157398-92-0Relevant articles and documents
Enantioselective Three-Component Fluoroalkylarylation of Unactivated Olefins through Nickel-Catalyzed Cross-Electrophile Coupling
Tu, Hai-Yong,Wang, Fang,Huo, Liping,Li, Yuanbo,Zhu, Shengqing,Zhao, Xian,Li, Huan,Qing, Feng-Ling,Chu, Lingling
supporting information, p. 9604 - 9611 (2020/07/14)
A nickel-catalyzed, enantioselective, three-component fluoroalkylarylation of unactivated alkenes with aryl halides and perfluoroalkyl iodides has been described. This cross-electrophile coupling protocol utilizes a chiral nickel/BiOx system as well as a pendant chelating group to facilitate the challenging three-component, asymmetric difunctionalization of unactivated alkenes, providing direct access to valuable chiral β-fluoroalkyl arylalkanes with high efficiency and excellent enantioselectivity. The mild conditions allow for a broad substrate scope as well as good functional group toleration.
[Pd(μ-Br)(PtBu3)]2 as a highly active isomerization catalyst: Synthesis of enol esters from allylic esters
Mamone, Patrizia,Gruenberg, Matthias F.,Fromm, Andreas,Khan, Bilal A.,Goossen, Lukas J.
supporting information; experimental part, p. 3716 - 3719 (2012/09/08)
The dimeric Pd(I)-complex [Pd(μ-Br)(PtBu3)] 2 was found to be highly active for catalyzing double-bond migration in various substrates such as unsaturated ethers, alcohols, amides, and arenes, under mild conditions. It efficiently mediates the conversion of allylic esters into enol esters, rather than inserting into the allylic C-O bond. The broad applicability of this reaction was demonstrated with the synthesis of 22 functionalized enol esters.
Carbonylation of aryl chlorides with oxygen nucleophiles at atmospheric pressure. Preparation of phenyl esters as acyl transfer agents and the direct preparation of alkyl esters and carboxylic acids
Watson, Donald A.,Fan, Xuexiang,Buchwald, Stephen L.
supporting information; experimental part, p. 7096 - 7101 (2009/05/09)
(Chemical Equation Presented) A mild, functional group tolerant method of the preparation of phenyl esters from aryl chlorides via palladium-catalyzed carbonylation is described using atmospheric pressure of carbon monoxide. Phenyl esters are shown to be useful acylating agents, delivering libraries of carbonyl derivatives, including alkyl, allyl and thioesters, under very mild conditions. Direct preparation of alkyl esters and carboxylic acids is also demonstrated, providing the first method for the preparation of methyl and ethyl esters from aryl chlorides without pressured reactors.
THE SYNTHESIS, CHARACTERISATION AND REACTIVITY OF SOME LEAD(IV) CARBOXYLATES
Buston, Jonathan E. H.,Coop, Andrew,Keady, Richard,Moloney, Mark G.,Thompson, Russell M.
, p. 1101 - 1116 (2007/10/02)
A detailed examination of the preparation, characterisation and reactivity of a range of lead(IV) carboxylates is reported.The replacement of the acetate ligands of lead(IV) tetraacetate by other carboxylates gives the lead(IV) tetracarboxylates 1-16, which have usually been found to be more stable than lead tetraacetate with respect to hydrolysis.These compounds react with allyltributylstannane to give high yields of the corresponding allyl esters 20-34 under mild conditions.
