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Recent advances in synthetic methods for the direct α-functionalization of saturated cyclic amines are described. Methods are… Expand A highly diastereoselective methodology for the preparation of various substituted piperidines via Negishi cross-couplings with… Expand The eco-friendly and highly diastereoselective synthesis of substituted cis-2,6-piperidines and cis-2,6-tetrahydropyrans is… Expand The synthesis of pharmaceutically active compounds bearing a disubstituted piperidine framework is reviewed. Due to their… Expand A new ruthenium-catalyzed direct sp3 C-H to C-C bond transformation is disclosed. Specifically, a method for the alpha-arylation… Expand A diverse array of biologically active, lipid-soluble alkaloids have been discovered in amphibian skin. Such alkaloids include… Expand [reaction: see text]. The cyclization of aminoalkenes bearing an electron-withdrawing group on the nitrogen atom was catalyzed by… Expand A method for the diastereoselective synthesis of 2,4-disubstituted piperidines has been developed which enables the complete… Expand Reaction of (R)-phenylglycinol with methyl 5-oxopentanoate gave either bicyclic lactam cis-1 (the kinetic product) or its isomer… Expand Cutaneous granular glands are a shared character of adult amphibians, including caecilians, and are thought to be the source of… Expand