Switching of stereoselectivity: dramatic effects of HMPA on the stereoselectiviy of cyclopropanation reaction of silylated tellronium allylide with a,b-unsaturated esters and amides

A practical catalytic Wittig-type reaction

Highly diasteraoselective synthesis of trimethylsilylvinyl-cyclopropane derivatives

An unexpected catalyst for Wittig-type reaction and dehalogenation reaction

Telluronium ylides in cyclopropanation and catalytic olefination

Wittig-type olefination catalyzed by PEG-telluride

Side-arm effect: improvement of the enantiomeric excess in the asymmetric Michael addition of indoles to alkylidene malonates

A novel chiral sulfonium yilde: highly enantioselective synthesis of vinylcyclopropanes

Controllable diastereoselective cyclopropanation. enantioselective synthesis of vinylcyclopropanes via chiral telluronium ylides

Chiral tris(oxazoline)/Cu(II) catalyzed coupling of terminal alkynes and nitrones

A facile tetrahydrothiophene-catalyzed ylide route to vinyloxiranes

An efficient catalytic ylide route to vinyl epoxides