Fused Mesoionic Heterocycles Analogues of Heptafulvene: Synthesis of 1, 3, 4-Thiadiazolo[3, 2-a]Pyridylium-2-Methylides

References

• Grashey , R. and Baumann , M. 1969 . Angew. Chem. Int. Ed. , 8 : 133
   Google Scholar
• Hanley , R. N. , Ollis , W. D. and Ramsden , C. A. 1976 . J. Chem. Soc Chem. Commun. , : 307 J. Chem. Soc. Perkin Trans I, 1979, 744
   Google Scholar
• Araki , S. , Mizaya , J. and Butsugan , Y. 1984 . Chem. Lett. , : 1045 J. Chem. Soc. Perkin Trans I, 1985, 2439
   Google Scholar
• Grashey , R. , Baumann , M. and Hamprecht , R. 1970 . Tetrahedron Lett. , : 5083
   Google Scholar
• Alajarín , M. and Molina , P. 1980 . Tetrahedron Lett. , : 4025 P. Molina, M. Alajarín, A. Arques, R. Benzal;, J. Chem. Soc. Perkin Trans I, 1982, 351
   Google Scholar
• Arques , A. , Hernandez , H. , Molina , P. and Vilaplana , M. J. 1981 . Synthesis , : 910
   Google Scholar