引用本文:
Khodabakhsh Niknam, Alireza Hasaninejad, Madihe Arman. Synthesis of some new bis-3,4-dihydropyrimidin-2(1H)-ones by using silica-supported tin chloride and titanium tetrachloride[J]. Chinese Chemical Letters,
2010, 21(4): 399-402.
doi:
10.1016/j.cclet.2009.12.008
Citation: Khodabakhsh Niknam, Alireza Hasaninejad, Madihe Arman. Synthesis of some new bis-3,4-dihydropyrimidin-2(1H)-ones by using silica-supported tin chloride and titanium tetrachloride[J]. Chinese Chemical Letters, 2010, 21(4): 399-402. doi: 10.1016/j.cclet.2009.12.008
Citation: Khodabakhsh Niknam, Alireza Hasaninejad, Madihe Arman. Synthesis of some new bis-3,4-dihydropyrimidin-2(1H)-ones by using silica-supported tin chloride and titanium tetrachloride[J]. Chinese Chemical Letters, 2010, 21(4): 399-402. doi: 10.1016/j.cclet.2009.12.008
Synthesis of some new bis-3,4-dihydropyrimidin-2(1H)-ones by using silica-supported tin chloride and titanium tetrachloride
摘要:
Silica-supported tin chloride and titanium tetrachloride were prepared by the reaction of tin chloride and titanium tetrachloride with activated silica gel in refluxing toluene.These solid acids have been employed as the catalysts for the synthesis of bisdihydropyrimidin-2(1H)-ones from aromatic dialdehydes,1,3-dicarbonyl compounds and urea at 90℃ under solvent-free conditions.
English
Synthesis of some new bis-3,4-dihydropyrimidin-2(1H)-ones by using silica-supported tin chloride and titanium tetrachloride
Abstract:
Silica-supported tin chloride and titanium tetrachloride were prepared by the reaction of tin chloride and titanium tetrachloride with activated silica gel in refluxing toluene.These solid acids have been employed as the catalysts for the synthesis of bisdihydropyrimidin-2(1H)-ones from aromatic dialdehydes,1,3-dicarbonyl compounds and urea at 90℃ under solvent-free conditions.
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