Palladium-catalyzed multi-component synthesis of steroidal A- and D-ring fused 5,6-disubstituted pyridines under microwave irradiation
摘要:
The preparation of steroidal A-, D-ring fused 5,6-disubstituted pyridines and nonsteroidal substituted pyridines is described form Pd(OAc)(2) catalyzed multi-component reaction of steroidal/nonsteroidal ss-halovinyl aldehyde, alkyne and benzylamine in solvent-free condition under microwave irradiation. (C) 2013 Elsevier Ltd.