28022-64-2Relevant articles and documents
Pyrazolium-sulfonates. Mesomeric betaines possessing iminium-sulfonate partial structures
Dreger, Andrij,Muenster, Niels,Nieto-Ortega, Belen,Ramirez, Francisco Javier,Gjikaj, Mimoza,Schmidt, Andreas
scheme or table, p. 20 - 37 (2012/03/22)
Pyrazolium-3-sulfonates and pyrazolium-4-sulfonates possessing the iminiomethanesulfonate and the 3-iminio-pro-1-ene-2-sulfonate partial structure are prepared. Formally, they represent sulfur analogs of cross-conjugated (CCMB) and pseudo-cross-conjugated