197916-36-2Relevant articles and documents
Expanding dynamic kinetic protocols: Transaminase-catalyzed synthesis of α-substituted β-amino ester derivatives
Cuetos, Anibal,Lavandera, Ivan,Gotor, Vicente
supporting information, p. 10688 - 10690 (2013/11/06)
Several α-alkylated β-amino esters have been obtained via DKR processes employing a kit of transaminases and isopropylamine as an amino donor in aqueous medium under mild conditions. Thus, while acyclic α-alkyl-β-keto esters afforded excellent conversions and enantioselectivities, although usually low diastereoselectivities, using more constrained cyclic β-keto esters high to excellent inductions were obtained.
Intramolecular ester enolate-imine cyclization reactions for the asymmetric synthesis of polycyclic β-lactams and cyclic β-amino acid derivatives
Evans, Caroline D.,Mahon, Mary F.,Andrews, Philip C.,Muir, James,Bull, Steven D.
, p. 6276 - 6279 (2012/02/01)
Enolates of chiral N-(α-methyl-p-methoxybenzyl)-ω-imino-esters undergo intramolecular cyclization reactions to afford (syn)-aza-anions of β-amino esters in high dr that cyclize to afford N-(α-methyl-p- methoxybenzyl)-β-lactams that can be readily deprotec
The first direct enzymatic hydrolysis of alicyclic β-amino esters: A route to enantiopure cis and trans β-amino acids
Forro, Eniko,Fueloep, Ferenc
, p. 6397 - 6401 (2008/02/13)
The first direct enzymatic method is reported for the synthesis of cis and trans βamino acid enantiomers through the lipase-catalyzed enantioselective hydrolysis of alicyclic β esters in organic media. High enantioselectivities (E usually > 001) were observed when the Candida antarctica lipase B catalyzed reactions were performed with H2O (0.5 equivalents) in iP iPr2O at 5°C. The resolved products, obtained in good yields (≥42%), could be easily separated.