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. 59-48-3, name is Indolin-2-one, This compound has unique chemical properties. The synthetic route is as follows., Recommanded Product: 59-48-3
(a) Nitration of 6.66 g. oxindole in 25 ml. conc. sulfuric acid with 2.1 ml. fuming nitric acid is conducted according to the procedure of W. C. Sumpter et al., J. Amer. Chem. Soc. 67, 499 (1945). Crystallization of the crude product from 50% acetic acid and from methanol yields 3.85 g. 5-nitrooxindole, m.p. 240-242. (Sumpter et al. recorded m.p. 240-241).
According to the analysis of related databases, 59-48-3, the application of this compound in the production field has become more and more popular.
Reference:
Patent; American Home Products Corporation; US4118561; (1978); A;,
Indoline – Wikipedia,
Indoline | C8H9N – PubChem