发明名称 CHROMONE DERIVATIVES
摘要 <p>There are described compounds of formula I, I in which R3 represents hydrogen, or alkyl C 1 to 6, R5 represents hydrogen, hydroxy, alkoxy C 1 to 6, alkanoyloxy C 2 to 6, alkenyloxy C 2 to 6, nitro, -NR1R2, halogen, alkyl C 1 to 6,hydroxy-alkyl C 1 to 6, or hydroxy-alkoxy C 1 to 6, an adjacent pair of X, Y and Z form a -(CH2)4-, -CH=CH-CH=CH-or -O(CH2)3- chain, each of the chains optionally being substituted by one or two C 1 to 6 alkyl groups, and the remaining substituent X or Z represents alkenyl C 2 to 6 optionally substituted by phenyl; halogen; or alkyl C 1 to 9 optionally substituted by one or more of the groups hydroxy, halogen, carbonyl oxygen, phenyl, or alkoxy C 1 to 6, or, when an adjacent pair of X, Y and Z form a chain substituted by one or two C 1 to 6 alkyl groups, the remaining substituent X or Z may be hydrogen, and R1 and R2, which may be the same or different, are each hydrogen or alkyl C 1 to 6, and pharmaceutically acceptable derivatives thereof. Processes for making the compounds and pharmaceutical, e.g. anti-allergic, compositions containing the compounds are also described.</p>
申请公布号 CA1065329(A) 申请公布日期 1979.10.30
申请号 CA19750240751 申请日期 1975.11.27
申请人 FISONS LIMITED 发明人 BROWN, ROGER C.;HAZARD, RICHARD;MANN, JOHN
分类号 C07D311/24;C07C45/54;C07C45/62;C07C45/63;C07C45/64;C07C45/67;C07C45/71;C07C49/83;C07C49/86;C07D;C07D311/58;C07D311/74;C07D311/78;C07D311/92;C07D493/04;(IPC1-7):07D311/24;07D493/04 主分类号 C07D311/24
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