Synthesis and bioactivity of novel sulfonate scaffold-containing pyrazolecarbamide derivatives as antifungal and antiviral agents was written by Lei, Zhi-Wei;Yao, Jianmei;Liu, Huifang;Ma, Chiyu;Yang, Wen. And the article was included in Frontiers in Chemistry (Lausanne, Switzerland) in 2022.Synthetic Route of C7H4ClF3O2S This article mentions the following:
Novel I [R = Ph, 4-methylphenyl, 2-chlorophenyl, etc] bearing a sulfonate fragment were synthesized to identify potential antifungal and antiviral agents. All the structures of the key intermediates and target compounds were confirmed by NMR and high-resolution mass spectrometry. The single-crystal X-ray diffraction of the compound I [R = 3-trifluoromethyl phenyl] showed that pyrazole carbamide is a sulfonate. The in vitro antifungal activities of the target compounds against Colletotrichum camelliae, Pestalotiopsis theae, Gibberella zeae, and Rhizoctonia solani were evaluated at 50μg/mL. Among the four pathogens, the target compounds exhibited the highest antifungal activity against Rhizoctonia solani. The compound I [R = phenylethyl] (EC50 = 0.45 mg/L) had higher antifungal activity than the com. fungicide hymexazol (EC50 = 10.49 mg/L) against R. solani, almost similar to bixafen (EC50 = 0.25 mg/L). Addnl., the target compounds exhibited protective effects in vivo against TMV. Thus, this study reveals that I. bearing a sulfonate fragment exhibited potential antifungal and antiviral activities. In the experiment, the researchers used many compounds, for example, 3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6Synthetic Route of C7H4ClF3O2S).
3-(Trifluoromethyl)benzene-1-sulfonyl chloride (cas: 777-44-6) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Synthetic Route of C7H4ClF3O2S
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics