Penam derivatives
    11.
    发明授权
    Penam derivatives 失效
    Penam衍生物

    公开(公告)号:US4626384A

    公开(公告)日:1986-12-02

    申请号:US716948

    申请日:1985-03-28

    CPC分类号: C07D499/00

    摘要: This invention provides a penam derivative represented by the formula ##STR1## wherein R is hydrogen or methyl and R.sub.1 is (hexahydro-1H-azepin-1-yl)methyleneamino, 2-phenylacetamido, 2-phenoxyacetamido, 2-amino-2-phenylacetamido, 2-amino-2-(p-hydroxyphenyl)acetamido or 2-(4-ethyl-2,3-dioxo-1-piperazine)carboxamido-2-phenylacetamido, and a salt thereof, and processes for preparing them.

    摘要翻译: 本发明提供由式(I)表示的对苯二甲酸衍生物,其中R是氢或甲基,R 1是(六氢-1H-吖庚因-1-基)亚甲基氨基,2-苯基乙酰氨基,2-苯氧基乙酰氨基, 2-氨基-2-(对羟基苯基)乙酰氨基或2-(4-乙基-2,3-二氧代-1-哌嗪)甲酰胺基-2-苯基乙酰氨基及其盐及其制备方法 。

    Pharmaceutical composition containing 1,1,3,5-substituted biuret compound
    17.
    发明授权
    Pharmaceutical composition containing 1,1,3,5-substituted biuret compound 失效
    含有1,1,3,5-取代缩二脲化合物的药物组合物

    公开(公告)号:US4371544A

    公开(公告)日:1983-02-01

    申请号:US257418

    申请日:1981-04-24

    摘要: An analgesic, anti-inflammatory or anti-pyretic composition containing 1,1,3,5-substituted biuret compound of the formula, ##STR1## wherein R.sup.1 is a lower alkyl group or a phenyl group; R.sup.2 is a lower alkyl group, a phenyl group or a substituted phenyl group having chlorine atom(s), methyl group(s) or methoxy group(s) as the substituent(s), further R.sup.1 and R.sup.2 may form a single ring containing one or two hetero atoms including the adjacent nitrogen atom; R.sup.3 is a hydrogen atom, a lower alkyl group or a phenyl group; R.sup.4 is a phenyl group, a substituted phenyl group having halogen atom(s), trifluoromethyl group(s), methyl group(s), methoxy group(s), dimethyl-amino group(s), nitro group(s), hydroxyl group(s), acetyl group(s), or methylthio group(s) as the substituent(s), a benzyl group, a cyclohexyl group or a lower alkyl group, as the active ingredient.

    摘要翻译: 含有下式的1,1,3,5-取代缩二脲化合物的镇痛,抗炎或抗热解组合物,其中R1是低级烷基或苯基; R2是低级烷基,苯基或具有氯原子的取代苯基,甲基或甲氧基作为取代基,此外,R 1和R 2可以形成含有 一个或两个杂原子,包括相邻的氮原子; R3是氢原子,低级烷基或苯基; R4是苯基,具有卤素原子的取代苯基,三氟甲基,甲基,甲氧基,二甲基 - 氨基,硝基,羟基 基团,乙酰基或甲硫基作为取代基,苄基,环己基或低级烷基作为活性成分。

    Production intermediate and process for producing pyridine derivative
    20.
    发明授权
    Production intermediate and process for producing pyridine derivative 失效
    制备吡啶衍生物的中间体和方法

    公开(公告)号:US5734059A

    公开(公告)日:1998-03-31

    申请号:US809467

    申请日:1994-03-20

    摘要: This invention relates to: (1) a compound represented by the formula (V), its tautomer and a mixture of the same; (2) a process for producing the compound represented by the above-mentioned formula (V), its tautomer or a mixture of the same, which comprises reacting N-vinylpiperidone represented by the formula (I) with a nicotinate represented by the formula (II), wherein R represents a lower alkyl group, in the presence of a sodium alkoxide; (3) a process for producing a pyridine derivative represented by the formula (III), which comprises producing the compound represented by the formula (V), its tautomer or a mixture of the same by the process as described in the above (2), and then treating the obtained compound with an acid; and (4) a process for producing a pyridine derivative represented by the formula (IV), in which the treatment with an acid as described in the above (3) is followed by another treatment with a base. Thus, the present invention provides industrial processes for producing pyridine derivatives represented by the formulae (III) and (IV) safely, economically, easily and efficiently without using any hazardous reagents. ##STR1##

    摘要翻译: PCT No.PCT / JP95 / 01911 Sec。 371日期1997年3月20日 102(e)1997年3月20日PCT PCT 1995年9月21日PCT公布。 公开号WO96 / 09300 日期:1996年3月28日本发明涉及:(1)由式(V)表示的化合物,其互变异构体及其混合物; (2)由上述式(V)表示的化合物,其互变异构体或其混合物的制备方法,其包括将由式(I)表示的N-乙烯基哌啶酮与式(I)表示的烟酸酯反应, II),其中R表示低级烷基,在醇盐存在下; (3)制备由式(III)表示的吡啶衍生物的方法,其包括通过上述(2)中所述的方法制备由式(V)表示的化合物,其互变异构体或其混合物, 然后用酸处理得到的化合物; 和(4)由式(IV)表示的吡啶衍生物的制造方法,其中用上述(3)所述的酸处理后,用碱进行另外的处理。 因此,本发明提供了在不使用任何有害试剂的情况下安全,经济,容易且有效地生产由式(III)和(IV)表示的吡啶衍生物的工业方法。 (I)(I)))))))))))))))))))))))))))