Site-selective acylation of carbohydrates directed by recyclable polymer-supported isothiourea catalysts was written by Song, Wang-Ze;Dong, Kun;Li, Ming;Li, Jun-Hao;Ullah, Karim;Zheng, Yu-Bin. And the article was included in Heterocycles in 2019.COA of Formula: C7H3BrClNS This article mentions the following:
The polystyrene-supported isothiourea catalysts, derived from the homogeneous catalyst BTMs, were synthesized and applied to the site-selective acylation of carbohydrates. The catalysts can be recovered and reused conveniently for 10 cycles without significantly loss in either activity or selectivity. It offers a sustainable and environmentally benign approach for the site-selective functionalization of carbohydrates. In the experiment, the researchers used many compounds, for example, 6-Bromo-2-chlorobenzothiazole (cas: 80945-86-4COA of Formula: C7H3BrClNS).
6-Bromo-2-chlorobenzothiazole (cas: 80945-86-4) belongs to thiazole derivatives. The higher aromaticity of thiazole is due to delocalization of a lone pair of sulfur electrons across the ring, which is evidenced by chemical shifts of ring hydrogen at δ 7.27 and 8.77 ppm (C2 and C4), indicating diamagnetic ring current. Thiazole is a versatile building block for the construction and lead generation of new drug discoveries. Numerous diazole-based compounds are in clinical use as anticancer, antileukemic, antiinflammatory, antiviral, antifungal, antirheumatic, immunomodulator, and antiparasitic agents.COA of Formula: C7H3BrClNS
Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica