ABSTRACT
A novel synthesis of cyclic ketene dithioacetals through the reaction between phosphorous-based ketenimines [generated in situ from Nef-isocyanide-Perkow reaction], cyclic 1,3-dicarbonyl compounds, and carbon disulfide at room temperature, in moderate to good yields (65–80%), is described.
GRAPHICAL ABSTRACT
![](/cms/asset/68c3b22b-d0a0-46f3-826e-8d096303cb86/gsrp_a_1347173_uf0001_b.gif)
Disclosure statement
No potential conflict of interest was reported by the authors.