6´-Aminocinchonidine (CAS-No. 2143936-34-7) is a new member of the Cinchona Alkaloid family. The additional primary...
Buchler Glossary
Tamura Cyclization
In the presence of a Cinchona squaramide-based catalyst, enolizable anhydrides react with alkylidene oxindoles to generate spirooxindole products with excellent enantio- and diastereocontrol.
Tamura cyclization examples catalyzed by cinchona alkaloid derivatives can be found in our free of charge Chiral Catalyst Search.
Example from Literature
Catalytic Asymmetric Tamura Cycloadditions. (Manoni, F., Connon, S. J.; Angew. Chem. Int. Ed. 2014, 53, 2628-2632.)
Further Articles:
6´-Aminodihydrocinchonidine (CAS-No. 107781-90-8)
6´-Aminodihydrocinchonidine Base (CAS-No. 107781-90-8) is a cinchona alkaloid closely related to 6´-Aminocinchonidine....
6´-Aminodihydrocinchonine (CAS-No. 911708-35-5)
6´-Aminodihydrocinchonine Base (CAS-No. 911708-35-5) is a cinchona alkaloid closely related to 6´-Aminocinchonine....
Alkynylation
Alkynylation is an addition reaction in organic synthesis where a terminal alkyne adds to a carbonyl group to form an...
Allylsilylations
Allylsilylations are performed between allylsilanes and aldehydes furnishes homo allyl alcohols. Using Cinchona...
Aminohydroxylation
The Sharpless Aminohydroxylation allows the syn-selective preparation of 1,2-amino alcohols by reaction of alkenes...