申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0009227A1
公开(公告)日:1980-04-02
Compounds of the formula
wherein
R is selected from the group consisting of hydrogen, alkyl of 1-10 carbon atoms, allyl, methylallyl, dimethylallyl, cycloalkylmethyl of 4-7 carbon atoms, 2-furanylmethyl, 2-tetrahydrofuranylmethyl, 2-thienylmethyl, 2-thienylethyl and phenylethyl which may be ring substituted with chloro, bromo, fluoro, methoxy or 1-3 carbon alkyl substituents;
Y is H or R';
R' is selected from the group consisting of alkyl of 1-4 carbons and alkanoyl of 1-12 carbons;
R2 is selected from the group consisting of hydrogen, hydroxy and alkanoate of 1-4 carbons;
n is 1 or 2; and
a is a 6,7 double bond when n = 1, and a single bond when n = 2;
and pharmaceutically acceptable salts of the compounds.
式中的化合物
式中
R 选自氢、1-10 个碳原子的烷基、烯丙基、甲基烯丙基、二甲基烯丙基、4-7 个碳原子的环烷基甲基、2-呋喃基甲基、2-四氢呋喃基甲基、2-噻吩基甲基、2-噻吩基乙基和苯基乙基(可被氯、溴、氟、甲氧基或 1-3 个碳原子的烷基取代基环状取代);
Y 是 H 或 R';
R' 选自 1-4 碳的烷基和 1-12 碳的烷酰基组成的组;
R2 选自氢、羟基和 1-4 碳的烷酸酯组成的组;
n 是 1 或 2;以及
当 n = 1 时,a 为 6、7 双键,当 n = 2 时,a 为单键;
以及这些化合物的药学上可接受的盐类。