Oxo-imidazolidine substituted cephalosporins and antibacterial
compositions and methods of combatting bacteria employing them
    1.
    发明授权
    Oxo-imidazolidine substituted cephalosporins and antibacterial compositions and methods of combatting bacteria employing them 失效
    氧代 - 咪唑烷取代的头孢菌素和抗菌组合物和使用它们的抗菌药物的方法

    公开(公告)号:US4107304A

    公开(公告)日:1978-08-15

    申请号:US590794

    申请日:1975-06-27

    CPC分类号: C07D501/20

    摘要: Cephalosporins of the formula ##STR1## their pharmaceutically-acceptable, nontoxic salts, and hydrates thereof are produced, whereinA is hydrogen; unsubstituted or substituted alkyl; aryl; or R.sub.1 --X--, whereinX is --CO-- or --SO.sub.2 --, andR.sub.1 is hydrogen, unsubstituted or substituted alkyl; aryl; thienyl; furyl; amino; alkylamino; dialkylamino; pyrrolidyl; or piperidyl;Or whenX is --CO--,R.sub.1 can also be alkoxy;B is phenyl, methylphenyl, chlorophenyl, hydroxyphenyl or the moiety ##STR2## E is hydrogen, hydroxyl or acetoxy; and C is a center of chirality.These compounds are particularly useful for their antimicrobial and, particularly, antibacterial effects.

    摘要翻译: 生产下式的头孢菌素:其药学上可接受的无毒盐及其水合物,其中A是氢; 未取代或取代的烷基; 芳基; 或R 1 -X-,其中X是-CO-或-SO 2 - ,并且R 1是氢,未取代或取代的烷基; 芳基; 噻吩基 呋喃 氨基; 烷基氨基; 二烷基氨基; 吡咯烷基 或哌啶基; 或当X为-CO-时,R 1也可为烷氧基; B是苯基,甲基苯基,氯苯基,羟基苯基或部分E是氢,羟基或乙酰氧基; C是手性的中心。

    Cephalosporins and their production
    2.
    发明授权
    Cephalosporins and their production 失效
    头孢菌素及其生产

    公开(公告)号:US4086340A

    公开(公告)日:1978-04-25

    申请号:US685706

    申请日:1976-05-12

    CPC分类号: C07D501/20

    摘要: Cephalosporins of the formula ##STR1## their pharmaceutically-acceptable, nontoxic salts, and hydrates thereof are produced, whereinA is hydrogen; unsubstituted or substituted alkyl; aryl; or R.sub.1 --X--, whereinX is --CO-- or --SO.sub.2 --, andR.sub.1 is hydrogen, unsubstituted or substituted alkyl; aryl; thienyl; furyl; amino; alkylamino; dialkylamino; pyrrolidyl; or piperidyl;Or whenX is --CO--,R.sub.1 can also be alkoxy;B is phenyl, methylphenyl, chlorophenyl, hydroxyphenyl or the moiety ##STR2## E is hydrogen, hydroxyl or acetoxy; and C is a center of chirality.These compounds are particularly useful for their antimicrobial and, particularly, antibacterial effects.

    摘要翻译: 生产下式的头孢菌素:其药学上可接受的无毒盐及其水合物,其中A是氢; 未取代或取代的烷基; 芳基; 或R 1 -X-,其中X是-CO-或-SO 2 - ,并且R 1是氢,未取代或取代的烷基; 芳基; 噻吩基 呋喃 氨基; 烷基氨基; 二烷基氨基; 吡咯烷基 或哌啶基; 或当X为-CO-时,R 1也可为烷氧基; B是苯基,甲基苯基,氯苯基,羟基苯基或部分E是氢,羟基或乙酰氧基; C是手性的中心。

    Cephalosporin derivatives
    5.
    发明授权
    Cephalosporin derivatives 失效
    头孢菌素衍生物

    公开(公告)号:US4086341A

    公开(公告)日:1978-04-25

    申请号:US707853

    申请日:1976-07-22

    摘要: Penicillin and cephalosporin derivatives characterized by the presence of a nitroalkyl, nitrocycloalkyl, nitrophenylalkyl or nitroanilinoalkyl group in the side chain are antibacterial agents. The compounds, of which 6-(2-nitro-3,3-dimethylbutyrylamido)-penicillanic acid, 7-nitroacetamido-3-methyl-ceph-3-em-4-carboxylic acid, and 6-[D-.alpha.-(2-nitro-2-methylpropionylamido)phenylacetamido]-penicillanic acid are typical embodiments, are prepared by reacting 6-amino-penicillanic acid, 7-amino-cephalosporanic acid (or derivative thereof) or an .alpha.-substituted-.alpha.-amino-acetamido-penicillanic acid with an appropriate nitrated carboxylic acid or an equivalent nitrated acylating agent.

    摘要翻译: 特征在于在侧链中存在硝基烷基,硝基环烷基,硝基苯基烷基或硝基苯胺基烷基的青霉素和头孢菌素衍生物是抗菌剂。 其中6-(2-硝基-3,3-二甲基丁酰氨基) - 青霉烷酸,7-硝基乙酰胺基-3-甲基 - 头孢-3-烯-4-羧酸和6- [D-α - ( 2-硝基-2-甲基丙酰胺基)苯乙酰氨基] - 青霉烷酸是典型的实施方案,通过6-氨基 - 青霉烷酸,7-氨基 - 头孢烷酸(或其衍生物)或α-取代-α-氨基 - 乙酰氨基 - 适当的硝酸羧酸或等同的硝化酰化剂。

    Photopolymerizable dental compositions
    8.
    发明授权
    Photopolymerizable dental compositions 失效
    光聚合牙科组合物

    公开(公告)号:US4437836A

    公开(公告)日:1984-03-20

    申请号:US413643

    申请日:1982-09-01

    摘要: In a photopolymerizable composition comprising(a) at least one ethylenically unsaturated photopolymerizable monomer.(b) at least one photoinitiator selected from organic mono- and/or di-carbonyl compounds and(c) a photoactivator, the improvement which comprises employing as said photoactivator at least one alkylaminoarylsulphonyl compound of the formula ##STR1## in which R.sub.1 and R.sub.2 each independently is a hydrogen atom or an alkyl, alkenyl, cycloalkyl, cycloalkenyl, aryl, aralkyl or alkaryl group which has 1 to 11 carbon atoms and is optionally substituted by at least one hydroxyl, amino, epoxy, urethane, urea, ether of ether group, or R.sub.1 and R.sub.2 together form a 3- to 6-membered ring, which optionally contains nitrogen, oxygen or sulphur as a hetero-atom,R.sub.3 independently of R.sub.1, has any of the meanings given for R.sub.1 or is a group of the formula ##STR2## R.sub.4 and R.sub.5 each independently is a hydrogen atom, an alkyl or alkenyl group which has 1 to 10 carbon atoms and is optionally substituted by halogen, or a halogen atom, orR.sub.4 and R.sub.5 are in ortho-positions relative to one another and, together with the aromatic nucleus, form a 4- to 8-membered ring, andX is an alkyl or alkenyl group which has 1 to 10 carbon atoms and is optionally substituted by a hydroxyl, amino, urethane, urea or ester group, or is a group of the formula ##STR3## wherein R.sub.6 and R.sub.7, independently of R.sub.1 and R.sub.2, have any of the meanings given above for R.sub.1 and R.sub.2.The compositions are especially useful for dental prostheses, fillings and coatings since they are not irritating to human tissue.

    摘要翻译: 在包含(a)至少一种烯属不饱和光聚合单体的可光聚合组合物中。 (b)至少一种选自有机单 - 和/或二 - 羰基化合物的光引发剂和(c)光活化剂,其改进包括使用至少一种式IMAMA的烷基氨基芳基磺酰基化合物作为所述光活化剂,其中R 1和R 2 各自独立地是氢原子或具有1至11个碳原子并且任选地被至少一个羟基,氨基,环氧基,氨基甲酸酯,尿素,醚的醚取代的烷基,烯基,环烷基,环烯基,芳基,芳烷基或烷芳基 基团或R 1和R 2一起形成3至6元环,其任选地含有氮,氧或硫作为杂原子,R 3独立地为R 1,具有对R 1给出的任何含义,或者是 R 4和R 5各自独立地为氢原子,具有1-10个碳原子并且任选被卤素或卤素原子取代的烷基或链烯基,或者R 4和R 5相对于一个位于邻位 另一个,连同芳香 形成4-至8-元环,X为具有1-10个碳原子并且任选被羟基,氨基,氨基甲酸酯,脲或酯基取代的烷基或链烯基,或是一组 其中R6和R7独立地为R1和R2,具有上面对R1和R2给出的任何含义。 组合物特别适用于牙齿假体,填充物和涂层,因为它们不刺激人体组织。