By the amide and aliphatic chain or alicyclic base line base connected criminal macromolecules.
由酰胺链与脂族基或脂环基连接的线刑大分子构成.
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In this paper , two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction.
采用相转移催化反应合成了两个不饱和脂环氮杂冠醚.
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