{"title":"可见光光氧化还原催化CBr4控制硫脲氧化脱硫：一种合成硫胺胍的新途径","authors":"Babita Yadav , Arvind Kumar Yadav , Garima , Atul Kumar Singh , Vishnu Prabhakar Srivastava , Santosh K. Srivastava","doi":"10.1016/j.tgchem.2025.100079","DOIUrl":null,"url":null,"abstract":"<div><div>An efficient, photo-catalytic synthesis of thioamidoguanidine was developed through oxidative sulfurization of thioureas. The protocol involves the use of Ru(bpy)<sub>3</sub>Cl<sub>2</sub> (bpy = 2,2′-bipyridine)as a photo-catalyst, carbon tetrabromide (CBr<sub>4</sub>) as the oxidizing reagent, and visible light as the source of energy at room temperature. Present reaction offers a practical, base-free, economically cheap reagent, an environmentally benign and safer approach for a variety of anti-Hugelchoff products.</div></div>","PeriodicalId":101215,"journal":{"name":"Tetrahedron Green Chem","volume":"5 ","pages":"Article 100079"},"PeriodicalIF":0.0000,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Visible light photoredox catalyzed controlled oxidative desulfurization of thioureas using CBr4: A new route for the synthesis of thioamidoguanidine\",\"authors\":\"Babita Yadav , Arvind Kumar Yadav , Garima , Atul Kumar Singh , Vishnu Prabhakar Srivastava , Santosh K. Srivastava\",\"doi\":\"10.1016/j.tgchem.2025.100079\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>An efficient, photo-catalytic synthesis of thioamidoguanidine was developed through oxidative sulfurization of thioureas. The protocol involves the use of Ru(bpy)<sub>3</sub>Cl<sub>2</sub> (bpy = 2,2′-bipyridine)as a photo-catalyst, carbon tetrabromide (CBr<sub>4</sub>) as the oxidizing reagent, and visible light as the source of energy at room temperature. Present reaction offers a practical, base-free, economically cheap reagent, an environmentally benign and safer approach for a variety of anti-Hugelchoff products.</div></div>\",\"PeriodicalId\":101215,\"journal\":{\"name\":\"Tetrahedron Green Chem\",\"volume\":\"5 \",\"pages\":\"Article 100079\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-05-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Tetrahedron Green Chem\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2773223125000184\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Tetrahedron Green Chem","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2773223125000184","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Visible light photoredox catalyzed controlled oxidative desulfurization of thioureas using CBr4: A new route for the synthesis of thioamidoguanidine
An efficient, photo-catalytic synthesis of thioamidoguanidine was developed through oxidative sulfurization of thioureas. The protocol involves the use of Ru(bpy)3Cl2 (bpy = 2,2′-bipyridine)as a photo-catalyst, carbon tetrabromide (CBr4) as the oxidizing reagent, and visible light as the source of energy at room temperature. Present reaction offers a practical, base-free, economically cheap reagent, an environmentally benign and safer approach for a variety of anti-Hugelchoff products.
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