Ultrasound-promoted regio and chemoselective synthesis of pyridazinones and phthalazinones catalyzed by ionic liquid [bmim]Br/AlCl3
β Scribed by Leila Zare; Nosrat Ollah Mahmoodi; Asieh Yahyazadeh; Mohammad Nikpassand
- Book ID
- 113940733
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 409 KB
- Volume
- 19
- Category
- Article
- ISSN
- 1350-4177
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## Abstract 4(3__H__)βQuinazolinones were synthesized in high yields by oneβpot threeβcomponent condensation of anthranilic acid, carboxylic acid and aniline in the presence of ionic liquid such as 1β__n__βbutylβ3βmethylimidazolium tetrafluoroborate (BMImBF~4~) as catalyst under solvent free and ne
A convenient and efficient method for the synthesis of pyrazolo [3,4-d]pyrimidin-4-ones via heterocyclization reaction of 5-amino-1H-pyrazole-4-carboxamides with triethyl orthoesters using two BrΓΈnsted-acidic ionic liquids, as efficient homogeneous catalysts under solvent-free conditions is describ