【文章名】One-Pot, Three-Component Synthesis of Novel 4-Phenyl-2-[3-(alkynyl/alkenyl/aryl)phenyl]pyrimidine Libraries via Michael Addition, Cyclization, and C-C Coupling Reactions: A New MCR Strategy
One-Pot, Three-Component Synthesis of Novel 4-Phenyl-2-[3-(alkynyl/alkenyl/aryl)phenyl]pyrimidine Libraries via Michael Addition, Cyclization, and C-C Coupling Reactions: A New MCR Strategy
作者
REDDY L SRINIVASULA; REDDY T RAM; REDDY N C GANGI; MOHAN REDDY BODIREDDY; LINGAPPA Y
[摘要]:Privileged medicinal scaffolds based on the structures of 4-phenyl-2-[3-(alkynyl/alkenyl/aryl)phenyl]-substituted pyrimidines have been synthesized via a single-step, three-component reaction of 3-(dimethylamino)-1-phenylprop-2-en-1-one (enaminone), 3-bromobenzimidamide hydrochloride, and various alkynes/alkenes/arylboronic acids. The mechanism of this multicomponent reaction (MCR) involves a Michael addition, cyclization, isomerization, and dehydration, followed by Sonogashira, Heck or Suzuki coupling. This new MCR strategy afforded a new compound library based on pyrimidine framework.