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ChemicalBook CAS DataBase List 1-(3,4-METHYLENEDIOXY-PHENYL)-4,4-DIMETHYL-PENT-1-EN-3-ONE

1-(3,4-METHYLENEDIOXY-PHENYL)-4,4-DIMETHYL-PENT-1-EN-3-ONE synthesis

3synthesis methods
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Yield: 88%

Reaction Conditions:

with sodium hydroxide in ethanol at 40; for 1 h;

Steps:

1.1
2 g NaOH solid was dissolved in 100mL ethanol, 0.1 mol of piperonal and 0.13 mol of pinacolone were added, and reacted at 40°C for 1 h. Some of the solvent was removed by steaming, frozen, filtered and dried to obtain pale yellow solid 2,2-dimethyl5-(3,4-methylenedioxy)-4-ene-3-pentanone,Yield 88%.

References:

HUNAN UNIVERSITY;HU, AIXI;WU, ZHILIN;YE, JIAO;DING, NA CN104530035, 2016, B Location in patent:Paragraph 0024; 0026