Ionic liquids as efficient catalysts for synthesis of phosphorylated dialkyl succinates containing phthalazin-1-one moieties

Iranian Journal of Catalysis

مقاله 2، دوره 4، شماره 2، شهریور 2014، صفحه 71-75   

نوع مقاله: Articles

نویسندگان

Ziba Tavakoli؛ Elnaz Ghasemi؛ Issa Yavari^*

Department of Chemistry, Islamic Azad University, Science and Research Branch, Ponak Tehran, Iran.

چکیده

Ionic liquids such as 1,3-dialkylimidazolium salts make excellent catalysts and solvents for synthesis of dialkyl 2-(dialkoxyphosphoryl)-3-(1-oxo-1-H-phthalazin-2-yl)succinates from 2H-phthalazin-1-one, dialkyl acetylenedicarboxylates, and trialkyl phosphites. Under similar conditions, triphenyl phosphite led to dialkyl 2-(diphenoxyphosphoryl)-3-(1-oxo-1-H-phthalazin-2-yl)succinates. The ionic liquid was readily recycled and can be reused four times without significant loss of activity or mass.

کلیدواژه‌ها

Phosphorylation؛ Organocatalysis؛ 2H-Phthalazin-1-one؛ Acetylenic ester؛ Ionic Liquid

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