Abstract:
The new compound as 5-(2H-1-benzopyran-6-yl)-2-[1-(ethoxylimino) butyryl -3-hydroxy cyclohex-2-en-1-one (I) is prepared by (1) reacting 4-hydroxy benzaldehyde and 4-propazyl halide to get 4-propazyl 2H- 1- benzypyran-6- carboxaldehyde (II), (2) reacting (II) in alkali to get 4- (2H-1-benzopyran -6-y l0-3-buten-2-one (III), (3) reacting (III) with diethyl malonate to get 5-(2H-1-benzopyran-6-yl)- cyclohexan-1,3-dione (IV), (4) reacting (IV) with butyrate to get 2-butyryl-5-(2H-1-benzopyran-6-yl) -3-hydroxy cyclohex-2-en-1-one (V), reacting (V) with ethoxyl amine and sodium acetate to get (I). (I) as herbicide is useful for soybean, cotton, sugarbeet, sunflower, strawberry, wheat, corn and rice.
Abstract:
The derivative of formula (I) is useful for herbicides or plant growth regulants. In (I), X is H, 1-6c alkyl, 2-6c alkoxy, halogen, 1-6c haloalkyl, NO2, CN, 1-6c alkylthio, 1-6c alkylsulphinyl, 1-6c alkylsulphonyl, sulphamoyl, N-(1-6c alkyl) sulphamoyl or N,N-di(1-6c alkyl) sulphamoyl; R1 is H or 1-4c alkyl; R2 is 1-6c alkyl, 2-6c alkenyl or 2-6c alkynyl; R3 is H, 1-6c alkyl, 1-6c haloalkyl, 2-6c alkenyl, 2-6c haloalkenyl, 2-6c alkoxyalkyl, 2-6c alkylthioakyl, benzyl or 2-6c haloalkanoyl; R4 is H, alkali metal cation, alkaline earth metal cation, 1-4c alkanoyl, 1-4c haloalkanoyl or benzoyl.
Abstract:
Cyclohexane-1,3-dione derivs. of formula (I) are new. In the formula (I), R1, R2 and R3 are each C1-4 alkyl; R4=C1-4 alkyl; R5=C1-4 alkyl, C1-4 haloalkyl, C2-6 alkenyl, C2-6 haloalkenyl, C2-6 haloalkanoyl, substd. benzoyl, C1-6 alkyl or C2-6 alkoxy alkyl. Also claimed is the prepn. of (I) which comprises reacting 5- or 7- (2,3- dihydrobenaofuranyl)cyclohexane-1,3-dione with an organic acid anhydride in the presence of a base, reacting the obtd. cpd. with R5ONH2 HCl in the presence of a base, and reacting the obtd. oxime deriv. with R6X.
Abstract:
PURPOSE: A pharmaceutical composition containing thienopyrimidine derivative is provided to prevent or treating abnormal cell growth diseases. CONSTITUTION: A thienopyrimidine derivative is denoted by chemical formula 1. A method for preparing the derivative comprises: a step of reacting a compound of chemical formula 2 with formamide to prepare a compound of chemical formula 3; a step of substituting the compound of chemical formula 3 to prepare a compound of chemical formula 4; a step of coupling the compound of chemical formula 4 with a compound of chemical formula 5 to prepare a compound of chemical formula 1a. A pharmaceutical composition for preventing or treating abnormal cell growth diseases contains the derivative or pharmaceutically acceptable salt thereof as an active ingredient.
Abstract:
본 발명은 티로신 키나제 예를 들면 혈관성내피세포 성장인자 수용체(VEGFR)와 플릿3(Flt3)에 대한 억제활성이 우수하여 비정상적인 키나제의 활성으로 야기되는 비정상 세포성장 질환 예를 들면 종양, 건선, 류마티즘, 관절염, 당뇨병성 망막증 등의 치료에 유용한 테트라히드로이미다조피리딘기가 치환된 신규 퀴놀리논 화합물과 이의 제조방법 그리고 이의 의약적 용도에 관한 것이다. 혈관성내피세포 성장인자 수용체(VEGFR), 플릿3 (Flt3, FMS-like tyrosine kinase-3)티로신 키나제, 퀴놀리논, 이미다조피리딘