A series of N-hydroxyamino acids and their esters (9a, b, d-k) coupled with N-hydroxyglycinamide (9c) were synthesized through facile preparations of N-furfurylidenealkoxy (and hydroxy) carbonylalkylamine N-oxides (7a, b, d-g) and N-furfurylidenecarbamoylmethylamine N-oxide (7c) followed by hydrolysis. The method was applied to the syntheses of emimycin (1) and hadacidin monosodium salt (2b).
STELEOSELECTIVE REDUCTION OF RACEMIC<i>N</i>-HYDROXYAMINO ACIDS BY OPTICALLY ACTIVE THIOLS-IRON(II)
作者:Yoko Nambu、Takeshi Endo
DOI:10.1246/cl.1985.999
日期:1985.7.5
Kinetic resolution of racemic N-hydroxyamino acids by the reduction with opticallyactive thiols and a catalytic amount of ferrous ion gave opticallyactive amino acids presumably through enantiodifferentiating coordination of substrates to thiol-Fe(II) complexes.