申请人:Roussel UCLAF
公开号:US04078078A1
公开(公告)日:1978-03-07
Novel xanthone-2-carboxylic acid compounds of the formula ##STR1## wherein A is selected from the group consisting of --COOR', a 1H-tetrazol-5-yl and a 1H-tetrazolylcarbamoyl, R' is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and cation of a non-toxic, pharmaceutically acceptable organic or inorganic base, R is selected from the group consisting of hydrogen, alkyl of 1 to 9 carbon atoms, alkoxy of 1 to 9 carbon atoms and alkoxy alkoxy of 2 to 9 carbon atoms and X is selected from the group consisting of ##STR2## AND ##STR3## WHEREIN R.sub.1 is alkyl of 1 to 5 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, acyl of an aliphatic acid of 1 to 5 carbon atoms, aroyl of 7 to 8 carbon atoms, araliphatic acyl with 1 to 5 carbon atoms in the aliphatic portion and 6 or 7 carbon atoms in the aryl portion, aralkyl of 7 to 8 carbon atoms, arylsulfonyl, a carbamoyl, a carboxyalkyl of 1 to 5 carbon atoms, --CO--(CH.sub.2).sub.n -- Het where n is 1,2 or 3 and Het is a N-attached nitrogen heterocyclic which may contain an additional heteroatom and ##STR4## AND Alk is alkyl of 1 to 5 carbon atoms and R.sub.3 is arylsulfonyl which possess anti-allergic properties and their preparation.
化合物的名称为黄木素-2-羧酸衍生物,其化学式为##STR1## 其中,A选择自--COOR',1H-四氮唑-5-基和1H-四氮唑基氨基甲酰,R'选择自氢,1至5个碳原子的烷基和非毒性、药学上可接受的有机或无机碱的阳离子,R选择自氢,1至9个碳原子的烷基,1至9个碳原子的烷氧基和2至9个碳原子的烷氧基烷氧基,X选择自##STR2## AND ##STR3## 其中,R.sub.1是1至5个碳原子的烷基,R.sub.2选择自氢,1至5个碳原子的脂肪酸酰基,7至8个碳原子的芳香酰基,脂肪族部分为1至5个碳原子,芳基部分为6或7个碳原子的芳基脂肪酰基,7至8个碳原子的芳基烷基,芳基磺酰基,氨基甲酰基,1至5个碳原子的羧基烷基,--CO--(CH.sub.2).sub.n -- Het,其中n为1、2或3,Het是N-连接的含有额外杂原子的氮杂环和##STR4## Alk是1至5个碳原子的烷基,R.sub.3是芳基磺酰基,具有抗过敏性质,可以通过特定方法制备。