引用本文:
Yuan Yuan Wang, Yan Nan Xu, Zhi Zhong Wang, Li Yi Dai. A new approach to the synthesis of diacetals (diketals) pentaerythritol catalyzed by SO3H-functionalized ionic liquids[J]. Chinese Chemical Letters,
2010, 21(5): 524-528.
doi:
10.1016/j.cclet.2009.12.014
Citation: Yuan Yuan Wang, Yan Nan Xu, Zhi Zhong Wang, Li Yi Dai. A new approach to the synthesis of diacetals (diketals) pentaerythritol catalyzed by SO3H-functionalized ionic liquids[J]. Chinese Chemical Letters, 2010, 21(5): 524-528. doi: 10.1016/j.cclet.2009.12.014
Citation: Yuan Yuan Wang, Yan Nan Xu, Zhi Zhong Wang, Li Yi Dai. A new approach to the synthesis of diacetals (diketals) pentaerythritol catalyzed by SO3H-functionalized ionic liquids[J]. Chinese Chemical Letters, 2010, 21(5): 524-528. doi: 10.1016/j.cclet.2009.12.014
A new approach to the synthesis of diacetals (diketals) pentaerythritol catalyzed by SO3H-functionalized ionic liquids
摘要:
In this article, an efficient, simple and environmentally friendly approach to the synthesis of diacetals (diketals) pentaerythritol using SO3H-functionalized ionic liquids (ILs) as catalysts was reported. The Ils show high catalytic activity and reusability with good to excellent yields of the desired products. Hammer method has been used to determine the acidity order of these ionic liquids and the results are consistent with the catalytic activities observed in acetalization reaction. Maximum product yield of 93% was observed on using [PSPy] [Otf]as catalyst and it can be reused at least 8 times without obvious activity loss.
English
A new approach to the synthesis of diacetals (diketals) pentaerythritol catalyzed by SO3H-functionalized ionic liquids
Abstract:
In this article, an efficient, simple and environmentally friendly approach to the synthesis of diacetals (diketals) pentaerythritol using SO3H-functionalized ionic liquids (ILs) as catalysts was reported. The Ils show high catalytic activity and reusability with good to excellent yields of the desired products. Hammer method has been used to determine the acidity order of these ionic liquids and the results are consistent with the catalytic activities observed in acetalization reaction. Maximum product yield of 93% was observed on using [PSPy] [Otf]as catalyst and it can be reused at least 8 times without obvious activity loss.
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