Chemical engineers ensure the efficiency and safety of chemical processes, adapt the chemical make-up of products to meet environmental or economic needs, and apply new technologies to improve existing processes. Reference of 497-25-6. Introducing a new discovery about 497-25-6, Name is Oxazolidin-2-one
The alkylation reactions of enolates derived from the highly diastereoselective conjugate additions of lithium (R)-N-benzyl-N-alpha-methylbenzylamide (R)-1 to N,N-dimethyl crotonamide 2 and N,N-dimethyl cinnamide 3 have been investigated.The alkylations of enolates derived from 3 are shown to afford anti-alpha-alkyl-beta-amino carboxamides with excellent stereocontrol: the stereochemistry is assigned with the aid of a single crystal X-ray structure of (2R,3S,alphaR)-N,N-dimethyl-2-benzyl-3-phenyl-3-(N-benzyl-N-alpha-methylbenzylamino)propanamide (2R,3S,alphaR)-10.As a result of the difficulty encountered is hydrolysing these hindered beta-amino amides such as 10, an alternative procedure is developed involving conjugate addition-alkylations with alpha,beta-unsaturated N-acyloxazolidin-2-ones as substrates, giving selectively alkylated products which are susceptible to reductive cleavage.
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H475NO – PubChem