Journal ArticleDOI
Dicobaltoctacarbonyl-alkyne complexes as intermediates in the synthesis of bicyclo[3.3.0]octenones for the synthesis of coriolin and hirsutic acid
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In this article, a mechanistic hypothesis to explain the observed stereospecificity is presented, which is suitable for straightforward elaboration into coriolin and hirsutic acid precursors.About:
This article is published in Tetrahedron.The article was published on 1985-01-01. It has received 151 citations till now. The article focuses on the topics: Stereospecificity.read more
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Gem-Disubstituent Effect: Theoretical Basis and Synthetic Applications
Michael E. Jung,Grazia Piizzi +1 more
TL;DR: A comparison study of the effects of gem-Dialkyl Substitution in Drug Design on the Formation and Stability of Inorganic and Organometallic Complexes and their implications for synthetic chemistry and drug design.
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Metal-Assisted Cycloaddition Reactions in Organotransition Metal Chemistry
TL;DR: In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website as discussed by the authors, in case of legitimate complaints the material will be removed.
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Synthesis of Polyquinane Natural Products: An Update.
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N-oxide promoted pauson-khand cyclizations at room temperature
TL;DR: Tertiary amine oxides have been utilized to effect cobalt-mediated intramolecular cyclizations of enynes (Pauson-Khand reactions) at room temperature as discussed by the authors.
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The intermolecular Pauson-Khand reaction.
Susan E. Gibson,Nello Mainolfi +1 more
TL;DR: This overview provides a comprehensive and critical coverage of the intermolecular Pauson-Khand reaction based on the reactivity characteristics of different classes of alkenes and a rationalization of successes and misfortunes in this area.
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Journal ArticleDOI
Transition-metal-catalyzed acetylene cyclizations in organic synthesis
TL;DR: In this paper, transition-metal-catalyzed cyclooligomerization of acetylenes is described with a brief discussion of reaction mechanisms, and the synthesis of indans, tetralins, anthraquinones, benzocyclobutenes, polycycles and heterocycles are discussed.
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Uses of cobalt-carbonyl acetylene complexes in organic synthesis*†
P. L. Pauson,I. U. Khand +1 more
TL;DR: The most extensive information in the literature relates to iron carbonyls, from which a range of complexes have been obtained, the organic ligand of which is rarely the unchanged acetylene but, rather, is usually composed of one to three acetylene units with or without incorporation of one or two carbonyl groups as mentioned in this paper.
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Stereoselectivity of intramolecular dicobalt octacarbonyl alkene-alkyne cyclizations: short synthesis of dl-coriolin
Christopher Exon,Philip Magnus +1 more
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A stereocontrolled total synthesis of (.+-.)-hirsutic acid C
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Silicon in synthesis. 21. Reagents for thiophenyl-functionalized cyclopentenone annulations and the total synthesis of (.+-.)-hirsutene
TL;DR: Le trimethylsilyl-1 phenylthio-1 ethylene reagit avec les chlorures dacyle cycliques α, β insatures pour donner des β-mercaptophenylcyclopentenones as mentioned in this paper.