Hydrotelluration of acetylenes: synthesis of vinylic tellurides, divinyl tellurides, and 1- (organyltelluro) -1,3-butadienes - Barros, S M; Dabdoub, Miguel Joaquim; Dabdoub, Vania Maria Brugnara; Comasseto, João Valdir (Organometallics, 1989)