Some tips on 3,4-Dichloroisothiazole-5-carboxylic acid

With the complex challenges of chemical substances, we look forward to future research findings about 18480-53-0,belong isothiazole compound

As a common heterocyclic compound, it belongs to isothiazole compound, name is 3,4-Dichloroisothiazole-5-carboxylic acid, and cas is 18480-53-0, its synthesis route is as follows.,18480-53-0

15 g of 3,4-dichloroisothiazole-5-carboxylic acid (75.7 mmol) were dissolved in 300 ml of ethanol and 8.4 ml of concentrated sulphuric acid were added. The mixture was stirred under reflux for 20 h. The reaction mixture was then concentrated to half the original volume, neutralized with saturated NaHCO3, added to water and extracted with dichloromethane. The dichloromethane phases were dried and carefully concentrated on a rotary evaporator. Yield:15.2 g (89percent of theory).?H-NMR (400 MHz, CDC13 3, ppm) 4.44 (q, 2H), 1.42 (tr, 3H).

With the complex challenges of chemical substances, we look forward to future research findings about 18480-53-0,belong isothiazole compound

Reference£º
Patent; BAYER CROPSCIENCE AKTIENGESELLSCHAFT; BERNIER, David; CRISTAU, Pierre; TSUCHIYA, Tomoki; RINOLFI, Philippe; DROeGE, Thomas; MAECHLING, Simon; SCHMIDT, Jan Peter; TELSER, Joachim; DOeLLER, Uwe; MOSRIN, Marc; REY, Jullien; TIEBES, Joerg; WACHENDORFF-NEUMANN, Ulrike; (467 pag.)WO2016/102435; (2016); A2;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com