Product Details of 23002-78-0. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 1-(2-Methylthiazol-4-yl)ethanone, is researched, Molecular C6H7NOS, CAS is 23002-78-0, about Lipase kinetic enantiomeric resolution of 1-heteroarylethanols. Author is Kucher, Olexandr V.; Kolodyazhnaya, Anastasiya O.; Smolii, Oleg B.; Nazarenko, Nadiya K.; Kubyshkin, Vladimir; Mykhailiuk, Pavel K.; Tolmachev, Andrey A..
The use of lipases offers a simple and straightforward method toward various chiral secondary alcs. Here we examined the lipase resolution of 1-heteroarylethanols. Racemic substrates were subjected to a two step resolution strategy. The difference between the substituent sizes around the chiral fragment allowed the successful isolation of the (S)-alcs. with assistance of the Burkholderia cepacia lipase (ee ≥ 96%). The (R)-isomers were obtained after hydrolysis of the enantioenriched O-acetylated alcs. either with Candida antarctica lipase B or with potassium carbonate. The performance of the latter step was found to be substrate dependent.
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