Potassium Carbonate → 3-[1-(ethylsulfonyl)-4-piperidinyl]-5-(8-oxo-5,6,7,8-tetrahydro-2-naphthalenyl)-1H-indole-7-carboxamide

HRID 1806252Notes

Reaction equation

HRID 1806252 reaction equation
[CH2:1]([S:3]([N:6]1[CH2:11][CH2:10][CH:9]([C:12]2[C:20]3[C:15](=[C:16]([C:30]([NH2:32])=[O:31])[CH:17]=[C:18](B4OC(C)(C)C(C)(C)O4)[CH:19]=3)[NH:14][CH:13]=2)[CH2:8][CH2:7]1)(=[O:5])=[O:4])[CH3:2].Br[C:34]1[CH:43]=[C:42]2[C:37]([CH2:38][CH2:39][CH2:40][C:41]2=[O:44])=[CH:36][CH:35]=1.C(=O)([O-])[O-].[K+].[K+]>O1CCOCC1.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Pd]>[CH2:1]([S:3]([N:6]1[CH2:11][CH2:10][CH:9]([C:12]2[C:20]3[C:15](=[C:16]([C:30]([NH2:32])=[O:31])[CH:17]=[C:18]([C:34]4[CH:35]=[CH:36][C:37]5[CH2:38][CH2:39][CH2:40][C:41](=[O:44])[C:42]=5[CH:43]=4)[CH:19]=3)[NH:14][CH:13]=2)[CH2:8][CH2:7]1)(=[O:5])=[O:4])[CH3:2]

Participants

8

Reactant 3

HCID 11430Potassium CarbonateHCID 2527317-Bromo-1,2,3,4-tetrahydronaphthalen-1-oneHCID 598289293-[1-(ethylsulfonyl)-4-piperidinyl]-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-7-carboxamide

Product 1

HCID 667228493-[1-(ethylsulfonyl)-4-piperidinyl]-5-(8-oxo-5,6,7,8-tetrahydro-2-naphthalenyl)-1H-indole-7-carboxamide

Reagents, catalysts & solvents 4

HCID 23938PalladiumCatalystHCID 178418397HCID 178418397, compoundCatalystHCID 962WaterSolventHCID 312751,4-DioxaneSolvent

Conditions

Temperature
160 °C

Procedure

To a solution of 3-[1-(ethylsulfonyl)-4-piperidinyl]-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-7-carboxamide (200 mg, 0.434 mmol) in dioxane (3.0 mL) and H2O (1.0 mL) was added 7-bromo-3,4-dihydro-1(2H)-naphthalenone (292 mg, 1.30 mmol), and potassium carbonate (360 mg, 2.60 mmol) in a microwave tube. The reaction mixture was degassed for 5 min before the addition of tetrakis (triphenylphosphosphine) palladium (0) (50 mg, 0.043 mmol). The reaction was then heated in the microwave for 30 min at 160° C. The reaction was then filtered and the solid was dissolved in EtOAc and H2O. The organic layer was separated and concentrated. The crude residue was purified by Gilson Preparatory HPLC to yield 3-[1-(ethylsulfonyl)-4-piperidinyl]-5-(8-oxo-5,6,7,8-tetrahydro-2-naphthalenyl)-1H-indole-7-carboxamide.

Workup

  1. filtrationThe reaction was then filtered
  2. dissolutionthe solid was dissolved in EtOAc
  3. customThe organic layer was separated
  4. concentrationconcentrated
  5. customThe crude residue was purified by Gilson Preparatory HPLC

Sources & evidence

ORD record
ord-95ea6eb202cd4c7182b2d0b529ee5ad4
Source dataset
uspto-grants-2013_01
Patent number
US08354406B2

Reaction notes

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