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 Regio- and Enantioselective Iridium-Catalyzed Intermolecular Allylic Etherification of Achiral Allylic Carbonates with Phenoxides, the main research direction is ether aromatic allylic enantioselective regioselective preparation; carbonate allylic achiral stereoselective regioselective allylic etherification phenoxide; iridium phosphoramidite complex enantioselective regioselective intermol allylic etherification catalyst.SDS of cas: 415918-91-1.
An enantioselective and regioselective iridium-catalyzed allylic etherification is described. The reaction of sodium and lithium phenoxides R1OM (R1 = Ph, 2-MeC6H4, 4-MeOC6H4, 3-Me2NC6H4, etc.; M = Li, Na) with achiral allylic carbonates (E)-R2CH:CHCH2OCO2R3 (R2 = Pr, Ph, 2-MeOC6H4, 4-MeOC6H4; R3 = Me, Et) in the presence of 2 mol % of an iridium-phosphoramidite complex provides chiral allylic aryl ethers R2CH(OR1)CH:CH2 in high yields and with excellent levels of regio- and enantioselectivity. Lithium phenoxides containing a single substituent at an ortho, meta, or para position as well as sterically hindered phenoxides were tolerated. Reactions in THF displayed the most suitable balance of rate, regio-, and enantioselectivity.
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Reference:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics