Add time:08/18/2019         Source:sciencedirect.com

The heterogeneous tandem reactions of 2-haloanilines with isothiocyanates were achieved in DMSO using Et3N as base at 80 °C in the presence of a 3-(2-aminoethylamino)propyl-functionalized MCM-41-immobilized copper(II) complex [MCM-41-2N-CuSO4], yielding a variety of 2-aminobenzothiazoles in good to excellent yields. This heterogeneous copper catalyst exhibited higher activity than CuSO4 and can be recovered and recycled by a simple filtration of the reaction solution and used for at least 10 consecutive trials without any decreases in activity.

We also recommend Trading Suppliers and Manufacturers of 2-BIPHENYL ISOTHIOCYANATE (cas 19394-61-7). Pls Click Website Link as below: cas 19394-61-7 suppliers