Gao, Zhong-Hua N-Heterocyclic carbene-catalyzed [3+3] cyclocondensation of bromoenals with aldimines: highly enantioselective synthesis of dihydropyridinones. [electronic resource] - Chemical communications (Cambridge, England) Aug 2015 - 12040-3 p. digital Publication Type: Journal Article ISSN: 1364-548X Standard No.: 10.1039/c5cc04593b doi Subjects--Topical Terms: Bromine--chemistryCatalysisCrystallography, X-RayCycloaddition ReactionImines--chemical synthesisMethane--analogs & derivativesModels, MolecularPyridones--chemical synthesisStereoisomerism