Potassium Carbonate → HCID 71468849, compound

HRID 1401088Notes

Reaction equation

HRID 1401088 reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3](/[CH:10]=[CH:11]/[C:12]([N:14]([CH:24]([CH3:26])[CH3:25])[NH:15][C:16](=[O:23])[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)=[O:13])=[CH:2]1.C([O-])([O-])=O.[K+].[K+].[C:33](Cl)([C:35]([CH3:38])([CH3:37])[CH3:36])=[O:34]>CN(C1C=CN=CC=1)C.CN(C=O)C.CCOC(C)=O>[CH:24]([N:14]([C:12](=[O:13])/[CH:11]=[CH:10]/[C:3]1[C:4]2[C:9](=[CH:8][CH:7]=[CH:6][CH:5]=2)[N:1]([C:33](=[O:34])[C:35]([CH3:38])([CH3:37])[CH3:36])[CH:2]=1)[NH:15][C:16](=[O:23])[C:17]1[CH:18]=[CH:19][CH:20]=[CH:21][CH:22]=1)([CH3:26])[CH3:25]

Participants

7

Reactant 3

HCID 11430Potassium CarbonateHCID 62493Pivaloyl chlorideHCID 71468594HCID 71468594, compound

Product 1

HCID 71468849HCID 71468849, compound

Reagents, catalysts & solvents 3

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a round bottom flask, (E)-N′-(3-(1H-indol-3-yl)acryloyl)-N′-isopropylbenzohydrazide (60 mg, 0.17 mmol, 1.0 equivalent), K2CO3 (71.6 mg, 0.51 mmol, 3.0 equivalent), and DMAP (cat, 0.12 equivalent) were introduced and dissolved in DMF, after which Piv-Cl (0.04 ml, 0.34 mmol, 2.0 equivalent) was introduced. After stirring at room temperature for 24 hr, the reaction mixture was diluted with EtOAc, washed with water and brine, dried with anhydrous MgSO4, filtered, and concentrated under reduced pressure. The residue was separated through silica gel chromatography (n-hexane:EtOAc:methanol=7:3:1) and dried so that solid form of (E)-N′-(3-(1-acetyl-1H-indol-3-yl)acryloyl)-N′-isopropylbenzohydrazide was obtained. (10.3 mg, 14%).

Workup

  1. washwashed with water and brine
  2. dry with materialdried with anhydrous MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe residue was separated through silica gel chromatography (n-hexane:EtOAc:methanol=7:3:1)
  6. dry with materialdried so that solid form of (E)-N′-(3-(1-acetyl-1H-indol-3-yl)acryloyl)-N′-isopropylbenzohydrazide
  7. customwas obtained

Sources & evidence

ORD record
ord-40158dcc28dc408c8a8f31486a688ec9
Source dataset
uspto-grants-2014_12
Patent number
US08906952B2

Reaction notes

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