2-Carbonyl-3-hydroxy-alkenonitriles, their use as anti-arthritic agents and processes for their preparation
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0016277A1
公开(公告)日:1980-10-01
There are disclosed 2-carbonyl- 3-hydroxy-2- alkenonit- riles, their use as anti-arthritic agents and processes for their preparation. The active compounds have the formula:
wherein
n is an integer from 1 to 3 inclusive;
M is hydrogen or a pharmaceutically acceptable cation;
R6 is an alkyl group of 1 to 4 carbons;
R" is one of the following aromatic groups:
(1) the group
in which R1, R2, R3, R4 and Ri are the same or different and are ) hydrogen, halogen, alkyl having up to 4 carbons, alkoxy having up to 4 carbons, trifluoromethyl or trichloromethyl, with the proviso that when m is the number 0 at least two of R1, R2, R3, R4 and R5 must be hydrogen;
(2) the thienyl moiety
wherein R, is hydrogen, an alkyl group of up to 3 carbons, fluorine, chlorine or bromine;
X is Ch2 0 or S and m is the number 0 or 1, provided that when R0 is a thienyl moiety then m is O; and the tautomers of the above compounds.
本研究公开了 2-羰基-3-羟基-2-烯腈、其作为抗关节炎剂的用途及其制备工艺。活性化合物具有如下式子
式中
n 是 1 至 3 的整数(含);
M 是氢或药学上可接受的阳离子;
R6 是 1 至 4 个碳原子的烷基;
R" 是下列芳香基团之一:
(1)
其中 R1、R2、R3、R4 和 Ri 相同或不同,并且是 )氢、卤素、最多 4 个碳原子的烷基、最多 4 个碳原子的烷氧基、三氟甲基或三氯甲基,但当 m 为数字 0 时,R1、R2、R3、R4 和 R5 中至少有两个必须是氢;
(2) 噻吩基
其中 R 是氢、最多 3 个碳原子的烷基、氟、氯或溴;
X 是 Ch2 0 或 S,m 是数字 0 或 1,但当 R0 是噻吩基时,m 是 O;以及上述化合物的同系物。