A radical selenylative cyclization of trifluoromethyl propargyl imines with diselenides for the
regiodivergent construction of diversely functionalized azaspiro [4, 5]-tetraenones and …

A selenium radical triggered switchable ortho/ipso-cyclization cascade of N-aryl
alkynamides has been devised under metal-free conditions to access 3-selenyl quinolin-2 …

A cascade annulation of terminal alkynyl amides with diselenides leading to the construction
of 3-arylselenenyl spiro [4.5] trienones was realized under mild conditions with Selectfluor …

A visible-light induced dearomative cascade cyclization of biaryl ynones with diselenides
under photocatalyst and external additive-free conditions has been explored, giving a series …

A metal‐free radical spirocyclization of biaryl ynones with diselenides is developed,
providing selenated spiro [5.5] trienones in moderate to good yields. This protocol features …

Presented in this work is a novel methodology for the synthesis of selenated benzofurans (or
benzothiophenes) via AgNO2-catalyzed radical cyclization of 2-alkynylanisoles (or 2 …

A metal‐free oxidative radical cyclization/selenylation of propargylic aryl ethers with diaryl
diselenides was developed. This protocol provided an alternative method to synthesize 3 …

A practical and efficient synthetic route to construct a variety of 3-arylselenenyl/3-arylthio
spiro [4.5] trienones was developed using Selectfluor reagent as a mild oxidant. This …

We report herein an alternative method for the synthesis of seleno-dibenzocycloheptenones
and seleno-spiro [5.5] trienones through the radical cyclization of biaryl ynones in the …

Base-promoted cyclization of 3-organoselenyl-methylene-2-alkynyl aryl propargyl ethers
has been developed for the synthesis of 3-butylselanyl-methylene benzofurans, 3-methyl-2 …