The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5-(11bR)-Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin-4-yl-5H-dibenz[b,f]azepine( cas:1265884-98-7 ) is researched.Computed Properties of C34H22NO2P.Sempere, Yeshua; Carreira, Erick M. published the article 《Trimethyl Orthoacetate and Ethylene Glycol Mono-Vinyl Ether as Enolate Surrogates in Enantioselective Iridium-Catalyzed Allylation》 about this compound( cas:1265884-98-7 ) in Angewandte Chemie, International Edition. Keywords: trimethyl orthoacetate allylic carbonate iridium catalyst enantioselective allylation; unsaturated ester stereoselective preparation; ethyleneglycol vinyl ether allylic carbonate iridium catalyst enantioselective allylation; protected aldehyde stereoselective preparation; conical formal enantioselective synthesis; allylation; asymmetric catalysis; iridium; total synthesis; trimethyl orthoacetate. Let’s learn more about this compound (cas:1265884-98-7).
Tri-Me orthoacetate and ethylene glycol mono-vinyl ether are employed in iridium-catalyzed enantioselective allylation reactions. The method documented enables their convenient use as surrogates for silyl ketene acetals and silyl enol ethers to prepare γ,δ-unsaturated esters and protected aldehydes with excellent enantioselectivity. The utility of this novel method has been demonstrated by its implementation in a formal enantioselective synthesis of the meroterpenoid (+)-conicol.
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Reference:
1,3-Benzodioxole – Wikipedia,
Dioxole | C3H4O2 – PubChem