Asymmetric oxohydroxylation of α-alkyl enoates with potassium permanganate catalyzed by monocationic quaternary...
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:
(DHQ)2PHAL (CAS-No. 140924-50-1)
(DHQ)2PHAL - Dihydroquinine 1,4-phthalazinediyl diether (CAS-No. 140924-50-1) The well-known Cinchona alkaloid...
(DHQD)2PHAL (CAS-No. 140853-10-7)
(DHQD)2PHAL - Dihydroquinidine 1,4-phthalazinediyl diether (CAS-No. 140853-10-7) The well-known Cinchona alkaloid...
1,2-Addition
1,2-Addition is a type of organic chemical reaction that involves the addition of functional groups to the 1st and 2nd...
1,4-Addition (conjugate addition)
The Michael reaction is the conjugate 1,4-Addition of a resonance stabilized carbanion (michael donor) to an activated...
6`-Aminocinchonine (CAS-No. 2143936-31-4)
6´-Aminocinchonine Base (CAS-No. 2143936-31-4), a pseudoenantiomer of 6´-Aminocinchonidine, has the same...