Tris(isopropylthio)cyclopropenylium perchlorate 1 reacts with sodium arylsulfinates 2a–d in dry acetonitrile and benzene under reflux to give arylsulfinylpropenethioates 3a–d, accompanied by the formation of arylsulfonylallenes 4a–d, through cyclopropene intermediates 5a–d and then vinylcarbenes 6a–d.
H. Kojima, K. Yamamoto, Y. Kinoshita and H. Inoue, J. Chem. Soc., Chem. Commun., 1993, 1674 DOI: 10.1039/C39930001674
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