139190-71-9Relevant academic research and scientific papers
Effective and mild method for preparation of optically active α-amino aldehydes via TEMPO oxidation
Jurczak, Janusz,Gryko, Dorota,Kobrzycka, Elzbieta,Gruza, Henryk,Prokopowicz, Piotr
, p. 6051 - 6064 (2007/10/03)
The TEMPO oxidation method is successfully applied to preparation of variously protected, optically active α-amino aldehydes without racemization and in very good yield.
Diastereoselective addition of vinylmagnesium halides to variously N-mono- and N,N-diprotected L-alaninals
Gryko, Dorota,Urbanczyk-Lipkowska, Zofia,Jurczak, Janusz
, p. 4059 - 4067 (2007/10/03)
Diastereoselective C2-elongation processes of N-mono- 1a-c and N,N-diprotected 1d-f L-alaninals, using vinylmagnesium bromide and chloride, are described. A substantial difference between effects of the N-protecting groups replacing either one
Synthesis of α-amino and α-alkoxy aldehydes via oxoammonium oxidation
Leanna,Sowin,Morton
, p. 5029 - 5032 (2007/10/02)
Oxoammonium oxidation (TEMPO, 1) of various optically active α-amino and α-alkoxy alcohols affords the corresponding aldehydes in good yield and high enantiomeric purity.
On the stereochemical divergence in the conjugate addition of lithium dimethylcuprate/trimethylsilyl chloride to γ-alkoxy and γ-ureido α,β-unsaturated esters
Hanessian,Sumi
, p. 1083 - 1089 (2007/10/02)
A comparative study was made of the reaction of chiral nonracemic γ-alkoxy and γ-ureido-α,β-unsaturated esters with lithium dimethylcuprate in the presence of trimethylsilyl chloride. The possible origins of the anti- and syn-additions respectively are di
