2-Amino-1-(1,2-dioxolan-4-yl)ethanol compounds, their preparation and use
申请人:Shering Aktiengesellschaft
公开号:US04570007A1
公开(公告)日:1986-02-11
2-Amino-1-(1,3-dioxolan-4-yl)ethanol compounds of formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and can be hydrogen or a lower alkyl group of 1-4 carbon atoms; or when R.sup.2 is an alkyl group of 1-4 carbon atoms, R.sup.1 can also be an alkoxy group of 1-4 carbon atoms; or R.sup.1 and R.sup.2 combined form an alkylene residue of 5 or 6 carbon atoms, are especially suited as intermediates in the production of opacifying compounds useful in X-ray contrast media.