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    • 8. 发明申请
    • NOVEL BENZOPYRAN DERIVATIVES
    • 新的BENZOPYRAN衍生物
    • WO1998025916A1
    • 1998-06-18
    • PCT/KR1997000265
    • 1997-12-13
    • C & C RESEARCH LABORATORIESJO, Jae, ChonPARK, Sung, DaeLIM, Hyun, SukKIM, Ju, SuKIM, Sung, JinMORIKAWA, KazumiKANBE, YoshitakeNISHIMOTO, MasahiroKIM, Myung-Hwa
    • C & C RESEARCH LABORATORIES
    • C07D311/30
    • C07D335/06C07D311/38C07D311/58
    • The present invention relates to a novel benzopyran derivative having anti-estrogenic activity. More specifically, the present invention relates to a novel benzopyran derivative represented by formula (I) and pharmaceutically acceptable salt thereof, in which ----- represents a single bond or a double bond; R1 and R2 independently of one another represent hydrogen, hydroxy or OR group, wherein R represents acyl or alkyl; R3 represents hydrogen, lower alkyl or halogeno lower alkyl, provided that when ----- represents a double bond, R3 is not present; R4 represents hydrogen or lower alkyl; A represents a group of formula (a), (b), (c) or (d); R5, R6 and R7 independently of one another represent hydrogen, alkyl, halogenoalkyl, alkenyl or halogenoalkenyl, or R6 and R7 together with nitrogen atom to which they are bound can form a 4- to 8-membered heterocyclic ring which can be substituted with R5; X represents O, S or NR8, wherein R8 represents hydrogen or lower alkyl; m denotes an integer of 2 to 15; n denotes an integer of 0 to 2; and p denotes an integer of 0 to 4, and to a process for preparation thereof and a pharmaceutical composition having anti-estrogenic activity which contains the compound (I) as an active component.
    • 本发明涉及具有抗雌激素活性的新型苯并吡喃衍生物。 更具体地说,本发明涉及式(I)表示的新的苯并吡喃衍生物及其药学上可接受的盐,其中代表单键或双键; R 1和R 2彼此独立地表示氢,羟基或OR基,其中R表示酰基或烷基; R 3表示氢,低级烷基或卤代低级烷基,条件是当o-表示双键时,R 3不存在; R4代表氢或低级烷基; A表示式(a),(b),(c)或(d)的基团; R 5,R 6和R 7彼此独立地表示氢,烷基,卤代烷基,烯基或卤代烯基,或者R 6和R 7与它们所连接的氮原子一起可以形成可被R 5取代的4至8元杂环 ; X表示O,S或NR8,其中R8表示氢或低级烷基; m表示2〜15的整数, n表示0〜2的整数, 和p表示0〜4的整数,以及其制备方法和含有化合物(I)作为活性成分的具有抗雌激素活性的药物组合物。