A process is provided for preparing spiro-hydantoin compounds of the formula II
wherein Z is N or CR
4b
; K and L are independently O or S; Ar is an optionally substituted aryl or heteroaryl; A
2
is a linker, G′ is a linker; Q is a linker; and R
2
, R
4a
, R
4c
, and R
h
are defined in the specification. The process optionally includes the enantiomeric separation of intermediates to allow preparation of enantiomers of the spiro-hydantoin compounds of formula II. Substituted spiro-hydantoin compounds may be prepared from the spiro-hydantoin compounds of formula II. The spiro-hydantoin compound of formula II and the substituted spiro-hydantoin compounds are useful in the treatment of immune or inflammatory diseases. Also, provided are products made by the instant inventive process and crystalline forms (prepared by any process) of the substituted spiro-hydantoin compound, 5-[(5S,9R)-9-(4-Cyanophenyl)-3-(3,5-dichlorophenyl)-1-methyl-2,4-dioxo-1,3,7-triazaspiro[4.4]non-7-ylmethyl]-thiophene-3-carboxylic acid, including solvates and salts thereof, as well as methods of use thereof. Crystalline forms of certain intermediates are provided.
提供了一种制备式II的螺内酰
脲化合物的过程,其中Z为N或CR4b;K和L分别为O或S;Ar为可选取代的芳基或杂环芳基;A2为连接子,G'为连接子;Q为连接子;R2、R4a、R4c和R为规范中定义的。该过程可选择对中间体进行对映异构体分离,以允许制备式II的螺内酰
脲化合物的对映体。可从式II的螺内酰
脲化合物制备取代的螺内酰
脲化合物。式II的螺内酰
脲化合物和取代的螺内酰
脲化合物在治疗免疫或炎症性疾病中有用。此外,还提供了通过即时创新过程制备的产品和取代的螺内酰
脲化合物的晶体形式(通过任何过程制备),包括其溶剂化物和盐,以及其使用方法。提供了某些中间体的晶体形式。