Sodium Bicarbonate → 1-{[3,4-Di(t-butyldimethylsilyloxymethyl)cyclopent-1-en-1-yl]methyl}-5-ethyl-6-phenylthio-2,4-pyrimidinedione

HRID 581872

Reaction equation

HRID 581872 reaction equation
[CH2:1]([C:3]1[C:4](=[O:17])[NH:5][C:6](=[O:16])[NH:7][C:8]=1[S:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[CH3:2].[Si:18]([O:25][CH2:26][CH:27]1[CH:31]([CH2:32][O:33][Si:34]([C:37]([CH3:40])([CH3:39])[CH3:38])([CH3:36])[CH3:35])[CH2:30][C:29]([CH2:41]Br)=[CH:28]1)([C:21]([CH3:24])([CH3:23])[CH3:22])([CH3:20])[CH3:19].C(=O)(O)[O-].[Na+]>CN(C)C=O>[Si:18]([O:25][CH2:26][CH:27]1[CH:31]([CH2:32][O:33][Si:34]([C:37]([CH3:40])([CH3:39])[CH3:38])([CH3:35])[CH3:36])[CH2:30][C:29]([CH2:41][N:7]2[C:8]([S:9][C:10]3[CH:11]=[CH:12][CH:13]=[CH:14][CH:15]=3)=[C:3]([CH2:1][CH3:2])[C:4](=[O:17])[NH:5][C:6]2=[O:16])=[CH:28]1)([C:21]([CH3:24])([CH3:23])[CH3:22])([CH3:20])[CH3:19]

Participants

5

Reactant 3

HCID 516892Sodium BicarbonateHCID 105866375-Ethyl-6-phenylthio-2,4-pyrimidinedioneHCID 54350482[3,4-Di(t-butyldimethylsilyloxymethyl)cyclopent-1-en-1-yl]methyl bromide

Product 1

HCID 699766441-{[3,4-Di(t-butyldimethylsilyloxymethyl)cyclopent-1-en-1-yl]methyl}-5-ethyl-6-phenylthio-2,4-pyrimidinedione

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent2×

Procedure

A mixture of 5-ethyl-6-phenylthio-2,4-pyrimidinedione (0.16 g, 0.66 mmol) and [3,4-di(t-butyldimethylsilyloxymethyl)cyclopent-1-en-1-yl]methyl bromide (0.30 g, 0.66 mmol) in dimethylformamide (10 ml) were heated at 50° C. for overnight in the presence of sodium bicarbonate (66 mg, 0.79 mmol). After the concentration of dimethylformamide, 1-{[3,4-di(t-butyldimethylsilyloxymethyl)cyclopent-1-en-1-yl]methyl}-5-ethyl-6-phenylthio-2,4-pyrimidinedione was obtained by the separation of the column chromatography. And then, this compound in THF (10 ml) was reacted with n-tetrabutylammonium fluoride at room temperature for 1 hr. After the concentration of THF, the residue was separated by column chromatography to give a desirable product (48 mg).

Sources & evidence

ORD record
ord-6f843d2e17714f198a85b4db06a30bbc
Source dataset
uspto-grants-1999_07
Patent number
US05922727

Linked notes

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