Potassium Carbonate → HCID 15341802, compound
Reaction equation
[CH:1]1([CH2:4][C:5]2[C:6]([OH:16])=[C:7]([CH:12]=[CH:13][C:14]=2[OH:15])[C:8]([NH:10][CH3:11])=[O:9])[CH2:3][CH2:2]1.I[CH2:18][CH2:19][CH2:20][O:21][C:22]1[CH:35]=[CH:34][C:25]2[CH2:26][CH2:27][CH:28]([C:30]([O:32][CH3:33])=[O:31])[O:29][C:24]=2[C:23]=1[CH2:36][CH:37]=[CH2:38].C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C>[CH:1]1([CH2:4][C:5]2[C:6]([OH:16])=[C:7]([C:8]([NH:10][CH3:11])=[O:9])[CH:12]=[CH:13][C:14]=2[O:15][CH2:18][CH2:19][CH2:20][O:21][C:22]2[CH:35]=[CH:34][C:25]3[CH2:26][CH2:27][CH:28]([C:30]([O:32][CH3:33])=[O:31])[O:29][C:24]=3[C:23]=2[CH2:36][CH2:37][CH3:38])[CH2:2][CH2:3]1Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
The compound of Example 16 (50 mg, 0.226 mmol), methyl 3,4-dihydro-7-(3-iodopropoxy)-8-(2-propenyl)-2H-1-benzopyran-2carboxylate (95 mg, 0.226 mmol), and potassium carbonate (78 mg, 0.565 mmol) were added to 10 ml of DMF, and the reaction mixture was stirred at room temperature overnight. The reaction mixture was washed with water and extracted with ethyl acetate then dried over magnesium sulfate and concentrated in vacuo to give the crude product. Chromatography of the crude product on silica gel using 15% ethyl acetate/85% hexane as eluant provided the product.
Workup
- washThe reaction mixture was washed with water
- extractionextracted with ethyl acetate
- dry with materialthen dried over magnesium sulfate
- concentrationconcentrated in vacuo
- customto give the crude product
Sources & evidence
- ORD record
- ord-1da77d5e0f484c2fb2e51d8b4cbc9b5e
- Source dataset
- uspto-grants-1992_06
- Patent number
- US05124350
Reaction notes
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