Synthesis of 4-oxo-1,4-dihydro-6h-furo[3,4-c]pyrazole and 4-oxo-1,4,5,6-tetrahydropyrrolo[3,4-C]pyrazole Systems from Acyl Tetronic and Tetramic Acids

References

• Benary , E. 1910 . Chem. Ber. , 43 : 1065
   Google Scholar
• Aebi , A. , Daeniker , H. U. and Druey , J. 1963 . Pharm. Acta Helv. , 38 : 616
   Google Scholar
• Lacey , R. N. 1954 . J. Chem. Soc. , : 850
   Web of Science ®Google Scholar
• Filira , F. , Dibello , C. , Veronese , A. C. and D'Angeli , F. 1972 . J. Org. Chem. , 37 : 3265 references cited herein
   Google Scholar
• Westphal , G. 1969 . J. Prakt. Chem. , 311 : 379
   Google Scholar
• Gelin , S. , Deshayes , C. and Chabannet , M. 1979 . J. Heterocyclic Chem. , 16 : 1117
   Google Scholar
• Deshayes , C. , Chabannet , M. and Gelin , S. 1981 . J. Heterocyclic Chem. , 18 : 1057
   Google Scholar
• Mc Mullen , C. H. and Stirling , C. J. M. 1966 . J. Chem. Soc. (B) , : 1217
   Google Scholar
• Gelin , S. 1980 . Tetrahedron Letters , 21 : 4491
   Google Scholar
• Nolte , M. J. , Steyn , P. S. and Wessels , P. L. 1980 . J. Chem. Soc. Perkin trans 1 , : 1057
   Google Scholar
• Yamaguchi , T. , Saito , K. , Tsujimoto , T. and Yuki , H. 1976 . J. Heterocyclic Chem. , 13 : 533
   Web of Science ®Google Scholar
• Lee , V. J. , Branfman , A. R. , Herrin , T. R. and Rinehart , K. L. 1978 . J. Am. Chem. Soc. , 100 : 4225
   Google Scholar
• Gelin , S. and Galliaud , A. 1972 . C. R. Acad. Sci. Paris , 275 : 897
   Google Scholar