SHAJARI, N.; RAMAZANI, A. Kaolinite Powder Catalyzed Stereoselective Conversion of Dialkyl-2-(1,1,3-Trioxo-1,3-Dihydro-2H-1,2-Benzisothiazol- 2-Yl)-3-(triphenylphosphoranylidene)succinates to Dialkyl- 2-(1,1,3-Trioxo-1,3-Dihydro-2H-1,2-Benzisothiazol-2-Yl)-2- Butendioat. ajc 2010, 19, 1581-1583.