References
- Mojtahedi , M. M. , Saidi , M. R. , Shirzi , J. S. and Bolourtchian , M. 2002 . Microwave promoted efficient synthesis of substituted uracils and thiouracils under solvent‐free conditions . Synth. Commun. , 32 : 851 – 855 .
- Lu , J. , Ma , H. R. and Li , W. H. 2000 . A novel one‐pot synthesis of 3,4‐dihydropyrimidine‐2(1H)‐ones by catalyzed ferric chloride hexahydrate . Chin. Org. Chem. , 20 ( 5 ) : 815 – 819 .
- Ma , Y. , Qian , C. T. , Wang , M. and Yang , J. 2000 . Lanthanide triflate catalyzed biginelli reaction one‐pot synthesis of dihydropyrimidinones under solvent‐free conditions . J. Org. Chem. , 65 : 3864 – 3868 . [PUBMED] [INFOTRIEVE] [CROSSREF]
- Naik , S. K. , Behera , R. K. and Nayak , A. 1982 . Studies on heterocyclic compounds: part III 4,6‐disubstituted 5,6‐dihydro‐2(1H) pyrimidinethiones . Ind. J. Chem. , B 21 : 1124 – 1125 .
- Kambe , S. , Salto and Kishi , H. 1979 . A one‐step synthesis of 4‐oxo‐2‐thioxopyrimidine derivatives by the ternary condensation of ethyl cyanoacetate, aldehydes, and thiourea . Synthesis , 4 : 287 – 289 . [CROSSREF]
- Mason , T. J. and Peters , D. 2002 . Practical Sonochemistry , 2nd Ed. London : Ellis Horwood .
- Luche , J. L. 1998 . Synthetic Organic Sonochemistry New York : Plenum Press .
- Li , J. T. , Yang , W. Z. , Wang , S. X. , Li , S. H. and Li , T. S. 2002 . Improved synthesis of chalcones under ultrasound irradiation . Ultrason. Sonochem. , 9 : 237 – 239 . [PUBMED] [INFOTRIEVE] [CSA] [CROSSREF]
- Li , J. T. , Han , J. F. , Yang , J. H. and Li , T. S. 2003 . An efficient synthesis of 3,4‐dihydropyrimidine‐2‐ones catalyzed by NH2SO3H under ultrasound irradiation . Ultrason. Sonochem. , 10 ( 3 ) : 119 – 122 . [PUBMED] [INFOTRIEVE] [CROSSREF]
- Wang , S. X. , Li , J. T. , Yang , W. Z. and Li , T. S. 2002 . Synthesis of ethyl α‐cyanocinnamates catalyzed by KF–Al2O3 under ultrasound irradiation . Ultrason. Sonochem. , 9 : 159 – 161 . [PUBMED] [INFOTRIEVE] [CROSSREF]
- Garcia Navio , J. L. , Lorente , A. and Soto , J. L. 1982 . Synthesis of heterocyclic compounds XXII. Preparation of 6‐aryl‐2‐thioxopyrimidines . Heterocycles , 19 : 305 – 311 .
- Lorente , A. and Aurrecoechea , L. M. 1994 . Synthetic and conformational studies on 5,6‐substituted dihydro‐2‐thiouracils . Heterocycles , 38 ( 5 ) : 1077 – 1087 .