][O:19][C:20]1[CH:25]=[CH:24][C:23]([CH2:26][O:27][C:28]2[CH:33]=[CH:32][C:31](B(O)O)=[CH:30][C:29]=2[O:37][CH3:38])=[CH:22][CH:21]=1.C(#N)C.C(=O)([O-])[O-].[Na+].[Na+]>Cl[Pd-2](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.O>[CH3:38][O:37][C:29]1[CH:30]=[C:31]([C:2]2[CH:3]=[C:4]3[C:10]([C:11]4[CH:12]=[CH:13][C:14]([OH:17])=[N:15][CH:16]=4)=[CH:9][NH:8][C:5]3=[N:6][CH:7]=2)[CH:32]=[CH:33][C:28]=1[O:27][CH2:26][C:23]1[CH:22]=[CH:21][C:20]([O:19][CH3:18])=[CH:25][CH:24]=1

Participants

7

Reactant 4

HCID 6342AcetonitrileHCID 10340Sodium CarbonateHCID 670612274-(4-Methoxyphenylmethoxy)-3-methoxyphenylboronic acidHCID 178515884HCID 178515884, compound

Product 1

HCID 178491279HCID 178491279, compoundYield 46%

Reagents, catalysts & solvents 2

HCID 178418903HCID 178418903, compoundCatalystHCID 962WaterSolvent2×

Procedure

To the 5-(5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)-pyridin-2-ol, 4-(4-methoxyphenylmethoxy)-3-methoxyphenylboronic acid (1.3 equiv.), and 6 mol % of dichlorobis(triphenylphosphino)palladium (II) in a Smith process vial was added a 3:2:1 mixture of acetonitrile, water and a 2 M aqueous solution of sodium carbonate (0.10 M). The reaction was run in a Personal Chemistry® microwave reactor at 165° C. for 1200 s. Water was added and the mixture was extracted three times with ethyl acetate Purification on silica gel with a gradient or methanol/dichloromethane by flash chromatography afforded 5-{5-[3-methoxy-4-(4-methoxy-benzyloxy)-phenyl]-1H-pyrrolo[2,3-b]pyridin-3-yl}-pyridin-2-ol as a tan solid (46% yield). 1H NMR (DMSO-d6): δ 11.86 (broad s, 1H), 11.67 (broad s, 1H), 8.51 (d, J=2.5 Hz, 1H), 8.22 (s, 1H), 7.89 (dd, J=2.5, 9.5 Hz, 1H), 7.75 (d, J=2.5 Hz, 1H), 7.72 (s, 1H), 7.38 (d, J=8.5 Hz, 2H), 7.30 (d, J=2.0 Hz, 1H), 7.20 (dd, J=2.0, 8.5 Hz, 1H), 7.11 (d, J=8.0 Hz, 1H), 6.94 (d, J=8.5 Hz, 2H), 6.44 (d, J=9.5 Hz, 1H), 5.03 (s, 2H), 3.85 (s, 3H), 3.75 (s, 3H); HPLC/MS m/z: 454.1 [MH]+.

Workup

  1. extractionthe mixture was extracted three times
  2. customwith ethyl acetate Purification on silica gel with a gradient or methanol/dichloromethane by flash chromatography

Sources & evidence

ORD record
ord-6be73774350f4c82a685f52428fb8f3d
Source dataset
uspto-grants-2010_05
Patent number
US07709645B2

Reaction notes

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