Potassium Carbonate → HCID 178451289, compound

HRID 1868926Notes

Reaction equation

HRID 1868926 reaction equation
Br[C:2]1[CH:11]=[C:10]2[C:5]([C:6](=[O:26])[C:7]([C:15]([NH:17][CH2:18][C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])=[O:16])=[C:8]([OH:14])[C:9]2([CH3:13])[CH3:12])=[CH:4][CH:3]=1.B1(/[CH:36]=[CH:37]/[C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=2)OC(C)(C)C(C)(C)O1.C(=O)([O-])[O-].[K+].[K+]>O1CCOCC1.CCOC(C)=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>[OH:14][C:8]1[C:9]([CH3:12])([CH3:13])[C:10]2[C:5]([C:6](=[O:26])[C:7]=1[C:15]([NH:17][CH2:18][C:19]([O:21][C:22]([CH3:23])([CH3:25])[CH3:24])=[O:20])=[O:16])=[CH:4][CH:3]=[C:2](/[CH:36]=[CH:37]/[C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)[CH:11]=2

Participants

7

Reactant 3

HCID 11430Potassium CarbonateHCID 57084134,4,5,5-tetramethyl-2-((E)-2-phenylethenyl)-1,3,2-dioxaborolaneHCID 178451288HCID 178451288, compound

Product 1

HCID 178451289HCID 178451289, compound

Reagents, catalysts & solvents 3

HCID 178418397HCID 178418397, compoundCatalystHCID 8857Ethyl AcetateSolventHCID 312751,4-DioxaneSolvent

Conditions

Temperature
80 °C

Procedure

Tert-butyl 2-(7-bromo-2-hydroxy-1,1-dimethyl-4-oxo-1,4-dihydronaphthalene-3-carboxamido)acetate (360 mg, 848 μmol, Example 53A-E) was dissolved in 1,4-dioxane (8485 μL) and then beta-styrylboronic acid pinacol ester (293 mg, 1273 mmol), potassium carbonate (2 M in water, 2121 μL, 4242 μmol) and tetrakis(triphenylphosphine)palladium (98.0 mg, 84.8 μmol) were added. The reaction was stirred at 80° C. for 4 hours. The reaction mixture was diluted with 100 mL of EtOAc, washed 2 times with 50 mL of sodium bicarbonate (saturated, aqueous), separated, dried over sodium sulfate, and concentrated to give crude product. The title compound was obtained by flash chromatography.

Workup

  1. washwashed 2 times with 50 mL of sodium bicarbonate (saturated, aqueous)
  2. customseparated
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated
  5. customto give crude product

Sources & evidence

ORD record
ord-69a8b86921284541a045c7b8fad05d2a
Source dataset
uspto-grants-2009_12
Patent number
US07635715B2

Reaction notes

Loading…