Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The reaction of 4-phenyl- or (2-thienyl)-1,2,3-selenadiazoles with 10 equiv. of arylacetylenes leads to the formation of 2,5-diarylselenophenes in moderate to good yields and 1,4-diarylbuta-1,3-diynes as by-products. ... The reaction of 4-phenyl- or (2-thienyl)-1,2,3-selenadiazoles with 10 ...