Sumários

Alcohols and ketones oxidation

6 Dezembro 2018, 16:00 Luísa Margarida Martins

Catalytic oxidations of primary and secondary alcohols. Anelli oxidation; nitroxyl radicals. Metal/TEMPO-catalyzed aerobic oxidation of alcohols. Catalytic cycles and application examples. Chemoselectivity. Microwave assisted oxidations of alcohols. Reaction mechanism. Sustainable approaches for the oxidation of alcohols. Baeyer-Villiger oxidation of ketones; peracid oxidants and Criegee's mechanism. Metal catalyzed Baeyer-Villiger oxidation of ketones. Mechanism and examples. Exercises.


C-C Coupling

4 Dezembro 2018, 16:30 Luísa Margarida Martins

C-C homo-coupling and cross-coupling. Catalytic cycles and application examples of Mizoroki- Heck, Suzuki-Miyaura, Stille, Hartwig-Buchwald, Negishi, Sonogashira and Henry C-C couplings. Descarboxylative C-C cross-coupling. Exercises.


Hydroformylation

29 Novembro 2018, 16:00 Luísa Margarida Martins

Hydroformylation of olefins. Alkenes  and catalysts relative reactivity. Cobalt vs. rhodium catalysts: catalytic cycles. Regioselectivity and chemoselectivity. Ligands effects. Exxon, Shell, LPO process and Ruhchemie/Rhône-Poulen processes. Assymetric hydroformylation of alkenes. BASF process. Exercises.


Carbonylation

27 Novembro 2018, 16:30 Luísa Margarida Martins

Carbonylation of alcohols. Acetic acid industrial production: BASF, MONSANTO and CATIVA processes; catalytic cycles and operation conditions. Industrial production of acetic anhydride; catalytic cycle. Carbonylation of higher alcohols. Hydrocarboxylations and  alcoxicarbonylations of  alkenes. BASF and Lucite Alpha processes. Carbonyation of acetylene; catalytic cycle. Exercises.


Zeolites and Catalysis by Zeolites

8 Novembro 2018, 16:00 Carlos Manuel Faria de Barros Henriques

Zeolites and Catalysis by Zeolites (II)