Phase-Transfer

Cinchonidine

Cinchonidine is a natural cinchona alkaloid extracted from cinchona bark. It is a versatile organocatalyst used in asymmetric phase-transfer catalysis, dihydroxylation, and …

Cinchonine

Cinchonine is a natural cinchona alkaloid and the pseudoenantiomer of cinchonidine. It serves as a chiral organocatalyst and resolving agent, frequently providing opposite …

Quinidine

Quinidine is a cinchona alkaloid and the pseudoenantiomer of quinine. It is widely used as a chiral organocatalyst in asymmetric synthesis and as a resolving agent for chiral …

Quinine

Quinine is a natural cinchona alkaloid with a methoxy-substituted quinoline ring system. It serves as a versatile bifunctional organocatalyst and is a benchmark catalyst for …