引用本文:
Li Ping ZHANG, Yi Qun LI, Mei Yun ZHOU. Efficient and Eco-friendly Process for the Synthesis of Bi(indolyl)methanes Catalyzed by Sodium Hydrogensulfate Monohydrate in Ionic Liquid n-Butylpyridinium Tetrafluoroborate[J]. Chinese Chemical Letters,
2006, 17(6): 723-726.
Citation: Li Ping ZHANG, Yi Qun LI, Mei Yun ZHOU. Efficient and Eco-friendly Process for the Synthesis of Bi(indolyl)methanes Catalyzed by Sodium Hydrogensulfate Monohydrate in Ionic Liquid n-Butylpyridinium Tetrafluoroborate[J]. Chinese Chemical Letters, 2006, 17(6): 723-726.
Citation: Li Ping ZHANG, Yi Qun LI, Mei Yun ZHOU. Efficient and Eco-friendly Process for the Synthesis of Bi(indolyl)methanes Catalyzed by Sodium Hydrogensulfate Monohydrate in Ionic Liquid n-Butylpyridinium Tetrafluoroborate[J]. Chinese Chemical Letters, 2006, 17(6): 723-726.
Efficient and Eco-friendly Process for the Synthesis of Bi(indolyl)methanes Catalyzed by Sodium Hydrogensulfate Monohydrate in Ionic Liquid n-Butylpyridinium Tetrafluoroborate
摘要:
Efficient electrophilic substitution reaction of indoles with various aromatic aldehydes were carried out with a catalytic amount of sodium hydrogensulfate monohydrate (NaHSO4·H2O) in ionic liquid n-butylpyridinium tetrafluoroborate ([Bpy]BF4) to afford the corresponding bi(indolyl)methanes in excellent yields. The notable advantages of this protocol in terms of low cost of catalyst and ionic liquid, mild conditions, simple operation, short reaction time, high yields and recycling of the ionic liquid.
English
Efficient and Eco-friendly Process for the Synthesis of Bi(indolyl)methanes Catalyzed by Sodium Hydrogensulfate Monohydrate in Ionic Liquid n-Butylpyridinium Tetrafluoroborate
Abstract:
Efficient electrophilic substitution reaction of indoles with various aromatic aldehydes were carried out with a catalytic amount of sodium hydrogensulfate monohydrate (NaHSO4·H2O) in ionic liquid n-butylpyridinium tetrafluoroborate ([Bpy]BF4) to afford the corresponding bi(indolyl)methanes in excellent yields. The notable advantages of this protocol in terms of low cost of catalyst and ionic liquid, mild conditions, simple operation, short reaction time, high yields and recycling of the ionic liquid.
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Key words:
- Bi(indolyl)methane
- / ionic liquid
- / sodium hydrogen sulfate
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