In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 27148-03-4, name is Benzo[d]isothiazole-3(2H)-thione 1,1-dioxide, introducing its new discovery. name: Benzo[d]isothiazole-3(2H)-thione 1,1-dioxide
Ab initio HF, density functional and experimental studies on the IR spectra and structure of 1,2-benzisothiazol-3-(2H)-thione-1,1-dioxide (thiosacchanin) and its nitranion
The spectral and structural changes taking place in the course of the conversion of 1,2-benzisothiazol-3-(2H)-thione-1,1-dioxide (thiosaccharin) into a nitranion have been studied on the basis of both IR spectra and ab initio HF 6-31G(d) and BLYP 6-31G(d,p) force field calculations. The conversion causes nuSO(2)as and nuSO(2)s frequency decreases of 47 and 13 cm-1, respectively, and other spectral changes. The nuC double bond S coordinate is strongly delocalized. The ab initio geometries of the isolated molecule and nitranion agree well with the single-crystal X-ray ones, determined for thiosaccharin and its sodium (potassium) monohydrate salts, respectively. The nitranionic charge is delocalized almost uniformly within the thiocarbonyl (0.29 e-), sulfonyl (0.24 e-), and phenylene (0.24 e-) groups, and the nitranionic center (0.23 e-).
We¡¯ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, the role of 27148-03-4, and how the biochemistry of the body works.name: Benzo[d]isothiazole-3(2H)-thione 1,1-dioxide
Reference£º
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com