Antibiotic derivatives of streptomycin
阅读：877发布：2022-10-25
专利汇可以提供Antibiotic derivatives of streptomycin专利检索，专利查询，专利分析的服务。并且，下面是Antibiotic derivatives of streptomycin专利的具体信息内容。
1. PROCESS FOR PRODUCING ANTIBIOTIC AGENTS, WHICH RETAIN THEIR ANTIBIOTIC ACTIVITY IN THE PRESENCE OF CYSTEINE AND HAVE THE FUNDAMENTAL CHEMICAL STRUCTURE OF STREPTOMYCIN EXCEPT THAT THE STREPTOSE CARBONYL GROUP IS REPLACED BY AN AMINOMETHYLENE GROUP, THAT COMPRISES TREATING A MATERICAL CHOSEN FORM THE GROUP CONSISTING OF STREPTOMYCIN AND ITS SALTS, WITH A COMPOUND CHOSEN FROM THE GROUP CONSISTING OF HYDROXYL AMINE AND ARYL HYDRAZINES, WHEREBY THE OXYGEN ATOM OF THE CARBONYL GROUP IS REPLACED WITH A SUBSTITUTED NITROGEN ATOM CONNECTED BY A DOUBLE VALENCE BOND TO THE CARBON ATOM; CATALYTICALLY HYDROGENATING THIS SUBSTANCE TO CONVERT THE SAID SUBSTITUTED NITROGEN ATOM TO AN AMINO GROUP BY DIRECT REACTION WITH HYDROGEN, IN THE PRESENCE OF A HYDROGENATION CATALYST OF THE RANEY-NICKEL TYPE, WHILE IN A LIQUID SOLVENT MEDIUM AND AT A HYDROGEN ION CONCENTRATION OF APPROXIMATELY PB 7.
2. AN ANTIBIOTIC AGENT, ANTAGONISTIC TO PATHOGENIC MICRO-ORGANISMS, HAVING ANTIBIOTIC ACTIVITY SIMILAR TO THAT CHARACTERISTIC OF STREPTOMYCIN BUT DIFFERING THEREFROM IN RETAINING ITS ACTIVITY IN THE PRESENCE OF CYSTERINE, HAVING THE FUNDAMENTAL CHEMICAL STRUCTURE REPRESENTED BY THE FORMULA:
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种无籽西瓜的催芽方法 | 2020-11-10 | 4 |
| 彩色马蹄莲阳光大棚越冬栽培的方法 | 2020-12-18 | 4 |
| 一种大鼠肺微血管内皮细胞的分离培养与鉴定方法 | 2021-03-19 | 6 |
| 一种维持鱼类肠细胞增殖分化的原代培养方法 | 2021-10-10 | 4 |
| 一种厌氧发酵玉米秸秆生产木聚糖酶的方法 | 2020-06-13 | 6 |
| ORF7缺陷型水痘病毒、含有该病毒的疫苗及应用 | 2021-02-07 | 5 |
| 一种李子的种植方法 | 2021-03-05 | 6 |
| 半人工养殖小菜蛾饲料及其制备方法 | 2022-01-21 | 5 |
| 一种二元组合物及其应用 | 2021-03-27 | 0 |
| 从乳汁中分离和培养奶牛乳腺上皮细胞的方法及专用培养基 | 2021-05-28 | 3 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
QQ群二维码
意见反馈
意见反馈