1380676-41-4Relevant articles and documents
Copper-catalyzed complete regio- and stereoselective cyclization of 1-aryl-3-sulfanyl-4-oxahepta-1,6-diynes triggered by alkynylation
Yoshimatsu, Mitsuhiro,Sasaki, Hitomi,Sugimoto, Yuko,Nagase, Yuya,Tanabe, Genzoh,Muraoka, Osamu
supporting information; experimental part, p. 3190 - 3193 (2012/08/07)
Copper(I)-catalyzed alkynylation-cyclization of 4-oxahepta-1,6-diynes 1 with a wide variety of terminal alkynes proceeded to give (3E,4Z)-3- (phenylsulfanylmethylene)-4-(2-propynylidene)tetrahydrofuran-2-yl]benzenes 2aa-he in high yields with complete regio- and stereoselectivity.