4.7 Article

Copper-Catalyzed Synthesis of 1,2,4-Benzothiadiazine 1,1-Dioxide Derivatives by Coupling of 2-Halobenzenesulfonamides with Amidines

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 351, Issue 11-12, Pages 1999-2004

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200900101

Keywords

1,2,4-benzothiadiazine 1,1-dioxides; copper; cyclization; ortho-substituent effect; synthetic methods

Funding

  1. National Natural Science Foundation of China [20672065, 20732004]
  2. Ministry of Science and Technology of China [2007AA02Z160, 2006DFA43030]
  3. New Century Excellent Talents in University [NCET-05-0062]
  4. Beijing Department of Education [XK100030514]
  5. National Basic Research Program of China [2009CB930200]

Ask authors/readers for more resources

We have developed a simple and practical copper-catalyzed method for the synthesis of 1,2,4-benzothiadiazine 1,1-dioxide derivatives via cascade reactions of substituted 2-halobenzenesulfonamides with amidines, and the method is of value for the construction of this kind of molecules with biological and medicinal activities.

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