20890-80-6Relevant articles and documents
Method for preparing aryl vinyl alkyl thioether through C/C-S monatomic assembly process
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Paragraph 0095; 0100-0101; 0115-0117, (2022/04/08)
The invention discloses a method for preparing aryl vinyl alkyl thioether through a C = C-S monatomic assembly process, which comprises the following steps: respectively providing an atom for a C = C-S structure by dimethyl sulfoxide, aromatic aldehyde ketone and sulfur-containing reagent sodium mercaptide/dithioether under the action of air atmosphere and alkali; the construction process is completed by one-pot reaction, and the product aryl vinyl alkyl thioether compound is obtained. The aryl vinyl of the aryl vinyl alkyl thioether compound prepared by the method comes from aromatic aldehyde ketone, but a double-bond carbon atom is added compared with the original aromatic aldehyde ketone raw material, and the method has the advantages of wide and easily available raw material source, environmental protection, low price, simple operation and facilitation of industrial production.
Stereoselective heck reactions with vinyl sulfoxides, sulfides and sulfones
Bachmann, Daniel G.,Wittwer, Christopher C.,Gillingham, Dennis G.
supporting information, p. 3703 - 3707 (2014/01/06)
We report the Heck cross-coupling of notoriously unreactive, but synthetically valuable olefins: vinyl sulfoxides, vinyl sulfones, and vinyl sulfides. Key findings include the importance of the sterically hindered (tri-tert-butyl)phosphine ligand and the unique effectiveness of triethylamine as the base. The method is general, E-selective, and can be used to synthesize disubstituted or trisubstituted olefins through simple adjustments of stoichiometry. Copyright
Heck vinylations using vinyl sulfide, vinyl sulfoxide, vinyl sulfone, or vinyl sulfonate derivatives and aryl bromides catalyzed by a palladium complex derived from a tetraphosphine
Battace, Ahmed,Zair, Touriya,Doucet, Henri,Santelli, Maurice
, p. 3495 - 3505 (2008/02/10)
The adverse impact of sulfur compounds on catalytic performance is well known. The tetraphosphine cis,cis,cis-1,2,3,4-tetrakis[(diphenylphosphino) methyl]cyclopentane in combination with allylchloropalladium dimer affords an efficient catalyst for the Hec