50877-94-6Relevant articles and documents
A versatile approach to noncoded β-hydroxy-α-amino esters and α-amino acids/esters from morita-baylis-hillman adducts
Ullah, Hamid,Ferreira, Andr V.,Bendassolli, Jos A.,Rodrigues, Manoel T.,Formiga, Andr Luiz B.,Coelho, Fernando
, p. 113 - 123 (2015/02/02)
A simple and straightforward approach to the diastereoselective synthesis of noncoded β-hydroxy-α-amino esters from Morita-Baylis-Hillman (MBH) adducts is described. The strategy is based on a one-pot sequence involving an oxidative cleavage of the double bond of silylated Morita-Baylis-Hillman adducts, followed by the reaction with hydroxylamine hydrochloride/pyridine to form oximes. The stereoselective reduction of the oximes with the mixture MoCl5·nH2O/NaBH3CN led to the corresponding anti-β-hydroxy-α-amino esters in four steps in good overall yield and with diastereoselectivity higher than 95%. A slight modification of the synthetic approach has allowed for the racemic synthesis of a set of noncoded α-amino esters/acids and DOPA
Synthesis and crystal structure analysis of methyl 2-hydroxyimino-3-phenyl- propionate
Li, Xiao-Liu,Zhen, Xiao-Li,Han, Jian-Rong,Liu, Shouxin
experimental part, p. 870 - 873 (2010/06/17)
As precursors of α-amino acids, methyl 2-hydroxyimino-3-phenyl- propionate (F.W. 193.20) was synthesized, characterized by 1H NMR, IR, element analysis and confirmed by X-ray crystal structure analysis. This compound crystallizes in monoclinic
