Preparation and reactions of optically active 6-(2,4-dimethoxybenzyl)-2-[(1', 2'-O-isopropylidene)ethyl]-4-methoxy-3-oxa-7-oxo-6-azabicyclo[3.2.0]heptane. Syntheses of 2-amino-2,3-dideoxy(branched-chain)sugar analoguesSHIOZAKI, M; ISHIDA, N.Chemistry Letters. 1987, Num 7, pp 1403-1406, issn 0366-7022Article

Stereocontrolled entry to 1-oxapenams and 1-oxacephems from carbohydratesCHMIELEWSKI, M; KAŁUZA, Z; ABRAMSKI, W et al.Tetrahedron letters. 1987, Vol 28, Num 26, pp 3035-3038, issn 0040-4039Article