Claisen condensation the claisen condensation is an organic reaction used to form a carboncarbon bond between two ester molecules using an alkoxide base in alcohol to make a. The claisen condensation is the ester analogue of the aldol condensation. Because of this most crossed claisen reactions are usually not performed unless one reactant has no alpha hydrogens. Particulares efectuar una condensacion aldolica cruzada. An aldol condensation is a condensation reaction in organic chemistry in which an enol or an quantitative yields in.
Crossed claisen reactions in which both reactants can serve as donors and acceptors generally give complex mixtures. The libretexts libraries are powered by mindtouch and are supported by the department of education open textbook pilot project, the uc davis office of the provost, the uc davis library, the california state university affordable learning solutions program, and merlot. Claisen condensation reactions are performed by enzymes that are members of the thiolase superfamily based on a threedimensional fold first characterized in a degradative thiolase from saccharomyces cerevisiae. Descargue como doc, pdf, txt o lea en linea desde scribd. Biosintesis del colesterol y otros compuestos isoprenoides. Descargue como docx, pdf, txt o lea en linea desde scribd. Claisen condensation an overview sciencedirect topics. We also acknowledge previous national science foundation support under grant numbers 1246120, 1525057, and 14739. The claisen condensation is the ester analogue of the aldol condensation reagents. Carbonyl condensation reactions exercises chemistry. The claisen condensation is a carboncarbon bond forming reaction that occurs between two esters or one ester and another carbonyl compound in the. An aldol condensation is a condensation reaction in organic chemistry in which an enol or an quantitative yields in claisen.