161688-97-7Relevant articles and documents
Enantioselective Synthesis of β-Amino Acids. 5. Stereoselective Reaction of Chiral Pyrimidinone Enolates with Aldehydes
Murer, Peter,Rheiner, Beat,Juaristi, Eusebio,Seebach, Dieter
, p. 319 - 344 (2007/10/02)
Hydro-pyrimidinones ((2S,6R)-3) and ((2S)-6) were prepared from methyl crotonate via 3-aminobutanoate, and their corresponding lithium enolate and dienolate derivatives were added to various aldehydes.The high regio- and stereoselectivities observed in these aldol reactions pave the road for the preparation of enantiomerically pure β-hydroxy-β'-amino acids.The structures of the products were confirmed by X-ray crystal structure analysis (eight examples).