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Transition metal-stabilized carbenium ions as synthetic intermediates. I. α-[(alkynyl)dicobalt hexacarbonyl] carbenium ions as propargylating agents

✍ Scribed by Rosa F. Lockwood; Kenneth M. Nicholas

Publisher: Elsevier Science
Year: 1977
Tongue: French
Weight: 206 KB
Volume: 18
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)83455-9

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✦ Synopsis

A phenomenon of long-standing interest in organometallic chemistry is the tremendously enhanced stability of carbenium ions flanked by organotransition metal moieties.

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Transition metal-stabilized carbenium io

Transition metal-stabilized carbenium ions as synthetic intermediates. II. Alkylation of β-dicarbonyl compounds with (propargyl)dicobalt hexacarbonyl cations

✍ H.Daniel Hodes; Kenneth M. Nicholas 📂 Article 📅 1978 🏛 Elsevier Science 🌐 French ⚖ 193 KB

As part of a program to investigate the potential synthetic utility of transition metal-stabilized carbenium ions , we have been interested in the +1 chemistry of the cationic propargyl complexes (RCICCR2)y2(C0)6. Since the activating -Co2(CO)6 moiety is efficiently introduced and removed, 3 these c