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    • 38. 发明申请
    • CHROMAN DERIVATIVES
    • WO1998004542A1
    • 1998-02-05
    • PCT/JP1997002583
    • 1997-07-25
    • NISSAN CHEMICAL INDUSTRIES, LTD.TANIKAWA, KeizoOHRAI, KazuhikoSATO, MasayukiYAMASHITA, ToruYANAGIHARA, Kazufumi
    • NISSAN CHEMICAL INDUSTRIES, LTD.
    • C07D311/70
    • C07D405/04C07D311/70C07D405/12C07D407/12C07D409/12C07F7/1804
    • The present invention relates to chroman derivatives of formula (I): wherein R represents a hydrogen atom, a halogen atom, a C1-6 alkyl group, a C1-6 alkoxy group, a C3-6 alkoxymethyl group, etc.; R and R each independently represent a hydrogen atom, a C1-6 alkyl group, etc.; R represents a hydroxyl group or a C1-6 alkylcarbonyloxyl group or forms a bond together with R ; R represents a hydrogen atom or forms a bond together with R ; R and R each independently represent a hydrogen atom, a C1-6 alkyl group, a C3-6 cycloalkyl group, a phenyl group, etc.; n is 0 or an integer of 1, 2, 3, or 4; W represents a phenyl group, etc.; X represents C=O, CH2, SO2, etc.; Y represents NR (in which R represents a hydrogen atom, a C1-4 alkyl group, a phenyl group, etc.), etc.; Z does not exist or represents CH2 or NR (R represents a hydrogen atom, a C1-4 alkyl group, or a phenyl group, etc.) or their salts.
    • 本发明涉及式(I)的苯并二氢吡喃衍生物:其中R 1表示氢原子,卤素原子,C 1-6烷基,C 1-6烷氧基,C 3-6烷氧基甲基等。 ; R 3和R 4各自独立地表示氢原子,C 1-6烷基等; R 5代表羟基或C 1-6烷基羰基氧基或与R 5一起形成键; R 6表示氢原子或与R 5一起形成键; R 7和R 8各自独立地表示氢原子,C 1-6烷基,C 3-6环烷基,苯基等; n为0或1,2,3或4的整数; W表示苯基等; X表示C = O,CH 2,SO 2等; Y表示NR 17(其中R 17表示氢原子,C 1-4烷基,苯基等)等; Z不存在或表示CH 2或NR 18(R 18表示氢原子,C 1-4烷基或苯基等)或其盐。