申请人:Merck Patent Gesellschaft mit beschränkter Haftung
公开号:US06812353B2
公开(公告)日:2004-11-02
Chromanone derivatives of the formula I
in which
R1 to R4 are each, independently of one another, H, A, CN, Hal, OR5, COOR5, CF3, OCF3, NO2, Ar, OAr, N(R5)2 or CON(R5)2,
R5 is H or A,
A is alkyl having 1 to 6 carbon atoms,
Ar is phenyl which is unsubstituted or substituted by A, OR5, CN, Hal, CF3, OCF3, NO2 or N(R5)2,
Hal is F, Cl, Br or I,
and their salts, are suitable as intermediates in the synthesis of medicaments.
化合物I的衍生物,其中R1到R4分别独立地为H、A、CN、Hal、OR5、COOR5、CF3、OCF3、NO2、Ar、OAr、N(R5)2或CON(R5)2,R5为H或A,A为具有1至6个碳原子的烷基,Ar为未取代或取代为A、OR5、CN、Hal、CF3、OCF3、NO2或N(R5)2的苯基,Hal为F、Cl、Br或I,以及它们的盐,在药物合成中作为中间体是适用的。