204990-96-5Relevant articles and documents
Enantiopure D-, L- (and 2-epi-) purpurosamine C-type glycosyl donors from racemic acrolein dimer - Biocatalytic resolution
Erbeck, Silke,Liang, Xifu,Krieger, Richard,Prinzbach, Horst
, p. 481 - 492 (2007/10/03)
Both enantiomers of purpurosamine C-type glycosyl donors [(ent)-9, (ent)-10, (ent)-11] and of a 2-azido epimer [(ent)-14] with a modified pattern of protecting groups have been prepared from racemic 3,4-dihydro-2H-pyran-2-carbalde-hyde (acroiein dimer, rac-1, "indirect aziridination", "azidonitration"). In two cases (rac-23β: methyl 6-O-acetyl-2,3,4-trideoxy-2α-trifluoroacetylamino-β-D/L- hexopyranoside, rac-32 : methyl 6-O-acetyl-2β-azido-2,3,4-trideoxy-β-D/L-hexopyranoside), efficient resolution has been achieved biocatalytically.