Synthesis of (Z)-1-organylthiobut-1-en-3-ynes: hydrothiolation of symmetrical and unsymmetrical buta-1,3-diynes - Dabdoub, Miguel Joaquim; Dabdoub, Vânia B.; Lenardão, Éder João; Hurtado, Gabriela Ramos; Barbosa, Sandro L.; Guerrero Júnior, Palimécio Gimenes; Nazario, Carlos Eduardo D.; Viana, Luiz Henrique; Santana, Amanda S.; Baroni, Adriano Cesar de Morais (Synlett, 2009)