A one-pot process for the regioselective synthesis of 1,3,4-trisubstituted-1H-pyrazoles
摘要:
This Letter reports a facile and regioselective one-pot synthesis of 1,3,4-trisubstituted-1H-pyrazoles. It comprises a three-step telescoped sequence. which has been utilised in the production of a variety of differentially substituted pyrazoles. (C) 2008 Elsevier Ltd. All rights reserved.