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    • 1. 发明授权
    • Benzopyran derivatives
    • 苯并吡喃衍生物
    • US5384414A
    • 1995-01-24
    • US107576
    • 1993-08-18
    • Shuichi OhuchidaMasaaki TodaTsumoru Miyamoto
    • Shuichi OhuchidaMasaaki TodaTsumoru Miyamoto
    • C07D311/72C07D311/92C07D311/04
    • C07D311/92C07D311/72
    • Benzopyran derivatives of the formula: ##STR1## wherein R.sup.1a is hydrogen, C1-4 alkyl or C1-4 alkoxy; or two R.sup.1a taken together with 7th- and 8th-carbon to which they are attached form a C6 carbocyclic ring;R.sup.2a is hydrogen, C1-4 alkyl or C1-4 alkoxy;R.sup.3a is hydrogen, C2-4 acyl or benzoyl;na is 1-3;Ya is C1-7 alkylene, C2-7 alkenylene or C2-7 alkynylene;Ma isi) bond orii) a group of the formula: --Da--Ba--;Da isi) --O-- orii) --S--;Ba isi) C1-4 alkylene orii) a group of the formula: ##STR2## Za is i) bond,ii) --OCO--,iii) CONR.sup.9a --,iv) --COO--,v) --NR.sup.9a CO--,vi) --O-- orvii) --NH--CO--NH--;Wa is a group of the formula: --W1a--Aa--W2 a--;Aa isi) bond orii) a group of the formula: --Ea-- .circle.Ga --;Ea isi) bond,ii) --O-- oriii) --S--; .circle.Ga is C4-10 carbocyclic or heterocyclic ring; or C4-10 carbocyclic or heterocyclic ring substituted by one to three C1-4 alkyl, C1-4 alkoxy, halogen, a group of the formula: --COOR.sup.7a, trihalomethyl or acetamido;W1a and W2a each, independently, isi) bondii) C1-4 alkylene,iii) C2-4 alkenylene oriv ) C2-4 alkynylene;R.sup.4a is hydrogen or C1-4 alkyl;R.sup.5a is hydrogen, C1-4 alkyl or amino;R.sup.6a is hydrogen, C1-4 alkyl, C1-4 alkoxy, halogen, a group of the formula: --COOR.sup.8a, trihalomethyl or acetoamido;R.sup.7a is hydrogen or C1-4 alkyl;R.sup.8a is hydrogen or C1-4 alkyl;R.sup.9a is hydrogen, C1-4 alkyl or benzyl; with a proviso, and the pharmaceutically acceptable acid addition salts thereof possess the inhibitory activity on Maillard reaction and an antioxidizing effect.
    • 下式的苯并吡喃衍生物:其中R 1a是氢,C 1-4烷基或C 1-4烷氧基; 或两个R 1a与它们所连接的第七和第八碳一起形成C6碳环; R 2a是氢,C 1-4烷基或C 1-4烷氧基; R3a是氢,C2-4酰基或苯甲酰基; na是1-3; Ya是C 1-7亚烷基,C 2-7亚烯基或C 2-7亚炔基; Ma是i)键或ii)下式的基团:-Da-Ba-; Da为i)-O-或ii)-S-; b)i)C1-4亚烷基或ii)下式的基团:Za是i)键,ii)-OCO-,iii)CONR9a - ,iv)-COO-,v)-NR9aCO-,vi )-O-或vii)-NH-CO-NH-; Wa是下列基团:-W1a-Aa-W2a-; Aa是i)键或ii)下式的基团:-Ea-&Cir&Ga - ; Ea为i)键,ii)-O-或iii)-S-; &cir&Ga是C4-10碳环或杂环; 或被一至三个C 1-4烷基取代的C 4-10碳环或杂环,C 1-4烷氧基,卤素,下式基团:-COOR 7 a,三卤代甲基或乙酰氨基; W1a和W2a各自独立地是i)键合ii)C 1-4亚烷基,iii)C 2-4亚烯基或iv)C 2-4亚炔基; R4a是氢或C1-4烷基; R5a是氢,C1-4烷基或氨基; R 6a是氢,C 1-4烷基,C 1-4烷氧基,卤素,下式基团:-COOR 8 a,三卤甲基或乙酰胺基; R 7a是氢或C 1-4烷基; R 8a是氢或C 1-4烷基; R9a是氢,C1-4烷基或苄基; 并且其药学上可接受的酸加成盐具有对美拉德反应的抑制活性和抗氧化作用。
    • 8. 发明授权
    • Prolinal derivatives and pharmaceutical compositions thereof
    • 脯氨酸衍生物及其药物组合物
    • US5254550A
    • 1993-10-19
    • US803421
    • 1991-12-06
    • Masaaki TodaShuichi OhuchidaHiroyuki Ohno
    • Masaaki TodaShuichi OhuchidaHiroyuki Ohno
    • C07D207/08C07D405/12A61K31/495C07D401/12
    • C07D207/08C07D405/12
    • A novel prolinal derivative of the general formula: ##STR1## [wherein A represents alkylene or alkenylene group of from 1 to 8 carbon atom(s) or a saturated hydrocarbon ring of from 3 to 7 carbon atoms,R represents hydrogen atom, phenyl group, benzyl group, alkyl group of from 1 to 8 carbon atom(s) or cycloalkyl group of from 3 to 7 carbon atoms,B represents alkylene group of from 1 to 8 atom(s) unsubstituted or substituted by phenyl group or benzyl group, or a single bond,D represents carbocyclic or heterocyclic ring unsubstituted or substituted by from one to three of halogen atom, alkyl or alkoxy group of from 1 to 4 carbon atom(s), nitro group or trifluoromethyl group]posses inhibitory activity on prolyl endopeptidase, and therefore are useful for treating and/or preventing agent for amnesia.
    • 一种新颖的通式如下的流延衍生物:其中A表示1至8个碳原子的亚烷基或亚烯基或3至7个碳原子的饱和烃环,R表示氢原子 苯基,苄基,1〜8个碳原子的烷基或3〜7个碳原子的环烷基,B表示1〜8个未被取代或被苯基取代或被苯基取代的亚烷基, 苄基或单键,D表示未被取代或被1至3个卤素原子,1至4个碳原子的烷基或烷氧基,硝基或三氟甲基取代的碳环或杂环]具有抑制活性 在脯氨酰内肽酶上,因此可用于治疗和/或预防健忘症药物。