Method for preparing indazolone derivatives
阅读：869发布：2022-11-29
专利汇可以提供Method for preparing indazolone derivatives专利检索，专利查询，专利分析的服务。并且Preparation of indazolone compounds and derivatives thereof by reacting selected azobenzene or azoxybenzene compounds with carbon monoxide in the presence of a metal halide-Lewis base catalyst complex.，下面是Method for preparing indazolone derivatives专利的具体信息内容。
1. A METHOD FOR PREPARING AN INDAZOLONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-PHENYLINDAZOLONE, BENZOLYLENE INDAZOLONE AND SUBSTITUTED DERIVATIVES THEREOF WHICH COMPRISES REACTING A. AN AZO OR AZOXY COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF:
1. R - N = N - R'', AND
1. A method for preparing an indazolone compound selected from the group consisting of 2-phenylindazolone, benzolylene indazolone and substituted derivatives thereof which comprises reacting A. an azo or azoxy compound having a formula selected from the group consisting of:
1. R - N N - R'', and
2. R-N(=O)=N-R''
2. The method of claim 1 wherein said halide or pseudo halide is selected from the group consisting of chloride, bromide, iodide, fluoride, NCS , SCN , CN , NCO and OCN .
3. The method of claim 2 wherein said alkyl group contains from 1 to 4 carbon atoms, said aryl group contains 6 to 8 carbon atoms, said aralkyl and alkylaryl contains from 6 to 14 carbon atoms and said alkoxy and alkylthio contains from 1 to 4 carbon atoms.
4. The method of claim 3 wherein the proportion of said catalyst is between about 0.01 and about 500 percent by weight of said azo or azoxy compound.
5. The method of claim 4 wherein X is a halide selected from the group consisting of chloride, bromide and iodide.
6. The method of claim 3 wherein said elevated temperature is in the range of between about 50* and about 400*C. said elevated pressure is in the range of between about 30 and about 15,000 psig. and the proportion of carbon monoxide is in the range of between about 1 and about 50 moles of carbon monoxide per nitrogen atom in the azo or azoxy compound.
7. The method of claim 6 wherein said azo or azoxy compound is selected from the group consisting of azobenzene and azoxybenzene.
8. The method of claim 7 wherein the proportion of said catalyst is between about 0.01 and about 500 percent by weight of said azo or azoxy compound.
9. The method of claim 8 wherein X is a halide selected from the group consisting of chloride, bromide and iodide.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种制备2,4,5‑三氟苯乙酸的新方法 | 2020-08-14 | 1 |
| 八氢环戊并[C]吡咯衍生物及其盐的制备方法 | 2020-10-03 | 4 |
| 一种含双偶氮苯的光敏性接枝聚合物的制备方法 | 2021-01-13 | 5 |
| 一种替代QT500汽车连杆的铝合金材料及挤压铸造成型方法 | 2020-09-09 | 4 |
| 一种制备4-炔基氮杂环丁-2-酮的方法 | 2021-05-17 | 5 |
| 茂金属和由其衍生的催化剂组合物 | 2020-10-01 | 4 |
| High activity olefin polymerization catalyst and process | 2021-08-28 | 5 |
| Cationically curable compositions containing triarylcyclopropenylium salts | 2021-10-19 | 5 |
| Polysiloxazanes, silicon oxynitride fibers and processes for producing same | 2022-04-19 | 5 |
| Compound for chemical vapor deposition and its production | 2021-12-07 | 4 |
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。
路易斯碱热门专利
-
5 聚烯烃
QQ群二维码
意见反馈
意见反馈