106895-97-0Relevant academic research and scientific papers
Sulfonium Ylides by (3+2) Cycloaddition of Arynes with Vinyl Sulfides: Stereoselective Synthesis of Highly Substituted Alkenes
Li, Yuanming,Mück-Lichtenfeld, Christian,Studer, Armido
supporting information, p. 14435 - 14438 (2016/11/11)
The reaction of in situ generated arynes with vinyl sulfides provides benzannulated sulfonium ylides in a (3+2) cycloaddition. Trapping of the intermediate ylides with electrophiles (proton transfer or a second aryne addition) and subsequent β-elimination give rise to di-, tri-, or tetrasubstituted alkenes with high stereoselectivity. Experimental studies and DFT calculations provide insight into the mechanisms of these cascade reactions.
Heck reaction catalyzed by phospha-palladacycles in non-aqueous ionic liquids
Herrmann, Wolfgang A.,Boehm, Volker P.W.
, p. 141 - 145 (2007/10/03)
Phospha-palladacycles are among the most powerful palladium catalyst systems for the Heck reaction. We have shown the use of non-aqueous ionic liquids (NAILs) as an alternative to traditional molecular solvents for this reaction, with the phospha-palladacycle catalysts resulting in easy product separation, possible catalyst recycling and further increases in catalyst productivity. Preliminary results obtained with bromo- and chloro arenes are presented.
Intramolecular Cyclization of ethenes. Synthesis and Crystal Structure of 1-Arylbenzothiophenium Salts
Kitamura, Tsugio,Soda, Shin-ichi,Kawasato, Hironobu,Taniguchi, Hiroshi,Shiro, Motoo
, p. 5055 - 5066 (2007/10/02)
Novel 1-arylbenzothiophenium salts (4) are prepared by bromine-induced intramolecular cyclization of ethenes (3).The substituent and solvent effects on the formation of the 1-arylbenzothiophenium salts 4 are described.The reactio
