Adding some certain compound to certain chemical reactions, such as: 1226781-82-3, name is tert-Butyl 2-(methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 1226781-82-3. 1226781-82-3
The benzene sulfonic acid 3.3Kg added ethyl acetate 14L clear,Circulating frozen brine bath to 5 ~ 15 ;2-Methanesulfonyl 5-tert-butoxycarbonyl- (2-hydro, 4-hydro, 6-hydro) -pyrrolo [3,4- c] pyrazole2.85Kg added ethyl acetate 14L in a clear,At 5 ~ 15 C was added dropwise to a solution of ethyl benzenesulfonate,Stir for 30 minutes,Go ice-cold bath,Stir at 25 ¡À 5 C for 16 hours,Centrifuge,Stir the solid with 17 L of ethyl acetate for 1.5 hours;Centrifuge,The solid was rinsed with 4 L of ethyl acetate,Wet products at -0.08MPa ~ -0.1MPa,40 C for 8 hours under vacuum to give a pale yellow solid Compound II 3.16Kg,Yield 92.3%.HPLC: 96.75%
Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of tert-Butyl 2-(methylsulfonyl)-4,6-dihydropyrrolo[3,4-c]pyrazole-5(2H)-carboxylate.