A pharmaceutical formulation of a compound of formula (II') ##SPC1## wherein Y is a lower alkyl group, in association with a pharmaceutically acceptable carrier, as an antibacterial product, and methods involving the preparation and reductive cyclization of a compound of formula (IV) ##SPC2## wherein X is a lower alkyl group or a hydroxymethyl group.
一种药物配方,其化合物的结构式为(II') ##
SPC1##,其中Y是较低的烷基基团,与药学上可接受的载体结合,作为一种抗菌产品,并涉及制备和还原环化化合物的方法,其结构式为(IV) ##
SPC2##,其中X是较低的烷基基团或羟甲基基团。