Journal ArticleDOI
Conversion of α,β-unsaturated ketones into α-hydroxy ketones using an MnIII catalyst, phenylsilane and dioxygen: acceleration of conjugate hydride reduction by dioxygen
TLDR
In this article, a variety of α,β-unsaturated ketones with Mn(dpm)3 (3 mol%)/PhSiH3 (1.3 equiv.)/isopropyl alcohol/O2, followed by reductive work-up with P(OEt)3 resulted in the formation of α-hydroxyketones.About:
This article is published in Tetrahedron Letters.The article was published on 2000-12-09. It has received 99 citations till now. The article focuses on the topics: Phenylsilane.read more
Citations
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Mn-, Fe-, and Co-Catalyzed Radical Hydrofunctionalizations of Olefins
TL;DR: A mechanistic framework for understanding this compendium of radical reactions is provided, covering the development of the field and contributions to reaction invention, mechanism, and application to complex molecule synthesis.
Journal ArticleDOI
Simple,Chemoselective, Catalytic Olefin Isomerization
TL;DR: Catalytic amounts of Co(SaltBu,tBu)Cl and organosilane irreversibly isomerize terminal alkenes by one position and strong Lewis bases like amines and imidazoles, and labile functionalities like epoxides, are tolerated.
Journal ArticleDOI
Manganese organometallic compounds in homogeneous catalysis: Past, present, and prospects
TL;DR: The use of first row transition metal complexes is one of the mainstreams in modern homogeneous catalysis as discussed by the authors and the case of manganese is peculiar in that catalytic applications of its coordination compounds featuring nitrogen-and oxygen-based ligands are well established, whereas those of its organometallic complexes exhibiting Mn C and/or Mn H bonds are still underdeveloped and have only recently focused substantial attention.
Journal ArticleDOI
Simple, Chemoselective Hydrogenation with Thermodynamic Stereocontrol
TL;DR: A catalytic hydrogenation of alkenes is demonstrated that affords the thermodynamic alkane products with remarkably broad functional group compatibility and rapid reaction rates at standard temperature and pressure.
Journal ArticleDOI
Enantioselective Chemo- and Biocatalysis: Partners in Retrosynthesis.
TL;DR: The review provides a guide to the use of biocatalytic methods in the area of chemical synthesis with focused attention on retrosynthetic considerations and analysis and is expected to lead to better understanding of the characteristics and distinctions of the two complementary approaches.
References
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307. Compounds related to the steroid hormones. Part IX. Oxygenation of steroid ketones in strongly basic medium: a new method of preparation of 17α-hydroxypregnan-20-ones
Journal ArticleDOI
Conjugate reduction of α,β-unsaturated ketones using an MnIII catalyst, phenylsilane and isopropyl alcohol
TL;DR: In this article, a variety of α,β-unsaturated ketones with Mn(dpm) 3 (3 mol%)/PhSiH 3 (1.3 equiv.)/isopropyl alcohol with the exclusion of air resulted in the formation of the saturated ketone.
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The crystal structure and molecular configuration of trisacetylacetonatomanganese(III)
B. Morosin,J.R. Brathovde +1 more
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Chelates of β-Diketones. I. Enolization, Ionization and Spectra
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Trimethylsilylcyanid als Umpolungsreagens, II. Nucleophile Acylierung von Aldehyden und Ketonen unter anionischer 1,4‐O,O‐Silylgruppenwanderung
Siegfried Hünig,Gregor Wehner +1 more
TL;DR: In this paper, anion 9, derived from O-(trimethylsilyl) benzaldehyde-cyanohydrin (8), adds quantitatively to aldehydes and ketones.