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Various 3-(N-substituted amino)-1-isoindolenones were readily synthesized quantitatively by reactions of 2-cyanobenzaldehyde with amines at low temperature such as 20 °C.

Benzopentathiepins were synthesized by new reaction of 1,3-benzodithiole-2-thiones and 1,2-benzenedithiols with elemental sulfur/liquid ammonia at ambient temperature in high yields.

Many olefins trapped active sulfur species generated from 5H-benzo[f]-1,2,3,4-tetrathiepin (BTTP) or 6H-benzo[g]-1,2,3,4,5-pentathiocin (BPTC) in DMSO to give [2+3], [4+2], or [6+3] cycloadducts.