Thiono, Selenothiono, and Dithiocarboxylic Ester Complexes from Pentacarbonyl(thiobenzaldehyde)tungsten and π-Donor Substituted Alkynes and Decomplexation of the Esters

Thioselonocarboxylic Ester, Selenetane,

Thioselonocarboxylic Ester, Selenetane, and Dihydrodiselenine Complexes Prepared from Pentacarbonyl(selenobenzaldehyde)tungsten with π-Donor-Substituted Alkynes

✍ Fischer, Helmut ;Treier, Kornelia ;Troll, Carsten 📂 Article 📅 1995 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 848 KB

Pentacarbonyltungsten-coordinated selenobenzaldehyde, [(CO),W(Se=C(Ph)H)] (l), reacts with tBu-C=C-SMe (2) by insertion of the C=C into the Se=C bond to form in a highly regio-and stereoselective manner the a,P-unsaturated thioselonocarboxylic ester complex (Z ) 3). The thioselonocarboxylic ester