申请人:Roussel Uclaf
公开号:US04152432A1
公开(公告)日:1979-05-01
Compounds of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and groups easily removable by acid hydrolysis or hydrogenolysis, R' is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, alkenyl and alkynyl of 2 to 4 carbon atoms and groups easily removable by acid hydrolysis or hydrogenolysis, A is selected from the group consisting of hydrogen, alkali metal and equivalents of an alkaline earth metal or magnesium and an organic amine base with the proviso that when R' is a group easily removable by acid hydrolysis or hydrogenolysis, R is also and when R' is hydrogen, R also is hydrogen and the wavy line means the OR' group may be in either one of the two possible syn or anti positions having antibiotic activity and process for their preparation.
式为##STR1##的化合物,其中R从氢和易于酸水解或氢解的基团中选择,R'从氢、1至4个碳原子的烷基、2至4个碳原子的烯基和炔基以及易于酸水解或氢解的基团中选择,A从氢、碱金属和碱土金属或镁的当量物以及有抗生素活性的有机胺基中选择,但当R'是易于酸水解或氢解的基团时,R也是如此;当R'是氢时,R也是氢;波浪线表示OR'基团可以处于两种可能的同构或反构位置之一,具有抗生素活性和其制备方法。