申请人:Chen Bang-Chi
公开号:US20060142319A1
公开(公告)日:2006-06-29
The invention provides crystalline forms of 6-[(5S,9R)-9-(4-cyanophenyl)-3-(3,5-dichlorophenyl)-1-methyl-2,4-dioxo-1,3,7-triazaspiro[4.4]non-7-yl]nicotinic acid, its pharmaceutically acceptable salts, or solvates, thereof Further, a process is provided for preparing substituted spiro-hydantoin compounds of the formula I
wherein Z is N or CR
4b
; K and L are independently O or S; Ar is an optionally substituted aryl or heteroaryl; A
1
, A
2
, G, and Q are linkers; and R
2
, R
4a
, R
4c
, and R
16
are defined in the specification. The process includes the reaction of N-substituted glycine compound and methylene precursor compound with an alkene compound. The substituted spiro-hydantoin compounds of formulae I and II are useful in the treatment of immune and/or inflammatory diseases.
本发明提供了6-[(5S,9R)-9-(4-氰基苯基)-3-(3,5-二氯苯基)-1-甲基-2,4-二氧杂-1,3,7-三氮杂螺[4.4]壬-7-基]烟酸的晶体形式,其药学上可接受的盐或其溶剂。此外,还提供了一种制备式I的取代螺内酰脲化合物的方法,其中Z为N或CR4b;K和L独立地为O或S;Ar为可选的取代芳基或杂环芳基;A1、A2、G和Q为连接基;而R2、R4a、R4c和R16在规范中有定义。该方法包括将N-取代的甘氨酸化合物和亚甲基前体化合物与烯烃化合物反应。式I和式II的取代螺内酰脲化合物在治疗免疫和/或炎症性疾病方面是有用的。