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CAS号41038-40-8 1-(2,5-二甲氧基苯基)乙醇 | CAS号108-24-7 乙酸酐 | CAS号150-78-7 对苯二甲醚 | CAS号75-36-5 乙酰氯 | CAS号1204-21-3 2-溴-2',5'-二甲氧基苯乙酮 | CAS号64-19-7 冰醋酸 | CAS号75-16-1 甲基溴化镁 | CAS号93-02-7 2,5-二甲氧基苯甲醛 | CAS号2785-98-0 2,5-二甲氧基苯甲酸 | CAS号75-05-8 乙腈 | CAS号490-78-8 2',5'-二羟基苯乙酮 | CAS号705-15-7 2'-羟基-5'-甲氧基苯乙酮 | CAS号490-79-9 2,5-二羟基苯甲酸 | CAS号41038-40-8 1-(2,5-二甲氧基苯基)乙醇 | CAS号142472-12-6 1-(2,5-dimethox... | CAS号22004-32-6 1-(4-Ethyl-2,5-... | CAS号22944-08-7 BENZENE, 2-ETHY... | CAS号27257-06-3 ACETIC ACID 2,5... | CAS号3117-03-1 2,5-二甲氧基-1,4-苯醌 | CAS号18113-18-3 2,5-二甲氧基苯酚1-(2,5-二甲氧基苯基)乙醇置于三氧化铬体系中,化学反应生成2,5-二甲氧基苯乙酮
参考文献:13C NMR 研究:第三部分.取代苯乙酮的碳 13 核磁共振谱
标题:13C NMR 研究:第三部分.取代苯乙酮的碳 13 核磁共振谱
摘要:已经检查了 55 种取代苯乙酮的 15.1 Mc/s 13C NMR 光谱,并确定了各种碳核的化学位移.该系列包括各种单一替代品...
Doi:10.1139/v65-064
海关参考信息
- 2902600000-乙苯
2905110000-甲醇
2912110000-甲醛
2912120000-乙醛 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
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专利信息
专利号:US-7094928-B2
优先权日:2002-08-21
标题 :Process for the synthesis of (±) 2-Amino-N-[2,(2,5-dimethoxy phenyl)-2-hydroxyethyl] acetamide monohydrochloride
发明人:SUBRAMANIAN RAJARAM SANKARA; SATAGOPAN VENKATANATHAN; SRINIVASAN RAJAGOPALAN
权利人:SANMAR SPECIALTY CHEMICALS LTD
摘要:This invention relates to an improved process for synthesizing (±)-2-Amino-N-[2-(2,5-dimethoxyphenyl]-2-hydroxyethyl acetamide monohydrochloride in good yield and in a cost effective manner from 1-(2,5-dimethoxyphenyl)-2-bromoethanone by reacting the same with hexamine in the presence of novel solvent system comprising Tetrahydrofuran and water. The resulting aminoethanone is acylated with haloacetylchloride and sodium acetate in acetone-water solvent system. This product is reduced selectively first with sodium borohydride and subsequently with stannous chloride. This product is converted in situ to the corresponding hydrochloride salt immediately after reduction on its own.
专利号:US-2004198836-A1
优先权日:2002-08-21
标 题:Process for the synthesis of (+) 2-amino-n-{2, (2,5-dimethoxy phenyl)-2-hydroxyethyl} acetamide monohydrochloride
专利号:CN-111018708-B
优先权日:2019-11-22
标 题 :Synthesis method of difluoroalkyl substituted aromatic ketone compound under photocatalysis
专利号:US-2011306775-A1
优先权日:2010-06-10
标 题 :Synthesis and biological evaluation of 2',5'-dimethoxychalcone derivatives as microtubule-targeted anticancer agents