Gold nanoparticle catalyzed intramolecular C-S bond formation/C-H bond functionalization/cyclization cascades was written by Gogoi, Prasanta;Paul, Bappi;Hazarika, Sukanya;Barman, Pranjit. And the article was included in RSC Advances in 2015.Reference of 1843-21-6 This article mentions the following:
An efficient synthesis of 2-(N-aryl)aminobenzo[d]-1,3-thiazoles via intramol. C-S bond formation/C-H bond functionalization utilizing an unusual cocatalytic Au-NPs/KMnO4 system under an oxygen atm. at 80° was presented. Au-NPs could be easily prepared by using HAuCl4 with reductive potential of Kayea assamica (sia nahor) aqueous fruit extract The catalyst could be easily separated and recycled eight times without any appreciable loss of activity. In the experiment, the researchers used many compounds, for example, N-Phenylbenzo[d]thiazol-2-amine (cas: 1843-21-6Reference of 1843-21-6).
N-Phenylbenzo[d]thiazol-2-amine (cas: 1843-21-6) belongs to thiazole derivatives. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities. Electrophilic attack at nitrogen depends on the presence of electron density at nitrogen as well as the position and nature of substituent linked to the thiazole ring.Reference of 1843-21-6
Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica