The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: (11bR)-N,N-Bis[(1R)-1-phenylethyl]dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-amine, is researched, Molecular C36H30NO2P, CAS is 415918-91-1, about Regioselective and enantioselective iridium-catalyzed allylation of enamines, the main research direction is alkenyl carbonate enamine allylation iridium; allylated ketone regioselective asym preparation; iridium regioselective asym allylation catalyst.Electric Literature of C36H30NO2P.
A highly enantioselective and regioselective monoallylation of the enamines of Me ketones has been developed. After hydrolysis of the enamine (NaOAc/AcOH(aq)), the desired allylated ketones were obtained in high yields with high branched-to-linear selectivity and high enantioselectivities. The reactions occurred within hours at room temperature and encompass the reactions of aromatic and aliphatic Me ketone derivatives The enamines of Me alkyl ketones, which exist as a mixture of two regioisomers, reacted selectively at the less hindered position. The use of a preformed cyclometalated iridium catalyst, iso-Pr carbonates, toluene solvent, and ZnCl2 as an alc. adsorbent was important for the development of this process.
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Reference:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics