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Alkylation of some tricarbonyl(pentadienyl) and (cyclohexadienyl)iron(+1) salts with the highly functionalized copper reagents RCu(CN)ZnI

✍ Scribed by Ming-Chang P Yeh; Mei-Lin Sun; Syh-Kun Lin

Publisher: Elsevier Science
Year: 1991
Tongue: French
Weight: 248 KB
Volume: 32
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)71232-9

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✦ Synopsis

Reaction of the highly functionalbed copper reagents RCu(CN)ZnI with the title compounds occurs predominantly at less hindered termini, generating fimctionaliied side chains at C5 of (q4-penta-1,3-diene) and (n4-clohexa-1,3diene)tricarbonyliton(O) complexes.

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The reactivity of the highly functionali

The reactivity of the highly functionalized copper, zinc reagents RCu(CN)ZnI toward 1-haloalkynes and acetylenic esters

✍ Ming Chang P. Yeh; Paul Knochel 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 336 KB

The highly functionalized organometallics RCu(CN)ZnI 1 react efficiently with 1-haloalkynes providing polyfunctionalized alkynes in high yields. This method has been used to prepare a pheromone of the Amathes c-nrgm in 3 steps and 64% overall yield. The reagents 1 also add in the presence of an exce