An expedient and convenient approach for one-pot synthesis of 1H-isoindole-1,3(2H)-diones was written by Ekhtiari, Zeinab;Havasi, Forugh;Nikpour, Farzad. And the article was included in Zeitschrift fuer Naturforschung, B: A Journal of Chemical Sciences in 2016.SDS of cas: 24407-32-7 This article mentions the following:
An easy and expedient method for the one-pot synthesis of 1H-isoindole-1,3(2H)-diones, e.g., 3-hydroxy-2,3-dihydro-1H-isoindol-1-one has been developed by the reaction of corresponding cyclic anhydrides, e.g., 3-hydroxy-1,3-dihydro-2-benzofuran-1-one with guanidinium chloride as a nitrogen source in the presence of FeCl3 as a catalyst under mild reaction conditions. In the experiment, the researchers used many compounds, for example, 4,5,6,7-Tetrabromoisoindoline-1,3-dione (cas: 24407-32-7SDS of cas: 24407-32-7).
4,5,6,7-Tetrabromoisoindoline-1,3-dione (cas: 24407-32-7) belongs to indole derivatives. Indole exists overwhelmingly in the 1H-indole form as do other simple indoles. More than 200 indole derivatives have already been marketed as drugs or are under advanced stages of clinical trials.SDS of cas: 24407-32-7
Referemce:
Indole alkaloid derivatives as building blocks of natural products from闂佽壈浜崹淇沜illus thuringiensis闂佽壈浜粋鍧闂佽壈浜崹淇沜illus velezensis闂佽壈浜粋鍧 their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles