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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 26, 1996 - Issue 3
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Original Articles

Synthesis of 1-Tosyl-4,6-dihydrothieno[3,4-d]pyrazole 5,5-Dioxides as Precursors to Pyrazole Analogue of o-Quinodimethane

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Pages 569-576 | Received 08 May 1995, Published online: 21 Aug 2006

References

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  • Ando , K. and Takayama , H. 1994 . Heterocycles , 37 : 1417
  • Tome , A. C. , O'Neil , P. M. , Storr , R. C. and Cavaleiro , J. A. S. 1993 . Synlett. , : 397
  • Chou , T. S. , Chen , H. C. and Tsai , C. Y. 1994 . J. Org. Chem. , 59 : 2241
  • Chou , T. S. and Chang , R. C. 1993 . J. Org. Chem. , 58 : 493
  • Chaloner , L. M. , Crew , A. P.A. , O'Neil , P. M. and Storr , R. C. 1992 . Tetrahedron , 48 : 8101
  • Tso , H. H. , Tsay , H. and Li , J. H. Synth. Commun. , in press. We have recently reported a new route to the 3-substituted 2-methoxycarbonyl-4,6-dihydrothieno[3,4-b]thiophene 5,5-dioxide by use of the 3-(phenylthio)-4-acyl-3-sulfolene as starting material
  • Mitkdou , S. and Stephanidou-Stephanatou , J. 1990 . Tetrahedron Lett. , 31 : 5197

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