The electrophilic substitution of ferrocene by protonated carbonyl compounds - ScienceDirect
摘要：
The α-ferrocenylalkyl caebenium ions are formed from ferrocene and carbonyl compounds in strongly acidic media, in particular mixtures of fluorosulfuric acid and trichloroacetic acid. The α-ferrocenylalkyl carbenium ions are scavenged by nucleophiles or bases. The addition of nucleophiles produces the corresponding α-substituted ferrocenyl alkanes. Proton abstraction by base from the β-position leads to the ferrocenylethene derivatives. Such electrophilic substitutions of ferrocene by carbonyl compounds, followed by suitable scavengeing of the α-ferrocenylalkyl carbenium ion, form the basis of one-pot syntheses of various ferrocene derivatives.
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关键词：
Homogeneous immunoassay immunoassay, homogeneous enzyme immunoassay immunoassay, enzyme antigens antibodies ligand binding separation-free enzyme immunoassay substrate and prosthetic group labels
DOI：
10.1016/S0040-4020(01)97676-8
被引量：
年份：
1981
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