1404118-38-2Relevant articles and documents
Access to indole- and pyrrole-fused diketopiperazines via tandem Ugi-4CR/intramolecular cyclization and its regioselective ring-opening by intermolecular transamidation
Pandey, Shashi,Khan, Shahnawaz,Singh, Awantika,Gauniyal, Harsh M.,Kumar, Brijesh,Chauhan, Prem M. S.
, p. 10211 - 10227 (2013/01/15)
An efficient approach for the synthesis of indole- and pyrrole-fused diketopiperazines has been developed. This protocol involves the Ugi four-component reaction (U-4CR) followed by an intramolecular cyclization of the Ugi products at room temperature to