Imidazolium-based phosphinite ionic liquid as reusable catalyst and solvent for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)- (thio)ones
β Scribed by Hassan Valizadeh; Abbas Shockravi
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 86 KB
- Volume
- 20
- Category
- Article
- ISSN
- 1042-7163
- DOI
- 10.1002/hc.20549
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β¦ Synopsis
A mild and efficient procedure for the synthesis of 3,4-dihydropyrimidin-2(1H)-(thio)ones in phosphinite ionic liquid is described. This ionic liquid plays a dual role as both the reaction media and also a catalyst, which can be easily recovered and reused in several runs.
π SIMILAR VOLUMES
## Abstract An efficient solventβfree method for the synthesis of various 3,4βdihydropyrimidinβ2(1__H__)βones using TiO~2~ as a recyclable heterogeneous catalyst is described. Compared to known methods, satisfactory results are obtained with excellent yields, short reaction times, and simplicity in