Crystalline acid of lipoxin A4 analogs and method of making
申请人:Bartel Klaus
公开号:US20080182901A1
公开(公告)日:2008-07-31
This invention is directed to a crystalline acid of a lipoxin A
4
analog of Formula (II):
wherein:
R
1
is —O—, —S(O)
t
— (where t is 0, 1 or 2), or a straight or branched alkylene chain; and
R
2
is aryl (optionally substituted by one or more substituents selected from alkyl, alkoxy, halo, haloalkyl and haloalkoxy) or aralkyl (optionally substituted by one or more substituents selected from f alkyl, alkoxy, halo, haloalkyl and haloalkoxy);
and wherein the compound of Formula (II) is a single stereoisomer or any mixture of stereoisomers.
This crystalline acid is useful in treating disease-states characterized by inflammation, such as inflammatory and autoimmune disorders or pulmonary or respiratory tract inflammations in humans. Methods of preparing the crystalline acid are also described.