cheminform abstract: acidic task specific ionic liquid catalyzed synthesis of dihydropyrimidinones

1
ChemInform 2010, 41, issue 38 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.cheminform.wiley-vch.de Pyrimidine derivatives R 0510 DOI: 10.1002/chin.201038171 Acidic Task Specific Ionic Liquid Catalyzed Synthesis of Dihydropyrimidinones. — The use of an acidic ionic liquid as catalyst in Biginelli reactions is studied. The solventless reactions are carried out under thermal conditions, microwave irradiation, and by simple grinding. However, best yields in comparably short reaction times are obtained with thermal heating. — (SINGH*, V.; KAUR, S.; RATTI, R.; KAD, G. L.; SINGH, J.; Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem. 49 (2010) 5, 611-616 ; Dep. Appl. Sci., PEC Univ. Technol., Chandigarh 160 012, India; Eng.) — H. Haber 38- 171

Upload: vasundhara-singh

Post on 11-Jun-2016

214 views

Category:

Documents


0 download

TRANSCRIPT

www.cheminform.wiley-vch.de

Pyrimidine derivativesR 0510 DOI: 10.1002/chin.201038171

Acidic Task Specific Ionic Liquid Catalyzed Synthesis of Dihydropyrimidinones. — The use of an acidic ionic liquid as catalyst in Biginelli reactions is studied. The solventless reactions are carried out under thermal conditions, microwave irradiation, and by simple grinding. However, best yields in comparably short reaction times are obtained with thermal heating. — (SINGH*, V.; KAUR, S.; RATTI, R.; KAD, G. L.; SINGH, J.; Indian J. Chem., Sect. B: Org. Chem. Incl. Med. Chem. 49 (2010) 5, 611-616 ; Dep. Appl. Sci., PEC Univ. Technol., Chandigarh 160 012, India; Eng.) — H. Haber

38- 171

ChemInform 2010, 41, issue 38 © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim