Chemoselective Dithioacetalization of Carbonyl Compounds Using Magnesium Hydrogensulfate as Efficient Heterogeneous Catalyst
β Scribed by Shaterian, Hamid Reza; Hosseinian, Asghar; Ghashang, Majid; Khorami, Fahimeh
- Book ID
- 127280401
- Publisher
- Taylor and Francis Group
- Year
- 2008
- Tongue
- English
- Weight
- 812 KB
- Volume
- 183
- Category
- Article
- ISSN
- 1042-6507
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## Abstract A oneβpot and efficient threeβcomponent condensation of benzaldehyde derivatives, enolizable ketones or ketoesters, acetyl chloride, and acetonitrile or benzonitrile under ambient conditions in the presence of zinc hydrogensulfate for the synthesis of __Ξ²__βamido carbonyl compounds is d
Various types of carbonyl compound can be efficiently and chemoselectively converted to their corresponding dithioacetals in the presence of catalytic amounts of lithium triflate under solventfree conditions. Due to the neutrality of the reaction medium, this method is especially useful lbr acid sen