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In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.

了10个内酯型物,其中7个是新化物,其结构均由元素分析,、核磁、质谱分析证实。

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Two new exocyclic ring-fused boron-dipyrromethene (BDP) dyes with benzo crown ether subunit at meso-position were prepared.Their spectroscopic and electrochemical properties were investigated.

本文报道了两种中位为苯并亚单元取代含稠硼-二吡咯亚甲基染料、光谱和电化学性质。

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Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.

摘要链状二芳醛在酸性条件下与氨基硫脲反应,了链状二芳醛缩氨硫脲类化物。

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Three open crown ethers were synthesized for the first time by using parathesin as the terminal group.They were characterized by IR, 1HNMR ,MS and EA.

以对氨基苯甲酸乙酯为端基了3种酰胺型开链,并通过IR、~1HNMR、MS和元素分析确证了它们结构。

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In this paper we prepared a series of azacrown ethers with side chains of tropone rings and their derivatives by the reactivity of seven-membered aromatic tropone rings.

本文利用七元芳香卓酮环反应活性,出了一系列以卓酮环其衍生物为侧臂氮杂

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