R. Steudel et al., Synthesis and crystal structure of [Fe(C5H4)(2)S3O]: The first organometallic trisulfane oxide, ORGANOMETAL, 18(15), 1999, pp. 2910-2911
The reaction of 1,1'-ferrocenylene dithiol with thionyl chloride and pyridi
ne at 20 degrees C yields 1,1'-(1,2,3-trithia[3])ferrocenophane-2-oxide 1,
which can easily be reduced to the corresponding trisulfane.