Syntheses of Benzocyclooctenedione Derivatives, Cyclopenta[a]indanones and a Benzo-anellated Tetraquinane via Sequential Transformations of Tricarbonyl(η6-1,2-dioxobenzocyclobutene)chromium(0)

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Original languageEnglish
Pages (from-to)999-1000
Number of pages2
JournalJournal of the Chemical Society, Chemical Communications
Issue number8
Publication statusPublished - 1994
Externally publishedYes

Abstract

Tricarbonyl(η6-1,2-dioxobenzocyclobutene)chromium(0) 1 can be converted into benzocyclooctenedione derivatives 3, 7 and 8 as well as fused five-membered ring systems 2, 4 and 6 by addition of vinyl lithium derivatives and following double anionic oxy-Cope rearrangement under very mild reaction conditions (-78 °C); product ratios depend on the method of hydrolysis.

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Syntheses of Benzocyclooctenedione Derivatives, Cyclopenta[a]indanones and a Benzo-anellated Tetraquinane via Sequential Transformations of Tricarbonyl(η6-1,2-dioxobenzocyclobutene)chromium(0). / Brands, Michael; Bruckmann, Joachim; Krüger, Carl et al.
In: Journal of the Chemical Society, Chemical Communications, No. 8, 1994, p. 999-1000.

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abstract = "Tricarbonyl(η6-1,2-dioxobenzocyclobutene)chromium(0) 1 can be converted into benzocyclooctenedione derivatives 3, 7 and 8 as well as fused five-membered ring systems 2, 4 and 6 by addition of vinyl lithium derivatives and following double anionic oxy-Cope rearrangement under very mild reaction conditions (-78 °C); product ratios depend on the method of hydrolysis.",
author = "Michael Brands and Joachim Bruckmann and Carl Kr{\"u}ger and Holger Butensch{\"o}n",
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language = "English",
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AU - Krüger, Carl

AU - Butenschön, Holger

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JO - Journal of the Chemical Society, Chemical Communications

JF - Journal of the Chemical Society, Chemical Communications

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ER -

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