96025-23-9Relevant academic research and scientific papers
Remote Arylative Substitution of Alkenes Possessing an Acetoxy Group via β-Acetoxy Elimination
Kakiuchi, Fumitoshi,Kochi, Takuya,Kumagai, Takaaki,Muto, Kazuma
supporting information, p. 24500 - 24504 (2021/10/19)
Palladium-catalyzed remote arylative substitution was achieved for the reaction of arylboronic acids with alkenes possessing a distant acetoxy group to provide arylation products having an alkene moiety at the remote position. The use of β-acetoxy elimination as a key step in the catalytic cycle allowed for regioselective formation of unstabilized alkenes after chain walking. This reaction was applicable to various arylboronic acids as well as alkene substrates.
Molybdenum-Catalyzed Stereospecific Deoxygenation of Epoxides to Alkenes
Asako, Sobi,Sakae, Takahisa,Murai, Masahito,Takai, Kazuhiko
supporting information, p. 3966 - 3970 (2016/12/30)
Mild and simple catalytic systems consisting of molybdenum(VI) dichloride dioxide [MoO2Cl2] as a catalyst and a phosphine as reductant have been developed for the stereospecific deoxygenation of epoxides to alkenes. The reactions using 1,2-bis(diphenylphosphino)ethane (dppe) and triphenylphosphine (PPh3) proceed with retention and inversion of stereochemistry, respectively. The mild reaction tolerates the presence of various functional groups and affords stereodefined substituted olefins in good yields. (Figure presented.).
Simple protocol for enhanced (E)-selectivity in Julia-Kocienski reaction
Pospí?il, Ji?í
supporting information; experimental part, p. 2348 - 2352 (2011/05/16)
A short and efficient Julia-Kocienski olefination protocol, based upon the use of chelating agents (18-crown-6 or TDA-1 for K+; 12-crown-4 or HMPA for Li+), was developed. This protocol enhances the (E)-selectivity of the reaction an
Superbase-promoted rearrangement of oxiranes to cyclopropanes
Mordini, Alessandro,Peruzzi, Daniela,Russo, Francesco,Valacchi, Michela,Reginato, Gianna,Brandi, Alberto
, p. 3349 - 3360 (2007/10/03)
Aryl- and alkenyl substituted oxiranes, when submitted to treatment with superbasic reagents, undergo a highly regio- and stereoselective rearrangement leading to cyclopropylmethanol derivatives. The process can also be applied to mono- and dihydroxy subs
The Heterogeneous Catalytic Hydrogenation of Cumulated Allene-cyclopropanes: 1-(2'-Methylpropenylidene)-2-phenylcyclopropane.
Cromble, Leslie,Fernando, Candida E. C.
, p. 1519 - 1537 (2007/10/03)
The unsymmetrical title compound 2 having phenyl as an activating substituent was hydrogenated in heterogeneous solution phase using supported platinum and palladium as well as Raney nickel catalysts. Data are presented graphically using 'snapshot analysi
