Asymmetric organic catalysis with modified cinchona alkaloids

Article Abstract:

Experiments to study the potential of modified cinchona alkaloids as broadly useful chiral organic catalysts for asymmetric synthesis are analyzed. This has led to the development of a wide variety of new, highly enantioselective, general, and clean catalytic reactions.

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Crystalline host-guest assemblies of steroidal and related molecules: Diversity, hierarchy, and supramolecular chirality

Article Abstract:

The steroidal bile acids and their derivatives which give crystalline molecular assemblies with overwhelmingly diverse structures leading to the novel concept of diversity, hierarchy, and supramolecular chirality are demonstrated.

Observations, Chirality, Crystallography, Bile acids, Structure

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The enantioselective synthesis of alpha-amino acids by phase-transfer catalysis with achiral Schiff base esters

Article Abstract:

Phase-transfer catalysts derived from the Cinchona alkaloids are exploited as inexpensive and attractive organocatalysts in the chiral PTC(phase-transfer catalysis) process.

Amino acids

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