CAS: 5344-82-1; 1-(2-Chlorophenyl)-2-Thiourea

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2-chlorophenylisothi°Cyanate N-benzoyl-N'-(2-chlorophenyl)thiourea ammonium thi°Cyanate o-chloroaniline (2-chloro-phenyl)-(4,5,6,7-tetrahydro-benzothiazol-2-yl)-amine 2-(2-chloro-anilino)-4-methyl-thiazole-5-carboxylic acid ethyl ester 2-(2-chloro-anilino)-thiazol-4-one 5,5-diethyl-1-(2-chloro-phenyl)-2-thio-barbituric acid

2-Chlorophenyl Dithiocarbamic Acid Triethylammonium置于1,2-Dipyridinium Ditribromide Ethane,氨体系中,用 水,乙腈 作为反应溶剂,化学反应生成 邻氯苯基硫脲
参考文献:无溴溴作为一种高效脱硫剂,用于从二硫代氨基甲酸盐制备氰胺和 2-氨基噻唑
标题:无溴溴作为一种高效脱硫剂,用于从二硫代氨基甲酸盐制备氰胺和 2-氨基噻唑
摘要:摘要 在以二硫代氨基甲酸为原料制备有机氰胺和取代噻唑的过程中,无溴溴化试剂 1,1'-(乙烷-1,2-二基)二溴化吡啶鎓 (Edpbt) 已被用作脱硫剂.盐.在这种方法中,烷基/芳基异硫氰酸酯首先通过二硫代氨基甲酸盐与 Edpbt 脱硫获得.原位反应生成的异硫氰酸酯与氨水反应,形成烷基或芳基硫脲,随后用 Edpbt 氧化脱硫,以非常好的收率形成相应的氰胺.或者,通过原位反应生成的 1-芳基硫脲与由酮原位反应生成的 α-溴酮缩合,再次使用 Edpbt,实现了取代噻唑的高效一锅法合成.试剂 Edpbt 可以很容易地从现成的试剂中制备.对于易于溴化的底物,脱硫能力优于其溴化能力.
DOI:10.1080/00397911003642658

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