6341-92-0, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 6341-92-0, name is 6-Chloroisatin, This compound has unique chemical properties. The synthetic route is as follows.
4. 6-Chlorooxindole Reaction of 36.2 g. of 6-chloroisatin with hydrazine hydrate followed by sodium ethoxide in ethanol, substantially according to B above, afforded 14.2 g. of 6-chlorooxindole, m.p. 196-198 C. In an analogous manner 4- and 6-fluoro- and bromooxindoles are prepared, as well as 7-fluorooxindole, 7-bromooxindole, 7-methyloxindole, 4,6-difluorooxindole, 4,7-dichlorooxindole, 5,7-difluorooxindole, 5-n-butyl-7-fluorooxindole, 7-cyclohexyloxindole and 7-cyclopropyloxindole.
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Reference:
Patent; Pfizer Inc.; US4725616; (1988); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem