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    • 1. 发明授权
    • 2-Hydroxymethyl-quinoxaline-1,4-dioxide derivatives, a process for
preparing same and compositions containing same
    • 2-羟甲基 - 喹喔啉-1,4-二氧化物衍生物,其制备方法和含有它们的组合物
    • US4511717A
    • 1985-04-16
    • US593204
    • 1984-03-27
    • Pal BenkoIldiko Ratz nee SimonekLaszlo PallosKaroly MagyarJeno KovacsErzsebet MatraiJanos GundelAlbert Balogh
    • Pal BenkoIldiko Ratz nee SimonekLaszlo PallosKaroly MagyarJeno KovacsErzsebet MatraiJanos GundelAlbert Balogh
    • A23K1/16A61K31/498A61P31/00C07D241/00C07D241/52C07D307/00C07D401/00C07D405/00A61K31/495C07D401/12C07D403/12
    • C07D241/52
    • The invention relates to new 2-hydroxymethyl-quinoxaline-1,4-dioxide derivatives of the general formula (I) ##STR1## wherein A represents an amino group, or a group of the general formula --NH--COOR.sub.1, wherein R.sub.1 stands for a C.sub.2-4 alkyl group, or a group of the general formula --NH--CX--NH.sub.2, whereinX denotes an oxygen or sulfur atom, or a group of the formula --NH--C(NH)--NH.sub.2, or a group of the general formula --NH--R.sub.2, wherein R.sub.2 represents a C.sub.1-6 alkyl, a phenyl, a benzyl, a hydroxyl or a hydroxy-(C.sub.2-4 alkyl) group, or a group of the general formula --NH--CO--R.sub.3, wherein R.sub.3 stands for a C.sub.1-20 alkyl group or a phenyl group optionally substituted by one, two or three identical or different substituent(s) selected from the group consisting of nitro, hydroxyl, amino, C.sub.1-3 alkoxy and halogen; a naphtyl group optionally substituted by a hydroxyl group, a phenyl-(C.sub.1-3 alkyl) group, a pyridyl, a piperidyl, a pyrazinyl, a pyrimidyl, a 1,2,4-triazinyl, a furyl, a nitrofuryl or an .alpha.,.alpha.-diphenyl-.alpha.-hydroxymethyl group.Due to their antimicrobial and weight-gain increasing effects, the new compounds of the general formula (I) can serve as active ingredients of pharmaceutical or veterinary compositions, particularly fodder concentrates, fodder additives and fodders.The invention relates also to the preparation of the new compounds of the general formula (I) and the compositions containing same.
    • PCT No.PCT / HU81 / 00038 Sec。 371日期1982年5月7日 102(e)日期1982年5月7日PCT提交1981年9月11日PCT公布。 出版物WO82 / 01001 日本1982年4月1日。本发明涉及通式(I)的新的2-羟甲基 - 喹喔啉-1,2-二氧化物衍生物,其中A表示氨基,或一般为 式-NH-COOR1,其中R1表示C2-4烷基,或通式为-NH-CX-NH2的基团,其中X表示氧或硫原子,或式-NH-C (NH)-NH 2或通式为-NH-R 2的基团,其中R 2表示C 1-6烷基,苯基,苄基,羟基或羟基 - (C 2-4烷基)基团,或一组 通式为-NH-CO-R3,其中R3代表C1-20烷基或任选被一个,两个或三个相同或不同的取代基取代的苯基,所述取代基选自硝基,羟基,氨基 ,C 1-3烷氧基和卤素; 任选被羟基取代的萘基,苯基 - (C 1-3烷基)基,吡啶基,哌啶基,吡嗪基,嘧啶基,1,2,4-三嗪基,呋喃基,硝基呋喃基或α ,α-二苯基-α-羟甲基。 由于其抗微生物和增重增加的作用,通式(I)的新化合物可用作药物或兽药组合物,特别是饲料浓缩物,饲料添加剂和饲料的有效成分。 本发明还涉及通式(I)的新化合物和含有其的组合物的制备。
    • 8. 发明授权
    • Quinoxaline-2-yl ethenyl ketones
    • 喹喔啉-2-基乙烯基酮
    • US4373101A
    • 1983-02-08
    • US269721
    • 1981-06-02
    • Pal BenkoDaniel BozsingJanos GundelKaroly Magyar
    • Pal BenkoDaniel BozsingJanos GundelKaroly Magyar
    • A23K1/16A23K1/17A61K31/495A61K31/498A61P3/00A61P21/06A61P31/04C07D241/52C07D401/06C07D405/06C09B55/00
    • C07D241/52A23K20/116A23K20/195
    • The invention relates to novel quinoxaline-2-yl ethenyl ketones, their preparation and compositions containing them.The novel quinoxaline-2-yl ethenyl ketones of the general formula I ##STR1## wherein R.sub.1 represents an aryl group or a heterocyclic group comprising one or more nitrogen and/or oxygen and/or sulfur atoms wherein both the aryl and heterocyclic groups are optionally substituted by one or more identical or different substituents,R.sub.2 stands for a hydrogen atom or a C.sub.1-4 alkyl group, are prepared by reacting an acetylquinoxaline derivative of the general formula II ##STR2## wherein R.sub.2 is as stated above, with an aldehyde of the general formula IIIR.sub.1 --CHO (III) wherein R.sub.1 is as stated above.The novel compounds of the general formula I possess valuable antibacterial effect and promote the growth of animals. Thus, the novel compounds can be incorporated in animal feeds.
    • 本发明涉及新型喹喔啉-2-基乙烯基酮,其制备方法和含有它们的组合物。 通式Ⅰ(I)的新型喹喔啉-2-基乙烯基酮其中R 1表示芳基或包含一个或多个氮和/或氧和/或硫原子的杂环基,其中芳基和杂环 基团任选地被一个或多个相同或不同的取代基取代,R2代表氢原子或C1-4烷基,是通过使通式II的乙酰基喹喔啉衍生物(II)(其中R 2如所述)而制备的 与通式III的R 1 -CH(III)的醛反应,其中R 1如上所述。 通式Ⅰ的新型化合物具有有价值的抗菌作用,促进动物的生长。 因此,新化合物可以并入动物饲料中。