The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Lipase kinetic enantiomeric resolution of 1-heteroarylethanols》. Authors are Kucher, Olexandr V.; Kolodyazhnaya, Anastasiya O.; Smolii, Oleg B.; Nazarenko, Nadiya K.; Kubyshkin, Vladimir; Mykhailiuk, Pavel K.; Tolmachev, Andrey A..The article about the compound:1-(2-Methylthiazol-4-yl)ethanonecas:23002-78-0,SMILESS:CC(C1=CSC(C)=N1)=O).Quality Control of 1-(2-Methylthiazol-4-yl)ethanone. Through the article, more information about this compound (cas:23002-78-0) is conveyed.
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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