Home  About us  Contact
 

Divinyl Ketones (divinyl + ketone)

Distribution by Scientific Domains
Chemistry100%

Selected Abstracts

ChemInform Abstract: Direct Stereoselective Synthesis of 1-Amino-2,5-diarylcyclohexanecarboxylic Acid Derivatives Based on a [5 + 1] Annulation of Divinyl Ketone and Isocyanoacetate.

CHEMINFORM, Issue 31 2010
Dawei Zhang
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

ChemInform Abstract: CAN-Mediated Highly Regio- and Stereoselective Oxidation of Vinylidenecyclopropanes: A Novel Method for the Synthesis of Unsymmetrical Divinyl Ketone and Functional Enone Derivatives.

CHEMINFORM, Issue 51 2008
Chenliang Su
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

ChemInform Abstract: Stereoselective Double Friedel,Crafts Alkylation of Indoles with Divinyl Ketones.

CHEMINFORM, Issue 31 2009
Andrew C. Silvanus
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

ChemInform Abstract: Gold(I)-Catalyzed Rearrangement of Alkynyloxiranes: A Mild Access to Divinyl Ketones.

CHEMINFORM, Issue 34 2008
Marie-Caroline Cordonnier
Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a "Full Text" option. The original article is trackable via the "References" option. [source]

Chemoselective Cyclizations of Divinyl Ketones to Cyclohexenones Mediated by Lewis Acid and Base.

CHEMINFORM, Issue 52 2004
Nabi A. Magomedov
Abstract For Abstract see ChemInform Abstract in Full Text. [source]

Ruthenium,Lewis Acid Catalyzed Asymmetric Diels,Alder Reactions between Dienes and ,,,-Unsaturated Ketones

CHEMISTRY - A EUROPEAN JOURNAL, Issue 12 2007
Jenny Rickerby Dr.
Abstract The complex [Ru(Cp)(R,R -BIPHOP-F)(acetone)][SbF6], (R,R)- 1,a, was used as catalyst for asymmetric Diels,Alder reactions between dienes (cyclopentadiene, methylcyclopentadiene, isoprene, 2,3-dimethylbutadiene) and ,,,-unsaturated ketones (methyl vinyl ketone (MVK), ethyl vinyl ketone, divinyl ketone, ,-bromovinyl methyl ketone and ,-chlorovinyl methyl ketone). The cycloaddition products were obtained in yields of 50,90,% and with enantioselectivities up to 96,% ee. Ethyl vinyl ketone, divinyl ketone and the halogenated vinyl ketones worked best and their reactions with acyclic dienes consistently provided products with >90,% ee. ,-Chlorovinyl methyl ketone performed better than ,-bromovinyl methyl ketone. The reaction also provided a [4.3.1]bicyclic ring system in 95,% ee through an intramolecular cycloaddition reaction. Crystal structure determinations of [Ru(Cp)((S,S)-BIPHOP-F)(mvk)][SbF6], (S,S)- 1,b, and [Ru(Cp)((R,R)-Me4BIPHOP-F)(acrolein)][SbF6], (R,R)- 2,b, provided the basis for a rationalization of the asymmetric induction. [source]