Lee, Minhan; Jung, Hoimin; Kim, Dongwook; Park, Jung-Woo; Chang, Sukbok published an article in Journal of the American Chemical Society. The title of the article was 《Modular Tuning of Electrophilic Reactivity of Iridium Nitrenoids for the Intermolecular Selective α-Amidation of β-Keto Esters》.Formula: C12H20O6 The author mentioned the following in the article:
Ir-catalyzed intermol. amino group transfer to β-keto esters (amides) to α-aminocarbonyl products with excellent chemoselectivity was reported. The key strategy was engineered electrophilicity of the putative Ir-nitrenoids by tuning electronic property of the κ2-N,O chelating ligands, thus facilitated nucleophilic addition of enol π-bonds of 1,3-dicarbonyl substrates. The results came from multiple reactions, including the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Formula: C12H20O6)
((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-II (CA-II). And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Formula: C12H20O6
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