-
公开(公告)号:US4357470A
公开(公告)日:1982-11-02
申请号:US256780
申请日:1981-04-23
申请人: Yoshiaki Watanabe , Chihiro Yokoo , Toshifumi Asaka , Akira Onodera , Kaoru Sota , Jiro Sawada
发明人: Yoshiaki Watanabe , Chihiro Yokoo , Toshifumi Asaka , Akira Onodera , Kaoru Sota , Jiro Sawada
IPC分类号: C07D519/06 , A61K31/545 , A61P31/04 , C07D471/04 , C07D501/26 , C07D501/36 , C07D501/56
CPC分类号: C07D471/04
摘要: Novel cephalosporin compounds having the general formula ##STR1## wherein X represents hydrogen atom or hydroxy group, and the non-toxic pharmacologically acceptable salts thereof are disclosed. These compounds are useful as antibacterial agents.
摘要翻译: 公开了具有通式
+ TR 的新型头孢菌素化合物,其中X表示氢原子或羟基,并且其无毒的药理学上可接受的盐被公开。 这些化合物可用作抗菌剂。 -
公开(公告)号:US4190581A
公开(公告)日:1980-02-26
申请号:US929566
申请日:1978-07-31
申请人: Yoshiaki Watanabe , Chihiro Yokoo , Toshifumi Asaka , Jiro Sawada
发明人: Yoshiaki Watanabe , Chihiro Yokoo , Toshifumi Asaka , Jiro Sawada
IPC分类号: C07D241/42 , C07D471/04 , C07D499/00 , C07D499/68 , C07D499/50 , C07D401/04
CPC分类号: C07D471/04 , C07D241/42 , C07D499/00
摘要: Novel penicillin derivatives of the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein R is hydrogen or hydroxy, are produced by acylating ampicillin, amoxicillin or a salt thereof with 4-hydroxy-pyrazino[2,3-f]quinoline-3-carboxylic acid or its functional derivative. They have high anti-pseudomonas activity and other antibacterial activity against gram-positive and gram-negative bacteria, and are of extremely low toxicity.
摘要翻译: 通过用4-羟基 - 吡嗪并[2,3-f]将氨苄青霉素,阿莫西林或其盐酰化来制备其中R为氢或羟基的新颖的式
+ TR 及其药学上可接受的盐的青霉素衍生物 ]喹啉-3-羧酸或其官能衍生物。 它们对革兰氏阳性和革兰氏阴性细菌具有很高的抗假单胞菌活性和其他抗菌活性,毒性极低。 -
公开(公告)号:US4833236A
公开(公告)日:1989-05-23
申请号:US43470
申请日:1987-04-28
申请人: Shigeo Morimoto , Yoko Takahashi , Yoshiaki Watanabe , Takashi Adachi , Toshifumi Asaka , Kaoru Sota
发明人: Shigeo Morimoto , Yoko Takahashi , Yoshiaki Watanabe , Takashi Adachi , Toshifumi Asaka , Kaoru Sota
IPC分类号: A61K31/70 , A61K31/7042 , A61K31/7048 , A61P31/04 , C07H17/08
CPC分类号: C07H17/08
摘要: Erythromycin derivatives represented by the general formula ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is a hydrogen atom or a hydroxy group, R.sup.3 is a hydrogen atom, a lower alkanoyl group, an alkoxycarbonyl group or an alkylsuccinyl group, and the salts thereof are disclosed. These compounds have antibacterial activity.
-
公开(公告)号:US4670549A
公开(公告)日:1987-06-02
申请号:US832322
申请日:1986-02-24
申请人: Shigeo Morimoto , Takashi Adachi , Toshifumi Asaka , Masato Kashimura , Yoshiaki Watanabe , Kaoru Sota
发明人: Shigeo Morimoto , Takashi Adachi , Toshifumi Asaka , Masato Kashimura , Yoshiaki Watanabe , Kaoru Sota
IPC分类号: C07H17/08
CPC分类号: C07H17/08
摘要: A method for the selective methylation of the hydroxy group at the 6-position of erythromycin A derivatives which comprises reacting a compound represented by the formula R-X (wherein R is a 2-alkenyl group, a benzyl group or a substituted benzyl group, and X is a halogen atom), reacting the resulting quaternary salt compound with a methylating agent, and then eliminating R groups of the resulting compound to give 6-O-methylerythromycin A 9-oxime, is disclosed.
摘要翻译: 一种在红霉素A衍生物的6-位选择性甲基化羟基的方法,其包括使由式RX表示的化合物(其中R为2-链烯基,苄基或取代的苄基)和X 是卤素原子),使所得季盐化合物与甲基化剂反应,然后除去所得化合物的R基团,得到6-O-甲基红霉素A9-肟。
-
公开(公告)号:US5350839A
公开(公告)日:1994-09-27
申请号:US39121
申请日:1993-04-15
申请人: Toshifumi Asaka , Yoko Misawa , Masato Kashimura , Shigeo Morimoto , Yoshiaki Watanabe , Katsuo Hatayama
发明人: Toshifumi Asaka , Yoko Misawa , Masato Kashimura , Shigeo Morimoto , Yoshiaki Watanabe , Katsuo Hatayama
IPC分类号: C07H17/08
CPC分类号: C07H17/08
摘要: Erythromycins showing an extremely relieved bitterness at administration and an improved absorbability in vivo when orally administered are provided.A compound having a group represented by the following formula:--O--CO--O--[(CH.sub.2).sub.m --O].sub.n --R(wherein R represents an alkyl group having from 1 to 12 carbon atoms, m represents an integer of from 2 to 4, and n represents an integer of from 1 to 7) at the 2'-position of erythromycins or a salt thereof.
摘要翻译: PCT No.PCT / JP91 / 01368 Sec。 371日期:1992年4月15日 102(e)日期1992年4月15日PCT 1991年10月8日PCT PCT。 出版物WO92 / 06991 日期:1992年4月30日。提供了施用时极度缓和的苦味和口服给药时体内吸收性改善的类似物。 具有由下式表示的基团的化合物:-O-CO-O - [(CH 2)m O] n R(其中R表示具有1至12个碳原子的烷基,m表示2至4的整数, 并且n表示1至7的整数)在红霉素的2'-位或其盐处。
-
公开(公告)号:US5302705A
公开(公告)日:1994-04-12
申请号:US590805
申请日:1990-10-01
申请人: Yoko Misawa , Toshifumi Asaka , Masato Kashimura , Shigeo Morimoto , Yoshiaki Watanabe , Katsuo Hatayama
发明人: Yoko Misawa , Toshifumi Asaka , Masato Kashimura , Shigeo Morimoto , Yoshiaki Watanabe , Katsuo Hatayama
IPC分类号: A61K31/70 , A61K31/7042 , A61K31/7048 , A61P31/04 , C07H17/08
CPC分类号: C07H17/08
摘要: A 6-O-methylerythromycin A oxime derivative represented by the formula ##STR1## wherein X is a substituted benzyl group, a substituted phenyl group, an .alpha.-methylbenzyl group, an .alpha.-methylphenethyl group, a diphenylmethyl group, a trityl group, a dibenzosuberanyl group, or a group of the formula --(CH.sub.2).sub.n --R, and Y is a hydrogen atom, a substituted phenyl group or a 2-aminothiazol-4-ylmethylcarbonyl group, and a pharmaceutically acceptable salt thereof are disclosed. These compounds have antibacterial activity against erythromycin resistant bacteria.
摘要翻译: 由式(*化学结构*)表示的6-0-甲基红霉素A肟衍生物,其中X是取代的苄基,取代的苯基,(α) - 甲基苄基,(α) - 甲基苯乙基,二苯基甲基 基团,三苯甲基,二苯并胞苷基或式 - (CH 2)n R的基团,Y是氢原子,取代的苯基或2-氨基噻唑-4-基甲基羰基及其药学上可接受的盐 被披露。 这些化合物对抗红霉素的细菌具有抗菌活性。
-
公开(公告)号:US4680386A
公开(公告)日:1987-07-14
申请号:US789771
申请日:1985-10-21
IPC分类号: A61K31/70 , A61K31/7042 , A61K31/7048 , A61P31/04 , C07H17/08
CPC分类号: C07H17/08
摘要: A novel 6-O-methylerythromycin A derivative represented by the formula ##STR1## and the salts thereof are disclosed. These compounds are useful as intermediates for preparation of 6-O-methylerythromycin A and useful as antibiotics.
摘要翻译: 公开了由式“IMAGE”表示的新型6-O-甲基红霉素A衍生物及其盐。 这些化合物可用作制备6-O-甲基红霉素A并用作抗生素的中间体。
-
公开(公告)号:US4990602A
公开(公告)日:1991-02-05
申请号:US283387
申请日:1988-12-12
申请人: Shigeo Morimoto , Takashi Adachi , Tohru Matsunaga , Masato Kashimura , Toshifumi Asaka , Yoshiaki Watanabe , Kaoru Sota , Kazuto Sekiuchi
发明人: Shigeo Morimoto , Takashi Adachi , Tohru Matsunaga , Masato Kashimura , Toshifumi Asaka , Yoshiaki Watanabe , Kaoru Sota , Kazuto Sekiuchi
IPC分类号: C07H17/08
CPC分类号: C07H17/08
摘要: Erthromycin A derivatives represented by the general formula ##STR1## wherein R.sup.1 is a group of the formula R.sup.7 CH.sub.2 -- (wherein R.sup.7 is a hydrogen group or a lower alkyl group) or a group of the formula R.sup.8 O-- (wherein R.sup.8 is a lower alkyl group), R.sup.2 is R.sup.8, a cycloalkyl group, a phenyl group or an aralkyl group.), or R.sup.2 and R.sup.7 together form an alkylene group, R.sup.3 is a hydrogen atom, a lower alkyl group, a phenyl group or an aralkyl group, or R.sup.3 and R.sup.7 together form an alkylene group, or R.sup.2 and R.sup.3 together form an alkylene group, R.sup.4 is a lower alkyl group, R.sup.5 is a substituted silyl group, and R.sup.6 is a hydrogen atom or R.sup.5, are disclosed. These compounds are useful as intermediates for the synthesis of antibacterial agents.
-
公开(公告)号:US4672109A
公开(公告)日:1987-06-09
申请号:US720383
申请日:1985-04-05
申请人: Yoshiaki Watanabe , Shigeo Morimoto , Masami Goi , Morihiro Mitsukuchi , Takashi Adachi , Jozi Nakagami , Toshifumi Asaka , Tadashi Eguchi , Kaoru Sota
发明人: Yoshiaki Watanabe , Shigeo Morimoto , Masami Goi , Morihiro Mitsukuchi , Takashi Adachi , Jozi Nakagami , Toshifumi Asaka , Tadashi Eguchi , Kaoru Sota
IPC分类号: C07H17/08
CPC分类号: C07H17/08
摘要: A method for the selective methylation of a hydroxy group at the 6-position of an erythromycin A derivative which comprises converting an erythromycin A derivative into an erythromycin A 9-oxime derivative, and reacting the resulting ethythromycin A 9-oxime derivative with an methylating agent.
摘要翻译: 一种在红霉素A衍生物的6位上羟基选择性甲基化的方法,其包括将红霉素A衍生物转化为红霉素A9-肟衍生物,并使得到的乙酸霉素A9-肟衍生物与甲基化试剂 。
-
公开(公告)号:US5602239A
公开(公告)日:1997-02-11
申请号:US491860
申请日:1995-07-13
IPC分类号: C07H17/08
CPC分类号: C07H17/08
摘要: A novel macloride antibiotic having a potent antibacterial activity, represented by the formula: ##STR1## which is obtained by introducing a specific aryloxy or alkoxy group into the 3-position of a 5-O-desosaminylerythronolide derivative; or phamaceutically acceptable acid addition salts thereof.
摘要翻译: PCT No.PCT / JP94 / 00087 Sec。 371日期1995年7月13日 102(e)日期1995年7月13日PCT 1994年1月24日PCT公布。 公开号WO94 / 17088 日期1994年8月4日一种具有强效抗菌活性的新型macloride抗生素,由下式表示:通过将特定的芳氧基或烷氧基引入到5-O-去甲氨基戊三醇内酯衍生物的3-位而获得; 或其药学上可接受的酸加成盐。
-
-
-
-
-
-
-
-
-