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单词 Organozinc
释义

Organozinc

中文百科

有机锌化合物 Organozinc compound

(重定向自Organozinc)
最早发现的有机锌化合物

有机锌化合物是指含有碳-锌化学键的一类有机化合物。有机锌化学是一门研究有机锌化合物理化性质、合成和反应的学科。

第一个被发现和制备的有机锌化合物是二乙基锌(Diethylzinc)(由Edward Frankland于1849年发现)。它还是第一个被发现具有金属-碳σ键的化合物。许多有机锌化合物都是易燃的而难以操作的(大多数有机溶剂同样可燃而存在安全隐患)。有机锌化合物大多易于氧化,且溶于质子性溶剂时会发生分解。在许多反应中,有机锌试剂都需要现制现用而不能被分离纯化或存放太久。所有使用有机锌试剂的反应都需要在惰性气体保护下进行,如氮气或氩气。

英语百科

Organozinc compound 有机锌化合物

(重定向自Organozinc)
Saturated diorganozinc reagents with bridging aryl groups

Organozinc compounds in organic chemistry contain carbon to zinc chemical bonds. Organozinc chemistry is the science of organozinc compounds describing their physical properties, synthesis and reactions.

Organozinc compounds were among the first organometallic compounds made. They are less reactive than many other analogous organometallic reagents, such as Grignard and organolithium reagents. In 1848 Edward Frankland prepared the first organozinc compound, diethylzinc, by heating ethyl iodide in the presence of zinc metal. This reaction produced a volatile colorless liquid that spontaneous combusted upon contact with air. Due to their pyrophoric nature, organozinc compounds are generally prepared using air-free techniques. They are unstable toward protic solvents. For many purposes they are prepared in situ, not isolated, but many have been isolated as pure substances and thoroughly characterized.

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更新时间:2025/6/22 10:01:18