- QUINAZOLINE DERIVATIVE, PREPARATION METHOD THEREFOR, AND PHARMACEUTICAL COMPOSITION AND APPLICATION THEREOF
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Disclosed are a quinazoline derivative, a preparation method therefor, and a pharmaceutical composition and an application thereof. The present invention provides a compound represented by general formula I, a stereoisomer thereof and a pharmaceutical acceptable salt or a solvate thereof. The quinazoline derivative of the present invention has a unique chemical structure, is characterized by irreversibly inhibiting EGFR tyrosine kinase, has high biological activity, apparently improves the inhibiting effect on the EGFR tyrosine kinase, has quite strong tumor inhibiting effect on tumor cells and a transplantation tumor pathological model of animal tumors, and has good market developing prospects.
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Paragraph 0224; 0225
(2017/07/14)
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- 4-benzoyl isoxazoles derivatives and their use as herbicides
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4-Benzoylisoxazole derivatives of the formula wherein R is H or an ester; R1is alkyl, haloalkyl or optionally substituted cycloalkyl; R2is halogen, optionally halogenated alkyl, alkenyl or alkynyl; alkyl substituted with one or more —OR5; —NO2, —CN, —CO2R5, —S(O)pR6, —O(CH2)mOR5, —COR5, —NR5R6, —N(R8)SOqR7, —CONR9R10or —OR51; or optionally substituted phenyl; R3is —S(O)qR7; X is —N(R8)—; n is 0, 1, 2, 3, or 4; R5, R51and R6are independently H; optionally halogenated alkyl, alkenyl or alkynyl; optionally substituted phenyl; or cycloalkyl; R7is optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl; optionally substituted phenyl; or optionally substituted amino; R8is H; optionally halogenated alkyl, alkenyl or alkynyl; cycloalkyl; optionally substituted phenyl; or alkoxy; m is 1, 2 or 3; p is 0, 1 or 2; q is 0 or 2; and their use as herbicides are described.
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