Thieme Gruppe, Synlett: Accounts and Rapid Communications in Synthetic Organic Chemistry, 11(2010), p. 1669-1673, 2010
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A series of novel dendrimers with pyrrolidine as surface group has been achieved in high yields by terminal-group modification on chalcone dendrimers through the application of 1,3-dipolar cycloaddition reaction. In 1,3-dipolar cycloaddition, azomethine ylides (AMY) with alkenes afforded five-membered N-methyl pyrrolidine. The formation of N-methyl pyrrolidine in the dendritic structure would be