申请人:Roussel Uclaf
公开号:US04900728A1
公开(公告)日:1990-02-13
Novel syn isomers of racemates and optical isomers of 3-amino-2-oxo-azetidine-1-sulfonic acids of the formula ##STR1## wherein R is selected from the group consisting of hydrogen linear or branched optionally substituted alkyl of 1 to 12 carbon atoms and optionally substituted alkenyl and alkynyl of 2 to 12 carbon atoms, R.sub.1 is --(CH.sub.2).sub.n --X, n is an integer from 1 to 4, X is selected from the group consisting of halogen, --CN, --OR', --SR.sub.1 ", azido, thiocyanate, isothiocyanate, and ##STR2## is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R" is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and a heterocycle and R' and R" are individiually selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms and taken together with the nitrogen to which they are attached form a heterocycle and A.sup.1 is selected from the group consisting of hydrogen, and metal cations and their nontoxic, pharmaceutically acceptable acid addition salts, the wavy line indicating the cis form, trans form or cis trans forms having antibiotic properties.
该专利描述了一种新型的对映异构体和光学异构体,其为3-氨基-2-氧代-氮杂丙酸-1-磺酸的衍生物。该化合物的结构式如下:其中R可选自以下组中的一种:氢、线性或支链的、可选择性地取代的1至12个碳原子的烷基,以及可选择性地取代的2至12个碳原子的烯基和炔基;R.sub.1为--(CH.sub.2).sub.n --X,n为1至4的整数,X可选自以下组中的一种:卤素、--CN、--OR'、--SR.sub.1 "、叠氮基、硫氰酸根、异硫氰酸根以及下列结构:其中##STR2##可选自以下组中的一种:氢和1至4个碳原子的烷基;R"可选自以下组中的一种:氢、1至4个碳原子的烷基和一个杂环;R'和R"各自可选自以下组中的一种:氢和1至4个碳原子的烷基,并且它们与它们所连接的氮原子一起形成一个杂环;A.sup.1可选自以下组中的一种:氢、金属阳离子及其无毒、药学上可接受的酸盐。波浪线表示顺式、反式或顺反式形式,具有抗生素属性。