A Facile One-Pot Synthesis of 4-Hydroxy-3-methoxycarbonyl-2-methyl-2H-1,2-benzothiazine 1,1-Dioxide, A Key Intermediate in the Synthesis of Oxicam Anti-Inflammatory Agents

References

• Lombardino , J. G. , Wiseman , E. H. and Chiaini , J. 1973 . J. Med. Chem. , 16 : 493
   PubMed Web of Science ®Google Scholar
• Zinnes , H. and Schwartz , S. J. U.S. Pat . 3, 787, 324 . 1974 .
   Google Scholar
• Lombardino , J. G. and Wiseman , E. H. 1972 . J. Med. Chem. , 15 : 848
   PubMed Web of Science ®Google Scholar
• Abe , K. , Yamamoto , S. and Matsui , K. 1956 . J. Pharm. Soc. Japan , 76 : 1058 Chem. Abstr. 1957 51 3499
   Google Scholar
• Zinnes , H. , Comes , R. A. , Zuleski , F. R. , Caro , A. N. and Shavel , J. 1965 . J. Org. Chem. , 30 : 2241
   Web of Science ®Google Scholar
• Lombardino , J. G. , Wiseman , E. H. and Mc. Lamose , W. M. 1971 . J. Med. Chem. , 14 : 1171
   PubMed Web of Science ®Google Scholar
• Dalla Croce , P. , Ferraccioli , R. and La Rosa , C. 1992 . Synth. Comm. , 22 : 2621
   Google Scholar
• Cousonni , R. , Dalla Croce , P. and Ferraccioli , R. 1990 . J. Het. Chem. , 27 : 427
   Web of Science ®Google Scholar
• Lombardino , J. G. and Watson , H. A. 1976 . J. Het. Chem. , 13 : 333
   Web of Science ®Google Scholar
• Unverferth , K. , Laban , G. , Gunther , W. , Lohmann , D. , Kretzschmar , E. , Cassebaum , H. , Lucke , L. , Jassmann , E. , Hilger , H. , Runge , H. J. and Ger , G. D.R. 1983 . : 247672 Chem. Abstr. 1988, 108, 150061.
   Google Scholar
• Unverferth , K. , Laban , G. , Gunther , W. , Lohmann , D. , Usbeck , H. , Cassebaum , H. , Lucke , L. , Jassmann , E. , Hilger , H. , Runge , H. J. and Ger , G. D.R. 1983 . 67 : 247 Chem. Abstr. 1988, 108 : 131836.
   Google Scholar
• Pátek , M. and Hampl , F. 1989 . Collect. Czech. Chem. Comm. , 54 : 3267
   Google Scholar
• Manjarrez , N. , Pérez , H. I. and Solís , A. 1995 . Rev. Mex. Ciencias Farmacéuticas , 25 : 20 And references cited therein.
   Google Scholar
• Zinnes , H. , Schwartz , M. and Shavel , J. US Pat. . 3, 787, 324 . Jan 22 1974 .
   Google Scholar
• Cassebaum , H. , Hilger , H. , Jassmann , E. , Lucke , L. , Runge , H. , Labau , W. , Gunther , W. and Ger , G. D.R. 1984 . DDZ15 : 310 Chem. Abstr. 1985, 103, 16049n.
   Google Scholar
• Zeng , Z. and Shuomingshu , C N . 86 107, 487 Chem. Abstr. 1989, 111, 39381k. Recently Zeng claimed a “one-pot” procedure to produce the ethyl derivative of 4, in 46% overall yield; starting from sodium saccharine following Lombardino's pathway,6 but these authors described the isolation of the ethyl ester of 4, during their process.
   Google Scholar
• Eckenroth , H. and Koerppen , G. 1897 . Chem Ber. , 30 : 1265
   Google Scholar