The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Bis(norbornadiene)rhodium (I) tetrafluoroborate( cas:36620-11-8 ) is researched.Category: quinuclidine.Lang, Qiwei; Yang, Huaxin; Gu, Guoxian; Feng, Qiang; Wen, Jialin; Zhang, Xumu published the article 《Enantioselective Hydrogenation of Endocyclic Enones: the Solution to a Historical Problem》 about this compound( cas:36620-11-8 ) in Chinese Journal of Chemistry. Keywords: cyclopentenone rhodium catalyst enantioselective chemoselective hydrogenation; cyclopentanone preparation. Let’s learn more about this compound (cas:36620-11-8).
Herein, an efficient method to reduce endocyclic enones with mol. hydrogen was reported. Catalyzed by a rhodium/Zhaophos complex, a variety of enones with five-, six- or seven-member ring were hydrogenated with high enantioselectivity (92%-99% ee). Excellent chemo- and enantioselectivity demonstrated this method was successfully applied in the enantioselective hydrogenation of citral to produce enantio-enriched citronellal.
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Quinuclidine – Wikipedia,
Quinuclidine | C7H13N | ChemSpider